CN115349507A - Unmanned aerial vehicle is with targeting atomizer and unmanned aerial vehicle - Google Patents
Unmanned aerial vehicle is with targeting atomizer and unmanned aerial vehicle Download PDFInfo
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- CN115349507A CN115349507A CN202211177659.5A CN202211177659A CN115349507A CN 115349507 A CN115349507 A CN 115349507A CN 202211177659 A CN202211177659 A CN 202211177659A CN 115349507 A CN115349507 A CN 115349507A
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- 230000008685 targeting Effects 0.000 title claims abstract description 22
- 238000005507 spraying Methods 0.000 claims abstract description 150
- 239000007921 spray Substances 0.000 claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000007664 blowing Methods 0.000 claims description 2
- 239000000443 aerosol Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 18
- 239000003814 drug Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000889 atomisation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000009690 centrifugal atomisation Methods 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
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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
- A01M7/0032—Pressure sprayers
- A01M7/0042—Field sprayers, e.g. self-propelled, drawn or tractor-mounted
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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
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
- A01M7/0053—Mounting of the spraybooms
-
- 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
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
- A01M7/006—Mounting of the nozzles
-
- 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
- A01M7/0082—Undercarriages, frames, mountings, couplings, tanks
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a targeting spraying device for an unmanned aerial vehicle and the unmanned aerial vehicle, wherein the device comprises a mounting seat, a spraying mechanism and a connecting arm arranged between the mounting seat and the spraying mechanism; the spraying mechanism comprises a spraying duct, a spray head arranged on the spraying duct and a fan assembly; the spray head is arranged on one side of the spray duct, and the fan assembly is arranged on the other side of the spray duct; a first rotary driving mechanism is arranged between the mounting seat and the connecting arm; a second rotation driving mechanism is arranged between the spray duct and the connecting arm; the axis of the spraying duct is perpendicular to the rotation center line of the spraying duct on the connecting arm. The device can flow the adjustment spraying angle in a flexible way on unmanned aerial vehicle, can reduce the influence of unmanned aerial vehicle rotor air current and external atmospheric air to spraying to reduced the elegant scope of fog drop, realized accurate target spraying, improved the spraying effect, reduced the pollution to the environment, practiced thrift the liquid medicine.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle spraying, in particular to a targeting spraying device for an unmanned aerial vehicle and the unmanned aerial vehicle.
Background
The sprayer is an appliance for converting liquid medicine or other liquid into mist by utilizing air suction effect and uniformly spraying the mist to other objects, and consists of a device for compressing air, a thin tube, a spray head and the like. In agriculture, sprayers are important agricultural tools which are indispensable for preventing and controlling plant diseases and insect pests.
In order to save more time and labor, the prior art adopts an electric sprayer which is formed by sequentially connecting and communicating a liquid storage barrel, a filter screen, a connecting head, a suction device (a small electric pump), a connecting pipe, a spray pipe and a spray head, wherein the suction device is a small electric pump which is connected with a battery through an electric wire and a switch, the liquid storage barrel can be manufactured into a groove with a sunken battery, and the electric sprayer has the advantages that the suction type suction barrel is eliminated, so that the defect that an operator is injured by pesticide by external filtration is effectively eliminated, the labor is saved, the pressure of the electric pump is higher than that of a manually operated suction barrel, the spraying distance and range are increased, and the atomization effect is good.
The existing spray head mainly has two atomization modes, namely hydraulic atomization and centrifugal atomization. The hydraulic atomizing nozzle is an assembly which atomizes liquid medicine by using pressure provided by a liquid pump and sprays the liquid medicine to form a fog flow, and is one of the most extensive atomizing nozzles. The centrifugal atomization can reduce the weight of the whole spraying equipment, and is convenient for operating and spraying pesticide. The shower nozzle of this atomizing mode is commonly used on unmanned aerial vehicle, and the principle is that the shower nozzle motor drives the carousel high-speed rotation of shower nozzle department, and the liquid medicine can get rid of away through centrifugal force, and the droplet can form. The size of the fog drops can be easily changed by adjusting the rotating speed of the spray head or changing the structure of the rotary table of the spray head.
However, the shower nozzle of the centrifugal atomizing and spraying device on the existing unmanned aerial vehicle is fixed under the rotor, the angle position of the shower nozzle can not be flexibly adjusted, and under the influence of the rotor airflow of the unmanned aerial vehicle and the external atmospheric airflow, the fog drops drift to a non-target area, so that the position of spraying is not convenient to control, the spraying precision is low, and the environment can be damaged and the liquid medicine is wasted.
Disclosure of Invention
The invention aims to overcome the existing problems and provides a targeting spraying device for an unmanned aerial vehicle, which can flexibly adjust the spraying angle on the unmanned aerial vehicle and reduce the influence of the rotor airflow of the unmanned aerial vehicle and the external atmospheric airflow on spraying, thereby reducing the elegant range of fog drops, realizing accurate targeting spraying, improving the spraying effect, reducing the pollution to the environment and saving liquid medicine.
The second purpose of the invention is to provide an unmanned aerial vehicle comprising the target spraying device for the unmanned aerial vehicle.
The purpose of the invention is realized by the following technical scheme:
a targeting spraying device for an unmanned aerial vehicle comprises a mounting seat, a spraying mechanism and a connecting arm arranged between the mounting seat and the spraying mechanism; one end of the connecting arm is connected with the mounting seat, and the other end of the connecting arm is connected with the spraying mechanism; wherein the content of the first and second substances,
the spraying mechanism comprises a spraying duct, a spray head arranged on the spraying duct and a fan assembly; the spray head is arranged on one side of the spray duct, the fan assembly is arranged on the other side of the spray duct, and the spray head is positioned in front of the blowing assembly;
a first rotation driving mechanism for driving the connecting arm to rotate on the mounting seat is arranged between the mounting seat and the connecting arm; a second rotation driving mechanism for driving the spraying duct to rotate on the connecting arm is arranged between the spraying duct and the connecting arm; the axis of the spraying duct is perpendicular to the rotation center line of the spraying duct on the connecting arm.
The working principle of the targeting spraying device for the unmanned aerial vehicle is as follows:
the mounting seat is mounted on the unmanned aerial vehicle body, and when spraying is carried out, the first rotation driving mechanism drives the connecting arm to rotate, so that the spraying mechanism is driven to rotate; rotate actuating mechanism through the second and drive the spraying duct rotatory on the linking arm, it follows the spraying duct together rotatory to drive shower nozzle and fan subassembly on the spraying duct, rotate actuating mechanism and second through first rotation actuating mechanism and work in coordination for shower nozzle on the spraying duct can spray towards different directions, the fan subassembly is bloied towards the direction of shower nozzle spraying, under the guide of spraying duct, make shower nozzle spun droplet along with the air current further motion, realize accurate spraying to the target.
In a preferred embodiment of the present invention, a rotation center line of the connecting arm on the mounting base is perpendicular to a rotation center line of the spraying mechanism on the connecting arm. The purpose of adopting above-mentioned structure lies in for spraying mechanism can rotate in two mutually perpendicular directions to realize that spraying mechanism sprays towards each direction, and the flexibility is higher.
Preferably, the fan assembly comprises a grill disposed at an air inlet of the spray duct, a first impeller disposed on the grill, and a second impeller. In the structure, the grating can play a role in installing the first impeller and the second impeller and can also play a role in protecting the first impeller and the second impeller; through setting up two impellers, can improve the amount of wind size, improve the spraying effect.
Preferably, the first impeller and the second impeller are coaxially disposed, an inclination angle of the blades of the first impeller is opposite to an inclination angle of the blades of the second impeller, and rotation directions of the first impeller and the second impeller are opposite. Adopt above-mentioned structure, because the inclination of the blade of first impeller with the inclination of the blade of second impeller is opposite, even first impeller is opposite with the direction of rotation of second impeller, the orientation of the wind that both blow off is the same, the aim at who sets up like this can increase the amount of wind size on the one hand, and on the other hand, the rotatory amount of wind that comes from the second impeller air current of entry direction can be weakened in the first impeller counter rotation of export direction for the gas that blows off gathers together more, and difficult diffusion can carry the droplet to farther mark target, improves the target spraying effect.
Preferably, a bracket is arranged at the air outlet of the spray duct, and the spray head is installed in the center of the bracket. Through setting up above-mentioned structure for the shower nozzle can be located the axis of spraying duct, guarantees the homogeneity of shower nozzle spraying.
Preferably, the spraying mechanism further comprises a water pump and a water delivery pipe connected between the water pump and the spray head; and the side wall of the spraying duct is provided with a through hole for the water delivery pipe to pass through. Through setting up above-mentioned structure, the water pump can pump sending liquid medicine to the shower nozzle on, the shower nozzle can the atomizing liquid medicine, with the liquid medicine blowout, the through-hole can make things convenient for arranging of raceway.
Preferably, a connecting piece is arranged between the connecting arm and the spraying duct, one end of the connecting piece is rotatably connected with the connecting arm, and the other end of the connecting piece is connected with the side surface of the spraying duct; the connecting piece is provided with an L-shaped hole for the water delivery pipe to pass through. Through setting up the connecting piece, the installation of the spraying duct of being convenient for and linking arm, the raceway is through L type hole back, then wears out from the through-hole, is connected with the shower nozzle at last, makes things convenient for arranging and moving towards of raceway more for the structure becomes compacter.
Preferably, the first rotary drive mechanism comprises a first drive motor disposed between the mount and the connecting arm; the shell of the first driving motor is fixedly connected with the connecting arm, and the output shaft of the first driving motor is connected with the mounting seat; the second rotary driving mechanism comprises a second driving motor arranged between the connecting piece and the connecting arm; the shell of the second driving motor is fixedly connected with the connecting arm, and an output shaft of the second driving motor is connected with the connecting piece. By adopting the structure, the output shaft is driven to rotate by the first driving motor, and the shell of the first driving motor rotates relative to the output shaft due to the fact that the first driving motor is installed and fixed on the unmanned aerial vehicle body, so that the connecting arm is driven; the output shaft is driven to rotate by the second driving motor, the output shaft drives the connecting piece to rotate, and the connecting piece can drive the spraying duct to rotate; two driving motor coordinated control can realize that the spraying duct is towards all directions, finally makes the shower nozzle spray towards all directions.
Preferably, the inside hollow structure that is of linking arm, the both ends of this linking arm all be equipped with the walking hole of hollow structure intercommunication, its aim at, hollow structure can reduce the weight of linking arm on the one hand, and the unmanned aerial vehicle flight of being convenient for also can make things convenient for first driving motor and second driving motor's installation simultaneously, and the electric wire of walking hole first driving motor of being convenient for and second driving motor walks the line.
An unmanned aerial vehicle, include unmanned aerial vehicle with to target atomizer.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the targeting spraying device for the unmanned aerial vehicle, the connecting arm is driven to rotate through the first rotation driving mechanism, so that the spraying mechanism is driven to rotate along with the first rotation driving mechanism; rotate actuating mechanism through the second and drive the spraying duct rotatory on the linking arm, shower nozzle and fan subassembly that drive on the spraying duct follow the spraying duct together rotatory, rotate actuating mechanism and second through first rotation actuating mechanism and work in coordination for the shower nozzle on the spraying duct can spray towards different directions, can reduce the influence of unmanned aerial vehicle rotor air current and external atmospheric air current to the spraying, thereby reduced the elegant scope of fog drop, realized accurate to the target spraying, improved the spraying effect.
2. According to the targeting spraying device for the unmanned aerial vehicle, the spraying duct is arranged, the fan assembly blows air towards the spraying direction of the spray head, and under the guidance of the spraying duct, fog drops sprayed by the spray head further move along with airflow, so that the fog drops are prevented from flowing away, and accurate targeting spraying is realized.
3. The targeting spraying device for the unmanned aerial vehicle realizes accurate targeting spraying, reduces the pollution to the environment and saves the liquid medicine.
4. In the preferred scheme of the invention, two impellers which are combined in series are used in the spray duct, the blade inclination angles of the first impeller and the second impeller are opposite, the rotation directions are opposite, on one hand, the air volume can be increased, on the other hand, the reverse rotation of the first impeller in the outlet direction can weaken the rotation air volume of the airflow of the second impeller in the inlet direction, so that blown gas is gathered and is not easy to diffuse, fog drops can be carried to a farther target, and the targeted spraying effect is improved.
Drawings
Fig. 1 to fig. 3 are schematic structural views of an embodiment of a targeting spray device for an unmanned aerial vehicle according to the present invention, in which fig. 1 is a front view, fig. 2 is a perspective view, and fig. 3 is a perspective view from another viewing angle direction.
Fig. 4 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 1, in which the direction indicated by the arrows is the direction of the spray.
Fig. 5 is a schematic view of the internal structure of the targeting sprayer for an unmanned aerial vehicle according to the present invention.
Fig. 6 is a schematic perspective view of the spraying mechanism of the present invention.
Fig. 7 is a schematic structural view of a fan assembly according to the present invention.
Fig. 8 is a schematic view of the drone targeting spray device of the present invention in various states of mist drift suppression, wherein the direction indicated by the horizontal arrow is the direction of drone movement.
Detailed Description
In order to make those skilled in the art understand the technical solutions of the present invention well, the present invention will be further described below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
Example 1
Referring to fig. 1 to fig. 3, the present embodiment discloses a targeting spraying device for an unmanned aerial vehicle, which includes a mounting base 1, a spraying mechanism 2, and a connecting arm 3 disposed between the mounting base 1 and the spraying mechanism 2; one end of the connecting arm 3 is connected with the mounting seat 1, and the other end of the connecting arm is connected with the spraying mechanism 2.
Referring to fig. 1 to 5, the spraying mechanism 2 includes a spraying duct 201, a spray head 202 disposed on the spraying duct 201, and a blower assembly; the spray head 202 is arranged at the center of one side of the spray duct 201, the blower assembly is arranged at the center of the other side of the spray duct 201, and the spray head 202 is located in front of the blower assembly.
Referring to fig. 1 to 5, a first rotation driving mechanism for driving the connecting arm 3 to rotate on the mounting base 1 is arranged between the mounting base 1 and the connecting arm 3; a second rotation driving mechanism for driving the spraying duct 201 to rotate on the connecting arm 3 is arranged between the spraying duct 201 and the connecting arm 3; the axis S1 of the spray duct 201 is perpendicular to the rotation center line S2 of the spray duct 201 on the connecting arm 3.
Referring to fig. 1 to 5, a rotation center line S3 of the connecting arm 3 on the mounting base 1 is perpendicular to a rotation center line S2 of the spraying mechanism 2 on the connecting arm 3. In this embodiment, the first rotation driving mechanism drives the connecting arm 3 to rotate on a horizontal plane, and the second rotation driving mechanism drives the spray duct 201 to rotate on a vertical plane. The purpose of adopting above-mentioned structure lies in for spraying mechanism 2 can rotate in two mutually perpendicular directions to realize that spraying mechanism 2 sprays towards all directions, and the flexibility is higher.
Referring to fig. 1-7, the fan assembly includes a grill 203 disposed at an air inlet of the spray duct 201, a first impeller 204 disposed on the grill 203, and a second impeller 205; the center of the grill 203 is provided with a mounting shaft 206, and the first impeller 204 and the second impeller 205 are mounted in the mounting shaft 206. In the above structure, the grating 203 can play a role of installing the first impeller 204 and the second impeller 205, and can also play a role of protecting the first impeller 204 and the second impeller 205; by providing two impellers (the first impeller 204 and the second impeller 205), the amount of air can be increased, and the spraying effect can be improved.
Referring to fig. 4 to 7, the first impeller 204 and the second impeller 205 are coaxially disposed, the inclination angle of the blades of the first impeller 204 is opposite to that of the blades of the second impeller 205, and the rotation directions of the first impeller 204 and the second impeller 205 are opposite. By adopting the structure, because the inclination angle of the blades of the first impeller 204 is opposite to that of the blades of the second impeller 205, even if the rotation directions of the first impeller 204 and the second impeller 205 are opposite, the directions of the wind blown by the first impeller 204 and the second impeller 205 are the same, and the direction of the blown wind is the same as the spraying direction of the spray head 202, the air volume can be increased on one hand, and on the other hand, the reverse rotation of the first impeller 204 in the outlet direction can weaken the rotation air volume of the airflow of the second impeller 205 in the inlet direction, so that the blown gas is gathered together and is not easy to diffuse, and linear airflow is generated, and the air can carry fog drops to farther targets, and the targeted spraying effect is improved.
Referring to fig. 4 to 7, a motor (not shown) is built in each of the first impeller 204 and the second impeller 205, and the first impeller 204 and the second impeller 205 are rotated by the motor. The number of the first impeller 204 is 4, and the number of the second impeller 205 is 5, in order to make the air blown out by the fan assembly gather more, in this embodiment, the rotating direction of the first impeller 204 is clockwise, and the rotating direction of the second impeller 205 is counterclockwise, as viewed from the nozzle to the spray duct 201.
Referring to fig. 1 to 5, a bracket 207 is arranged at an air outlet of the spray duct 201, and the bracket 207 is radially installed in the spray duct 201; the spray head 202 is mounted in the center of the holder 207. Through setting up above-mentioned structure for the support 207 structure becomes more firm, and shower nozzle 202 can remain stable state at the during operation, and in addition, shower nozzle 202 is located the support 207 center, is located the axis of spraying duct 201 promptly, has guaranteed the homogeneity of shower nozzle 202 spraying.
Referring to fig. 1-5, the spraying mechanism 2 further comprises a water pump, and a water pipe 208 connected between the water pump and the spray head 202; the side wall of the spray duct 201 is provided with a through hole 2011 for the water pipe 208 to pass through. Through setting up above-mentioned structure, the water pump can pump liquid medicine to shower nozzle 202 on, and shower nozzle 202 can the atomizing liquid medicine, with the liquid medicine blowout, through-hole 2011 can make things convenient for arranging of raceway 208.
The spraying mechanism 2 further comprises a water tank, the input end of the water pump is communicated with the water tank, the output end of the water pump is communicated with the water conveying pipe 208, and a filter screen is further arranged at the input end of the water pump.
Referring to fig. 1 to 6, a connecting member 4 is disposed between the connecting arm 3 and the spray duct 201, one end of the connecting member 4 is rotatably connected to the connecting arm 3, and the other end is connected to a side surface of the spray duct 201; the connecting piece 4 is provided with an L-shaped hole 401 through which the water conveying pipe 208 can pass conveniently, and the L-shaped hole 401 is communicated with the through hole 2011. Through setting up connecting piece 4, be convenient for the installation of spraying duct 201 and linking arm 3, raceway 208 is worn out from through-hole 2011 after L type hole 401, is connected with shower nozzle 202 at last, makes things convenient for arranging and moving towards of raceway 208 more for the structure becomes compacter.
Referring to fig. 5, the first rotary drive mechanism comprises a first drive motor 5 disposed between the mount 1 and the connecting arm 3; the shell of the first driving motor 5 is fixedly connected with the connecting arm 3, and the output shaft of the first driving motor 5 is connected with the mounting seat 1; the second rotation driving mechanism comprises a second driving motor 6 arranged between the connecting piece 4 and the connecting arm 3; the shell of the second driving motor 6 is fixedly connected with the connecting arm 3, and the output shaft of the second driving motor 6 is connected with the connecting piece 4. By adopting the structure, the output shaft is driven to rotate by the first driving motor 5, and the shell of the first driving motor 5 rotates relative to the output shaft due to the fact that the first driving motor 5 is installed and fixed on the unmanned aerial vehicle body, so that the connecting arm 3 is driven; the second driving motor 6 drives the output shaft to rotate, the output shaft drives the connecting piece 4 to rotate, and the connecting piece 4 can drive the spraying duct 201 to rotate; the two driving motors are controlled in a linkage manner, so that the spraying duct 201 can be directed to all directions, and finally, the spray head 202 can spray in all directions.
Referring to fig. 5, the connecting arm 3 is an L-shaped connecting arm, the inside of the connecting arm is a hollow structure, and both ends of the connecting arm 3 are provided with wire routing holes 301 communicated with the hollow structure, so that the hollow structure can reduce the weight of the connecting arm 3, the unmanned aerial vehicle can fly conveniently, the first driving motor 5 and the second driving motor 6 can be conveniently installed, and the wire routing holes 301 facilitate the wiring of the first driving motor 5 and the second driving motor 6.
Referring to fig. 1 to 7, the working principle of the targeting sprayer for the unmanned aerial vehicle is as follows:
the mounting seat 1 is mounted on an unmanned aerial vehicle body, and when spraying, the first rotation driving mechanism drives the connecting arm 3 to rotate, so that the spraying mechanism 2 is driven to rotate; rotate actuating mechanism through the second and drive spraying duct 201 rotatory on linking arm 3, it follows spraying duct 201 together rotatoryly to drive shower nozzle 202 and fan subassembly on the spraying duct 201, rotate actuating mechanism and second through first rotation actuating mechanism and work in coordination, make shower nozzle 202 on the spraying duct 201 spray towards the direction of difference, the fan subassembly is bloied towards the direction of shower nozzle 202 spraying, under the guide of spraying duct 201, make shower nozzle 202 spun fog drip further along with the air current, realize accurate target spraying.
Referring to fig. 8, in the process of suppressing spray drift of the targeting spraying device for the unmanned aerial vehicle in the embodiment, the flying speed of the unmanned aerial vehicle is higher, the deviation of a rotor wind field to the opposite direction of the advancing direction of the unmanned aerial vehicle is more, an anemoscope is fixed on the unmanned aerial vehicle body, the wind speed and the wind direction angle can be measured in real time through the anemoscope, the wind speed and the wind direction angle are fed back to a single chip microcomputer, the single chip microcomputer controls a first driving motor 5 and a second driving motor 6 to move according to the wind direction angle, the angle of a spraying duct 201 is adjusted, so that the spraying angle of a spraying head 202 is adjusted, the spraying head 202 faces the direction gradually far away from the rotor wind field, and the influence of the rotor wind field is reduced; the single chip microcomputer adjusts a fan component in the spraying duct 201 according to the wind speed, and adjusts the wind speed in the air outlet of the spraying duct 201; the larger the wind speed measured by the anemoscope is, the larger the wind speed in the air outlet of the spraying duct 201 is, and the accurate toward-target spraying is realized.
Referring to fig. 8, the direction that uses unmanned aerial vehicle perpendicular to ground is the benchmark, and the wind direction angle is contained angle G1 between the direction of rotor wind field skew and the direction of unmanned aerial vehicle perpendicular to ground, and the spraying angle is contained angle G2 between the direction that shower nozzle 202 faced and the direction of unmanned aerial vehicle perpendicular to ground, and the singlechip is according to the wind direction angle, and the adjustment spraying angle, contained angle G1 is the bigger, and contained angle G2 is also the bigger. Its aim at, unmanned aerial vehicle speed is faster, then rotor wind field skew is big more, contained angle G1 is also big more, the wind speed is also big more, it is just big more to the spraying influence, through single chip microcomputer control contained angle G2 grow, make shower nozzle 202 towards the direction of keeping away from rotor wind field gradually, reduce the influence of rotor wind field to the spraying, more be favorable to accurate target spraying, unmanned aerial vehicle's speed can influence the initial velocity of fog drop, make the fog drop have the initial velocity of a horizontal direction, through increase contained angle G2, can realize pre-aiming in advance, make the fog drop can be accurate fall into in the mark target.
Example 2
This embodiment discloses an unmanned aerial vehicle, including unmanned aerial vehicle body and embodiment 1 unmanned aerial vehicle use target atomizer, the axis position in the outside of unmanned aerial vehicle body rotor is fixed to the base.
The present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (10)
1. A targeting spraying device for an unmanned aerial vehicle is characterized by comprising a mounting seat, a spraying mechanism and a connecting arm arranged between the mounting seat and the spraying mechanism; one end of the connecting arm is connected with the mounting seat, and the other end of the connecting arm is connected with the spraying mechanism; wherein, the first and the second end of the pipe are connected with each other,
the spraying mechanism comprises a spraying duct, a spray head arranged on the spraying duct and a fan assembly; the spray head is arranged on one side of the spray duct, the fan assembly is arranged on the other side of the spray duct, and the spray head is positioned in front of the blowing assembly;
a first rotation driving mechanism for driving the connecting arm to rotate on the mounting seat is arranged between the mounting seat and the connecting arm; a second rotation driving mechanism for driving the spraying duct to rotate on the connecting arm is arranged between the spraying duct and the connecting arm; the axis of the spraying duct is perpendicular to the rotation center line of the spraying duct on the connecting arm.
2. The targeted spraying device for the unmanned aerial vehicle of claim 1, wherein a rotation center line of the connecting arm on the mounting seat is perpendicular to a rotation center line of the spraying mechanism on the connecting arm.
3. The targeted spraying device of claim 1, wherein the fan assembly comprises a grill disposed at the air inlet of the spray duct, a first impeller disposed on the grill, and a second impeller.
4. The targeted spraying device for the unmanned aerial vehicle according to claim 3, wherein the first impeller and the second impeller are coaxially provided, the inclination angle of the blades of the first impeller is opposite to the inclination angle of the blades of the second impeller, and the rotation directions of the first impeller and the second impeller are opposite.
5. The targeted spraying device for the unmanned aerial vehicle as claimed in claim 1, wherein a support is provided at an air outlet of the spraying duct, and the spray head is installed at the center of the support.
6. The targeting spraying device for the unmanned aerial vehicle as claimed in claim 1, wherein the spraying mechanism further comprises a water pump and a water pipe connected between the water pump and the spray head; and the side wall of the spraying duct is provided with a through hole for the water delivery pipe to pass through.
7. The aiming spraying device for the unmanned aerial vehicle as claimed in claim 1, wherein a connecting piece is arranged between the connecting arm and the spraying duct, one end of the connecting piece is rotatably connected with the connecting arm, and the other end of the connecting piece is connected with the side surface of the spraying duct; the connecting piece is provided with an L-shaped hole for the water delivery pipe to pass through.
8. The targeted spraying device of claim 7, wherein said first rotary drive mechanism comprises a first drive motor disposed between said mounting base and said connecting arm; the shell of the first driving motor is fixedly connected with the connecting arm, and the output shaft of the first driving motor is connected with the mounting seat; the second rotation driving mechanism comprises a second driving motor arranged between the connecting piece and the connecting arm; the shell of the second driving motor is fixedly connected with the connecting arm, and an output shaft of the second driving motor is connected with the connecting piece.
9. The targeted spraying device for the unmanned aerial vehicle as claimed in claim 1, wherein the connecting arm is internally hollow, and both ends of the connecting arm are provided with wiring holes communicated with the hollow structure.
10. An unmanned aerial vehicle comprising the drone targeting aerosol apparatus of any one of claims 1 to 9.
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| CN202211177659.5A CN115349507B (en) | 2022-09-23 | 2022-09-23 | Target spraying device for unmanned aerial vehicle and unmanned aerial vehicle |
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| CN115349507B (en) | 2023-09-15 |
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