CN111216896A - A spray even high-efficient type unmanned aerial vehicle for agricultural plant protection - Google Patents
A spray even high-efficient type unmanned aerial vehicle for agricultural plant protection Download PDFInfo
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- CN111216896A CN111216896A CN201811412756.1A CN201811412756A CN111216896A CN 111216896 A CN111216896 A CN 111216896A CN 201811412756 A CN201811412756 A CN 201811412756A CN 111216896 A CN111216896 A CN 111216896A
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- 239000007921 spray Substances 0.000 title claims abstract description 37
- 239000000575 pesticide Substances 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 238000005507 spraying Methods 0.000 claims abstract description 50
- 238000013519 translation Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000447 pesticide residue Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000012272 crop production Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Remote Sensing (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a uniformly-spraying high-efficiency unmanned aerial vehicle for agricultural plant protection, which comprises a main body, a pesticide box, a pesticide spraying mechanism, a plurality of flying mechanisms and a plurality of notches, wherein a supporting mechanism is arranged in each notch, the supporting mechanism comprises a translation component, a moving block, a supporting rod, a hinge component, a gas pump, a cylinder, a gas rod and a cushion block, the pesticide spraying mechanism comprises a conveying pipe, a communicating pipe, a supporting pipe, a rotating disc, a first motor, a power block, a frame, a reciprocating component, a connecting component and two spray heads, the uniformly-spraying high-efficiency unmanned aerial vehicle for agricultural plant protection can continuously change the rotating speed of the spray heads through the pesticide spraying mechanism to enable pesticides sprayed by the spray heads to fall on different positions, the pesticide spraying range of pesticides is expanded, the plant protection efficiency is improved, and in addition, the supporting mechanism can be retracted into each notch during plant protection operation to prevent the pesticide from being spread, so that, the practicability of the equipment is improved.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to an efficient unmanned aerial vehicle for agricultural plant protection, which sprays uniformly.
Background
An Unmanned Aerial Vehicle (UAV) is a new concept weapon equipment in rapid development, and has the advantages of flexibility, quick response, unmanned flight and low operation requirement. Unmanned aerial vehicle can realize image real-time transmission, high-risk area detection function through carrying on multiclass sensor, is satellite remote sensing and traditional aviation remote sensing's powerful supplementary. At present, the application range of unmanned aerial vehicles has been expanded to three fields of military affairs, scientific research and civil use, and the unmanned aerial vehicles are particularly widely applied to the fields of electric power, communication, weather, agriculture, oceans, exploration, photography, disaster prevention and reduction, crop production estimation, drug control and smuggling, border patrol, public security and counter terrorism and the like.
In current plant protection unmanned aerial vehicle, through carrying on medical kit and shower nozzle, carry out the pesticide and spray when unmanned aerial vehicle flies to accomplish plant protection work. However, current unmanned aerial vehicle is carrying out the plant protection during operation, because the spraying range of shower nozzle is limited, unmanned aerial vehicle need make a round trip to fly and remove, just can spray the pesticide in whole crops growing region, the efficiency of spraying of pesticide has seriously been reduced, even can drive the shower nozzle on partial unmanned aerial vehicle and remove, enlarge the scope of spraying, but the removal of shower nozzle must lead to the extension of pencil, cause partial pesticide to remain in the pencil, cause the waste of pesticide, moreover, at the in-process of spraying pesticide, partial medicine drips and attaches to on unmanned aerial vehicle's stabilizer blade easily, lead to crops to spray inhomogeneously, the growth of crops has been influenced, and then current plant protection unmanned aerial vehicle's practicality has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the not enough of prior art, provide a spray even high-efficient type unmanned aerial vehicle for agricultural plant protection.
The technical scheme adopted by the invention for solving the technical problems is as follows: an efficient unmanned aerial vehicle for agricultural plant protection and capable of spraying uniformly comprises a main body, a pesticide box, a pesticide spraying mechanism, a plurality of flying mechanisms and a plurality of notches, wherein an antenna and a PLC are arranged in the main body, the antenna is electrically connected with the PLC, the flying mechanisms are circumferentially and uniformly distributed on the periphery of the main body, the notches are circumferentially and uniformly distributed below the main body, supporting mechanisms are arranged in the notches, the pesticide box is fixed above the main body, a liquid injection pipe is arranged on the pesticide box, and the pesticide spraying mechanism is arranged below the main body;
the supporting mechanism comprises a translation assembly, a moving block, a supporting rod, a hinge assembly, an air pump, an air cylinder, an air rod and a cushion block, wherein the translation assembly is positioned above the air cylinder, the translation assembly is in transmission connection with the moving block, the moving block is hinged with the air cylinder through the supporting rod, the air cylinder is connected with the hinge assembly, the air pump is fixed on the air cylinder and communicated with the air cylinder, one end of the air rod is arranged in the air cylinder, and the other end of the air rod is fixedly connected with the cushion block;
the pesticide spraying mechanism comprises a conveying pipe, a communicating pipe, a supporting pipe, a rotary table, a first motor, a power block, a frame, a reciprocating assembly, a connecting assembly and two spray heads, wherein the top end of the communicating pipe is communicated with a pesticide box, the bottom end of the communicating pipe is sleeved on the top end of the conveying pipe, the bottom end of the conveying pipe is communicated with the center of the supporting pipe, the conveying pipe is arranged below a main body through the connecting assembly, a valve is arranged in the conveying pipe, the two spray heads are respectively positioned at two sides of the supporting pipe, the supporting pipe is arranged below the conveying pipe through the connecting assembly, the first motor is fixed below the main body and is electrically connected with a PLC, the first motor is in transmission connection with the power block, the power block is conical in shape, the rotary table is sleeved on the conveying pipe, the rotary table is abutted against the power block, and the, the frame is positioned on one side of the conveying pipe, which is far away from the power block, one side of the turntable, which is far away from the power block, is arranged in the U-shaped opening of the frame, the reciprocating assembly is in transmission connection with the driving frame, and the first motor and the valve are both electrically connected with the PLC;
a wireless receiving module is arranged in the processor and comprises a wireless receiving circuit, the wireless receiving circuit comprises a second antenna, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a third inductor, a fourth inductor, a third triode, a first diode, a second diode, a third diode and a third resistor, the second antenna is grounded through a series circuit formed by the seventh capacitor and the third inductor, the series circuit formed by the fifth capacitor and the sixth capacitor is connected with the third inductor in parallel, one end of the fourth inductor is connected with the anode of the first diode, the other end of the fourth inductor is grounded through the eighth capacitor, the base of the third triode is respectively connected with the cathode of the first diode and the cathode of the second triode, the anode of the second triode is grounded, and the emitter of the third triode is connected with the anode of the third diode, the cathode of the third diode is grounded, the collector of the third triode is externally connected with a 5V direct-current voltage power supply through a third resistor, the control circuit comprises an integrated circuit, a fourth resistor, a ninth capacitor, a tenth capacitor, a fourth triode and a buzzer, the model of the integrated circuit is NE555, the fourth end and the eighth end of the integrated circuit are externally connected with the 5V direct-current voltage power supply, the seventh end of the integrated circuit is connected with the sixth end of the integrated circuit, the seventh end of the integrated circuit is externally connected with the 5V direct-current voltage power supply through the fourth resistor, the seventh end of the integrated circuit is grounded through the ninth capacitor, the second end of the integrated circuit is connected with the collector of the third triode, the first end of the integrated circuit is grounded, the fifth end of the integrated circuit is grounded through the tenth capacitor, and the third end of the integrated circuit is connected with the base of the fourth triode, the emitter of the fourth triode is grounded, and the collector of the fourth triode is externally connected with a 5V direct-current voltage power supply through a buzzer
In the remote control transmitting circuit, conventional components are adopted, wireless reliable transmission is realized, the production cost is reduced, and the market competitiveness of the remote control circuit is improved; moreover, in the remote control receiving circuit, the first diode and the second diode form a voltage doubling circuit to perform voltage doubling rectification on the wireless signal sensed by the fourth power supply, so that the wireless signal is reliably sensed and received, and the reliability of the remote control circuit is improved.
Preferably, in order to drive the moving block to move, the translation assembly comprises a second motor, a branch pipe and a second output shaft, the second motor and the branch pipe are respectively fixed on the inner walls of the two sides of the notch, the second motor is electrically connected with the PLC, the second output shaft is located between the second motor and the branch pipe, the second motor is in transmission connection with the second output shaft, the moving block is sleeved on the second output shaft, and a thread matched with the second output shaft is arranged at the connection position of the moving block and the second output shaft.
Preferably, for the rotation of cylinder, the hinge assembly includes fixed axle, the lantern ring and connecting rod, the fixed axle is fixed in the notch, the lantern ring cover is established on the fixed axle, the lantern ring passes through connecting rod and cylinder fixed connection.
Preferably, in order to drive the reciprocating frame to reciprocate in the vertical direction, the reciprocating assembly comprises a third motor, a first connecting rod, a second connecting rod and a positioning unit, the third motor is fixed below the main body and electrically connected with the PLC, the third motor is in transmission connection with the first connecting rod, the first connecting rod is hinged with the frame through the second connecting rod, and the positioning unit is located on one side of the frame far away from the rotating disc.
Preferably, in order to fix the moving direction of the reciprocating frame, the positioning unit comprises a positioning rod and a positioning ring, the positioning rod is fixed below the main body, the positioning ring is sleeved on the positioning rod, and the positioning ring is fixedly connected with the frame.
Preferably, in order to facilitate rotation of the turntable, openings are formed in the inner walls of the two sides of the frame, balls are arranged in the openings and matched with the openings, the centers of the balls are located in the openings, and the balls abut against the turntable.
As preferred, slide and drive the conveyer pipe through the carousel and rotate on the conveyer pipe for the convenience carousel, the inboard of carousel is equipped with a plurality of bar mouths, bar mouth circumference evenly distributed is in the inboard of carousel, the periphery of conveyer pipe is equipped with a plurality of protruding boards, protruding board circumference evenly distributed is in the periphery of conveyer pipe, the quantity of protruding board equals with the quantity of bar mouth, protruding board and bar mouth one-to-one, the protruding board is located the bar mouth.
Preferably, in order to support the conveying pipe in an auxiliary manner, the connecting assembly comprises a connecting ring, a horizontal plate and two supporting frames, the two supporting frames are respectively located on two sides of the connecting ring, the connecting ring is sleeved on the conveying pipe and fixed below the main body through the supporting frames, the horizontal plate is located above the connecting ring and fixed on the conveying pipe.
Preferably, in order to realize the flight function of the unmanned aerial vehicle, the flight mechanism comprises a side rod, a fourth motor, a fourth output shaft and two blades, the fourth motor is fixedly connected with the main body through the side rod, the fourth motor is electrically connected with the PLC, the two blades are respectively located on two sides of the fourth output shaft, and the fourth motor is in transmission connection with the blades through the fourth output shaft.
Preferably, in order to enhance the cruising ability of the equipment, a photovoltaic panel is arranged above the medicine box.
The efficient unmanned aerial vehicle for agricultural plant protection, which sprays evenly, has the advantages that the rotating speed of the spray head is continuously changed through the pesticide spraying mechanism, pesticides sprayed by the spray head fall on different positions, the pesticide spraying range is expanded, the plant protection efficiency is improved, compared with the existing pesticide spraying mechanism, the pesticide spraying mechanism is wide in action range, the pesticide conveying distance is constant, pesticide residue is avoided, and in addition, when plant protection operation is carried out, the supporting mechanism can be retracted into the notch to prevent pesticide from being blocked, so that even pesticide spraying is ensured, the practicability of equipment is improved, and compared with the existing supporting mechanism, the supporting mechanism is flexible in structure, safe and reliable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a uniformly spraying high efficiency unmanned aerial vehicle for agricultural plant protection of the present invention;
FIG. 2 is a schematic structural diagram of the supporting mechanism of the efficient unmanned aerial vehicle for agricultural plant protection with uniform spraying;
FIG. 3 is a schematic structural diagram of a spraying mechanism of the efficient unmanned aerial vehicle for agricultural plant protection, which sprays uniformly, according to the present invention;
FIG. 4 is a schematic view of a connection structure of a turntable and a conveying pipe of the efficient unmanned aerial vehicle for agricultural plant protection, which sprays uniformly;
FIG. 5 is a schematic circuit diagram of a wireless receiving circuit of the efficient and evenly spraying unmanned aerial vehicle for agricultural plant protection of the present invention;
in the figure: 1. the main body, 2, a medicine box, 3, a moving block, 4, a supporting rod, 5, an air pump, 6, an air cylinder, 7, an air rod, 8, a cushion block, 9, a conveying pipe, 10, a communicating pipe, 11, a supporting pipe, 12, a rotating disc, 13, a first motor, 14, a power block, 15, a frame, 16, a spray head, 17, a second motor, 18, a branch pipe, 19, a second output shaft, 20, a fixed shaft, 21, a lantern ring, 22, a third motor, 23, a first connecting rod, 24, a second connecting rod, 25, a positioning rod, 26, a positioning ring, 27, a protruding plate, 28, a connecting ring, 29, a horizontal plate, 30, a supporting frame, 31, a side rod, 32, a fourth motor, 33, a fourth output shaft, 34, a blade, 35, a photovoltaic panel, C5., a fifth capacitor, C6., a sixth capacitor, a C7., a seventh capacitor, a C8., an eighth capacitor, a C C9., a ninth capacitor, 10, a tenth capacitor, an L3, a third inductor, a, VD2, third diode, VD3, third triode, VD4, fourth triode, R3, third resistor, R4, fourth resistor, BL. buzzer, VT1, first diode, VT2, second diode, U1. integrated circuit.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an efficient unmanned aerial vehicle for agricultural plant protection, which sprays uniformly, comprises a main body 1, a pesticide box 2, a pesticide spraying mechanism, a plurality of flying mechanisms and a plurality of notches, wherein an antenna and a PLC are arranged in the main body 1, the antenna is electrically connected with the PLC, the flying mechanisms are circumferentially and uniformly distributed at the periphery of the main body 1, the notches are circumferentially and uniformly distributed below the main body 1, a supporting mechanism is arranged in each notch, the pesticide box 2 is fixed above the main body 1, a liquid injection pipe is arranged on the pesticide box 2, and the pesticide spraying mechanism is arranged below the main body 1;
this plant protection unmanned aerial vehicle is when carrying out the plant protection operation, in pouring into pesticide solution into medical kit 2 through annotating the liquid pipe, antenna in the main part 1 can be used to receive the radio signal that outside remote control equipment sent, and give PLC with the radio signal feedback, PLC still can control antenna transmission radio signal for remote control equipment simultaneously, thereby convenience of customers passes through the cell-phone and is connected with remote control equipment, the user passes through the operation of remote control equipment unmanned aerial vehicle, control flight mechanism by PLC and start, drive equipment flight, in flight process, carry out large tracts of land pesticide spraying to the below through spouting medicine mechanism, improve plant protection efficiency, in order to avoid the pesticide that medicine mechanism sprays to adhere to on supporting mechanism, inside supporting mechanism income notch, thereby make the pesticide evenly spray on the crops of below, this plant protection unmanned aerial vehicle's practicality has been improved.
As shown in fig. 2, the supporting mechanism includes a translation assembly, a moving block 3, a supporting rod 4, a hinge assembly, an air pump 5, an air cylinder 6, an air rod 7 and a cushion block 8, the translation assembly is located above the air cylinder 6, the translation assembly is in transmission connection with the moving block 3, the moving block 3 is hinged to the air cylinder 6 through the supporting rod 4, the air cylinder 6 is connected with the hinge assembly, the air pump 5 is fixed on the air cylinder 6, the air pump 5 is communicated with the air cylinder 6, one end of the air rod 7 is arranged in the air cylinder 6, and the other end of the air rod 7 is fixedly connected with the cushion block 8;
among the supporting mechanism, can drive movable block 3 through the translation subassembly and remove at same high position, movable block 3 passes through bracing piece 4 and acts on cylinder 6, make the angle of cylinder 6 change, when unmanned aerial vehicle is at the flight in-process, the translation subassembly drives in the cylinder 6 income notch, PLC control air pump 5 reduces the atmospheric pressure in the cylinder 6 simultaneously, make gas pole 7 and cushion 8 remove to cylinder 6, reduce supporting mechanism's size, be convenient for in the supporting mechanism income notch, when the plant protection operation is accomplished, in order to make unmanned aerial vehicle land safely, the translation subassembly drives cylinder 6 and rotates downwards, make cylinder 6 expose the notch outside, then PLC control air pump 5 increases the atmospheric pressure in the cylinder 6, make gas pole 7 drive cushion 8 and keep away from cylinder 6, landing cushion 8 is at first contacted ground when making things convenient for unmanned aerial vehicle, thereby realize unmanned aerial vehicle's safe landing.
As shown in fig. 3, the pesticide spraying mechanism comprises a conveying pipe 9, a communicating pipe 10, a supporting pipe 11, a rotary table 12, a first motor 13, a power block 14, a frame 15, a reciprocating assembly, a connecting assembly and two spray heads 16, wherein the top end of the communicating pipe 10 is communicated with a pesticide box 2, the bottom end of the communicating pipe 10 is sleeved on the top end of the conveying pipe 9, the bottom end of the conveying pipe 9 is communicated with the center of the supporting pipe 11, the conveying pipe 9 is arranged below a main body 1 through the connecting assembly, a valve is arranged in the conveying pipe 9, the two spray heads 16 are respectively arranged at two sides of the supporting pipe 11, the supporting pipe 11 is arranged below the conveying pipe 9 through the connecting assembly, the first motor 13 is fixed below the main body 1, the first motor 13 is electrically connected with a PLC, the first motor 13 is in transmission connection with the power block 14, the power block 14 is conical in shape, the rotary, the turntable 12 is abutted against the power block 14, the frame 15 is U-shaped, the frame 15 is positioned on one side of the conveying pipe 9 far away from the power block 14, one side of the turntable 12 far away from the power block 14 is arranged in a U-shaped opening of the frame 15, the reciprocating assembly is in transmission connection with the driving frame, and the first motor 13 and the valve are both electrically connected with the PLC.
When the pesticide spraying mechanism sprays pesticides, the PLC controls the valves in the conveying pipe 9 to be opened, so that pesticide solution in the pesticide box 2 enters the conveying pipe 9 through the communicating pipe 10 and is sprayed out from the spray heads 16 at two ends of the supporting pipe 11 through the supporting pipe 11 respectively, in order to enlarge the spraying range of the pesticide spraying mechanism and improve the plant protection efficiency of the unmanned aerial vehicle, the PLC controls the first motor 13 to be started to drive the power block 14 to rotate along the axis of the PLC, the PLC controls the reciprocating assembly to be started at the same time to drive the frame 15 to reciprocate in the vertical direction, as the power block 14 is conical, the linear velocities of all height positions of the power block 14 are different, the different positions of the power block 14 act on the turntable 12 while the driving frame drives the turntable 12 to move up and down, so that the rotation speed of the turntable 12 is changed along with the change of the height, and the turntable 12 drives the conveying pipe, therefore, the rotation speed of the conveying pipe 9 is different, the rotation speed of the spray head 16 is constantly changed, the pesticide sprayed from the spray head 16 is in horizontal projectile motion, the flying height position of the unmanned aerial vehicle is fixed, the rotation speed of the spray head 16 is changed from time to time, the pesticide sprayed from the spray head 16 falls on different positions of crops, the spraying range of the pesticide spraying mechanism is expanded, the unmanned aerial vehicle can spray the pesticide in a large range without flying back and forth, and the plant protection efficiency is improved;
as shown in fig. 5, a wireless receiving module is disposed in the main body 1, the wireless receiving module includes a wireless receiving circuit, the wireless receiving circuit includes a second antenna, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a third inductor L3, a fourth inductor L4, a third transistor VD3, a first diode VT1, a second diode VT2, a third diode VD2, and a third resistor R3, the second antenna is grounded through a series circuit of a seventh capacitor C7 and a third inductor L3, a series circuit of a fifth capacitor C5 and a sixth capacitor C6 is connected in parallel with the third inductor L3, one end of the fourth inductor L4 is connected to an anode of the first diode VT1, the other end of the fourth inductor L4 is grounded through an eighth capacitor C8, a base of the third transistor VD3 is connected to a cathode 1 and a cathode of the first diode VT1, the anode of the second triode is grounded, the emitter of the third triode VD3 is connected with the anode of a third diode VD2, the cathode of the third diode VD2 is grounded, the collector of the third triode VD3 is externally connected with a 5V direct current voltage power supply through a third resistor R3, the control circuit comprises an integrated circuit U1, a fourth resistor R4, a ninth capacitor C9, a tenth capacitor C10, a fourth triode VD4 and a buzzer BL, the model of the integrated circuit U1 is NE555, the fourth end and the eighth end of the integrated circuit U1 are externally connected with the 5V direct current voltage power supply, the seventh end of the integrated circuit U1 is connected with the sixth end of the integrated circuit U1, the seventh end of the integrated circuit U1 is externally connected with the 5V direct current voltage power supply through a fourth resistor R4, the seventh end of the integrated circuit U1 is grounded through the ninth capacitor C9, the second end of the integrated circuit U1 is connected with the collector 3 of the third triode VD 352, the first end ground of integrated circuit U1, the fifth end of integrated circuit U1 is through tenth electric capacity C10 ground connection, the third end and the base of fourth triode VD4 of integrated circuit U1 are connected, the projecting pole ground of fourth triode VD4, the external 5V direct current voltage power supply of buzzer BL is passed through to the collecting electrode of fourth triode VD4.
As shown in fig. 2, the translation assembly includes a second motor 17, a branch pipe 18 and a second output shaft 19, the second motor 17 and the branch pipe 18 are respectively fixed on the inner walls of the two sides of the notch, the second motor 17 is electrically connected with the PLC, the second output shaft 19 is located between the second motor 17 and the branch pipe 18, the second motor 17 is in transmission connection with the second output shaft 19, the moving block 3 is sleeved on the second output shaft 19, and a connection portion of the moving block 3 and the second output shaft 19 is provided with a thread matched with the second output shaft 19.
The PLC controls the second motor 17 to start, so as to drive the second output shaft 19 to rotate, and the second output shaft 19 acts on the moving block 3 through a thread, so that the moving block 3 moves along the axis of the second output shaft 19.
Preferably, in order to facilitate the rotation of the cylinder 6, the hinge assembly includes a fixed shaft 20, a collar 21 and a connecting rod, the fixed shaft 20 is fixed in the recess, the collar 21 is sleeved on the fixed shaft 20, and the collar 21 is fixedly connected with the cylinder 6 through the connecting rod. Utilize the fixed axle 20 of rigidity to fix the lantern ring 21 rotational position for lantern ring 21 rotates along the axis of fixed axle 20, and then conveniently drives cylinder 6 through the connecting rod and rotates.
As shown in fig. 3, the reciprocating assembly comprises a third motor 22, a first connecting rod 23, a second connecting rod 24 and a positioning unit, wherein the third motor 22 is fixed below the main body 1, the third motor 22 is electrically connected with the PLC, the third motor 22 is in transmission connection with the first connecting rod 23, the first connecting rod 23 is hinged with the frame 15 through the second connecting rod 24, and the positioning unit is positioned on one side of the frame 15 far away from the turntable 12.
The PLC controls the third motor 22 to start, and drives the first connecting rod 23 to make a circular motion, and at the same time, the first connecting rod 23 acts on the frame 15 through the second connecting rod 24, so that the frame 15 moves in the vertical direction.
Preferably, in order to fix the moving direction of the reciprocating frame, the positioning unit includes a positioning rod 25 and a positioning ring 26, the positioning rod 25 is fixed below the main body 1, the positioning ring 26 is sleeved on the positioning rod 25, and the positioning ring 26 is fixedly connected to the frame 15. The positioning rod 25 is fixed in position, and the positioning ring 26 can move up and down around the axis of the positioning rod 25, so that the moving direction of the frame 15 is fixed by fixedly connecting the positioning ring 26 with the frame 15, and the frame 15 can stably move in a reciprocating manner in the vertical direction.
Preferably, in order to facilitate the rotation of the turntable 12, openings are formed in the inner walls of the two sides of the frame 15, balls are arranged in the openings, the balls are matched with the openings, the centers of the balls are located in the openings, and the balls abut against the turntable 12. The balls roll in the notches, so that when the rotary table 12 rotates, sliding friction borne by the rotary table 12 is changed into rolling friction, friction borne by the rotary table 12 in rotation is reduced, and the rotary table 12 can rotate smoothly.
As shown in fig. 4, the inboard of carousel 12 is equipped with a plurality of bar mouths, bar mouth circumference evenly distributed is in the inboard of carousel 12, the periphery of conveyer pipe 9 is equipped with a plurality of protruding boards 27, protruding board 27 circumference evenly distributed is in the periphery of conveyer pipe 9, the quantity of protruding board 27 equals with the quantity of bar mouth, protruding board 27 and bar mouth one-to-one, protruding board 27 is located the bar mouth.
Protruding board 27 can be in the slip of bar mouth, has made things convenient for carousel 12 to reciprocate along the axis of conveyer pipe 9, and when carousel 12 was rotatory, the inner wall of the bar mouth of carousel 12 was used in protruding board 27, drives protruding board 27 rotatory for conveyer pipe 9 takes place to rotate.
Preferably, in order to assist in supporting the conveying pipe 9, the connecting assembly includes a connecting ring 28, a horizontal plate 29 and two supporting frames 30, the two supporting frames 30 are respectively located at two sides of the connecting ring 28, the connecting ring 28 is sleeved on the conveying pipe 9, the connecting ring 28 is fixed below the main body 1 through the supporting frames 30, the horizontal plate 29 is located above the connecting ring 28, and the horizontal plate 29 is fixed on the conveying pipe 9. The position of the fixing ring is fixed by two support frames 30 to fix the rotation axis of the feed pipe 9, and the feed pipe 9 is prevented from falling downward by the horizontal plate 29 to perform a function of supporting the feed pipe 9.
As shown in fig. 1, the flying mechanism comprises a side bar 31, a fourth motor 32, a fourth output shaft 33 and two blades 34, wherein the fourth motor 32 is fixedly connected with the main body 1 through the side bar 31, the fourth motor 32 is electrically connected with the PLC, the two blades 34 are respectively positioned at two sides of the fourth output shaft 33, and the fourth motor 32 is in transmission connection with the blades 34 through the fourth output shaft 33. Utilize the fixed fourth motor 32 of side lever 31, when equipment need fly, PLC control fourth motor 32 starts, drives blade 34 rotation through fourth output shaft 33, produces decurrent air current to it is unsettled to support unmanned aerial vehicle, realizes unmanned aerial vehicle's flight function.
Preferably, in order to enhance the cruising ability of the equipment, a photovoltaic panel 35 is arranged above the medicine chest 2. The photovoltaic panel 35 can be used for photovoltaic power generation to provide electric energy for flying equipment, so that the cruising ability of the equipment is enhanced.
This plant protection unmanned aerial vehicle is when carrying out the plant protection operation, drive movable block 3 through the translation subassembly and remove, make movable block 3 pass through bracing piece 4 and upwards stimulate cylinder 6, in 7 income cylinders 6 of gas pole simultaneously, reduce the size of supporting mechanism, make in the supporting mechanism income recess, prevent that the pesticide that sprays from attaching to on the supporting mechanism, be convenient for spout the downward even pesticide that sprays of medicine mechanism, moreover, drive carousel 12 reciprocating motion from top to bottom through reciprocal subassembly, it is rotatory to utilize power block 14 drive carousel 12, thereby change the rotational speed of carousel 12, carousel 12 is used in conveyer pipe 9, make conveyer pipe 9, the continuous emergence of the rotational speed of stay tube 11 and shower nozzle 16 changes, make 16 spun pesticides of shower nozzle fall on the position of difference, thereby the scope of spraying pesticides has been enlarged, plant protection efficiency has been improved.
Compared with the prior art, the high-efficiency unmanned aerial vehicle for agricultural plant protection with even spraying changes the rotating speed of the spray head 16 continuously through the pesticide spraying mechanism, so that the pesticide sprayed by the spray head 16 falls on different positions, the pesticide spraying range is enlarged, the plant protection efficiency is improved, compared with the existing pesticide spraying mechanism, the pesticide spraying mechanism has wide action range, the pesticide conveying distance is constant, pesticide residue is avoided, and in addition, when the plant protection operation is carried out, the supporting mechanism can be retracted into the notch to prevent the pesticide from being blocked, thereby ensuring the uniform spraying of the pesticide and improving the practicability of the equipment, the supporting mechanism has flexible structure, safety and reliability, adopts conventional components in the remote control transmitting circuit, while realizing wireless reliable transmission, the production cost is reduced, and the market competitiveness of the remote control circuit is improved; moreover, in the remote control receiving circuit, the first diode VT1 and the second diode VT2 constitute a voltage doubling circuit to perform voltage doubling rectification on the wireless signal corresponding to the fourth inductor L4, so that the wireless signal is reliably received in an induction mode, and the reliability of the remote control circuit is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The efficient unmanned aerial vehicle for agricultural plant protection is uniformly sprayed and is characterized by comprising a main body (1), a pesticide box (2), a pesticide spraying mechanism, a plurality of flying mechanisms and a plurality of notches, wherein an antenna and a PLC are arranged in the main body (1), the antenna is electrically connected with the PLC, the flying mechanisms are circumferentially and uniformly distributed at the periphery of the main body (1), the notches are circumferentially and uniformly distributed below the main body (1), a supporting mechanism is arranged in each notch, the pesticide box (2) is fixed above the main body (1), a liquid injection pipe is arranged on the pesticide box (2), and the pesticide spraying mechanism is arranged below the main body (1);
the supporting mechanism comprises a translation assembly, a moving block (3), a supporting rod (4), a hinge assembly, an air pump (5), an air cylinder (6), an air rod (7) and a cushion block (8), the translation assembly is located above the air cylinder (6), the translation assembly is in transmission connection with the moving block (3), the moving block (3) is hinged to the air cylinder (6) through the supporting rod (4), the air cylinder (6) is connected with the hinge assembly, the air pump (5) is fixed on the air cylinder (6), the air pump (5) is communicated with the air cylinder (6), one end of the air rod (7) is arranged in the air cylinder (6), and the other end of the air rod (7) is fixedly connected with the cushion block (8);
the pesticide spraying mechanism comprises a conveying pipe (9), a communicating pipe (10), a supporting pipe (11), a rotary table (12), a first motor (13), a power block (14), a frame (15), a reciprocating assembly, a connecting assembly and two spray heads (16), wherein the top end of the communicating pipe (10) is communicated with a pesticide box (2), the bottom end of the communicating pipe (10) is sleeved on the top end of the conveying pipe (9), the bottom end of the conveying pipe (9) is communicated with the center of the supporting pipe (11), the conveying pipe (9) is arranged below a main body (1) through the connecting assembly, a valve is arranged in the conveying pipe (9), the two spray heads (16) are respectively positioned at two sides of the supporting pipe (11), the supporting pipe (11) is arranged below the conveying pipe (9) through the connecting assembly, the first motor (13) is fixed below the main body (1), and the first motor (13) is electrically connected with a PLC, the first motor (13) is in transmission connection with the power block (14), the power block (14) is conical, the rotary table (12) is sleeved on the conveying pipe (9), the rotary table (12) abuts against the power block (14), the frame (15) is U-shaped, the frame (15) is located on one side, away from the power block (14), of the conveying pipe (9), one side, away from the power block (14), of the rotary table (12) is arranged in a U-shaped opening of the frame (15), the reciprocating assembly is in transmission connection with the driving frame, and the first motor (13) and the valve are both electrically connected with the PLC;
a wireless receiving module is arranged in the main body (1), the wireless receiving module comprises a wireless receiving circuit, the wireless receiving circuit comprises a second antenna, a fifth capacitor (C5), a sixth capacitor (C6), a seventh capacitor (C7), an eighth capacitor (C8), a third inductor (L3), a fourth inductor (L4), a third triode (VD3), a first diode (VT1), a second diode (VT2), a third diode (VD2) and a third resistor (R3), the second antenna is grounded through a series circuit formed by the seventh capacitor (C7) and the third inductor (L3), a series circuit formed by the fifth capacitor (C5) and the sixth capacitor (C6) is connected with the third inductor (L3) in parallel, one end of the fourth inductor (L4) is connected with the anode of the first diode (VT1), and the other end of the fourth inductor (L4) is grounded through an eighth capacitor (C8), the base electrode of the third triode (VD3) is respectively connected with the cathode of the first diode (VT1) and the cathode of the second triode, the anode of the second triode is grounded, the emitter of the third triode (VD3) is connected with the anode of the third diode (VD2), the cathode of the third diode (VD2) is grounded, the collector of the third triode (VD3) is externally connected with a 5V direct current voltage power supply through a third resistor (R3), the control circuit comprises an integrated circuit (U1), a fourth resistor (R4), a ninth capacitor (C9), a tenth capacitor (C10), a fourth triode (VD4) and a Buzzer (BL), the model of the integrated circuit (U1) is NE555, the fourth end and the eighth end of the integrated circuit (U1) are externally connected with a 5V direct current voltage power supply, the seventh end of the integrated circuit (U1) is connected with the sixth end of the integrated circuit (U1), the seventh end of the integrated circuit (U1) is connected with an external 5V direct current voltage power supply through a fourth resistor (R4), the seventh end of the integrated circuit (U1) is grounded through a ninth capacitor (C9), the second end of the integrated circuit (U1) is connected with the collector of a third triode (VD3), the first end of the integrated circuit (U1) is grounded, the fifth end of the integrated circuit (U1) is grounded through a tenth capacitor (C10), the third end of the integrated circuit (U1) is connected with the base of a fourth triode (VD4), the emitter of the fourth triode (VD4) is grounded, and the collector of the fourth triode (VD4) is connected with an external 5V direct current voltage power supply through a Buzzer (BL).
2. The unmanned aerial vehicle with uniform spraying for agricultural plant protection as claimed in claim 1, wherein the translation assembly comprises a second motor (17), a branch pipe (18) and a second output shaft (19), the second motor (17) and the branch pipe (18) are respectively fixed on the inner walls of the two sides of the notch, the second motor (17) is electrically connected with the PLC, the second output shaft (19) is located between the second motor (17) and the branch pipe (18), the second motor (17) is in transmission connection with the second output shaft (19), the moving block (3) is sleeved on the second output shaft (19), and a connecting portion of the moving block (3) and the second output shaft (19) is provided with a thread matching with the second output shaft (19).
3. The unmanned aerial vehicle for agricultural plant protection spraying uniformly and efficiently as claimed in claim 1, wherein the hinge assembly comprises a fixed shaft (20), a collar (21) and a connecting rod, the fixed shaft (20) is fixed in the recess, the collar (21) is sleeved on the fixed shaft (20), and the collar (21) is fixedly connected with the cylinder (6) through the connecting rod.
4. The unmanned aerial vehicle with uniform spraying for agricultural plant protection as claimed in claim 1, wherein the reciprocating assembly comprises a third motor (22), a first connecting rod (23), a second connecting rod (24) and a positioning unit, the third motor (22) is fixed under the main body (1), the third motor (22) is electrically connected with the PLC, the third motor (22) is in transmission connection with the first connecting rod (23), the first connecting rod (23) is hinged with the frame (15) through the second connecting rod (24), and the positioning unit is located on one side of the frame (15) far away from the turntable (12).
5. The efficient and evenly spraying unmanned aerial vehicle for agricultural plant protection as claimed in claim 4, wherein the positioning unit comprises a positioning rod (25) and a positioning ring (26), the positioning rod (25) is fixed below the main body (1), the positioning ring (26) is sleeved on the positioning rod (25), and the positioning ring (26) is fixedly connected with the frame (15).
6. The unmanned aerial vehicle for agricultural plant protection sprays evenly high efficiency as set forth in claim 1, characterized in that the inner wall of both sides of the frame (15) is provided with an opening, a ball is arranged in the opening, the ball matches with the opening, the center of the ball is located in the opening, and the ball abuts against the turntable (12).
7. The efficient unmanned aerial vehicle with uniform spraying for agricultural plant protection as claimed in claim 1, wherein the inner side of the turntable (12) is provided with a plurality of bar-shaped openings, the bar-shaped openings are circumferentially and uniformly distributed on the inner side of the turntable (12), the periphery of the conveying pipe (9) is provided with a plurality of protruding plates (27), the protruding plates (27) are circumferentially and uniformly distributed on the periphery of the conveying pipe (9), the number of the protruding plates (27) is equal to the number of the bar-shaped openings, the protruding plates (27) are in one-to-one correspondence with the bar-shaped openings, and the protruding plates (27) are located in the bar-shaped openings.
8. The efficient unmanned aerial vehicle with uniform spraying for agricultural plant protection as claimed in claim 1, wherein the connection assembly comprises a connection ring (28), a horizontal plate (29) and two support frames (30), the two support frames (30) are respectively located at two sides of the connection ring (28), the connection ring (28) is sleeved on the conveying pipe (9), the connection ring (28) is fixed below the main body (1) through the support frames (30), the horizontal plate (29) is located above the connection ring (28), and the horizontal plate (29) is fixed on the conveying pipe (9).
9. The unmanned aerial vehicle with uniform spraying for agricultural plant protection as claimed in claim 1, wherein the flying mechanism comprises a side lever (31), a fourth motor (32), a fourth output shaft (33) and two blades (34), the fourth motor (32) is fixedly connected with the main body (1) through the side lever (31), the fourth motor (32) is electrically connected with the PLC, the two blades (34) are respectively arranged at two sides of the fourth output shaft (33), and the fourth motor (32) is in transmission connection with the blades (34) through the fourth output shaft (33).
10. The unmanned aerial vehicle for agricultural plant protection spraying uniformly and efficiently as claimed in claim 1, wherein a photovoltaic panel (35) is provided above the pesticide box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412756.1A CN111216896A (en) | 2018-11-26 | 2018-11-26 | A spray even high-efficient type unmanned aerial vehicle for agricultural plant protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412756.1A CN111216896A (en) | 2018-11-26 | 2018-11-26 | A spray even high-efficient type unmanned aerial vehicle for agricultural plant protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111216896A true CN111216896A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811412756.1A Pending CN111216896A (en) | 2018-11-26 | 2018-11-26 | A spray even high-efficient type unmanned aerial vehicle for agricultural plant protection |
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| CN (1) | CN111216896A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357089A (en) * | 2020-10-27 | 2021-02-12 | 湖北山石智能科技有限公司 | Pesticide unmanned aerial vehicle is spouted in plant protection |
-
2018
- 2018-11-26 CN CN201811412756.1A patent/CN111216896A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112357089A (en) * | 2020-10-27 | 2021-02-12 | 湖北山石智能科技有限公司 | Pesticide unmanned aerial vehicle is spouted in plant protection |
| CN112357089B (en) * | 2020-10-27 | 2022-06-03 | 湖北山石智能科技有限公司 | Pesticide unmanned aerial vehicle is spouted in plant protection |
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Application publication date: 20200602 |