Adaptive anti-drifting double-air-duct air-assisted electrostatic spraying machine and control method

Abstract

This invention belongs to the technical field of agricultural spraying equipment and discloses an adaptive anti-drift dual-duct wind-driven electrostatic sprayer and its control method. It includes a diversion guide hood and a double-layer pipe assembly, with spiral blades between the inner and outer ducts. When the inner duct is driven to rotate by a transmission component, the outer edge of the spiral blades scrapes away debris adhering to the inner wall of the outer duct, causing the outer low-speed airflow to form a converging spiral jet. The outlet of the annular duct is equipped with an adjustable-opening windbreak assembly. By acquiring crosswind data from wind direction and speed sensors, it automatically drives a folding baffle ring to retract the non-windward outlet when encountering strong unidirectional wind, concentrating the outer airflow to form an asymmetric anti-drift barrier. This invention provides semi-automatic mechanical cleaning and easy disassembly, while also adaptively resisting strong crosswind interference, reducing droplet drift and pesticide waste during spraying.

Description

Technical Field

[0001] This invention relates to the field of agricultural plant protection machinery technology, specifically to an adaptive anti-drift dual-duct wind-driven electrostatic sprayer and its control method. Background Technology

[0002] Air-assisted sprayers are essential equipment for pest and disease control in orchards, tea gardens, and farmland. Traditional single-duct sprayers rely on a single high-speed airflow to carry droplets through the crop canopy. During operation, droplet drift is severe, resulting in low pesticide utilization, wasted pesticide solution, and environmental pollution risks.

[0003] The dual-duct electrostatic sprayer is an improvement upon the single-duct design. It consists of an inner high-speed air duct and an outer low-speed air curtain, forming a dual-duct structure combined with electrostatic nozzles to create the spraying equipment. The outer low-speed air curtain encapsulates and confines the inner high-speed droplets, reducing droplet drift during spraying. The inner high-speed airflow penetrates the crop canopy and opens the leaves, allowing droplets to reach the underside of the leaves. The electrostatic nozzles imbue the droplets with static charge, enhancing their adsorption capacity on plant surfaces and significantly improving pesticide deposition rates.

[0004] However, existing dual-duct electrostatic sprayers still have the following shortcomings: First, the outer low-speed air curtain has limited anti-drift capability, especially in operating environments with strong winds on one side. The outer air curtain is unable to effectively resist lateral wind interference, and the anti-drift effect is almost non-existent, resulting in significant pesticide loss. Second, the dual-duct structure divides the air duct into inner and outer layers, and the cross-sectional area of ​​each layer is correspondingly reduced, making it more prone to clogging than a single air duct of the same size. In actual use, it is necessary to increase the fan power or widen the air duct to reduce the risk of clogging, leading to an increase in equipment size and cost. Third, since the inner and outer air ducts adopt a fixed connection structure, once adhesive debris enters the inner wall of the air duct, it is difficult to remove. The cleaning process is cumbersome and time-consuming, affecting the efficiency of equipment use. Fourth, existing dual-duct sprayers lack a sensing and response mechanism for the external wind field status and cannot adaptively adjust the output position and intensity of the outer air jet according to the actual wind field conditions, resulting in a significant decrease in the equipment's anti-drift capability in high wind environments. Summary of the Invention

[0005] Purpose of the invention: The purpose of this invention is to address the shortcomings of existing technologies by providing an adaptive anti-drift dual-duct wind-driven electrostatic sprayer and its control method. This not only achieves automated scraping and convenient cleaning of the inner wall of the duct, but also enhances the equipment's resistance to crosswinds and drift by adaptively changing the airflow output pattern.

[0006] Technical Solution: The adaptive anti-drift dual-duct electrostatic sprayer of the present invention includes a liquid tank, a drive fan, and a diversion guide hood. The diversion guide hood divides the airflow generated by the drive fan into an inner air stream and an outer air stream. It also includes: a double-layer pipe assembly disposed on the air outlet side of the diversion guide hood, comprising an outer air duct and an inner air duct. The inner air duct is rotatably coaxially disposed within the outer air duct. An annular air duct for the outer air stream is formed between the outer surface of the inner air duct and the inner wall of the outer air duct, and an inner air duct for the inner air stream is formed inside the inner air duct; a transmission assembly for driving the inner air duct to rotate inside the outer air duct; and helical blades. A spiral blade is fixedly installed on the outer surface of the inner duct and fills the annular air duct. The outer edge of the spiral blade abuts against the inner wall of the outer duct to guide the outer airflow into a rotating vortex output. It can also scrape off the attached debris on the inner wall of the outer duct as the inner duct rotates. A windbreak assembly is installed at the air outlet of the annular air duct, and its opening position and size are adjustable. A wind direction and speed sensor is installed outside the diversion hood or the outer duct and is communicatively connected to the windbreak assembly. The windbreak assembly can adaptively adjust the shape of the air outlet according to the detection signal of the wind direction and speed sensor so that the outer airflow is concentrated on the side with strong external wind force.

[0007] The present invention also provides a control method for the above-mentioned adaptive anti-drift dual-duct wind-driven electrostatic sprayer, comprising the following steps: acquiring environmental external wind direction and wind speed data collected by the wind direction and wind speed sensors; determining whether the wind speed data exceeds a preset strong wind threshold; when it is determined that there is a strong wind on one side of the external environment, generating an adaptive windbreak command; according to the adaptive windbreak command, driving the windbreak component to shrink the air outlet area of ​​the non-windward side, so that the outer wind beam, which is in the form of a rotating vortex, is concentrated on the side with strong external environmental wind force, forming an asymmetric airflow barrier to prevent drift.

[0008] Beneficial effects: Compared with the prior art, the advantages of the present invention are as follows:

[0009] This invention involves fixing helical blades within an annular duct between the outer and inner air ducts. As the outer low-speed airflow enters the annular duct, it is guided by the helical blades to generate a rotating vortex, gradually forming a helical jet. This helical jet exhibits centripetal contraction, making the outer low-speed airflow more concentrated and less prone to outward diffusion compared to ordinary laminar flow curtains. It also provides stronger containment of the central high-speed airflow, effectively reducing the outward drift of droplets during spraying operations.

[0010] This invention features a wind direction and speed sensor and an adjustable-aperture windbreak component at the air outlet, enabling real-time sensing of the external wind field. When a strong unidirectional wind is present, the windbreak component automatically adjusts its opening position, concentrating the outer wind beam output on the side of the strong wind, forming a directional wind barrier that effectively resists interference from high-intensity lateral wind fields on the droplet spray path.

[0011] In this invention, the inner duct is rotatably fitted inside the outer duct via a transmission assembly. When the inner duct rotates under the drive of a motor, the spiral blades rotate synchronously, and the edges of the blades generate relative friction with the inner wall of the outer duct, which can effectively scrape off the debris adhering to the inner wall, achieving active cleaning; for deep maintenance, the inner duct can be pulled out for individual cleaning, making the operation simple and quick.

[0012] The filter box located on the air intake side of the diversion hood is equipped with an activated carbon adsorption layer, a perforated metal mesh, and a thickened nylon filter in sequence. The three-stage filtration structure intercepts impurities and volatile organic compounds of different sizes in sequence, which not only prevents large debris from entering the air duct and causing blockage, but also adsorbs harmful gas components that may affect the atomization quality, thus protecting the core components.

[0013] The canopy duct is used to guide the airflow in the central area of ​​the inner air jet to enhance the concentration of the inner air jet along the jet direction.

[0014] The differential pressure sensor installed inside the external duct monitors the air pressure in real time. In the event of a blockage or abnormal air pressure, an alarm will be issued immediately. It can also increase the airflow force and mechanical scraping force by increasing the speed of the drive fan and accelerating the rotation of the internal duct to help clear minor blockages and ensure continuous operation of the equipment.

[0015] The electrostatic nozzle uses a built-in ring high-voltage generator to carry static charge on the droplets. Under the action of electrostatic force, the droplets actively adhere to the plant surface. Combined with the directional envelopment and guidance of the droplets by the spiral air jet, the droplets can be evenly deposited on the front and back of the leaves and the stems, significantly reducing pesticide loss. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the exhaust duct structure in this invention;

[0018] Figure 3 This is a schematic diagram of the flow diversion guide shroud structure in this invention;

[0019] Figure 4 This is a schematic diagram of a partial structure of the exhaust duct in this invention;

[0020] Figure 5 This is a schematic diagram of the internal air duct structure in this invention;

[0021] Figure 6 This is a schematic diagram of the side view of the exhaust pipe outlet end in this invention;

[0022] Figure 7 This is a cross-sectional view of the exhaust duct structure in this invention. Figure 1 ;

[0023] Figure 8 This is a cross-sectional view of the exhaust duct structure in this invention. Figure 2 ;

[0024] Figure 9 for Figure 8 A magnified view of the structure at point A in the middle.

[0025] Reference numerals: 1—Drug solution tank; 2—Cruise sensor; 3—Injection pipe; 4—Establishment base; 5—Drive fan; 6—Outer duct; 601—Outer protective cover; 602—Wind direction and speed sensor; 7—Rotating motor; 8—Flow divider hood; 801—Inner annular hood; 802—Outer duct; 803—Canopy duct; 804—Inner duct; 805—Filter box; 9—Annular groove; 10—Folding retaining ring; 11—Connector; 12—Inner duct; 13—Helical blade; 14—Rotating frame. Detailed Implementation

[0026] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings, but the scope of protection of the present invention is not limited to the embodiments described.

[0027] Example 1: Please refer to Figures 1-3 This invention provides an adaptive, anti-drift, dual-duct, wind-driven electrostatic sprayer, comprising a liquid tank 1. A mounting base 4 is symmetrically arranged on the lower side of the liquid tank 1. The mounting base 4 can be adapted to cover the drive wheels of a tractor, thereby securely mounting the entire machine on the tractor for operation. An injection pipe 3 is provided on the upper surface of the liquid tank 1; a cruise sensor 2 is provided at one end for detecting the operating status of the equipment and the operating environment route.

[0028] A drive fan 5 is fixedly installed at one end of the medicine tank 1, serving as the airflow power source for the entire unit. To improve the cleanliness of the incoming air, the drive fan 5 guides outside air through a filter box 805 fixedly installed on one side and then into the diversion air guide hood 8. Inside the filter box 805, an activated carbon adsorption layer, a perforated metal mesh, and a coarse nylon filter screen are sequentially fixed. The three layers of filter media work together to effectively intercept large particles, fine dust, and volatile organic pollutants in the outside air, preventing debris from entering the air duct and causing blockage.

[0029] The clean airflow generated by the driving fan 5 enters the diversion guide hood 8. The diversion guide hood 8 is externally fixed with an outer protective cover 601, and internally consists of a concentrically arranged and interlocking inner annular hood 801 and an outer cover. The gap between the two sets of covers forms the outer air duct 802, and the inner annular hood 801 forms the inner air duct 804. After passing through the diversion guide hood 8, the airflow is divided into two paths: the inner air duct 804 outputs a high-speed airflow for penetrating the crop canopy; the outer air duct 802 outputs a low-speed airflow for encapsulating mist droplets.

[0030] A canopy duct 803 is also concentrically located at the center of the inner duct 804. Since the airflow velocity at the center of the duct is usually the highest, by detecting the outlet velocity of the canopy duct 803, the operator or controller can use it to help determine the depth of the canopy that the droplets can reach, thus avoiding excessively high inner duct velocities that could cause droplets to directly penetrate the canopy and waste airflow.

[0031] Please see Figures 4 to 9 The air outlet of the diversion hood 8 is connected to a double-layer duct assembly, including an outer duct 6, an inner duct 12, and a spiral blade 13. The inner duct 12 is internally connected to the inner layer air duct 804 and the canopy air duct 803, and the annular gap between the outer duct 6 and the inner duct 12 is connected to the outer layer air duct 802.

[0032] The core breakthrough of this invention lies in the fact that the inner duct 12 is not fixedly connected to the outer duct 6, but is rotatably sleeved inside the outer duct 6 via a transmission assembly. The transmission assembly includes a rotating motor 7 fixed to the outer surface of the outer duct 6 and a rotating frame 14. The inner side of the rotating frame 14 is fixedly connected to the inner duct 12, and the outer side is embedded in the outer duct 6 and rotatably connected to it. An internal gear is fixedly installed at the output end of the rotating motor 7, and teeth that mesh with the internal gear are provided on the outer side of the rotating frame 14. When the rotating motor 7 is started, the meshing transmission of the gear teeth drives the rotating frame 14 to rotate, thereby causing the inner duct 12 to rotate synchronously inside the outer duct 6.

[0033] The spiral blades 13 are fixedly installed on the outer surface of the inner duct 12, completely filling the annular air duct. They play a dual core role in equipment operation:

[0034] 1) Aerodynamic guiding effect: During spraying operations, after the outer low-speed air jet enters the annular air duct, it is guided by the stationary or slowly rotating helical blades 13 to generate a rotating vortex, which gradually forms a helical jet. This helical air curtain with centripetal contraction characteristics does not easily diffuse outward and has a very strong binding force on the high-speed droplets in the center.

[0035] 2) Mechanical scraping action: When blockage occurs or routine cleaning is performed, the inner duct 12 rotates rapidly under the drive of the motor. The edge of the spiral blade 13 generates relative friction with the inner wall of the outer duct 6, effectively scraping away mud, medicine, and debris adhering to the inner wall like an auger. For deep cleaning, after disassembling the assembly connection between the rotating frame 14 and the outer duct 6 and releasing the constraint of the connecting piece 11 on the folding retaining ring 10, the inner duct 12 along with the spiral blade 13 can be pulled out of the outer duct 6 for cleaning.

[0036] A wind direction and speed sensor 602 is installed on the external end of the outer duct 6 away from the diversion hood 8. The wind direction and speed sensor 602 includes a wind direction measurement unit and a wind speed measurement unit. The wind direction measurement unit uses a single-wing vane and a photoelectric encoder to convert the wind direction angle into a digital electrical signal; the wind speed measurement unit uses a three-cup anemometer to output a frequency signal proportional to the wind speed. Both signals are sent to the controller to obtain the ambient wind direction and wind speed in real time.

[0037] A windbreak assembly, linked to wind direction and speed sensors, is installed at the air outlet of the annular duct to reshape the geometry of the air outlet. The windbreak assembly includes a flexible shield (i.e., a folding baffle ring 10) and a drive mechanism. The folding baffle ring 10 is a foldable rubber sealing gasket, forming a ring shape when fully unfolded. Its inner ring is rotatably connected to the inner duct 12 via a rotating sealing ring or bearing, and its outer ring is connected to at least one U-shaped frame connector 11. An annular groove 9 is formed on the air outlet face of the outer duct 6, with an electric slide rail installed inside. One end of the connector 11 is a thick rod fixed to the folding baffle ring 10, and the other end is a thin magnetic rod, slidably fitted within the annular groove 9. Figure 9 As shown in the magnified area A, to prevent interference, a section of the inner duct 12 with a smooth surface is left between the end of the spiral blade 13 near the air outlet and the folding baffle ring 10, so as to provide space for the folding baffle ring 10 to deform and avoid interference.

[0038] Using the spray axis of the sprayer as a reference, the circumferential area of ​​the annular air duct corresponding to the direction of the ambient crosswind is defined as the windward area, and the circumferential area opposite to the windward area is defined as the leeward area.

[0039] When crosswinds need to be countered, the electric sliding rail is activated, and the permanent magnet slider moves circumferentially along the annular groove 9 under electromagnetic induction. This causes the folding retaining ring 10 to deform, blocking part of the opening on the non-windward side. After reaching the appropriate position, the permanent magnet slider moves to the target position and is magnetically positioned with the annular guide rail to maintain the stability of the connecting piece 11. This forces the outer spiral jet to concentrate and blow towards the side with the strongest wind, forming a directional, thickened wind barrier.

[0040] The outlet end of the external air duct 6 is also equipped with an electrostatic nozzle, which contains an annular high-voltage generator and is protected by an insulating sleeve. During operation, the electrostatic nozzle generates a high-voltage electrostatic field at the outlet end, charging the droplets carrying the pesticide solution with static charge. Under the synergistic directional guidance of active electrostatic adsorption and the surrounding spiral anti-drift air duct, the droplets can be deposited evenly and over a large area on the front and back of crop leaves and stems.

[0041] Meanwhile, the external duct 6 also integrates a differential pressure sensor to monitor the internal air pressure in real time. Once an abnormal rise in air pressure is detected (indicating a blockage), the controller automatically triggers an alarm and instantly increases the speed of the drive fan 5 to increase the airflow force. This, combined with the rotation motor 7 driving the spiral blades 13 to mechanically scrape away the blockage, allows the auxiliary equipment to quickly restore smooth flow.

[0042] Example 2: Based on the electrostatic sprayer provided in Example 1, this example provides a control method for an adaptive anti-drift dual-duct air-assisted electrostatic sprayer. When the electrostatic sprayer is operating in the field, the controller continuously executes the following steps:

[0043] Step S1, acquire environmental data: The external wind direction and speed data in the working environment are collected in real time by the wind direction and speed sensor 602 (single-wing wind vane and photoelectric encoder), and the signal is transmitted to the controller of the sprayer.

[0044] Step S2, crosswind assessment: The controller compares the received wind speed data with the preset strong wind threshold. If the wind field is stable or the wind force is extremely low, the connecting part 11 of the windbreak component remains in its initial position, and the folding baffle ring 10 is in its maximum fully open state. At this time, the equipment sprays in the conventional annular wrap-around dual-channel mode, maintaining the conventional annular wrap-around spray state.

[0045] Step S3: Generate and issue displacement command: When it is determined that the external wind speed exceeds the preset threshold and there is obvious unidirectional strong side wind interference, the controller generates an adaptive opening displacement command based on the wind direction data and controls the electric slide rail to be energized.

[0046] Step S4, Directional Convergence and Wind Protection: Driven by the electric slide rail, the thin magnetic rod moves the connecting piece 11 circumferentially, pulling and folding the rubber baffle ring 10, thereby shrinking or blocking the air outlet area on the non-windward side. This forces the outer layer of wind, which originally output 360 degrees, to concentrate its output towards the side subjected to strong winds. Once in position, the thin magnetic rod is fixed by electromagnetic attraction. At this point, the outer layer of air curtain not only has the converging property of spiral vortex, but also forms a thickened local wind barrier on the windward side, successfully preventing high-speed droplets containing the medicine from being blown off course by the crosswind.

[0047] In addition, this control method also includes intelligent anti-blocking control logic: when the duct differential pressure sensor detects an abnormal change in internal air pressure (indicating severe accumulation of internal debris), the controller automatically issues an alarm signal and automatically triggers a self-cleaning program—briefly increasing the power of the drive fan 5, and simultaneously starting the rotating motor 7 to drive the inner duct 12 and the spiral blades 13 to rotate rapidly. By utilizing the dual effects of mechanical scraping and strong airflow flushing, local blockages in the duct are cleared, ensuring long-term continuous and reliable operation of the equipment.

[0048] As described above, although the invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. An adaptive anti-drift double-air-duct air-blast electrostatic spraying machine, comprising a liquid tank (1), a driving fan (5) and a split-flow air guide cover (8), the split-flow air guide cover (8) divides the airflow generated by the driving fan (5) into an inner layer air beam and an outer layer air beam, characterized in that, Also includes: A double-layer duct assembly is provided on the air outlet side of the diversion air guide hood (8), including an outer air duct (6) and an inner air duct (12). The inner air duct (12) is rotatably coaxially sleeved inside the outer air duct (6). An annular air duct for the outer air bundle to flow between the outer surface of the inner air duct (12) and the inner wall of the outer air duct (6) is formed. An inner air duct (804) for the inner air bundle to flow inside the inner air duct (12) is formed. A transmission assembly is used to drive the inner air duct (12) to rotate inside the outer air duct (6); The spiral blade (13) extends spirally along the outer periphery of the inner duct and divides the annular air duct to form a spiral guide channel. The outer edge of the spiral blade (13) approaches the inner wall of the outer duct (6) to guide the outer air bundle into a rotating vortex output, and can scrape off the attached debris on the inner wall of the outer duct (6) as the inner duct (12) rotates. A windbreak assembly is provided at the air outlet end of the annular air duct, and the position and size of the opening are adjustable; as well as A wind direction and speed sensor (602) is disposed outside the diversion wind guide hood (8) or the outer air duct (6) and is communicatively connected to the wind deflector assembly; the wind deflector assembly can adaptively adjust the shape of the air outlet according to the detection signal of the wind direction and speed sensor (602) so that the outer wind bundle is concentrated on the side with strong external wind force.

2. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, The windbreak assembly includes a flexible shield and a drive mechanism. The drive mechanism is located around the outer air duct (6) and is used to stretch or compress a local area of ​​the flexible shield to change the geometry of the air outlet.

3. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 2, characterized in that, The flexible shielding component is a foldable folding baffle ring (10), and the inner ring of the folding baffle ring (10) is connected to the air outlet of the inner air duct (12); the driving mechanism includes an electric slide rail arranged circumferentially in an annular groove (9) at the air outlet of the outer air duct (6), and at least one connector (11); one end of the connector (11) is fixedly connected to the folding baffle ring (10), and the other end is slidably assembled in the annular groove (9) and controlled by the electric slide rail to move circumferentially, so as to achieve asymmetrical shielding of the air outlet of the annular air duct.

4. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 3, characterized in that, The connector (11) is a U-shaped frame structure. One end of it is slidably assembled in the annular groove (9) and is provided with a permanent magnet slider. The electric slide rail includes an annular guide rail extending along the annular groove (9) and a linear driver for driving the permanent magnet slider to move along the annular guide rail. The permanent magnet slider is magnetically positioned with the annular guide rail at the target position. A preset gap is left between the end of the spiral blade (13) near the air outlet and the folding baffle (10), so that the surface of the inner air duct (12) forms a smooth section without spiral blades to avoid the folding baffle (10).

5. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, The external protective cover (601) is fixedly installed on the outside of the diversion wind guide hood (8). The diversion wind guide hood (8) is composed of an inner annular wind hood (801) and an outer cover body that are concentrically arranged and nested together. The gap between the two forms an outer air duct (802). The inner annular wind hood (801) forms an inner air duct (804) that communicates with the inner air duct (12). The center of the inner air duct (804) is further concentrically arranged with a canopy air duct (803) that enters the inner air duct (12) to guide the airflow in the central area of ​​the inner air duct.

6. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, The transmission assembly includes a rotating motor (7) fixedly installed on the outer surface of the outer air duct (6) and a rotating frame (14); the inner side of the rotating frame (14) is fixedly connected to the inner air duct (12), and the outer side is embedded in the outer air duct (6) and rotatably connected to the outer air duct (6); the output end of the rotating motor (7) is fixedly connected to an internal gear, and the outer side of the rotating frame (14) is provided with teeth that mesh with the internal gear.

7. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, The annular air duct is provided with pressure taps on the inlet and outlet sides respectively. Both pressure taps are equipped with air duct differential pressure sensors and are electrically connected to the controller. When the differential pressure detected by the air duct differential pressure sensor is greater than the preset differential pressure threshold, the controller issues an alarm signal, increases the speed of the drive fan (5), and drives the transmission component to accelerate rotation in order to clear the blockage in the air duct.

8. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, The wind direction and speed sensor (602) includes a wind direction measurement unit and a wind speed measurement unit; the air outlet of the external air duct (6) is also provided with an electrostatic nozzle, the electrostatic nozzle is provided with an annular high voltage generator and an insulating protective sleeve is provided on the outside.

9. The adaptive anti-drift dual-duct air-assisted electrostatic sprayer according to claim 1, characterized in that, A filter box (805) is fixedly installed on the air inlet side of the diversion air guide hood (8). An activated carbon adsorption layer, a metal perforated mesh and a nylon coarse filter are installed in sequence inside the filter box (805). A cruise sensor (2) and an injection pipe (3) are provided on the liquid medicine tank (1), and a mounting base (4) is symmetrically provided on the lower side of the liquid medicine tank (1).

10. A control method applied to an adaptive anti-drift dual-duct air-assisted electrostatic sprayer as described in any one of claims 1 to 9, characterized in that, The control method includes the following steps: Acquire environmental external wind direction and wind speed data collected by the wind direction and speed sensor (602); Determine whether the wind speed data exceeds a preset strong wind threshold; When it is determined that there is strong wind on one side of the external environment, an adaptive windbreak command is generated; According to the adaptive windbreak command, the windbreak component is driven to shrink the air outlet area of ​​the non-windward side, so that the outer wind bundle, which is in the form of a rotating vortex, is concentrated on the side with strong external wind force and output, forming an asymmetric airflow barrier to prevent drift.

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