CN114600861A - Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring - Google Patents

Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring Download PDF

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Publication number
CN114600861A
CN114600861A CN202210407743.5A CN202210407743A CN114600861A CN 114600861 A CN114600861 A CN 114600861A CN 202210407743 A CN202210407743 A CN 202210407743A CN 114600861 A CN114600861 A CN 114600861A
Authority
CN
China
Prior art keywords
aerial vehicle
unmanned aerial
stirring
plant protection
protection unmanned
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210407743.5A
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Chinese (zh)
Inventor
何立文
朱姜蓬
何勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Liangyi Technology Co ltd
Zhejiang University ZJU
Original Assignee
Hangzhou Liangyi Technology Co ltd
Zhejiang University ZJU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Liangyi Technology Co ltd, Zhejiang University ZJU filed Critical Hangzhou Liangyi Technology Co ltd
Priority to CN202210407743.5A priority Critical patent/CN114600861A/en
Publication of CN114600861A publication Critical patent/CN114600861A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0082Undercarriages, frames, mountings, couplings, tanks
    • A01M7/0085Tanks
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0025Mechanical sprayers
    • A01M7/0032Pressure sprayers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089Regulating or controlling systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/20Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
    • B05B15/25Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/16Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications

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  • 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)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Catching Or Destruction (AREA)

Abstract

The invention discloses a pneumatic-stirring pressurization plant protection unmanned aerial vehicle pesticide application box which comprises a closed box body, a turbocharger, a pneumatic stirrer, a spray rod and a nozzle, wherein the pneumatic stirrer is movably arranged on the closed box body, the bottom of the closed box body is communicated with the spray rod, the nozzle is arranged on the spray rod, the turbocharger is arranged on an exhaust pipe of an unmanned aerial vehicle engine, a compressor air outlet pipe of the turbocharger is communicated with a hollow stirring rod of the pneumatic stirrer, and the pneumatic stirrer can pressurize the closed box body. The turbocharger is introduced to pressurize the interior of the medicine box, so that the pneumatic stirrer stirs the liquid medicine, the pressure in the medicine box is kept sufficient and stable, the deposition of the liquid medicine is prevented, a better spraying effect can be realized, and the phenomenon of' running, overflowing and dripping is avoided; need not to spout the medicine pump, avoided its trouble phenomena such as jam, weeping, vibrations, high temperature, need not for spouting medicine pump and agitating unit power supply, alleviateed the weight of equipment complete machine, make things convenient for plant protection unmanned aerial vehicle's maintenance and maintenance.

Description

Pressurization plant protection unmanned aerial vehicle medicine application case of pneumatic stirring
Technical Field
The invention relates to the technical field of unmanned aerial vehicle pesticide application boxes, in particular to a pneumatically-stirred pressurized plant protection unmanned aerial vehicle pesticide application box.
Background
At present, the fertilizer and pesticide are advocated to reduce the application and improve the efficiency in agricultural production, variable spraying and accurate operation are needed to be realized in agricultural aviation plant protection operation, and the total usage amount of the fertilizer and the pesticide is reduced on the premise of meeting the requirement of spraying effect. The medical kit that plant protection unmanned aerial vehicle that is used for the spraying now carries all belongs to conventional atmospheric pressure formula medical kit of ventilating, and its medical kit is inside directly to be linked together with outside atmosphere, relies on to spout the medicine pump and extracts liquid and through the nozzle spraying, all is the change of the rotational speed in order to realize spouting the medicine flow of adjusting the medicine pump usually. But when the medicine spraying pump reduces rotational speed, flow reduces, liquid pressure also reduces thereupon, and this makes the nozzle can't carry out the spraying atomizing to the too low liquid of pressure, produces the phenomenon of running and spilling drip, seriously influences the spraying effect of medicine.
Disclosure of Invention
The invention aims to provide a pneumatically-stirred pressurizing pesticide application box of a plant protection unmanned aerial vehicle, which solves the problems in the prior art, ensures that the pesticide liquid is stirred while the pressure in the pesticide box is maintained sufficient and stable, and realizes a better spraying effect while the pesticide liquid is prevented from being deposited.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a pneumatic-stirring pressurization plant protection unmanned aerial vehicle pesticide application box which comprises a closed box body, a turbocharger, a pneumatic stirrer, a spray rod and a nozzle, wherein the pneumatic stirrer is movably arranged on the closed box body, the bottom of the closed box body is communicated with the spray rod, the nozzle is arranged on the spray rod, the turbocharger is arranged on an exhaust pipe of an engine of an unmanned aerial vehicle, a compressor air outlet pipe of the turbocharger is communicated with a hollow stirring rod of the pneumatic stirrer, and the pneumatic stirrer can pressurize the closed box body.
Preferably, the pneumatic stirrer comprises a hollow stirring rod, a stirring head and a stirring paddle, wherein the stirring head is rotatably arranged at the lower end of the stirring rod, the stirring head is symmetrically provided with at least one pair of stirring paddles, the stirring rod is communicated with the stirring head in sequence, and the stirring paddle is arranged on the side wall of the vertical surface and is provided with an exhaust hole.
Preferably, the upper end of the stirring rod is hermetically connected with the closed box body and the compressor air outlet pipe, and the compressor air outlet pipe is provided with an air inlet check valve.
Preferably, the stirring head is symmetrically provided with a pair of stirring paddles, each stirring paddle is a hollow triangular prism, and one side wall of each triangular prism is located in the vertical plane and is provided with at least two exhaust holes.
Preferably, the spraying rod is provided with a rotary ball valve, a rocker arm of the rotary ball valve is connected with a steering engine, and the steering engine and the turbocharger are in communication connection with the control unit.
Preferably, a flow sensor is arranged on the spray boom, the flow sensor is arranged between the rotary spherical valve and the nozzle, and the flow sensor is in communication connection with the control unit.
Preferably, an electromagnetic pressure regulating valve and a pressure sensor are arranged on the closed box body, and the electromagnetic pressure regulating valve and the pressure sensor are respectively in communication connection with the control unit.
Preferably, the closed box body is provided with a dosing port, and the dosing port is provided with a sealing cover.
Compared with the prior art, the invention has the following technical effects:
the invention introduces the turbocharger to generate compressed air to pressurize the interior of the medicine box, so that the pneumatic stirrer stirs the liquid medicine, simultaneously maintains the sufficiency and stability of the pressure in the medicine box, prevents the deposition of the liquid medicine, can realize better spraying effect and avoids the phenomenon of 'leakage and leakage' under the condition of reducing the flow; need not to install the medicine pump, avoided the medicine pump jam, weeping, vibrations, high temperature that often take place in the course of the work trouble phenomenon, no longer need for medicine pump and agitating unit power supply, alleviateed the weight of the task equipment that plant protection unmanned aerial vehicle carried on when flying, brought the convenience for plant protection unmanned aerial vehicle's maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a pneumatically-stirred pressurized pesticide applying tank of a plant protection unmanned aerial vehicle according to the present invention;
FIG. 2 is a schematic view of the construction of the pneumatic stirrer according to the present invention;
FIG. 3 is a schematic view of a turbocharger according to the present invention;
wherein: 1-compressor air outlet pipe, 2-closed box body, 3-stirring rod, 4-stirring head, 5-stirring paddle, 6-exhaust hole, 7-spray rod, 8-nozzle, 9-rotary ball valve, 10-steering engine, 11-electromagnetic pressure regulating valve, 12-pressure sensor, 13-control unit, 14-flow sensor and 15-dosing port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of protection of the present invention.
The invention aims to provide a pneumatically-stirred pressurizing pesticide application box of a plant protection unmanned aerial vehicle, which solves the problems in the prior art, ensures that the pesticide liquid is stirred while the pressure in the pesticide box is maintained sufficient and stable, and realizes a better spraying effect while the pesticide liquid is prevented from being deposited.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3: the embodiment provides a pressure boost plant protection unmanned aerial vehicle case that gives medicine to of pneumatic stirring, including seal box 2, turbo charger, pneumatic agitator, spray lance 7 and nozzle 8, the activity is provided with pneumatic agitator on the seal box 2, seal box 2's bottom intercommunication has spray lance 7, be provided with nozzle 8 on the spray lance 8, be provided with turbo charger on the blast pipe of unmanned aerial vehicle's engine, turbo charger's compressor outlet duct 1 communicates with 3 hollow puddlers of pneumatic agitator, pneumatic agitator can be to 2 pressure boost of seal box.
The pneumatic stirrer comprises a hollow stirring rod 3, a stirring head 4 and a stirring paddle 5, wherein the stirring head 4 (through a double-sided sealing bearing) is rotatably arranged at the lower end of the stirring rod 3, at least one pair of stirring paddles 5 are symmetrically arranged on the stirring head 4, the stirring rod 3, the stirring head 4 and the stirring paddles 5 are sequentially communicated, and the stirring paddle 5 is arranged on the side wall of a vertical surface and is provided with an exhaust hole 6. The upper end of the stirring rod 3 is hermetically connected with the closed box body 2 and the compressor air outlet pipe 1, and the compressor air outlet pipe 1 is provided with an air inlet one-way valve. A pair of stirring paddles 5 are symmetrically arranged on the stirring head 4, each stirring paddle 5 is a hollow triangular prism, and one side wall of each triangular prism is located in the vertical plane and is provided with at least two exhaust holes 6. Compressed gas enters the hollow stirring rod 3 in the medicine box through the one-way valve and then enters the rotatable stirring head 4 and the stirring paddle 5, finally compressed air is discharged through the exhaust holes 6 in the side wall of the stirring paddle 5, then the stirring paddle 5 is reversely pushed to start rotating, the stirring of the liquid medicine is realized at the same time when the pressure of spraying is increased, and the liquid medicine deposition can be effectively prevented.
In the embodiment, the spray lance 7 is further provided with a control unit 13, a rotary ball valve 9 is arranged on the spray lance 7, a rocker arm of the rotary ball valve 9 is connected with a steering engine 10, the steering engine 10 and a turbocharger are both in communication connection with the control unit 13, the servo steering engine 10 is used for controlling the opening ratio of the rotary ball valve 9, and therefore the flow in the spray lance 7 can be known. The spray lance 7 is provided with a flow sensor 14, the flow sensor 14 is arranged between the rotary spherical valve 9 and the nozzle 8, and the flow sensor 14 is in communication connection with the control unit 13 to feed back flow information in real time. The electromagnetic pressure regulating valve 11 and the pressure sensor 12 are arranged on the closed box body 2, the electromagnetic pressure regulating valve 11 and the pressure sensor 12 are respectively in communication connection with the control unit 13, and the opening and closing of the pressure regulating valve can be adjusted according to whether the pressure in the closed box body 2 reaches a set value or not, so that the constant pressure in the closed box body 2 is guaranteed, and the spraying effect is further guaranteed. The sealed box body 2 is provided with the medicine feeding port 15, and the sealed cover is arranged on the medicine feeding port 15, so that medicine can be conveniently fed while air pressure is prevented from leaking.
In the present embodiment, a turbocharger using engine exhaust energy as kinetic energy is mounted on the outlet pipe 1 of the engine compressor of the plant protection unmanned aerial vehicle, and the turbine of the turbocharger is connected with the outer compressor wheel through a connecting shaft (as shown in fig. 3). The gas from the turbocharger enters the pneumatic stirrer to be stirred in a rotating mode, when the pressure exceeds the set value of the control unit 13, the control unit 13 controls the pressure regulating valve to automatically open to release redundant gas, and the pressure in the sealed medicine chest is kept constant. The control unit 13 can adjust the opening of the rotary ball valve 9 by controlling the servo steering engine 10 according to the information fed back by the flow sensor 14 and the requirement of the medicine spraying amount, and the servo steering engine 10 is subjected to closed-loop control by PWM pulse signals, so that variable spraying of the liquid medicine is realized under the condition of sufficient and stable liquid medicine pressure.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.

Claims (8)

1. The utility model provides a pressure boost plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring which characterized in that: including airtight box, turbo charger, pneumatic agitator, spray lance and nozzle, the activity is provided with on the airtight box pneumatic agitator, the bottom intercommunication of airtight box has the spray lance, be provided with on the spray lance the nozzle is provided with on the blast pipe of unmanned aerial vehicle's engine turbo charger, turbo charger's compressor outlet duct with pneumatic agitator's hollow puddler intercommunication, pneumatic agitator can be right airtight box pressure boost.
2. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator kit according to claim 1, wherein: the pneumatic stirrer comprises a hollow stirring rod, a stirring head and a stirring paddle, wherein the stirring head is rotatably arranged at the lower end of the stirring rod, the stirring head is symmetrically provided with at least one pair of stirring paddles, the stirring rod is sequentially communicated with the stirring paddle, and the stirring paddle is arranged on the side wall of the vertical surface and is provided with an exhaust hole.
3. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator cartridge according to claim 2, wherein: the upper end of the stirring rod is hermetically connected with the closed box body and the compressor air outlet pipe, and the compressor air outlet pipe is provided with an air inlet check valve.
4. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator cartridge according to claim 2, wherein: the last symmetry of stirring head is provided with a pair ofly the stirring rake, the stirring rake is hollow triangular prism, a lateral wall of triangular prism is located the vertical face and has seted up two at least exhaust holes.
5. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator kit according to claim 1, wherein: the rotary spherical valve is arranged on the spray rod, a rocker arm of the rotary spherical valve is connected with a steering engine, and the steering engine and the turbocharger are both in communication connection with the control unit.
6. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator cartridge according to claim 5, wherein: and a flow sensor is arranged on the spray lance, is arranged between the rotary spherical valve and the nozzle and is in communication connection with the control unit.
7. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator cartridge according to claim 5, wherein: the closed box body is provided with an electromagnetic pressure regulating valve and a pressure sensor, and the electromagnetic pressure regulating valve and the pressure sensor are respectively in communication connection with the control unit.
8. A pneumatically agitated pressurized plant protection unmanned aerial vehicle applicator kit according to claim 1, wherein: the sealed box body is provided with a dosing port, and the dosing port is provided with a sealing cover.
CN202210407743.5A 2022-04-19 2022-04-19 Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring Pending CN114600861A (en)

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CN202210407743.5A CN114600861A (en) 2022-04-19 2022-04-19 Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring

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Application Number Priority Date Filing Date Title
CN202210407743.5A CN114600861A (en) 2022-04-19 2022-04-19 Pressurization plant protection unmanned aerial vehicle case of giving medicine to poor free of charge of pneumatic stirring

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114010350A (en) * 2021-10-28 2022-02-08 深圳市腾吉思海科技有限公司 Tooth punching method and device based on PWM stepless speed regulation
CN116477053A (en) * 2023-06-19 2023-07-25 西安富沃德光电科技有限公司 Unmanned aerial vehicle airborne spraying device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114010350A (en) * 2021-10-28 2022-02-08 深圳市腾吉思海科技有限公司 Tooth punching method and device based on PWM stepless speed regulation
CN114010350B (en) * 2021-10-28 2024-04-30 深圳市腾吉思海科技有限公司 Tooth flushing method and device based on PWM stepless speed regulation
CN116477053A (en) * 2023-06-19 2023-07-25 西安富沃德光电科技有限公司 Unmanned aerial vehicle airborne spraying device

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