CN113907059A - Fruit tree pesticide spraying device based on visual identification and identification method thereof - Google Patents

Fruit tree pesticide spraying device based on visual identification and identification method thereof Download PDF

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Publication number
CN113907059A
CN113907059A CN202111175027.0A CN202111175027A CN113907059A CN 113907059 A CN113907059 A CN 113907059A CN 202111175027 A CN202111175027 A CN 202111175027A CN 113907059 A CN113907059 A CN 113907059A
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China
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fruit tree
fixed
visual identification
spraying
pesticide
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CN202111175027.0A
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Chinese (zh)
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蒋仲铭
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Southwest University
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Southwest University
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Priority to CN202111175027.0A priority Critical patent/CN113907059A/en
Publication of CN113907059A publication Critical patent/CN113907059A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0025Mechanical sprayers
    • A01M7/0032Pressure sprayers
    • A01M7/0042Field sprayers, e.g. self-propelled, drawn or tractor-mounted
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0089Regulating or controlling systems

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

Abstract

The invention relates to the technical field of pesticide spraying, in particular to a fruit tree pesticide spraying device based on visual identification and an identification method thereof. A fruit tree pesticide spraying device based on visual identification comprises a movable underframe, a spraying mechanism and a visual identification system, wherein the spraying mechanism and the visual identification mechanism are fixed on the movable underframe; the movable chassis is used for fixing the movement of the device and other mechanisms; the spraying mechanism is used for spraying pesticide. According to the fruit tree spraying device, through the structural design of the spraying mechanism, the traditional manual pesticide spraying mode is changed into mechanical pesticide spraying mode, the use of manpower is effectively reduced, the damage of the sprayer which is tried to be carried on the back to a human body is also reduced, the fruit tree state can be effectively identified through the cooperation of the visual identification system, pesticide spraying to fruit trees which are not sick is avoided, pesticide is saved, and the spraying efficiency is also improved.

Description

Fruit tree pesticide spraying device based on visual identification and identification method thereof
Technical Field
The invention relates to the technical field of pesticide spraying, in particular to a fruit tree pesticide spraying device based on visual identification and an identification method thereof.
Background
Fruit trees refer to trees whose fruits are edible and can provide a general term for perennial plants of edible fruits and seeds and rootstocks thereof; in order to keep the fruit trees healthy and prevent the fruits from being gnawed by insects during the planting period of the fruit trees, pesticide is sprayed for protection;
the traditional pesticide is mainly sprayed to the fruit trees by a sprayer manually, and after the pesticide is mixed with water and is sprayed into aerial fog by the sprayer, so that all parts of the crown are uniformly coated with the pesticide, namely a spraying method; however, the traditional fruit tree pesticide spraying device has the disadvantages of more manpower and slower efficiency, and the manual work can cause damage to people by carrying the sprayer on back for a long time, so the fruit tree pesticide spraying device based on visual identification and the identification method thereof are provided according to the complaint problem.
Disclosure of Invention
The invention aims to provide a fruit tree pesticide spraying device based on visual identification and an identification method thereof, which aim to solve the existing problems that: traditional pesticide is mostly the manpower and uses the atomizer to spray the fruit tree, and traditional fruit tree pesticide uses the manpower more when spraying, and efficiency is slower, and the manual work is carrying the atomizer for a long time and also can cause the harm to the people.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fruit tree pesticide spraying device based on visual identification comprises a movable underframe and a spraying mechanism, wherein the spraying mechanism and the visual identification mechanism are fixed on the movable underframe;
the movable chassis is used for fixing the movement of the device and other mechanisms;
the spraying mechanism is used for spraying pesticide; .
Preferably, the movable underframe comprises a movable frame, two movable wheels and two universal wheels are arranged at the lower end of the movable frame, and a protective frame for protecting the visual recognition system is arranged at one end of the upper end of the movable frame.
Preferably, the spraying mechanism includes explosive barrel, liquid pump, unable adjustment base, swinging arms and spray arm, be provided with fixed subassembly between explosive barrel and the removal frame, the explosive barrel is fixed through fixed subassembly and removal frame, liquid pump and unable adjustment base all fix the upper end at the protecting frame, unable adjustment base's upper end is provided with the swinging arms, the upper end of swinging arms is fixed with the spray arm, the both sides of spray arm all are provided with a plurality of shower nozzles, the one end of liquid pump links to each other and extends to the inside bottom of explosive barrel through pipeline and explosive barrel, the other end of liquid pump also links to each other with the spray arm through the pipeline.
Preferably, the fixing assembly comprises a fixing underframe, an anti-rolling frame, a limiting baffle and a limiting fixture block, the fixing underframe is fixed at the upper end of the moving frame and one end far away from the protective frame, the limiting baffle is fixed on both sides of the fixing underframe, the limiting baffle is made of elastic material, and the limiting fixture block is arranged on the inner side of each limiting baffle on both sides of the fixing underframe;
two anti-rolling frames are sleeved at the positions, corresponding to the limiting baffle, on the outer side of the medicine barrel, limiting clamping grooves are formed in the two sides of each anti-rolling frame, and the limiting clamping blocks are connected with the limiting clamping grooves in a clamping mode; and a carrying handle is fixed between the upper ends of the two sides of the two anti-rolling frames, and the two anti-rolling frames are connected through the two carrying handles.
Preferably, a swinging assembly is further arranged between the fixed base and the swinging rod and used for driving the swinging rod to swing in a reciprocating manner.
Preferably, the swing subassembly includes driving motor, drive gear and driven ring gear, unable adjustment base's upper end still rotates and is connected with driven ring gear, the swinging arms is located the inboard of driven ring gear, unable adjustment base's outer end is fixed with driving motor, driving motor's output is fixed with drive gear, drive gear is connected for the meshing with driven ring gear, be fixed with the ejector pad on driven ring gear's the inner wall, the outside of swinging arms and the position department corresponding with the ejector pad are fixed with the dog, driven ring gear and swinging arms are not on same axis, unable adjustment base's inside and the bottom that is located the swinging arms still are provided with a torsional spring, the torsional spring is used for unable adjustment base to rotate back automatic re-setting.
A vision recognition system, said vision recognition system comprising at least the following modules: the liquid pump comprises acquisition equipment, a storage module, an identification module and a control module, wherein the signal output end of the control module is electrically connected with the signal receiving end of the liquid pump;
the collecting equipment is used for collecting the information of the fruit tree state;
the storage module is used for storing the fruit tree ill-conditioned picture;
the identification module is used for acquiring information acquired by equipment and comparing the information with the fruit tree ill-condition picture;
the control module is used for controlling the starting and stopping of the spraying mechanism.
Preferably, the vision recognition system further comprises a control box and a vertical rod, the control box is fixed in the protective frame, the storage module, the recognition module and the control module are all installed in the control box, the lower end of the vertical rod is fixed with the movable frame, and the collecting equipment is fixed at the upper end of the vertical rod.
Preferably, a power supply is further arranged inside the control box and used for supplying power to the equipment.
A fruit tree pesticide spraying device identification method based on visual identification comprises the following steps:
s1, storing a plurality of fruit tree morbid pictures in the visual identification system in advance before use;
s2, when in use, the state of the fruit tree is collected through collection equipment;
s3, comparing the collected fruit tree state with the pre-stored fruit tree morbid picture through the identification module;
s4, when the comparison accords with the diseased state of the fruit tree, the spraying mechanism is controlled to start to spray the pesticide to the fruit tree;
and S5, when the comparison does not accord with the diseased state of the fruit tree, stopping pesticide spraying on the fruit tree by controlling the spraying mechanism to be closed.
The invention has at least the following beneficial effects:
1. according to the fruit tree spraying device, through the structural design of the spraying mechanism, the traditional manual pesticide spraying mode is changed into mechanical pesticide spraying mode, the use of manpower is effectively reduced, the damage of the sprayer which is tried to be carried on the back to a human body is also reduced, the fruit tree state can be effectively identified through the cooperation of the visual identification system, pesticide spraying to fruit trees which are not sick is avoided, pesticide is saved, and the spraying efficiency is also improved.
2. According to the invention, through the structural design of the fixing component, the medicine barrel is stably fixed with the movable frame, and when the medicine barrel needs to be replaced, the medicine barrel can be conveniently and quickly detached, separated from the movable frame and replaced.
3. According to the invention, through the structural design of the swing assembly, the spraying mechanism can swing when spraying pesticides, so that the pesticide spraying range is effectively increased, and the coverage rate of the pesticides is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the liquid pump, the medicine barrel and the movable frame of the present invention;
FIG. 3 is a schematic view of the connection structure of the fixing member of the present invention;
FIG. 4 is a cross-sectional view of the attachment structure of the fixing assembly of the present invention;
FIG. 5 is a schematic view of the connection structure of the liquid pump, the stationary base, the swing lever and the spray lever of the present invention;
FIG. 6 is a top view of the swing assembly of the present invention;
FIG. 7 is a schematic diagram of a visual identification system according to the present invention;
FIG. 8 is a flow chart of a visual identification method of the present invention.
In the figure: 1. a movable frame; 2. fixing the underframe; 3. a medicine barrel; 4. a roll cage; 5. a limit baffle; 6. a limiting clamping block; 7. a limiting clamping groove; 8. a liquid pump; 9. a fixed base; 10. a swing lever; 11. a spray bar; 12. a drive motor; 13. a drive gear; 14. a driven gear ring; 15. a stopper; 16. a push block; 17. a control box; 18. erecting a rod; 19. collecting equipment; 20. and (5) carrying the handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
referring to fig. 1-7, a fruit tree pesticide spraying device based on visual identification comprises a movable underframe, a spraying mechanism and a visual identification system, wherein the spraying mechanism and the visual identification mechanism are both fixed on the movable underframe;
the movable chassis is used for fixing the movement of the device and other mechanisms;
specifically, the movable underframe comprises a movable frame 1, two movable wheels and two universal wheels are arranged at the lower end of the movable frame 1 for facilitating the movement of the device, and a protective frame for protecting a visual recognition system is arranged at one end of the upper end of the movable frame 1 for reducing collision of the visual recognition system;
the spraying mechanism is used for spraying pesticide;
specifically, the spraying mechanism comprises a medicine barrel 3, a liquid pump 8, a fixed base 9, a swinging rod 10 and a spraying rod 11, so that the medicine barrel 3 can be conveniently fixed with the movable frame 1 and can be conveniently detached when the medicine barrel 3 needs to be replaced, a fixing assembly is arranged between the medicine barrel 3 and the movable frame 1, and the medicine barrel 3 is fixed with the movable frame 1 through the fixing assembly; the liquid pump 8 and the fixed base 9 are both fixed at the upper end of the protective frame, the upper end of the fixed base 9 is provided with a swinging rod 10, the upper end of the swinging rod 10 is fixed with a spraying rod 11, two sides of the spraying rod 11 are both provided with a plurality of nozzles, one end of the liquid pump 8 is connected with the medicine barrel 3 through a pipeline and extends to the bottom end inside the medicine barrel 3, and the other end of the liquid pump 8 is also connected with the spraying rod 11 through a pipeline;
in summary, the pesticide stored in the pesticide barrel 3 can be guided into the spraying rod 11 through the pipeline by starting the liquid pump 8, and the pesticide is sprayed outwards through the plurality of spray heads arranged at the two sides of the spraying rod 11;
the fixing assembly comprises a fixing bottom frame 2, an anti-rolling frame 4, limiting baffles 5 and limiting fixture blocks 6, the fixing bottom frame 2 is fixed at the upper end of the moving frame 1 and one end far away from the protective frame, the medicine barrel 3 is positioned and placed through the fixing bottom frame 2, the medicine barrel 3 is limited conveniently, the limiting baffles 5 are fixed on two sides of the fixing bottom frame 2, the limiting baffles 5 are made of elastic materials, and the limiting fixture blocks 6 are arranged on the inner sides of the limiting baffles 5 on two sides of the fixing bottom frame 2;
in order to fix and separate the medicine barrel 3 from the movable frame 1 conveniently, two anti-rolling frames 4 are sleeved at the positions, corresponding to the limiting baffle plates 5, of the outer side of the medicine barrel 3, limiting clamping grooves 7 are formed in two sides of each anti-rolling frame 4, and the limiting clamping blocks 6 are connected with the limiting clamping grooves 7 in a clamping mode; in order to facilitate the carrying of the medicine barrel 3, a carrying handle 20 is fixed between the upper ends of the two sides of the two anti-rolling frames 4, and the two anti-rolling frames 4 are connected through the two carrying handles 20;
in conclusion, when the medicine barrel 3 is placed at the upper end of the fixed bottom frame 2, the anti-rolling frame 4 and the limiting baffle 5 cannot be separated through the clamping connection of the limiting clamping block 6 and the limiting clamping groove 7, so that the medicine barrel 3 is fixed with the movable frame 1, when the medicine barrel 3 needs to be disassembled and separated from the movable frame 1, the limiting baffle 5 can be pulled outwards, the limiting baffle 5 is bent through the material characteristics of the limiting baffle 5, the limiting clamping block 6 is further moved out from the limiting clamping groove 7, so that the limiting between the anti-rolling frame 4 and the limiting baffle 5 is relieved, the medicine barrel 3 can be taken down from the fixed bottom frame 2 through the carrying handle 20, and the separation of the medicine barrel 3 and the movable frame 1 is completed;
further, in order to ensure the coverage rate of pesticide more uniformly when spraying the pesticide, a swinging assembly is arranged between the fixed base 9 and the swinging rod 10 and is used for driving the swinging rod 10 to swing back and forth;
specifically, the swinging assembly comprises a driving motor 12, a driving gear 13 and a driven gear ring 14, the upper end of the fixed base 9 is also rotatably connected with the driven gear ring 14, the swinging rod 10 is positioned at the inner side of the driven gear ring 14, in order to drive the driven gear ring 14 to rotate, the outer end of the fixed base 9 is fixedly provided with the driving motor 12, the output end of the driving motor 12 is fixedly provided with the driving gear 13, and the driving gear 13 is in meshed connection with the driven gear ring 14;
in order to drive the swing rod 10 to swing through the rotation of the driven gear ring 14, a push block 16 is fixed on the inner wall of the driven gear ring 14, a stop block 15 is fixed on the outer side of the swing rod 10 and at a position corresponding to the push block 16, the driven gear ring 14 and the swing rod 10 are not on the same axis, a torsion spring is further arranged inside the fixed base 9 and at the bottom end of the swing rod 10, and the torsion spring is used for automatic resetting after the fixed base 9 rotates;
in conclusion, the driving gear 13 is meshed with the driven gear ring 14, so that the driving motor 12 is started to drive the driven gear ring 14 to rotate, a push block 16 fixed by the inner wall of the driven gear ring 14 is contacted with a stop block 15 fixed at the outer side of the swing rod 10, thereby driving the swing rod 10 to rotate, and through the fixed base 9 and the swing rod 10 not being on the same axis, so that when the driven gear ring 14 drives the pushing block 16 to rotate to the side of the swing rod 10 far away from the stop 15, the pushing block 16 is separated from the stop block 15, and the torsion spring at the bottom end of the swing rod 10 drives the swing rod 10 to rotate reversely and reset, so as to complete the swing of the swing rod 10, the driven gear ring 14 drives the push block 16 to rotate continuously, so that each time the push block 16 rotates to one end of the stop block 15, the pushing stop block 15 drives the swing rod 10 to rotate, and the swing rod 10 is reset through a torsion spring after separation;
the spraying rod 11 at the upper end of the swinging rod 10 is driven to swing through the swinging of the swinging rod 10, and the effect of expanding the spraying range is achieved.
Example 2:
a visual recognition system at least comprises the following modules: the device comprises a collection device 19, a storage module, an identification module and a control module, wherein the signal output end of the control module is electrically connected with the signal receiving end of the liquid pump 8;
the collecting equipment 19 is used for collecting information of fruit tree states;
the storage module is used for storing the fruit tree ill-conditioned picture;
the identification module is used for comparing the information acquired by the acquisition equipment 19 with the fruit tree ill-conditioned picture;
the control module is used for controlling the starting and stopping of the spraying mechanism;
specifically, the visual recognition system further comprises a control box 17 and an upright rod 18, the control box 17 is fixed in the protective frame, the storage module, the recognition module and the control module are all installed in the control box 17, the lower end of the upright rod 18 is fixed with the movable frame 1, and the acquisition equipment 19 is fixed at the upper end of the upright rod 18;
wherein, the inside power that still is provided with of control box 17 for the power supply of equipment.
Example 3:
referring to fig. 8, on the basis of the above embodiment 2, the identification method is disclosed:
the first step is as follows: before use, storing a plurality of fruit tree morbid pictures in a visual identification system in advance;
secondly, when in use, the state of the fruit tree is collected through the collecting equipment 19;
thirdly, comparing the collected fruit tree state with a pre-stored fruit tree morbid picture through an identification module;
fourthly, when the comparison accords with the diseased state of the fruit trees, the spraying mechanism is controlled to start to spray the pesticide to the fruit trees;
and fifthly, when the comparison does not accord with the diseased state of the fruit tree, stopping pesticide spraying on the fruit tree by controlling the spraying mechanism to be closed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A fruit tree pesticide spraying device based on visual identification is characterized by comprising a movable underframe and a spraying mechanism, wherein the spraying mechanism and the visual identification mechanism are fixed on the movable underframe;
the movable chassis is used for fixing the movement of the device and other mechanisms;
the spraying mechanism is used for spraying pesticide.
2. The fruit tree pesticide spraying device based on visual identification as claimed in claim 1, wherein the movable chassis comprises a movable frame (1), two movable wheels and two universal wheels are arranged at the lower end of the movable frame (1), and a protective frame for protecting a visual identification system is arranged at one end of the upper end of the movable frame (1).
3. The fruit tree pesticide spraying device based on visual identification as claimed in claim 1, the spraying mechanism comprises a medicine barrel (3), a liquid pump (8), a fixed base (9), a swinging rod (10) and a spraying rod (11), a fixing component is arranged between the medicine barrel (3) and the movable frame (1), the medicine barrel (3) is fixed with the movable frame (1) through the fixing component, the liquid pump (8) and the fixed base (9) are both fixed at the upper end of the protective frame, the upper end of the fixed base (9) is provided with a swing rod (10), the upper end of the swing rod (10) is fixed with a spray rod (11), a plurality of spray heads are arranged on both sides of the spray rod (11), one end of the liquid pump (8) is connected with the medicine barrel (3) through a pipeline and extends to the bottom end inside the medicine barrel (3), the other end of the liquid pump (8) is also connected with the spraying rod (11) through a pipeline.
4. The fruit tree pesticide spraying device based on visual identification as claimed in claim 3, wherein the fixing assembly comprises a fixed underframe (2), an anti-rolling frame (4), a limiting baffle (5) and a limiting fixture block (6), the fixed underframe (2) is fixed at the upper end of the movable frame (1) and at one end far away from the protective frame, the limiting baffle (5) is fixed on both sides of the fixed underframe (2), the limiting baffle (5) is made of elastic material, and the limiting fixture block (6) is arranged on the inner side of the limiting baffle (5) on both sides of the fixed underframe (2);
two anti-rolling frames (4) are sleeved at the positions, corresponding to the limiting baffle (5), of the outer side of the medicine barrel (3), limiting clamping grooves (7) are formed in the two sides of each anti-rolling frame (4), and the limiting clamping blocks (6) are connected with the limiting clamping grooves (7) in a clamping mode; and a carrying handle (20) is fixed between the upper ends of the two sides of the two anti-rolling frames (4), and the two anti-rolling frames (4) are connected through the two carrying handles (20).
5. The fruit tree pesticide spraying device based on visual identification as claimed in claim 3, wherein a swinging assembly is further arranged between the fixed base (9) and the swinging rod (10), and the swinging assembly is used for driving the swinging rod (10) to swing back and forth.
6. The fruit tree pesticide spraying device based on visual identification as claimed in claim 5, wherein the swinging assembly comprises a driving motor (12), a driving gear (13) and a driven gear ring (14), the upper end of the fixed base (9) is further rotatably connected with the driven gear ring (14), the swinging rod (10) is located on the inner side of the driven gear ring (14), the outer end of the fixed base (9) is fixed with the driving motor (12), the output end of the driving motor (12) is fixed with the driving gear (13), the driving gear (13) is in meshed connection with the driven gear ring (14), a pushing block (16) is fixed on the inner wall of the driven gear ring (14), a stop block (15) is fixed on the outer side of the swinging rod (10) and at a position corresponding to the pushing block (16), and the driven gear ring (14) and the swinging rod (10) are not on the same axis, the inside of unable adjustment base (9) just is located the bottom of swinging arms (10) and still is provided with a torsional spring, the torsional spring is used for unable adjustment base (9) to rotate back automatic re-setting.
7. A visual identification system for the fruit tree pesticide spraying device based on visual identification, which is characterized in that: the visual recognition system at least comprises the following modules: the device comprises acquisition equipment (19), a storage module, an identification module and a control module, wherein the signal output end of the control module is electrically connected with the signal receiving end of the liquid pump (8);
the collecting equipment (19) is used for collecting information of fruit tree states;
the storage module is used for storing the fruit tree ill-conditioned picture;
the identification module is used for comparing the information acquired by the acquisition equipment (19) with the fruit tree ill-conditioned picture;
the control module is used for controlling the starting and stopping of the spraying mechanism.
8. A visual identification system according to claim 7, characterized in that it further comprises a control box (17) and an upright (18), said control box (17) being fixed in a protective frame, said storage module, identification module and control module being mounted in the control box (17), the lower end of said upright (18) being fixed to the mobile frame (1), said collecting device (19) being fixed to the upper end of the upright (18).
9. A visual identification system according to claim 7, characterised in that a power supply is also provided inside the control box (17) for powering the device.
10. A method for identifying a fruit tree pesticide spraying device based on visual identification, which is used for the visual identification system as claimed in any one of claims 7 to 9, and is characterized by comprising the following steps:
s1, storing a plurality of fruit tree morbid pictures in the visual identification system in advance before use;
s2, when in use, the state of the fruit tree is collected through the collecting equipment (19);
s3, comparing the collected fruit tree state with the pre-stored fruit tree morbid picture through the identification module;
s4, when the comparison accords with the diseased state of the fruit tree, the spraying mechanism is controlled to start to spray the pesticide to the fruit tree;
and S4, when the comparison does not accord with the diseased state of the fruit tree, stopping pesticide spraying on the fruit tree by controlling the spraying mechanism to be closed.
CN202111175027.0A 2021-10-09 2021-10-09 Fruit tree pesticide spraying device based on visual identification and identification method thereof Pending CN113907059A (en)

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