CN114009321A

CN114009321A - Agricultural condition monitoring system

Info

Publication number: CN114009321A
Application number: CN202111470524.3A
Authority: CN
Inventors: 陈晨; 宗原; 苏晨
Original assignee: Hohai University Design Institute Co ltd
Current assignee: Hohai University Design Institute Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-02-08
Anticipated expiration: 2041-12-03
Also published as: CN114009321B

Abstract

The utility model relates to an agricultural condition monitoring system belongs to the field of agricultural condition monitoring technology, and it includes soil moisture sensor, host computer and water supply installation, and soil moisture sensor is used for monitoring the humidity of soil and gives the host computer with information transmission, and the host computer is used for receiving soil moisture sensor information and demonstrates with numerical value, and when the numerical value of soil moisture sensor feedback was less than the setting value, host computer control water supply installation irrigated the field. The method and the device have the effect of improving the timely processing speed and efficiency of the agricultural condition.

Description

Agricultural condition monitoring system

Technical Field

The application relates to the field of agricultural condition monitoring technology, in particular to an agricultural condition monitoring system.

Background

The soil humidity is also called soil moisture content, and the physical quantity which represents the dryness and wetness degree of the soil is a relative variable of the soil moisture content.

Soil humidity is concerned about survival and health of crops and is important agricultural condition information, a conventional soil humidity acquisition means is generally observed on the spot according to planting experience or is used for measuring by a gravimetric method, a soil sample is taken and dried, the dry soil weight and the water content weight of the soil sample are weighed for calculation, and the methods have a certain time gap and cannot be fed back in time, so that the agricultural condition processing speed is easily influenced.

Disclosure of Invention

In order to improve the problem that agricultural condition processing speed receives the influence, this application provides an agricultural condition monitoring system.

The application provides an agricultural condition monitoring system adopts following technical scheme:

the utility model provides an agricultural condition monitoring system, includes soil moisture sensor, host computer and water supply installation, soil moisture sensor is used for monitoring the humidity of soil and gives the host computer with information transmission, the host computer is used for receiving soil moisture sensor information and shows with numerical value, and when the numerical value of soil moisture sensor feedback was less than the setting value, host computer control water supply installation irrigates the field.

By adopting the technical scheme, the soil humidity sensor is utilized to monitor the soil humidity in real time, and irrigation is carried out on the soil according to the feedback information, so that the speed and the efficiency for timely processing the agricultural conditions are improved.

Optionally, water supply installation includes first water pipe, water tank and water pump, first water pipe is equipped with a plurality of and all buries underground in the soil body, each all be equipped with a plurality of drainage spare of arranging along its length direction on the first water pipe, each first water pipe is established ties through the second water pipe, the second water pipe links to each other with the water tank, install first solenoid valve on the second water pipe, the end of intaking of water pump passes through the inlet tube and is connected with the water tank, and the play water end passes through outlet pipe and second water piping connection, install the second solenoid valve on the outlet pipe.

By adopting the technical scheme, the first electromagnetic valve is closed, the second electromagnetic valve is opened, the water pump is started, water in the water tank is pumped into the second water pipe and then is divided into the first water pipes by the second water pipe, and the water in the first water pipes overflows into a soil body through the water filtering components, so that the crops are irrigated; when the rainfall weather, the first electromagnetic valve is opened, the second electromagnetic valve is opened, partial rainwater in the soil body permeates into the first water pipe after being filtered by the water filtering part, and water in the first water pipe is converged into the second water pipe and is guided into the water tank by the second water pipe.

Optionally, the water filtering component includes infiltration pipe and end cover, infiltration pipe vertical fixation is on first water pipe, end cover threaded connection is in the infiltration pipe one end of keeping away from first water pipe, a plurality of holes of permeating water have been seted up on the end cover, be equipped with the filter screen piece that is used for blocking the hole of permeating water in the end cover.

By adopting the technical scheme, the water permeable holes are used for water flow to enter and exit, and the filter mesh sheets filter impurities such as particulate matters and the like contained in the water flow; the end cover and the first water pipe adopt a threaded connection mode, so that the filter mesh is convenient to replace and clean.

Optionally, a water collecting hopper is arranged on the end cover, and through holes corresponding to the water permeable holes are formed in the water collecting hopper.

Through adopting above-mentioned technical scheme, the collecting hopper has increased the scope that can collect of rainwater.

Optionally, a sponge block is arranged on the water collecting hopper.

By adopting the technical scheme, the sponge block plays the roles of storing water and delaying the flow speed, and the possibility of adverse effect on the root system of crops around due to too fast water flow is reduced.

Optionally, one end of the first water pipe is in threaded connection with a sealing cover, the other end of the first water pipe is fixed with the second water pipe through a flange, a flushing pipe is arranged in the first water pipe, a plurality of nozzles distributed along the length direction of the flushing pipe are arranged at the bottom of the flushing pipe, a pipe joint is arranged at one end of the flushing pipe away from the sealing tank, the pipe joint is in threaded connection with a first branch pipe, a through groove for the first branch pipe to penetrate out is formed in the first water pipe, the first branch pipes are connected in series one by one through second branch pipes, the second branch pipes are connected with a water outlet pipe, a third electromagnetic valve is arranged on the second branch pipes, a sealing assembly for sealing the through groove is arranged on the first water pipe, a partition plate is arranged in the water tank and divides the internal area of the water tank into a water storage area and a silt area, a plurality of water filtering holes are formed in the side wall of the partition plate, and geotechnical cloth is arranged in each water filtering hole, the water outlet end of the second water pipe is connected with a first guide pipe and a second guide pipe, the first guide pipe corresponds to the water storage area, a fourth electromagnetic valve is installed on the first guide pipe, the second guide pipe corresponds to the sediment area, and a fifth electromagnetic valve is installed on the second guide pipe.

By adopting the technical scheme, the second electromagnetic valve and the fourth electromagnetic valve are closed, the first electromagnetic valve, the third electromagnetic valve and the fifth electromagnetic valve are opened, the water pump is started to pump water in the water tank into the flushing pipe, each spray head sprays water flow to flush silt deposited at the bottom of the first water pipe to the second water pipe, and the silt is converged into the water tank through the second guide pipe, so that the water flow in the first water pipe and the second water pipe is ensured; the first conduit and the second conduit separate rainwater from muddy water, so that the cleanness of water is ensured; the water storage area is communicated with the sediment area through the water filtering holes, and the sediment area can be normally used after water filtered by the geotextile, so that the available water amount in the water tank is ensured.

Optionally, the sealing assembly includes an elastic rubber ring and a threaded sleeve, the elastic rubber ring is in a shape of a truncated cone and coaxially penetrates through the first branch pipe, one end of the elastic rubber ring with a smaller diameter is inserted into the through groove, and the threaded sleeve is in threaded connection with the first branch pipe and tightly abuts against the elastic rubber ring.

Through adopting above-mentioned technical scheme, the elastic rubber circle produces the extrusion with leading to inslot wall and first branch pipe outer wall under the thrust of swivel nut to the realization is to leading to the sealed of groove.

Optionally, the inner wall of the elastic rubber ring is integrally formed with a convex edge, and the side wall of the first branch pipe is provided with a sinking groove matched with the convex edge.

Through adopting above-mentioned technical scheme, the path between elastic rubber circle and first branch pipe has been extended in the cooperation of bead and heavy groove, does benefit to reinforcing sealed effect between the two.

Optionally, the first branch pipe is coaxially provided with a top block, the top block is provided with an annular groove for inserting the elastic rubber ring, and the inner wall of the annular groove is matched with the outer circular surface of the elastic rubber ring.

Through adopting above-mentioned technical scheme, when the elastic rubber circle received the swivel nut extrusion lapse, the annular inner wall played the effect of restrainting to the elastic rubber circle for the elastic rubber circle is pasted tightly with first pillar, has guaranteed sealing performance between the two.

Optionally, the inner wall of the sealing cover is provided with a positioning ring for inserting the end part of the flushing pipe, the positioning ring and the first water pipe are coaxially distributed, a limiting ring is arranged on the first branch pipe in a penetrating mode, the limiting ring is located above the elastic rubber ring, a limiting screw is abutted to the limiting ring through threads, two symmetrically distributed supporting rods are fixed on the side wall of the limiting ring, one end, far away from the limiting ring, of each supporting rod is connected with the first water pipe through an adjusting screw, a nut is connected to the adjusting screw through threads, and the nut is abutted to the bottom surface of each supporting rod.

Through adopting above-mentioned technical scheme, spacing ring and branch are fixed with the relative position of first branch pipe and first water pipe, and the cooperation holding ring makes the flushing pipe keep lieing in the position placed in the middle in first water pipe, has both reduced the shower nozzle and has been hidden the possibility by first water pipe inner wall, has improved the stability when elastic rubber circle is sealed again.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the soil humidity sensor is used for monitoring the soil humidity in real time, and the soil is irrigated according to the feedback information, so that the speed and the efficiency of timely processing the agricultural conditions are improved;

2. the washing effect of the washing pipe on the sediment ensures the water flow in the first water pipe and the second water pipe; the first water pipe adopts a three-layer sealing structure at the position of the through groove, so that the sealing effect is improved.

Drawings

Fig. 1 is a flow chart of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a water supply device according to an embodiment of the present application.

Fig. 3 is a schematic diagram for embodying the internal structure of a water tank according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram for embodying the flush tube in the embodiment of the present application.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is an enlarged view at B in fig. 4.

Fig. 7 is a schematic structural diagram for embodying the elastic rubber ring and the strut in the embodiment of the present application.

Fig. 8 is a schematic structural diagram for embodying ribs and sinks in the embodiment of the present application.

Description of reference numerals: 1. a host; 11. a soil humidity sensor; 12. a temperature, humidity and air pressure sensor; 13. a photosynthetically active radiation sensor; 14. a display screen; 2. a water supply device; 21. a first water pipe; 22. a water tank; 23. a water pump; 231. a water inlet pipe; 232. a water outlet pipe; 2321. a second solenoid valve; 24. a second water pipe; 241. a first solenoid valve; 25. a water seepage pipe; 26. an end cap; 261. water permeable holes; 27. a filter mesh sheet; 28. a water collecting hopper; 281. a through hole; 282. a sponge block; 31. a flush tube; 311. a spray head; 32. a pipe joint; 33. a first branch pipe; 34. a through groove; 35. a second branch pipe; 351. a third electromagnetic valve; 36. a partition plate; 361. a water storage area; 362. a silt region; 37. water filtering holes; 371. geotextile; 38. a first conduit; 381. a fourth solenoid valve; 39. a second conduit; 391. a fifth solenoid valve; 41. an elastic rubber ring; 411. a rib; 42. a threaded sleeve; 43. sinking a groove; 44. a top block; 441. a ring groove; 5. a sealing cover; 51. a positioning ring; 52. a limiting ring; 521. a limit screw; 53. a strut; 54. an adjusting screw; 541. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses an agricultural condition monitoring system. As shown in fig. 1, the agricultural condition monitoring system includes a soil humidity sensor 11, a temperature and humidity pressure sensor 12, a photosynthetically active radiation sensor 13, a host 1 and a water supply device 2, wherein the soil humidity sensor 11 is used for monitoring the humidity of soil and sending information to the host 1, the temperature and humidity pressure sensor 12 is used for monitoring the air temperature, humidity and atmospheric pressure and sending information to the host 1, the photosynthetically active radiation sensor 13 is used for monitoring the illumination intensity and sending information to the host 1, the host 1 is used for receiving the information of the soil humidity sensor 11, the temperature and humidity pressure sensor 12 and the photosynthetically active radiation sensor 13 and displaying the three types of information on a display screen 14 of the host 1 respectively in numerical values, and when the numerical value fed back by the soil humidity sensor 11 is lower than a set value, the host 1 controls the water supply device 2 to irrigate.

As shown in fig. 2 and 3, the water supply device 2 includes a water pump 23, and a first water pipe 21, a second water pipe 24 and a water tank 22 buried in the soil, a partition 36 is vertically disposed at the bottom of the water tank 22, the partition 36 divides the internal area of the water tank 22 into a water storage area 361 and a silt area 362, a plurality of water filtering holes 37 arranged along the height direction of the partition 36 are disposed on the side wall of the partition 36, and geotextile 371 is disposed in each water filtering hole 37. The first water pipes 21 are provided with a plurality of parallel distribution, one end of each first water pipe 21 is connected with a sealing cover 5 in a threaded manner, the other end of each first water pipe 21 is fixed with a second water pipe 24 through a flange, the second water pipe 24 sequentially leads each first water pipe 21 in series, one end of each second water pipe 24 is closed, the other end of each second water pipe 24 penetrates into the water tank 22, a first electromagnetic valve 241 is installed at a position close to the water tank 22, and the first electromagnetic valve 241 is positioned outside the water tank 22; one end of the second water pipe 24 penetrating into the water tank 22 is connected with a first conduit 38 and a second conduit 39, the first conduit 38 corresponds to the water storage area 361, the first conduit 38 is provided with a fourth electromagnetic valve 381, the second conduit 39 corresponds to the silt area 362, and the second conduit 39 is provided with a fifth electromagnetic valve 391. The water inlet end of the water pump 23 is connected with the water tank 22 through the water inlet pipe 231 and corresponds to the water storage area 361, the water outlet end of the water pump 23 is connected with the second water pipe 24 through the water outlet pipe 232, the connection point of the water outlet pipe 232 and the second water pipe 24 is located at the middle position close to the length of the water outlet pipe 232, and the water outlet pipe 232 is provided with a second electromagnetic valve 2321.

As shown in fig. 4 and 5, each first water pipe 21 is provided with a plurality of water filtering components arranged along the length direction at equal intervals, each water filtering component includes a water seepage pipe 25 vertically fixed on the first water pipe 21, one end of the water seepage pipe 25 far away from the first water pipe 21 is connected with an end cover 26 by screw threads, a filter mesh 27 is arranged in the end cover 26, the filter mesh 27 covers the pipe orifice of the water seepage pipe 25 and is pressed and fixed by the end cover 26, the end cover 26 is provided with a plurality of water permeating holes 261 corresponding to the filter mesh 27, the end cover 26 is provided with a water collecting hopper 28, the cross section of the water collecting hopper 28 is arc-shaped, the water collecting hopper 28 is provided with through holes 281 corresponding to the water permeating holes 261 one to one, and the water collecting hopper 28 is provided with sponge blocks 282 covering the through holes 281.

When host 1 signals and irrigates, first solenoid valve 241 closes, second solenoid valve 2321 opens, water pump 23 starts, water in the water tank 22 is through outlet pipe 232, inlet tube 231 carries to second water pipe 24 in proper order, shunt each first water pipe 21 by second water pipe 24 again, then through infiltration pipe 25, filter screen piece 27, permeate water hole 261 and through-hole 281 flow in the sponge piece 282, at last from the sponge piece infiltration 282 around the soil body, reached the agricultural condition reaction in time, handle quick effect. When the rainwater enters the rainfall, part of rainwater in the soil body permeates into the sponge block 282, the rainwater enters the sponge block 282 through the through hole 281 and the water permeable hole 261 downwards after being filtered, the filter mesh sheet 27 intercepts and filters particulate matters contained in the rainwater, the filtered rainwater flows into the first water pipes 21, the rainwater in each first water pipe 21 flows into the second water pipe 24, and the rainwater flows into the water tank 22 through the first conduit 38 to be stored as a watering source, so that the utilization rate of rainwater resources is improved.

As shown in fig. 4, 6 and 7, the inner wall of the sealing cover 5 is provided with a positioning ring 51 coaxially distributed with the first water pipe 21, a flushing pipe 31 is arranged in the first water pipe 21, one end of the flushing pipe 31 is closed and inserted into the positioning ring 51, the other end of the flushing pipe 31 is close to the flange and is connected with a pipe joint 32, the pipe joint 32 is a right angle, one end of the pipe joint 32 far away from the flushing pipe 31 is in threaded connection with a first branch pipe 33, the first branch pipe 33 upwards penetrates through the first water pipe 21, a limiting ring 52 penetrates through the penetrating end of the first branch pipe, a limiting screw 521 is in threaded connection with the limiting ring 52, the limiting screw 521 is perpendicular to the first branch pipe 33 and abuts against the first branch pipe 33, and the limiting ring 52 is fixed. Two supporting rods 53 which are symmetrically distributed about the first branch pipe 33 are fixed on the outer circumferential wall of the limiting ring 52, the supporting rods 53 are parallel to the first branch pipe 33, a gap exists between one end, far away from the limiting ring 52, of each supporting rod 53 and the first water pipe 21, the end portion of each supporting rod 53 is connected with the first water pipe 21 through an adjusting screw 54, a nut 541 is connected to each adjusting screw 54 in a threaded mode, the nut 541 is abutted against the lower end of each supporting rod 53, the supporting rods 53 are fixed on the first water pipe 21, therefore, the relative positions of the first branch pipe 33 and the first water pipe 21 are fixed, the position of the flushing pipe 31 is kept to be coaxially distributed with the first water pipe 21, a plurality of spray heads 311 which are arranged along the length direction of the flushing pipe 31 are arranged on the flushing pipe 31, each spray head 311 faces the bottom of the first water pipe 21 and inclines along the direction far away from the positioning ring 51, and a gap exists between each spray head 311 and the bottom of the first water pipe 21. During actual installation, an operator can adjust the position of the flushing pipe 31 and then move the limiting ring 52 to fix the first branch pipe 33.

The first branch pipes 33 are connected in series one by one through the second branch pipes 35, the first branch pipes 33 and the second branch pipes 35 can be connected by adopting a T-shaped tap, one end of the second branch pipes 35 is closed, the other end of the second branch pipes is connected with the water outlet pipe 232, the connection point of the two is positioned between the second electromagnetic valve 2321 and the water pump 23, and the second branch pipes 35 are provided with third electromagnetic valves 351.

As shown in fig. 7 and 8, a through groove 34 for the first branch pipe 33 to pass through is formed in the first water pipe 21, the inner diameter of the through groove 34 is larger than the outer diameter of the first branch pipe 33, and a sealing assembly for sealing the through groove 34 is arranged on the first water pipe 21. The sealing assembly comprises an elastic rubber ring 41 and a threaded sleeve 42, the elastic rubber ring 41 is in a cone frustum shape and coaxially penetrates through the first branch pipe 33, an inner hole of the elastic rubber ring 41 and the first branch pipe 33 are in interference fit, the smaller end of the elastic rubber ring 41 is downward inserted into the through groove 34, and a gap between the through groove 34 and the first branch pipe 33 is blocked. An annular rib 411 is integrally formed on the inner wall of the elastic rubber ring 41, the section of the rib 411 is arc-shaped, a sunk groove 43 corresponding to the rib 411 is formed on the outer circumferential wall of the first branch pipe 33, and the rib 411 is inserted into the sunk groove 43. The first branch pipe 33 is coaxially and threadedly connected with a top block 44, the top block 44 is located below the elastic rubber ring 41, an annular groove 441 for inserting the lower end of the elastic rubber ring is formed in the top block 44, and the inner peripheral wall of the annular groove 441 is matched with the outer conical surface of the elastic rubber ring 41, so that the two are tightly attached to each other.

The swivel nut 42 threaded connection is on first branch pipe 33 and is located elasticity rubber circle 41 top, the swivel nut 42 supports tightly with elasticity rubber circle 41 upper end, elasticity rubber circle 41 offsets tightly with logical groove 34 cell wall under the downward clamping force effect of swivel nut 42, elasticity rubber circle 41 receives the extrusion and inwards contracts simultaneously for elasticity rubber circle 41 inner wall closely laminates with first branch pipe 33, in addition, elasticity rubber circle 41 lower extreme receives the extrusion of annular 441 cell wall and holds tightly first branch pipe 33, the sealing performance between each other has been strengthened.

When the first water pipe 21 collects rainwater for a long time and sediment is generated, an operator opens the first electromagnetic valve 241, the third electromagnetic valve 351 and the fifth electromagnetic valve 391, closes the second electromagnetic valve 2321 and the fourth electromagnetic valve 381, starts the water pump 23, pumps water in the water tank 22 to the second branch pipe 35, divides the water in the second branch pipe 35 into the corresponding flushing pipes 31 through the second branch pipes 35, sprays water from the spray nozzles 311 to flush the sediment at the bottom of the first water pipe 21, flows muddy water to the second water pipe 24 under the action of the water flows, flows into the sediment area 362 of the water tank 22 through the second guide pipe 39 to be precipitated and filtered, so that the flow rate of the pipeline is ensured, the service life of the pipeline system is prolonged, the utilization rate of the whole water circulation is improved, and the precipitated sediment can be treated regularly in a pumping and sucking manner.

The implementation principle of the embodiment of the application is as follows: when raining water is stored, the first electromagnetic valve 241 and the fourth electromagnetic valve 381 are opened, the second electromagnetic valve 2321, the third electromagnetic valve 351 and the fifth electromagnetic valve 391 are closed, and rainwater in a soil body flows into the water storage area 361 of the water tank 22 through the first water pipe 21, the second water pipe 24 and the first conduit 38 after being filtered.

During irrigation, the third solenoid valve 351 and the fifth solenoid valve 391 are closed, the first solenoid valve 241, the second solenoid valve 2321 and the fourth solenoid valve 381 are opened, water in the water tank 22 is pumped into the first water pipe 21 through the first conduit 38 and the second water pipe 24, and then flows to soil bodies through the water seepage pipes 25 to irrigate surrounding crops.

During flushing, the second electromagnetic valve 2321 and the fourth electromagnetic valve 381 are closed, the first electromagnetic valve 241, the third electromagnetic valve 351 and the fifth electromagnetic valve 391 are opened, water in the water tank 22 is pumped into the flushing pipe 31 through the first conduit 38, the second branch pipe 35 and the first branch pipe 33, each spray head 311 sprays water flow to flush silt in the first water pipe 21, and the silt water flows into the silt region 362 of the water tank 22 along the first water pipe 21, the second water pipe 24 and the second conduit 39. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An agricultural condition monitoring system, its characterized in that: including soil moisture sensor (11), host computer (1) and water supply installation (2), soil moisture sensor (11) are used for monitoring the humidity of soil and give host computer (1) with information transmission, host computer (1) are used for receiving soil moisture sensor (11) information and show with numerical value, and when the numerical value of soil moisture sensor (11) feedback was less than the setting value, host computer (1) control water supply installation (2) irrigated the field.

2. The agricultural condition monitoring system of claim 1, wherein: water supply installation (2) include first water pipe (21), water tank (22) and water pump (23), first water pipe (21) are equipped with a plurality of and all bury underground in the soil body, each all be equipped with a plurality of drainage parts of arranging along its length direction on first water pipe (21), each first water pipe (21) are established ties through second water pipe (24), second water pipe (24) link to each other with water tank (22), install first solenoid valve (241) on second water pipe (24), the end of intaking of water pump (23) is connected with water tank (22) through inlet tube (231), and the end of going out water is connected with second water pipe (24) through outlet pipe (232), install second solenoid valve (2321) on outlet pipe (232).

3. The agricultural condition monitoring system of claim 2, wherein: the water filtering part comprises a water seepage pipe (25) and an end cover (26), the water seepage pipe (25) is vertically fixed on a first water pipe (21), the end cover (26) is in threaded connection with one end of the water seepage pipe (25) far away from the first water pipe (21), a plurality of water permeable holes (261) are formed in the end cover (26), and a filter screen (27) used for blocking the water permeable holes (261) is arranged in the end cover (26).

4. The agricultural condition monitoring system of claim 3, wherein: the end cover (26) is provided with a water collecting hopper (28), and the water collecting hopper (28) is provided with through holes (281) corresponding to the water permeable holes (261).

5. The agricultural condition monitoring system of claim 4, wherein: a sponge block (282) is arranged on the water collecting hopper (28).

6. The agricultural condition monitoring system of claim 2, wherein: one end of the first water pipe (21) is in threaded connection with a sealing cover (5), the other end of the first water pipe is fixed with the second water pipe (24) through a flange, a flushing pipe (31) is arranged in the first water pipe (21), a plurality of spray heads (311) distributed along the length direction of the flushing pipe (31) are arranged at the bottom of the flushing pipe (31), a pipe joint (32) is arranged at one end, away from the sealing tank, of the flushing pipe (31), the pipe joint (32) is in threaded connection with a first branch pipe (33), a through groove (34) for the first branch pipe (33) to penetrate out is formed in the first water pipe (21), the first branch pipe (33) is connected in series one by one through a second branch pipe (35), the second branch pipe (35) is connected with a water outlet pipe (232), a third electromagnetic valve (351) is arranged on the second branch pipe (35), and a sealing assembly for sealing the through groove (34) is arranged on the first water pipe (21), be equipped with baffle (36) in water tank (22), baffle (36) are divided water tank (22) inner region for water storage district (361) and silt region (362), a plurality of water filtering holes (37) have been seted up to baffle (36) lateral wall, each all be equipped with geotechnological cloth (371) in water filtering hole (37), second water pipe (24) play water end is connected with first pipe (38) and second pipe (39), first pipe (38) correspond with water storage district (361), and install fourth solenoid valve (381) on first pipe (38), second pipe (39) correspond with silt region (362), and install fifth solenoid valve (391) on second pipe (39).

7. The agricultural condition monitoring system of claim 6, wherein: the sealing assembly comprises an elastic rubber ring (41) and a threaded sleeve (42), the elastic rubber ring (41) is in a cone frustum shape and coaxially penetrates through the first branch pipe (33), one end of the elastic rubber ring (41) with the smaller diameter is inserted into the through groove (34), and the threaded sleeve (42) is in threaded connection with the first branch pipe (33) and tightly abutted to the elastic rubber ring (41).

8. The agricultural condition monitoring system of claim 7, wherein: the inner wall of the elastic rubber ring (41) is integrally formed with a convex rib (411), and the side wall of the first branch pipe (33) is provided with a sink groove (43) matched with the convex rib (411).

9. The agricultural condition monitoring system of claim 6, wherein: the first branch pipe (33) is coaxially provided with a top block (44), the top block (44) is provided with an annular groove (441) for inserting the elastic rubber ring (41), and the inner wall of the annular groove (441) is matched with the outer circular surface of the elastic rubber ring (41).

10. The agricultural condition monitoring system of claim 2, wherein: sealed lid (5) inner wall is equipped with and supplies washing pipe (31) tip male holding ring (51), holding ring (51) and first water pipe (21) coaxial distribution, wear to be equipped with spacing ring (52) on first branch pipe (33), spacing ring (52) are located elastic rubber circle (41) top, and spacing screw (521) of screw thread and first branch pipe (33) butt on spacing ring (52), spacing ring (52) lateral wall is fixed with branch (53) of two symmetric distributions, the one end that spacing ring (52) were kept away from in branch (53) is passed through adjusting screw (54) and is connected with first water pipe (21), threaded connection has nut (541) on adjusting screw (54), nut (541) and branch (53) bottom surface offset.