CN111642488A - Medicine spraying system for automatically spraying pesticide according to soil humidity - Google Patents

Medicine spraying system for automatically spraying pesticide according to soil humidity Download PDF

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Publication number
CN111642488A
CN111642488A CN202010567519.3A CN202010567519A CN111642488A CN 111642488 A CN111642488 A CN 111642488A CN 202010567519 A CN202010567519 A CN 202010567519A CN 111642488 A CN111642488 A CN 111642488A
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China
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pesticide
soil
fixed mounting
integrated chip
box
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CN111642488B (en
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王翠莲
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Xiaoxian Weichen Electromechanical Engineering Equipment Co ltd
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Xiaoxian Weichen Electromechanical Engineering Equipment Co ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0025Mechanical sprayers
    • A01M7/0032Pressure sprayers
    • A01M7/0042Field sprayers, e.g. self-propelled, drawn or tractor-mounted
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0082Undercarriages, frames, mountings, couplings, tanks
    • A01M7/0085Tanks
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089Regulating or controlling systems

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a pesticide spraying system for automatically spraying pesticide according to soil humidity, which comprises a support plate, an outer wheel and a pesticide box, wherein the pesticide box is fixedly arranged on one side of the top end of the support plate, supporting rods are fixedly arranged at four corners of the bottom end of the support plate, the bottom end of each supporting rod is connected with the middle part of the outer wheel, and a connecting shaft is fixedly arranged between the two supporting rods on the same side. According to the pesticide spraying system capable of automatically spraying pesticides according to soil humidity, the soil detection probe is arranged to detect the humidity of a farmland to be sprayed with pesticides so as to match the pesticide concentration, damage to soil quality of the soil due to too high or too low pesticide concentration is avoided, the water level detection probe is arranged to detect the liquid medicine content in the first pesticide box, the second pesticide box and the third pesticide box, and the first valve and the second valve are controlled to enable water to dilute water in different pesticide boxes.

Description

Medicine spraying system for automatically spraying pesticide according to soil humidity
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a pesticide spraying system capable of automatically spraying pesticides according to soil humidity.
Background
In the crop planting process, a pesticide spraying vehicle is needed to spray the crops, but the growth problem of the crops cannot be considered in the pesticide spraying process alone, and the crops need to be sprayed by selecting proper pesticides on the premise of not damaging soil quality.
However, the existing pesticide spraying vehicle only considers the types of pesticides alone and cannot adjust the pesticide according to the dryness of soil, under the condition, the soil is likely to be damaged due to overhigh concentration of the pesticide, so that nutrients in the soil are lost, when the concentration of the pesticide is low, harmful aspects affecting crops cannot be eliminated, particularly, if the soil is excessively dry during pesticide spraying, the soil can absorb a large amount of water to cause overhigh concentration of the local pesticide, and further certain influence is caused on the soil and the crops, and therefore, a pesticide spraying system for automatically spraying the pesticide according to the dryness of the soil is provided.
Disclosure of Invention
The invention mainly aims to provide a pesticide spraying system for automatically spraying pesticides according to soil humidity, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an automatic spout medicine system that sprays insecticide according to soil moisture, includes extension board, foreign steamer and pesticide case, one side fixed mounting on extension board top has the pesticide case, the equal fixed mounting in four corners of extension board bottom has branch, every the bottom of branch all links to each other with the middle part of foreign steamer, is located with two of one side fixed mounting has the connecting axle in the middle of the branch, the inside fixed mounting of foreign steamer has interior wheel, the diameter of interior wheel is greater than the diameter of foreign steamer, the surface mounting of interior wheel has soil detection probe.
Further, the middle part fixed mounting on extension board top has the control cabinet, one side fixed mounting of control cabinet has the steering wheel, the opposite side fixed mounting of control cabinet has the PLC controller, the mounting bracket is still installed to the opposite side of extension board, one side fixed mounting of pesticide box bottom has the alarm, the top of pesticide box is still fixed mounting has the discharge pipe, the mount is installed to one side of extension board, the middle part and the mount contact of discharge pipe are connected.
Furthermore, a water storage box, a first medicine box, a second medicine box and a third medicine box are respectively arranged in the medicine boxes, a water inlet is fixedly arranged at one side of the water storage box, water outlet pipes are respectively and fixedly arranged in the middle parts of the first medicine box, the second medicine box and the third medicine box, a first water suction pump is fixedly arranged at one end of each water outlet pipe, a first valve is fixedly arranged at the joint of the first medicine box and the second medicine box, a second valve is fixedly arranged at the joint of the second medicine box and the third medicine box, the positions of the first valve and the second valve correspond to the positions of the water outlet pipes, a water level detection probe is respectively and fixedly arranged at the top ends of the water outlet pipes of the first medicine box, the second medicine box and the third medicine box, a second water suction pump, a third water suction pump and a fourth water suction pump are respectively and fixedly arranged at the top ends in the first medicine box, the second medicine box and the third medicine, the flowmeter is installed respectively to the bottom of second suction pump, third suction pump and fourth suction pump, every the equal fixed mounting in bottom of flowmeter has the aqueduct, the top fixed mounting of pesticide case has the hybrid chamber, the equal fixed mounting in top of first pesticide case, second pesticide case and third pesticide case has the delivery port.
Furthermore, the both sides on the inside top of outlet pipe are all fixed with the support, two the wash port has all been fixed to the top of support, two the equal fixed mounting of inner wall of support has the spout, two the middle part fixed mounting of support has the baffle, the equal fixed mounting in both sides of baffle has the pulley, the baffle is through pulley and the spout and the support sliding connection that are equipped with, two the limbers has all been fixed to have seted up in the spout, fixed mounting has compression spring between the top of baffle and outlet pipe.
Furthermore, a water level alarm circuit and a soil humidity detection circuit are respectively and fixedly arranged in the PLC.
Further, the water level alarm circuit comprises an integrated chip U1, resistors R1-R3 and capacitors C1-C3, a pin 4 of the integrated chip U1 is respectively connected with a pin 8 of the integrated chip U1 and one end of a resistor R1, the other end of the resistor R1 is respectively connected with a water level detection probe A and a pin 7 of the integrated chip U1, two ends of the resistor R1 are also connected in parallel with a resistor R3, a pin 2 of the integrated chip U1 is respectively connected with a water level detection probe B and a capacitor C3, a pin 6 of the integrated chip U1 is connected with a pin 2 of the integrated chip U1, a pin 5 of the integrated chip U1 is respectively connected with one end of a capacitor C2 and a pin 1 of the integrated chip U1, the other end of the integrated chip C2 is connected with the other end of a capacitor C1, a pin 1 of the integrated chip U1 is connected with one end of a resistor R2, and a pin 3 of the integrated chip U1 is connected with a positive pole C1 of the capacitor C1, the other end of electric capacity C1 is connected with the one end of speaker BL, the other end of speaker BL is connected with resistance R2's the other end and ground wire respectively, the other end of speaker BL is connected with electric capacity C1's one end, electric capacity C1's positive pole is connected with integrated chip U1's No. 3 feet, integrated chip U1's No. 8 feet still are connected with external circuit.
The soil humidity detection circuit comprises a humidity-sensitive sensor, a triode VT1, light-emitting diodes VL1-VL3, diodes VD1, VD2, a slide rheostat Rp1 and the like, wherein two ends of one side of the humidity-sensitive sensor are respectively connected with a soil detection probe, one end of the other side of the humidity-sensitive sensor is respectively connected with one ends of base resistors R1 of the triode VT1, the other end of the resistor R1 is connected with an external circuit, two ends of the resistor R1 are also connected with a resistor R2 in parallel, the other end of the other side of the humidity-sensitive sensor is connected with one end of a slide rheostat Rp1 and a base of the triode VT1, the other end of the slide rheostat Rp1 is respectively connected with a negative electrode of a light-emitting diode VL1, a negative electrode of the light-emitting diode VL2 and a negative electrode of the light-emitting diode VL3, a slide rod of the slide rheostat Rp1 is also connected with one end of the slide rheostat 1, emitters of the triode VT, the negative electrode of the diode VD1 is connected with the positive electrode of the light emitting diode VL2 and the positive electrode of the diode VD2 respectively, and the negative electrode of the diode VD2 is connected with the positive electrode of the triode VL 3.
Further, the top of control cabinet is fixed mounting respectively has first pilot lamp, second pilot lamp and third pilot lamp, first pilot lamp, second pilot lamp and third pilot lamp correspond with emitting diode VL1, VL2 and VL3 respectively, the middle part fixed mounting of control cabinet has switch panel, the bottom fixed mounting of control cabinet has the display screen.
Further, water level probe and soil probe all link to each other with the PLC controller, flush mounting plate and display screen also link to each other with the PLC controller, the PLC controller is still control connection has flowmeter and alarm, the flowmeter is connected with first suction pump, second suction pump, third suction pump and fourth suction pump respectively.
Compared with the prior art, the invention has the following beneficial effects:
1. the soil detection probe can be used for detecting the humidity of a farmland needing to be sprayed with pesticides, so that the concentration of the pesticides can be matched, the problem that the soil quality of the soil is damaged due to overhigh or overlow concentration of the pesticides is solved, when the pesticides are required to be sprayed to the farmland, the pesticide trolley is driven to the surface of the farmland, four outer wheels of the pesticide trolley are in contact with the soil quality at the moment, the radius of an inner wheel is larger than that of the outer wheel, the soil detection probe on the surface of the inner wheel is more prone to being in contact with the deep part of the soil, the soil detector transmits data inside the soil to a PLC (programmable logic controller) and a first indicator lamp, a second indicator lamp and a third indicator lamp through a soil humidity detection circuit at the moment, the humidity of the soil is displayed through the first indicator lamp, the second indicator lamp and the third indicator lamp, and different pesticides can be conveniently matched with the soil;
2. the content of liquid medicine in the first medicine box, the second medicine box and the third medicine box can be detected through the arranged water level detection probe, when the content of the liquid medicine is lower than the water level detection probe, the alarm can give an alarm to remind a user of adding pesticide, when the concentration of the liquid medicine needs to be changed, the first water suction pump can be controlled through the switch panel, the first water suction pump leads the water in the water storage box into the water outlet pipe, the water in different medicine boxes can be controlled to be diluted through controlling the first valve and the second valve, when the water enters the water outlet pipe, the water in the water outlet pipe generates hydraulic pressure on the pipe wall of the water outlet pipe under the action of the first water suction pump, the hydraulic pressure generates pressure on the baffle, the baffle generates pressure on the compression spring and moves upwards, the pulley and the sliding groove move relatively, and therefore the water hole barrel is communicated with the interior of the water outlet pipe, at the moment, the limbers and the water outlets are communicated, water flows out, and liquid medicines in the first medicine box, the second medicine box, the third medicine box and the fourth medicine box are mixed respectively, so that the concentration in the liquid medicines is changed, the liquid medicines in different medicine boxes can be mixed with one another through the arranged water outlets, the soil can be adapted to different conditions better, and crops in the soil can grow better.
Drawings
Fig. 1 is a system block diagram of a pesticide spraying system for automatically spraying a pesticide according to soil moisture according to the present invention.
Fig. 2 is a schematic view showing the overall structure of a spraying system for automatically spraying a pesticide according to the humidity of soil according to the present invention.
Fig. 3 is a schematic view of the internal structure of a pesticide box of a pesticide spraying system for automatically spraying pesticide according to the soil humidity.
Fig. 4 is a schematic view showing the structure of the outer wheel of a spraying system for automatically spraying a pesticide according to the humidity of soil according to the present invention.
Fig. 5 is a schematic structural view of a control console of a spraying system for automatically spraying a pesticide according to soil humidity according to the present invention.
Fig. 6 is a schematic view of the internal structure of a water outlet pipe of a pesticide spraying system for automatically spraying pesticide according to soil humidity.
Fig. 7 is a circuit diagram of a water level alarm circuit of a water outlet pipe of a pesticide spraying system for automatically spraying pesticide according to soil humidity according to the present invention.
Fig. 8 is a circuit diagram of a soil moisture detection circuit of a water outlet pipe of a pesticide spraying system for automatically spraying a pesticide according to soil moisture in accordance with the present invention.
In the figure: 1. a support plate; 2. a mounting frame; 3. a PLC controller; 4. a console; 5. a steering wheel; 6. an alarm; 7. a pesticide box; 8. a fixed mount; 9. a strut; 10. a connecting shaft; 11. an inner wheel; 12. an outer wheel; 13. a medicine discharge pipe; 14. a soil detection probe; 15. a water storage tank; 16. a water inlet; 17. a first water pump; 18. a first medicine box; 19. a second medicine box; 20. a third medicine box; 21. a second water pump; 22. a third water pump; 23. a fourth water pump; 24. a water outlet; 25. a flow meter; 26. a water level detection probe; 27. a water outlet pipe; 28. a first valve; 29. a second valve; 30. a drain hole; 31. a switch panel; 32. a display screen; 33. a first indicator light; 34. a second indicator light; 35. a third indicator light; 36. a chute; 37. a pulley; 38. a water through hole; 39. a baffle plate; 40. compressing the spring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
As shown in fig. 1-8, a pesticide spraying system for automatically spraying pesticides according to soil humidity comprises a support plate 1, an outer wheel 12 and pesticide boxes 7, wherein the pesticide boxes 7 are fixedly installed on one side of the top end of the support plate 1, supporting rods 9 are fixedly installed on four corners of the bottom end of the support plate 1, the bottom end of each supporting rod 9 is connected with the middle of the outer wheel 12, a connecting shaft 10 is fixedly installed between the two supporting rods 9 on the same side, an inner wheel 11 is fixedly installed inside the outer wheel 12, the diameter of the inner wheel 11 is larger than that of the outer wheel 12, and a soil detection probe 14 is installed on the surface of the inner wheel 11.
The middle part fixed mounting on extension board 1 top has control cabinet 4, and one side fixed mounting of control cabinet 4 has steering wheel 5, and the opposite side fixed mounting of control cabinet 4 has PLC controller 3, and mounting bracket 2 is still installed to the opposite side of extension board 1, and one side fixed mounting of 7 bottoms of pesticide boxes has alarm 6, and the top of pesticide boxes 7 is still fixed mounting has discharge pipe 13, and mount 8 is installed to one side of extension board 1, and discharge pipe 13's middle part and mount 8 contact are connected.
A water level alarm circuit and a soil humidity detection circuit are respectively and fixedly arranged in the PLC 3, the water level alarm circuit comprises an integrated chip U1, resistors R1-R3 and capacitors C1-C3, a pin 4 of the integrated chip U1 is respectively connected with a pin 8 of the integrated chip U1 and one end of a resistor R1, the other end of the resistor R1 is respectively connected with a water level detection probe A and a pin 7 of the integrated chip U1, two ends of the resistor R1 are also connected in parallel with a resistor R3, a pin 2 of the integrated chip U1 is respectively connected with a water level detection probe B and a capacitor C3, a pin 6 of the integrated chip U1 is connected with a pin 2 of the integrated chip U1, a pin 5 of the integrated chip U1 is respectively connected with one end of a capacitor C2 and a pin 1 of the integrated chip U1, the other end of the integrated chip C2 is connected with the other end of the capacitor C1, a pin 1 of the integrated chip U1 is connected with one end of the resistor R2, and a positive pole of the integrated chip U1 of the integrated chip U36, the other end of the capacitor C1 is connected with one end of a loudspeaker BL, the other end of the loudspeaker BL is connected with the other end of the resistor R2 and a ground wire respectively, the other end of the loudspeaker BL is connected with one end of a capacitor C1, the positive electrode of the capacitor C1 is connected with a pin No. 3 of an integrated chip U1, and a pin No. 8 of the integrated chip U1 is also connected with an external circuit;
the soil humidity detection circuit comprises a humidity-sensitive sensor, a triode VT1, light-emitting diodes VL1-VL3, diodes VD1, VD2, a sliding rheostat Rp1 and the like, wherein two ends of one side of the humidity-sensitive sensor are respectively connected with a soil detection probe, one end of the other side of the humidity-sensitive sensor is respectively connected with one ends of base resistors R1 of the triode VT1, the other end of the resistor R1 is connected with an external circuit, two ends of the resistor R1 are also connected with a resistor R2 in parallel, the other end of the other side of the humidity-sensitive sensor is connected with one end of the sliding rheostat Rp1 and the base of the triode VT1, the other end of the sliding rheostat Rp1 is respectively connected with the negative electrode of a light-emitting diode VL1, the negative electrode of the light-emitting diode VL2 and the negative electrode of the light-emitting diode VL3, a slide rod of the sliding rheostat Rp1 is also connected with one end of the sliding rheo, the cathode of the diode VD1 is connected with the anode of the light emitting diode VL2 and the anode of the diode VD2 respectively, and the cathode of the diode VD2 is connected with the anode of the triode VL 3.
The top of the console 4 is fixedly provided with a first indicator lamp 33, a second indicator lamp 34 and a third indicator lamp 35 respectively, the first indicator lamp 33, the second indicator lamp 34 and the third indicator lamp 35 correspond to the light emitting diodes VL1, VL2 and VL3 respectively, the middle of the console 4 is fixedly provided with a switch panel 31, and the bottom of the console 4 is fixedly provided with a display screen 32.
By adopting the technical scheme: the soil detection probe 14 can detect the humidity of the farmland to be sprayed with pesticide, so as to match the concentration of the pesticide and avoid the damage to the soil quality caused by overhigh or overlow concentration of the pesticide, when the agricultural chemical needs to be sprayed to the farmland, the agricultural chemical vehicle is driven to the surface of the farmland, at the moment, the four outer wheels 12 of the agricultural chemical vehicle are contacted with soil, since the radius of the inner wheel 11 is larger than that of the outer wheel 12, the soil probe 14 on the surface of the inner wheel 11 is more likely to contact with the deep part of the soil, and the soil probe transmits the data in the soil to the PLC controller 3 and the first indicator light 33, the second indicator light 34 and the third indicator light 35 through the soil moisture detection circuit, and the humidity of soil is displayed through the first indicator light 33, the second indicator light 34 and the third indicator light 35 which are arranged, so that different pesticides can be conveniently prepared for the land.
Example 2
As shown in fig. 1-8, a pesticide spraying system for automatically spraying pesticides according to soil humidity comprises a support plate 1, an outer wheel 12 and pesticide boxes 7, wherein the pesticide boxes 7 are fixedly installed on one side of the top end of the support plate 1, supporting rods 9 are fixedly installed on four corners of the bottom end of the support plate 1, the bottom end of each supporting rod 9 is connected with the middle of the outer wheel 12, a connecting shaft 10 is fixedly installed between the two supporting rods 9 on the same side, an inner wheel 11 is fixedly installed inside the outer wheel 12, the diameter of the inner wheel 11 is larger than that of the outer wheel 12, and a soil detection probe 14 is installed on the surface of the inner wheel 11.
A water storage box 15, a first medicine box 18, a second medicine box 19 and a third medicine box 20 are respectively arranged in the medicine boxes 7, a water inlet 16 is fixedly arranged at one side of the water storage box 15, water outlet pipes 27 are fixedly arranged at the middles of the first medicine box 18, the second medicine box 19 and the third medicine box 20, a first water suction pump 17 is fixedly arranged at one end of each water outlet pipe 27, a first valve 28 is fixedly arranged at the joint of the first medicine box 18 and the second medicine box 19, a second valve 29 is fixedly arranged at the joint of the second medicine box 19 and the third medicine box 20, the positions of the first valve 28 and the second valve 29 correspond to the positions of the water outlet pipes 27, a water level detection probe 26 is fixedly arranged at the top end of each water outlet pipe 27 of the first medicine box 18, the second medicine box 19 and the third medicine box 20, a second water suction pump 21, a third water suction pump 22 and a fourth water suction pump 23 are respectively fixedly arranged at the top ends of the interiors of the first medicine box 18, the, flowmeters 25 are respectively mounted at the bottom ends of the second water suction pump 21, the third water suction pump 22 and the fourth water suction pump 23, a water guide pipe is fixedly mounted at the bottom end of each flowmeter 25, a mixing cavity is fixedly mounted at the top end of the pesticide box 7, and water outlets 24 are fixedly mounted at the top ends of the first pesticide box 18, the second pesticide box 19 and the third pesticide box 20.
The equal fixed mounting in both sides on the inside top of outlet pipe 27 has the support, wash port 30 has all been fixed to have seted up on the top of two supports, the equal fixed mounting in inner wall of two supports has spout 36, the middle part fixed mounting of two supports has baffle 39, the equal fixed mounting in both sides of baffle 39 has pulley 37, baffle 39 is through pulley 37 and spout 36 and the support sliding connection who is equipped with, limbers 38 have all been fixed to have seted up in two 36 inside spouts, fixed mounting has compression spring 40 between the top of baffle 39 and outlet pipe 27.
A water level alarm circuit and a soil humidity detection circuit are respectively and fixedly arranged in the PLC 3, the water level alarm circuit comprises an integrated chip U1, resistors R1-R3 and capacitors C1-C3, a pin 4 of the integrated chip U1 is respectively connected with a pin 8 of the integrated chip U1 and one end of a resistor R1, the other end of the resistor R1 is respectively connected with a water level detection probe A and a pin 7 of the integrated chip U1, two ends of the resistor R1 are also connected in parallel with a resistor R3, a pin 2 of the integrated chip U1 is respectively connected with a water level detection probe B and a capacitor C3, a pin 6 of the integrated chip U1 is connected with a pin 2 of the integrated chip U1, a pin 5 of the integrated chip U1 is respectively connected with one end of a capacitor C2 and a pin 1 of the integrated chip U1, the other end of the integrated chip C2 is connected with the other end of the capacitor C1, a pin 1 of the integrated chip U1 is connected with one end of the resistor R2, and a positive pole of the integrated chip U1 of the integrated chip U36, the other end of the capacitor C1 is connected with one end of a loudspeaker BL, the other end of the loudspeaker BL is connected with the other end of the resistor R2 and a ground wire respectively, the other end of the loudspeaker BL is connected with one end of a capacitor C1, the positive electrode of the capacitor C1 is connected with a pin No. 3 of an integrated chip U1, and a pin No. 8 of the integrated chip U1 is also connected with an external circuit;
the soil humidity detection circuit comprises a humidity-sensitive sensor, a triode VT1, light-emitting diodes VL1-VL3, diodes VD1, VD2, a sliding rheostat Rp1 and the like, wherein two ends of one side of the humidity-sensitive sensor are respectively connected with a soil detection probe, one end of the other side of the humidity-sensitive sensor is respectively connected with one ends of base resistors R1 of the triode VT1, the other end of the resistor R1 is connected with an external circuit, two ends of the resistor R1 are also connected with a resistor R2 in parallel, the other end of the other side of the humidity-sensitive sensor is connected with one end of the sliding rheostat Rp1 and the base of the triode VT1, the other end of the sliding rheostat Rp1 is respectively connected with the negative electrode of a light-emitting diode VL1, the negative electrode of the light-emitting diode VL2 and the negative electrode of the light-emitting diode VL3, a slide rod of the sliding rheostat Rp1 is also connected with one end of the sliding rheo, the cathode of the diode VD1 is connected with the anode of the light emitting diode VL2 and the anode of the diode VD2 respectively, and the cathode of the diode VD2 is connected with the anode of the triode VL 3.
The top of the console 4 is fixedly provided with a first indicator lamp 33, a second indicator lamp 34 and a third indicator lamp 35 respectively, the first indicator lamp 33, the second indicator lamp 34 and the third indicator lamp 35 correspond to the light emitting diodes VL1, VL2 and VL3 respectively, the middle of the console 4 is fixedly provided with a switch panel 31, and the bottom of the console 4 is fixedly provided with a display screen 32.
The water level detection probe 26 and the soil detection probe 14 are both connected with the PLC 3, the switch panel 31 and the display screen 32 are also connected with the PLC 3, the PLC 3 is also in control connection with the flowmeter 25 and the alarm 6, and the flowmeter 25 is respectively connected with the first water suction pump 17, the second water suction pump 21, the third water suction pump 22 and the fourth water suction pump 23.
By adopting the technical scheme: the content of the liquid medicine in the first medicine box 18, the second medicine box 19 and the third medicine box 20 can be detected through the arranged water level detection probe 26, when the content of the liquid medicine is lower than the water level detection probe 26, the alarm 6 gives an alarm to remind a user of adding pesticide, when the concentration of the liquid medicine needs to be changed, the first water suction pump 17 can be controlled through the switch panel 31, the first water suction pump 17 leads the water in the water storage box 15 into the water outlet pipe 27, the water in different medicine boxes can be controlled to be diluted through controlling the first valve 28 and the second valve 29, when the water enters the water outlet pipe 27, the water in the water outlet pipe 27 generates hydraulic pressure on the pipe wall of the water outlet pipe 27 under the action of the first water suction pump 17, the hydraulic pressure generates pressure on the baffle 39, the baffle 39 generates pressure on the compression spring 40 and moves upwards, and the pulley 37 and the sliding groove 36 generate relative movement, therefore, the bucket water hole is communicated with the inside of the water outlet pipe 27, the water through hole 38 is communicated with the water outlet at the moment, water flows out and is mixed with the liquid medicines in the first medicine box 18, the second medicine box 19, the third medicine box 20 and the fourth medicine box respectively, the concentration in the liquid medicines is changed, and the liquid medicines in different medicine boxes can be mixed with one another through the arranged water outlet 24 so as to be more suitable for the lands with different conditions and be convenient for the better growth of crops in the lands.
When the pesticide spraying system is used, when pesticide is required to be sprayed to a farmland, the pesticide vehicle is driven to the surface of the farmland, at the moment, four outer wheels 12 of the pesticide vehicle are in contact with soil texture, as the radius of the inner wheel 11 is larger than that of the outer wheels 12, the soil detection probe 14 on the surface of the inner wheel 11 is more easily in contact with the deep part of the soil, at the moment, the soil detector transmits data inside the soil to the PLC 3 and the first indicator lamp 33, the second indicator lamp 34 and the third indicator lamp 35 through the soil humidity detection circuit, and the humidity of the soil is displayed through the first indicator lamp 33, the second indicator lamp 34 and the third indicator lamp 35.
When the probe is not contacted with soil or the soil is too dry, the triode VT1 and the diodes VD1 and VD2 are in a cut-off state, and the first indicator light 33, the second indicator light 34 and the third indicator light 35 do not emit light; when the soil has humidity, the resistance value between two stages of the detection probe is reduced by the moisture in the soil, at the moment, the triode VT1 is conducted, meanwhile, the first indicator lamp 33, the second indicator lamp 34 and the third indicator lamp 35 are sequentially lightened according to the humidity degree of the soil, when the soil humidity is higher, the triode VT1 is more easily conducted, the lightening number of the light-emitting diodes is more, when the humidity degree of the soil is sent into the PLC 3, the PLC 3 respectively transmits signals to the first water suction pump 17, the second water suction pump 21, the third water suction pump 22 and the fourth water suction pump 23, at the moment, the first water suction pump 17 mixes the liquid medicine in the pesticide box 7 according to the soil quality, when the concentration of the liquid medicine needs to be changed, the first water suction pump 17 can be controlled through the switch panel 31, the first water pump 17 is used for pumping water in the water storage tank into the water outlet pipe 27, the water can be controlled to dilute water in different medicine boxes by controlling the first valve 28 and the second valve 29, when the water enters the water outlet pipe 27, the water in the water outlet pipe 27 generates hydraulic pressure on the pipe wall of the water outlet pipe 27 under the action of the first water pump 17, the hydraulic pressure generates pressure on the baffle 39 at the moment, the baffle 39 generates pressure on the compression spring 40 and moves upwards, the pulley 37 and the sliding groove 36 move relatively, so that the bucket water hole is communicated with the inside of the water outlet pipe 27, the water through hole 38 is communicated with the water outlet at the moment, the water flows out and is mixed with liquid medicines in the first medicine box 18, the second medicine box 19, the third medicine box 20 and the fourth medicine box respectively, the concentration in the liquid medicines is changed, and when the content of the liquid medicines is lower than the detection probe 26, the alarm 6 gives an alarm sound, reminding the user to add the pesticide.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A pesticide spraying system for automatically spraying pesticide according to soil humidity, which comprises a support plate (1), an outer wheel (12) and a pesticide box (7), it is characterized in that a pesticide box (7) is fixedly arranged on one side of the top end of the support plate (1), the inside of the pesticide box (7) is respectively provided with a water storage box (15), a first pesticide box (18), a second pesticide box (19) and a third pesticide box (20), four corners at the bottom end of the support plate (1) are fixedly provided with support rods (9), the bottom end of each support rod (9) is connected with the middle part of the outer wheel (12), a connecting shaft (10) is fixedly arranged between the two support rods (9) at the same side, an inner wheel (11) is fixedly arranged inside the outer wheel (12), the diameter of the inner wheel (11) is larger than that of the outer wheel (12), and a soil detection probe (14) is arranged on the surface of the inner wheel (11).
2. The spraying system for automatically spraying pesticides according to soil humidity according to claim 1, wherein: the utility model discloses a pesticide box, including extension board (1), middle part fixed mounting on extension board (1) top has control cabinet (4), one side fixed mounting of control cabinet (4) has steering wheel (5), the opposite side fixed mounting of control cabinet (4) has PLC controller (3), mounting bracket (2) are still installed to the opposite side of extension board (1), one side fixed mounting of pesticide box (7) bottom has alarm (6), the top of pesticide box (7) is still fixed mounting has discharge pipe (13), mount (8) are installed to one side of extension board (1), the middle part and mount (8) contact of discharge pipe (13) are connected.
3. The spraying system for automatically spraying pesticides according to soil humidity according to claim 1, wherein: one side of the water storage box (15) is fixedly provided with a water inlet (16), the middle parts of the first medicine box (18), the second medicine box (19) and the third medicine box (20) are fixedly provided with a water outlet pipe (27), one end of the water outlet pipe (27) is fixedly provided with a first water suction pump (17), a first valve (28) is fixedly arranged at the joint of the first medicine box (18) and the second medicine box (19), a second valve (29) is fixedly arranged at the joint of the second medicine box (19) and the third medicine box (20), the positions of the first valve (28) and the second valve (29) correspond to the position of the water outlet pipe (27), each water level detection probe (26) is fixedly arranged at the top ends of the water outlet pipes (27) of the first medicine box (18), the second medicine box (19) and the third medicine box (20), and second water suction pumps (21) are respectively fixedly arranged at the top ends of the interiors of the first medicine box (18), the second medicine box (19) and the third medicine box (20) Flowmeter (25), every are installed respectively to the bottom of second suction pump (21), third suction pump (22) and fourth suction pump (23) the equal fixed mounting in bottom of flowmeter (25) has the aqueduct, the top fixed mounting of pesticide case (7) has the hybrid chamber, the equal fixed mounting in top of first pesticide case (18), second pesticide case (19) and third pesticide case (20) has delivery port (24).
4. The spraying system for automatically spraying pesticides according to soil humidity according to claim 3, wherein: the utility model discloses a support, including outlet pipe (27), the equal fixed mounting in both sides on inside top of outlet pipe (27) has a support, two wash port (30) have all been fixed to have seted up on the top of support, two the equal fixed mounting in inner wall of support has spout (36), two the middle part fixed mounting of support has baffle (39), the equal fixed mounting in both sides of baffle (39) has pulley (37), baffle (39) are through pulley (37) and spout (36) and the support sliding connection who is equipped with, two limbers (38) have all been fixed to have seted up in spout (36), fixed mounting has compression spring (40) between the top of baffle (39) and outlet pipe (27).
5. The spraying system for automatically spraying pesticides according to soil humidity according to claim 1, wherein: and a water level alarm circuit and a soil humidity detection circuit are respectively and fixedly arranged in the PLC (3).
6. The spraying system for automatically spraying pesticides according to soil humidity according to claim 5, wherein: the water level alarm circuit comprises an integrated chip U1, resistors R1-R3 and capacitors C1-C3, wherein a pin 4 of the integrated chip U1 is respectively connected with a pin 8 of the integrated chip U1 and one end of a resistor R1, the other end of the resistor R1 is respectively connected with a water level detection probe A and a pin 7 of the integrated chip U1, two ends of the resistor R1 are also connected in parallel with a resistor R3, a pin 2 of the integrated chip U1 is respectively connected with a water level detection probe B and a capacitor C3, a pin 6 of the integrated chip U1 is connected with a pin 2 of the integrated chip U1, a pin 5 of the integrated chip U1 is respectively connected with one end of the capacitor C2 and a pin 1 of the integrated chip U1, the other end of the integrated chip C2 is connected with the other end of the capacitor C1, a pin 1 of the integrated chip U1 is connected with one end of the resistor R2, and a pin 3 of the integrated chip U1 is connected with a positive electrode of the capacitor C1, the other end of electric capacity C1 is connected with the one end of speaker BL, the other end of speaker BL is connected with resistance R2's the other end and ground wire respectively, the other end of speaker BL is connected with electric capacity C1's one end, electric capacity C1's positive pole is connected with integrated chip U1's No. 3 feet, integrated chip U1's No. 8 feet still are connected with external circuit.
7. The spraying system for automatically spraying pesticides according to soil humidity according to claim 5, wherein: the soil humidity detection circuit comprises a humidity-sensitive sensor, a triode VT1, light-emitting diodes VL1-VL3, diodes VD1, VD2, a slide rheostat Rp1 and the like, wherein two ends of one side of the humidity-sensitive sensor are respectively connected with a soil detection probe, one end of the other side of the humidity-sensitive sensor is respectively connected with one ends of base resistors R1 of the triode VT1, the other end of the resistor R1 is connected with an external circuit, two ends of the resistor R1 are also connected with a resistor R2 in parallel, the other end of the other side of the humidity-sensitive sensor is connected with one end of a slide rheostat Rp1 and a base of the triode VT1, the other end of the slide rheostat Rp1 is respectively connected with a negative electrode of a light-emitting diode VL1, a negative electrode of the light-emitting diode VL2 and a negative electrode of the light-emitting diode VL3, a slide rod of the slide rheostat Rp1 is also connected with one end of the slide rheostat 1, emitters of the triode VT, the negative electrode of the diode VD1 is connected with the positive electrode of the light emitting diode VL2 and the positive electrode of the diode VD2 respectively, and the negative electrode of the diode VD2 is connected with the positive electrode of the triode VL 3.
8. The spraying system for automatically spraying pesticides according to soil humidity according to claim 2, wherein: the top of control cabinet (4) is fixed mounting respectively has first pilot lamp (33), second pilot lamp (34) and third pilot lamp (35), first pilot lamp (33), second pilot lamp (34) and third pilot lamp (35) correspond with emitting diode VL1, VL2 and VL3 respectively, the middle part fixed mounting of control cabinet (4) has switch panel (31), the bottom fixed mounting of control cabinet (4) has display screen (32).
9. The spraying system for automatically spraying pesticides according to soil humidity according to claim 3, wherein: the water level detection probe (26) and the soil detection probe (14) are connected with the PLC (3), and the switch panel (31) and the display screen (32) are also connected with the PLC (3).
10. The spraying system for automatically spraying pesticides according to soil humidity according to claim 3, wherein: PLC controller (3) still the control connection have flowmeter (25) and alarm (6), flowmeter (25) are connected with first suction pump (17), second suction pump (21), third suction pump (22) and fourth suction pump (23) respectively.
CN202010567519.3A 2020-06-19 2020-06-19 Medicine spraying system for automatically spraying pesticide according to soil humidity Active CN111642488B (en)

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