CN114946808B - Device for reducing fog drop drift and plant protection unmanned aerial vehicle - Google Patents
Device for reducing fog drop drift and plant protection unmanned aerial vehicle Download PDFInfo
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- CN114946808B CN114946808B CN202210607942.0A CN202210607942A CN114946808B CN 114946808 B CN114946808 B CN 114946808B CN 202210607942 A CN202210607942 A CN 202210607942A CN 114946808 B CN114946808 B CN 114946808B
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- 239000007921 spray Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 36
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000003595 mist Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 239000000575 pesticide Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Images
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Aviation & Aerospace Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Remote Sensing (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a device for reducing fog drop drift and a plant protection unmanned aerial vehicle, wherein the device for reducing fog drop drift is arranged on a spray head module of the plant protection unmanned aerial vehicle, the device for reducing fog drop drift comprises a plurality of supporting seats and shielding plates, the supporting seats are sleeved on the spray head module, and the shielding plates are distributed on the supporting seats at intervals along the circumferential direction of the spray head module; wherein, plant protection unmanned aerial vehicle flight in-process, the shielding plate can rotate in order to produce down whirlwind air current under the drive in natural wind field. This reduce device of droplet drift can rotate relative plant protection unmanned aerial vehicle's shower nozzle module, can rotate and produce down whirl under the effect in natural wind field, when sheltering from external wind-force and reduce the droplet drift, still helps coerceing the droplet and subsides to the target, has shortened the motion time of droplet in the air, has reduced the evaporation loss of droplet, has promoted the sedimentation rate of droplet.
Description
Technical Field
The invention relates to the technical field of plant protection equipment, in particular to a device for reducing droplet drifting and a plant protection unmanned aerial vehicle.
Background
When the plant protection unmanned aerial vehicle is used for pesticide application, the drifting process of the pesticide liquid fog drops can be divided into two stages, the first stage is the drifting formation and is characterized in that fine fog drops are separated from fog drop groups sprayed by the spray head due to airflow generated by the running of the plant protection unmanned aerial vehicle, the small fog drop groups are most likely to drift, the small fog drop groups are carried out of a target area by lateral wind in the second stage, and the small fog drop groups are only influenced by meteorological factors (such as wind speed, temperature and humidity) in the second stage. In order to reduce the drift of the mist droplets, a cover cap is generally installed near the spray head in the prior art, so that the air flow speed and direction around the spray head are changed, but the anti-drift effect of the cover cap is relatively poor, and the mist droplet deposition rate cannot be improved well.
Disclosure of Invention
The first purpose of the invention is to provide a device for reducing fog drop drift, which can rotate relative to a spray head module of a plant protection unmanned aerial vehicle, can rotate under the action of a natural wind field and generate a downward whirling airflow, and is beneficial to forcing fog drops to settle towards a target while shielding external wind power to reduce the fog drop drift, so that the moving time of the fog drops in the air is shortened, the evaporation loss of the fog drops is reduced, and the deposition rate of the fog drops is improved.
The second purpose of the invention is to provide a plant protection unmanned aerial vehicle, which can better reduce fog drop drifting and improve fog drop deposition rate, thereby improving pesticide application efficiency of the plant protection unmanned aerial vehicle.
In order to realize the technical effects, the technical scheme of the invention is as follows:
the invention discloses a device for reducing fogdrop drifting, which is arranged on a spray head module of a plant protection unmanned aerial vehicle, and comprises: the supporting seat is sleeved on the spray head module; a plurality of shielding plates are distributed on the supporting seat at intervals along the circumferential direction of the sprayer module; in the flight process of the plant protection unmanned aerial vehicle, the shielding plate can rotate under the driving of a natural wind field to generate a downward cyclone.
In some embodiments, a plurality of the shielding plates are arranged in pairs, one end of each of the two shielding plates arranged in pairs is connected with the supporting seat, and the other ends of the two shielding plates are connected with each other through a connecting rod.
In some specific embodiments, the supporting seat includes a supporting cylinder and a plurality of branch supporting rods, the branch supporting rods are distributed along the circumferential direction of the supporting cylinder at intervals, the supporting cylinder is sleeved on the spray head module, and one end of each branch supporting rod is connected with the shielding plate.
In some more specific embodiments, each of the shielding plates includes a shielding plate body and a first insertion part and a second insertion part connected to both ends of the shielding plate body; one end of the branch rod is provided with a first inserting hole matched with the first inserting part; and the two ends of the connecting rod are respectively provided with a second inserting hole matched with the second inserting part.
In some embodiments, the device for reducing the fog drop drift further comprises a mounting seat, the mounting seat is connected to the spray head module, the mounting seat is provided with a mounting hole and an annular limiting groove, one end of the supporting seat is matched with the mounting hole, and one end of the shielding plate is provided with a limiting block matched with the annular limiting groove.
In some specific embodiments, the support seat is fitted with a bearing on one end of the mounting hole.
In some specific embodiments, a third insertion hole is formed in one end of the shielding plate, the limiting block comprises a limiting portion and a matching portion, the limiting portion is matched in the annular limiting groove, and the matching portion is matched in the third insertion hole.
In some specific embodiments, the mount includes: the mounting plate is provided with the mounting hole and the annular limiting groove; the sleeve is sleeved on the spray head module and is arranged at an interval with the mounting disc; and one end of the reinforcing rib is connected with the mounting disc, and the other end of the reinforcing rib is connected with the sleeve.
The invention also discloses a plant protection unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, a spray head module and the device for reducing the fogdrop drifting, wherein the spray head module is connected below the propeller of the unmanned aerial vehicle body, and the device for reducing the fogdrop drifting is arranged around the spray head module.
In some embodiments, the shower nozzle module includes shower nozzle bracing piece and shower nozzle body, the one end of shower nozzle bracing piece is connected the horn of unmanned aerial vehicle body and is kept away from the one end of fuselage and be located the below of screw, and the other end is connected on the shower nozzle body.
The device for reducing the fogdrop drifting has the beneficial effects that: the shielding plates are arranged in a plurality of circumferential directions around the spray head module, so that the influence of an external wind field on the fog drops can be weakened, and the drift amount of the fog drops is reduced; because the supporting seat cover is established on the shower nozzle module, when the unmanned aerial vehicle of plant protection flight in-process, the air current along the unmanned aerial vehicle flight direction of plant protection can drive the shielding plate and rotate, and a plurality of shielding plates rotate the in-process and just can form vertical decurrent wind field to help the droplet deposit, promote the droplet deposition rate.
The plant protection unmanned aerial vehicle has the beneficial effects that: due to the fact that the device for reducing the fog drop drifting is arranged, the plant protection unmanned aerial vehicle can well reduce the fog drop drifting and improve the fog drop deposition rate, and therefore the pesticide application efficiency of the plant protection unmanned aerial vehicle is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of an apparatus for reducing droplet drift in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural view of another direction of the device for reducing the fog droplet drift according to the embodiment of the invention;
FIG. 3 is a schematic structural view of a shielding plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a support base according to an embodiment of the invention;
FIG. 5 is a schematic structural view of a mount of an embodiment of the invention;
fig. 6 is a schematic structural diagram of a plant protection unmanned aerial vehicle according to an embodiment of the present invention.
Reference numerals:
1. a supporting seat; 11. a support cylinder; 12. branch rods are arranged; 121. a first plug hole;
2. a shielding plate; 21. a baffle body; 22. a first insertion part; 221. a third plug hole; 23. second plug part
3. A mounting seat; 31. mounting a disc; 311. mounting holes; 312. an annular limiting groove; 32. a sleeve; 33. reinforcing ribs;
4. a connecting rod; 41. a second plug hole;
5. a limiting block; 51. a limiting part; 52. a fitting portion;
6. a bearing;
7. a nozzle module; 71. a nozzle support bar; 72. a nozzle body;
8. unmanned aerial vehicle body.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The specific structure of the device for reducing the droplet drift according to the embodiment of the present invention will be described with reference to fig. 1 to 5.
The invention discloses a device for reducing fog drop drift, which is arranged on a spray head module 7 of a plant protection unmanned aerial vehicle, and as shown in figures 1-2, the device for reducing fog drop drift comprises a supporting seat 1 and a plurality of shielding plates 2, wherein the supporting seat 1 is sleeved on the spray head module 7, the shielding plates 2 are distributed on the supporting seat 1 at intervals along the circumferential direction of the spray head module 7, and the shielding plates 2 can rotate under the driving of a natural wind field to generate a downward-swirling air flow in the flight process of the plant protection unmanned aerial vehicle. It can be understood that, because shielding plate 2 is a plurality of and encircles the circumference setting of shower nozzle module 7, just so can weaken the influence of external wind field to the droplet, thereby reduce the drift volume of droplet, meanwhile, because 1 cover of supporting seat is established on shower nozzle module 7, when plant protection unmanned aerial vehicle flight in-process, the air current along plant protection unmanned aerial vehicle flight direction can drive shielding plate 2 and rotate, a plurality of shielding plates 2 rotate the in-process and just can form vertical decurrent wind field, thereby help the droplet deposit, promote the droplet deposition rate.
In some embodiments, as shown in fig. 2, a plurality of shielding plates 2 are provided in pairs, and two shielding plates 2 provided in pairs have one end connected to the supporting base 1 and the other end connected to each other by a connecting rod 4. It can be understood that the shielding plates 2 are arranged in pairs, so that the rotation consistency of the plurality of shielding plates 2 can be better ensured, the rotation speed of the shielding plates 2 is appropriately reduced, and the phenomenon that the mist deposition is adversely affected due to the fact that the shielding plates 2 rotate too fast is avoided. In addition, compared with a plurality of independently arranged shielding plates 2, the shielding plates 2 arranged in pairs are driven by a free wind field to generate lower cyclone flow more easily, so that the deposition rate of the fog drops is improved.
In some specific embodiments, as shown in fig. 4, the supporting seat 1 includes a supporting cylinder 11 and a plurality of branch rods 12, the plurality of branch rods 12 are distributed at intervals along the circumference of the supporting cylinder 11, the supporting cylinder 11 is sleeved on the nozzle module 7, and one end of each branch rod 12 is connected to the shielding plate 2. It can be understood that, compared with the case of forming a disc structure, the supporting seat 1 is formed into a disc structure having the radial branch rods 12, which can reduce the mass of the supporting seat 1 and facilitate the rotation of the supporting seat 1, thereby ensuring the stable rotation of the shielding plate 2.
In some more specific embodiments, as shown in fig. 3, each shutter 2 includes a shutter body 21 and first and second insertion portions 22 and 23 connected to both ends of the shutter body 21; one end of the branch rod 12 is provided with a first inserting hole 121 matched with the first inserting part 22; both ends of the connecting rod 4 are provided with second inserting holes 41 matched with the second inserting parts 23. It can be understood that the shielding plate 2 and the branch rod 12 are connected by the first inserting portion 22 matching with the first inserting hole 121, and the installation and the disassembly are convenient without using a connecting piece. Connecting rod 4 and shielding plate 2 adopt the structure of second grafting portion 23 cooperation second spliced eye 41 to be connected, need not to use the connecting piece, have made things convenient for installation and dismantlement. Of course, in other embodiments of the present invention, the connection structure between the shielding plate 2 and the branch rod 12 and between the shielding plate 2 and the connecting rod 4 can be selected according to actual needs.
In some embodiments, as shown in fig. 1 and fig. 2, the device for reducing the droplet drift further includes a mounting base 3, the mounting base 3 is connected to the nozzle module 7, the mounting base 3 has a mounting hole 311 and an annular limiting groove 312, one end of the supporting base 1 is fitted in the mounting hole 311, and one end of the shielding plate 2 has a limiting block 5 fitted in the annular limiting groove 312. It can be understood that the limiting effect of the annular limiting groove 312 on the limiting block 5 can be converted into the limitation on the rotation amplitude of the shielding plate 2, so that the shielding plate 2 can stably rotate, and the adverse effect of disordered rotation of the shielding plate 2 on droplet sedimentation is avoided.
In some embodiments, as shown in fig. 2, the support base 1 is fitted with a bearing 6 on one end of the mounting hole 311. It can be understood that, in the actual working process, the supporting seat 1 can rotate relative to the mounting seat 3, and the added bearing 6 can reduce the friction between the supporting seat 1 and the mounting seat 3, so as to ensure that the supporting seat 1 can stably rotate.
In some specific embodiments, as shown in fig. 4, one end of the shielding plate 2 is provided with a third insertion hole 221, the limiting block 5 includes a limiting portion 51 and a matching portion 52, the limiting portion 51 is fitted in the annular limiting groove 312, and the matching portion 52 is fitted in the third insertion hole 221. It can be understood that the stop block 5 is connected to the shielding plate 2 by plugging the third plugging hole 221 and the matching portion 52, and a connecting member is not required for connection, so that the installation and the detachment are simplified. Certainly, in other embodiments of the present invention, the limiting block 5 may also be directly formed on the shielding plate 2, and is an integrally formed part with the shielding plate 2, and the limiting block 5 may also be mounted on the shielding plate 2 through a connecting member such as a screw.
In some specific embodiments, as shown in fig. 5, the mounting base 3 includes a mounting plate 31, a sleeve 32 and a reinforcing rib 33, the mounting plate 31 is provided with a mounting hole 311 and an annular limiting groove 312, the sleeve 32 is sleeved on the spray head module 7 and is spaced apart from the mounting plate 31, one end of the reinforcing rib 33 is connected to the mounting plate 31, and the other end is connected to the sleeve 32. It can be understood that the mounting plate 31 can firmly limit the rotation amplitude of the shielding plate 2, so as to ensure the stable generation of the downward-swirling air flow, and the sleeve 32 and the reinforcing ribs 33 improve the connection stability of the whole mounting base 3 relative to the spray head module 7.
Advantageously, the reinforcing ribs 33 are a plurality distributed at intervals along the circumference of the sleeve 32.
The embodiment is as follows:
an apparatus for reducing droplet drift in accordance with one embodiment of the present invention is described below with reference to fig. 1-5.
As shown in fig. 1-5, the device for reducing fogdrop drifting of this embodiment includes a supporting seat 1, shielding plates 2, a mounting seat 3, a connecting rod 4 and a limiting block 5, the supporting seat 1 is sleeved on the spray head module 7, the supporting seat 1 includes supporting cylinders 11 and branch rods 12, the branch rods 12 are six, the six branch rods 12 are circumferentially spaced along the supporting cylinders 11, the supporting cylinders 11 are sleeved on the spray head module 7, one end of the branch rods 12 is provided with a first inserting hole 121, the shielding plates 2 are six, the six shielding plates 2 constitute three groups, the shielding plates 2 of the three groups are circumferentially spaced along the spray head module 7 on the supporting seat 1, two shielding plates 2 in each group of shielding plates 2 are connected through the connecting rod 4, each shielding plate 2 includes a baffle body 21 and a first inserting portion 22 and a second inserting portion 23 connected at two ends of the baffle body 21, the first inserting portion 22 is matched with the first inserting hole 121, one end of the first inserting portion 22 is provided with a third inserting hole 221, and the connecting rod 4 is provided with a second inserting hole 41 matched with the second inserting portion 23. The mounting seat 3 includes a mounting disc 31, a sleeve 32 and a reinforcing rib 33, a mounting hole 311 and an annular limiting groove 312 are provided on the mounting disc 31, and one end of the support seat 1 is fitted in the mounting hole 311 and one end of the support seat 1 fitted in the mounting hole 311 is fitted with the bearing 6. The limiting block 5 comprises a limiting part 51 and a matching part 52, the limiting part 51 is matched in the annular limiting groove 312, and the matching part 52 is matched in the third inserting hole 221. The sleeve 32 is sleeved on the nozzle module 7 and arranged at an interval with the mounting disc 31, one end of the reinforcing rib 33 is connected with the mounting disc 31, and the other end is connected with the sleeve 32.
The advantages of the device for reducing droplet drift of the embodiment are as follows:
firstly, the shielding plate 2 can weaken the influence of external wind power on the deposition of the fog drops, so that the occurrence of the drifting phenomenon of the fog drops is reduced;
secondly, the method comprises the following steps: the baffle plate 2 can generate downward swirling air flow after being driven to rotate by a natural wind field, so that the moving time of fog drops in the air is shortened, the evaporation loss of the fog drops is reduced, and the deposition rate of the fog drops is improved.
The invention also discloses a plant protection unmanned aerial vehicle, as shown in fig. 6, the plant protection unmanned aerial vehicle comprises an unmanned aerial vehicle body 8, a spray head module 7 and a device for reducing fogdrop drifting in the front, wherein the spray head module 7 is connected below a propeller of the unmanned aerial vehicle body 8, and the device for reducing fogdrop drifting is arranged around the spray head module 7.
According to the plant protection unmanned aerial vehicle, due to the device for reducing the fogdrop drifting, the plant protection unmanned aerial vehicle can well reduce the fogdrop drifting and improve the fogdrop deposition rate, so that the pesticide application efficiency of the plant protection unmanned aerial vehicle is improved.
In some embodiments, shower nozzle module 7 includes shower nozzle bracing piece 71 and shower nozzle body 72, and the one end of shower nozzle bracing piece 71 is connected in the one end that the fuselage was kept away from to the horn of unmanned aerial vehicle body 8 and is located the below of screw, and the other end is connected on shower nozzle body 72. From this, can avoid the distance between shower nozzle body 72 and the screw less, avoid the droplet to receive the harmful effects of the air current that the screw produced to promote droplet deposition rate, promoted plant protection unmanned aerial vehicle's the efficiency of giving medicine to poor free of charge.
Reference throughout this specification to "some embodiments," "other embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiments or examples is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (9)
1. A device for reducing fog droplet drift, characterized in that, the device for reducing fog droplet drift is installed on a spray head module (7) of a plant protection unmanned aerial vehicle, the device for reducing fog droplet drift comprises:
the supporting seat (1), the supporting seat (1) is sleeved on the spray head module (7);
the number of the shielding plates (2) is multiple, and the shielding plates (2) are distributed on the supporting seat (1) at intervals along the circumferential direction of the sprayer module (7); in the flight process of the plant protection unmanned aerial vehicle, the shielding plate (2) can be driven by a natural wind field to rotate so as to generate a downward cyclone;
still include mount pad (3), mount pad (3) are connected on shower nozzle module (7), mount pad (3) have mounting hole (311) and annular spacing groove (312), the one end cooperation of supporting seat (1) is in mounting hole (311), the one end of shielding plate (2) has the cooperation and is in stopper (5) of annular spacing groove (312).
2. Device for reducing the drift of mist drops according to claim 1, characterized in that a plurality of said shielding plates (2) are arranged in pairs, two of said shielding plates (2) arranged in pairs having one end connected to said support base (1) and the other end connected to each other by a connecting rod (4).
3. The device for reducing the fog drop drifting according to claim 2, wherein the supporting seat (1) comprises a plurality of supporting cylinders (11) and branch rods (12), the branch rods (12) are distributed at intervals along the circumferential direction of the supporting cylinders (11), the supporting cylinders (11) are sleeved on the sprayer module (7), and one ends of the branch rods (12) are connected with the shielding plate (2).
4. A device for reducing droplet drift according to claim 3, wherein each shielding plate (2) comprises a shielding plate body (21) and a first inserting portion (22) and a second inserting portion (23) connected to both ends of the shielding plate body (21);
one end of the branch rod (12) is provided with a first inserting hole (121) matched with the first inserting part (22); and the two ends of the connecting rod (4) are respectively provided with a second inserting hole (41) matched with the second inserting part (23).
5. Device for reducing the drift of droplets according to claim 1, characterized in that the support base (1) is fitted with a bearing (6) on one end of the mounting hole (311).
6. The device for reducing the fog drop drifting according to claim 1, wherein a third inserting hole (221) is formed in one end of the shielding plate (2), the limiting block (5) comprises a limiting portion (51) and a matching portion (52), the limiting portion (51) is matched in the annular limiting groove (312), and the matching portion (52) is matched in the third inserting hole (221).
7. The device for reducing droplet drift of claim 1, wherein the mounting seat (3) comprises:
the mounting disc (31), the mounting hole (311) and the annular limiting groove (312) are arranged on the mounting disc (31);
the sleeve (32) is sleeved on the spray head module (7) and arranged at intervals with the mounting disc (31);
and one end of the reinforcing rib (33) is connected with the mounting disc (31), and the other end of the reinforcing rib (33) is connected with the sleeve (32).
8. A plant protection unmanned aerial vehicle, comprising an unmanned aerial vehicle body (8), a spray head module (7) and the device for reducing fogdrop drifting according to any one of claims 1 to 7, wherein the spray head module (7) is connected below a propeller of the unmanned aerial vehicle body (8), and the device for reducing fogdrop drifting is arranged around the spray head module (7).
9. The plant protection unmanned aerial vehicle of claim 8, wherein the shower nozzle module (7) comprises a shower nozzle support rod (71) and a shower nozzle body (72), one end of the shower nozzle support rod (71) is connected to one end, away from the fuselage, of the arm of the unmanned aerial vehicle body (8) and is located below the propeller, and the other end of the shower nozzle support rod is connected to the shower nozzle body (72).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607942.0A CN114946808B (en) | 2022-05-31 | 2022-05-31 | Device for reducing fog drop drift and plant protection unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210607942.0A CN114946808B (en) | 2022-05-31 | 2022-05-31 | Device for reducing fog drop drift and plant protection unmanned aerial vehicle |
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| CN114946808B true CN114946808B (en) | 2023-04-07 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105961051A (en) * | 2016-06-03 | 2016-09-28 | 华南农业大学 | Aerial spraying method and device for cotton defoliating agent |
| KR20180120042A (en) * | 2017-04-26 | 2018-11-05 | 농업회사법인주식회사 플라잉팜 | Uninhabited aircraft spreader |
| KR102140178B1 (en) * | 2019-02-19 | 2020-07-31 | 전북대학교산학협력단 | Agricultural drone having function of preventing drift |
| CN210517954U (en) * | 2019-11-18 | 2020-05-12 | 魏平 | High-speed motor for electric hair drier capable of guiding air in segmented mode |
| CN113060285B (en) * | 2021-03-16 | 2023-10-20 | 华南农业大学 | Amplitude-variable spraying device of plant protection unmanned aerial vehicle and operation method |
| CN113148171B (en) * | 2021-04-07 | 2022-07-08 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | Spraying unmanned aerial vehicle |
| CN113665818A (en) * | 2021-09-23 | 2021-11-19 | 华南农业大学 | Drift plant protection unmanned aerial vehicle is prevented in spraying |
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