A kind of agricultural unmanned plane of single shaft rotor and its flusher
Technical field
The utility model relates to agricultural air vehicle technique field more particularly to a kind of agricultural unmanned plane of uniaxial rotor and its sprays
Spill device.
Background technique
China has realized entire mechanization on the short stalk crop of crop field, and long-stalked crop is since growing height is higher, after growth
Phase crop is dense, and agricultural machinery and implement are difficult the operation of lower ground.And southern region of China hilly and mountainous land is more, is not suitable for ground mechanical work.
In field-crop management, the prevention and control of plant diseases, pest control is the important link to improve the yield and quality.China long-stalked crop spraying pesticide master
It not only to cause pesticide based on traditional artificial application, using the method for rain type and largely be lost waste, pollute environment,
Pesticide residue can also reduce vegetables and fruits quality.People is administered in closed environment, is easy to happen poisoning.Plant protection drone application
Belong to low latitude ultra-low volume to spray, greatly reduce the usage amount of pesticide, and by remote control unmanned plane, can make one remote
From application environment, human health is protected.Unmanned plane sprinkling system is the core component that plant protection drone guarantees spraying effect, directly
It is related to the efficiency and effect of operation, unmanned plane is that the canopy for making medicine drop penetrate crop by rotor pushing wind field makes inside crop
Uniformly medicine, however in long-stalked crop especially industrial crops, many crop canopies are dense, and with luxuriant foliage and spreading branches in leafy profusion, pesticide droplet is very
Hardly possible passes through the inside that canopy acts on crop, and control efficiency is bad.Currently, single-rotor helicopter sprinkling system is adopted mostly in the market
It being designed with the spray boom of "-" type, multiple nozzles are evenly arranged on spray boom, and such spray area is big, but in long-stalked crop and economic fruit
Fog drip penetration capacity is limited, and pesticide droplet deposition distribution is less on the branches and leaves inside crop, directly influences control efficiency.
Utility model content
The purpose of this utility model is to provide a kind of agricultural unmanned plane of single shaft rotor and its flushers, it can be efficiently sharp
The pushing wind field generated with uniaxial rotor keeps the medicine drop penetrability of sprinkling more preferable, is very suitable to apply on long-stalked crop.
Technical solution provided by the utility model are as follows: a kind of flusher of the agricultural unmanned plane of single shaft rotor, the sprinkling
Device is applied on the agricultural unmanned plane of uniaxial rotor, including medicine-chest, spray boom and nozzle, and the outer end of spray boom is arranged in institute's nozzle, described
Nozzle is located at the lower section of unmanned plane rotor, and is located at the lower edge of rotor, while need to avoid rotor wing tip.
Wherein, the nozzle is located on the inside of rotor edge.
Wherein, the spray boom and nozzle quantity are multiple, are spaced apart.
Wherein, the spray boom and nozzle quantity are 4, are in the horizontal plane cross distribution, are located at unmanned plane
Left front, right front, left back and right back.
Wherein, the spray boom and nozzle quantity are 4, are distributed in the horizontal plane in ladder type, at nobody between the nozzle
The spacing of machine width direction is equal.
Wherein, a postinjector is additionally provided with immediately below the medicine-chest.
Wherein, the nozzle is conical nozzle.
Wherein, the spray boom is folding boom, and spray boom is parallel with the length direction of unmanned plane after folding.
Wherein, the flusher further includes miniature hydraulic pump, grug transportation tube, hook and fixing seat, the miniature hydraulic pump
It is separately connected with medicine-chest and grug transportation tube, the spray boom is fixed in fixing seat, the inner end connection of the grug transportation tube and spray boom, described
Hook is for the spray boom after fixed fold.
Another technical solution provided by the utility model are as follows: a kind of single shaft rotor agricultural unmanned plane, including unmanned plane and
Flusher recited above, the flusher are fixed on unmanned plane.
The single shaft agricultural unmanned plane of rotor described in the utility model refers to the helicopter of only one rotary shaft, in rotary shaft
Rotor can be single layer, can also be two layers.
The utility model has the following beneficial effects: applicants have discovered that the pushing wind field of the agricultural unmanned plane of uniaxial rotor is that have rule
Rule, linear velocity increases rotor outward by interior, i.e., air relative flow speed increases, therefore the lift being subject on blade is by interior
Increasing outward, from inside to outside, lift increases rotor, i.e. reaction force, and rotor pushes wind field and is also also gradually increased from inside to outside,
The underface of unmanned plane rotor is arranged in nozzle, and is located at the lower edge of rotor, while need to avoid rotor wing tip, because of rotation
Cautiously point vortex pair droplet can generate scrolling, cause the drift and evaporation of pesticide, then the medicine of nozzles spray drips under high wind effect,
Downstream rate is also maximum, so penetration power is most strong, penetration of droplets ability is substantially improved on long-stalked crop and economic fruit, crop
Pesticide droplet deposition distribution increases on internal branches and leaves, and control efficiency is good.
Detailed description of the invention
Fig. 1 is that the stereochemical structure of the agricultural unmanned plane of uniaxial rotor described in the utility model and its flusher embodiment one is shown
It is intended to;
Fig. 2 is the distribution schematic diagram of the spray boom and nozzle;
Fig. 3 is the schematic perspective view of the agricultural unmanned plane of the folded single shaft rotor of the spray boom and its flusher;
Fig. 4 is the structural schematic diagram of the spray boom and nozzle;
Fig. 5 is the distribution of spray boom and nozzle in the agricultural unmanned plane of the uniaxial rotor and its flusher embodiment two
Schematic diagram.
Wherein, 1, flusher;11, medicine-chest;12, spray boom;13, nozzle;14, postinjector;15, it links up with;16, fixed
Seat;2, unmanned plane;21, rotor.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As the embodiment one of the agricultural unmanned plane of single shaft rotor described in the utility model and its flusher, as shown in Figure 1 to Figure 4
Shown, the uniaxial agricultural unmanned plane of rotor includes unmanned plane 2 and flusher 1, and the flusher 1 is fixed on unmanned plane 2, spray
Spilling device 1 includes medicine-chest 11, spray boom 12 and nozzle 13, and the outer end of spray boom 12 is arranged in institute's nozzle 13, and the nozzle 13 is located at nobody
The lower section of machine rotor 21, and be located at the lower edge of rotor 21, while rotor wing tip need to be avoided.The circle of outmost turns in Fig. 2
Refer to the outermost rotation trace of rotor.
Applicants have discovered that the pushing wind field of the uniaxial agricultural unmanned plane of rotor be it is regular, rotor 21 by it is interior outward, line
Speed increases, i.e., air relative flow speed increases, therefore the lift being subject on blade increases from inside to outside, and rotor 21 is by introversion
Outside, lift increases, i.e. reaction force, and rotor 21 pushes wind field and is also also gradually increased from inside to outside, and nozzle 13 is arranged at nobody
The lower section of machine rotor 21, and be located at the lower edge of rotor 21, while rotor wing tip need to be avoided, because rotor wingtip vortex is to mist
Drop can generate scrolling, cause the drift and evaporation of pesticide, then the medicine that nozzle 13 sprays drips under high wind effect, downstream rate
Maximum, so penetration power is most strong, penetration of droplets ability is substantially improved on long-stalked crop and economic fruit, the branches and leaves inside crop
Upper pesticide droplet deposition distribution increases, and control efficiency is good.
The applicant simulates by computer simulation wind field, pushes the strongest position of wind field in 21 diameter of rotor
70% or so place, if the outer ledge of too close rotor 21, medicine drop is easy to external diffusion, and effect can also give a discount, so spray
Mouth 13 is arranged at the 60%-90% of 21 diameter of rotor, and effect is best.(percentage of rotor diameter refers to the center of rotor herein
Place is 0%, and the outermost edges of rotor are 100%, belongs to the conventional call in industry).
In the present embodiment, the spray boom 12 and 13 quantity of nozzle are multiple, are spaced apart.I.e. all nozzles 13 all in
The wind-force most strength of pushing wind field, but dispersed placement, to increase spray area.More specifically, the spray boom 12 and nozzle 13
Quantity is 4, is in the horizontal plane cross distribution, after being located at left front, right front, left back and the right side of unmanned plane
Side.The mounting means of spray boom 12 is chiasma type, the equal length of four spray booms 12.When plant protection drone normal working operation,
Unfolded state is the distribution of cruciform shape.Spray boom 12 is divided to for two parts, a part transmission perfusion tube, and provides fixed spray
The position of mouth 13, another part are fixed on 11 surrounding of medicine-chest, are in rectangle, and the spray boom of fuselage is stretched out in connection.
Such arrangement of nozzles mode, when the nozzle distance of the nozzle in left side and right side is larger, the spray value of middle part compared with
Few, not enough uniformly, whole spray effect cannot reach optimum efficiency, then a supplement is arranged in the underface of the medicine-chest 11
Nozzle 14 is necessary.
The big but downward spray rate of common fan nozzle spray area is smaller, so penetration power is insufficient, in this implementation
In example, as shown in figure 4, in order to further increase the effect that penetrates of sprinkling, the nozzle 13 especially uses conical nozzle, taper
Nozzles spray area is small, but downward spray rate is larger, and good directionality, penetration power is stronger, in long-stalked crop and economic fruit
Upper penetration of droplets ability further gets a promotion, and pesticide droplet deposition distribution increases on the branches and leaves inside crop, and control efficiency is more
Next level.
In the present embodiment, the spray boom 12 is folding boom, and the length direction of spray boom 12 and unmanned plane is flat after folding
Row.The stem segment for stretching out unmanned plane engine body exterior is folded after hours, folded spray boom abutting body, and with
The extending direction of body is consistent, is readily transported.
The flusher further includes miniature hydraulic pump, grug transportation tube, hook 15 and fixing seat 16, the miniature hydraulic pump with
Medicine-chest and grug transportation tube are separately connected, and the spray boom 12 is fixed in fixing seat 16, the inner end connection of the grug transportation tube and spray boom, institute
Hook 15 is stated for the spray boom 12 after fixed fold.Four hooks 15, each two of unmanned plane body two sides, opposite body symmetrically divide
Cloth.Height is different in vertical direction for two hooks 15 of the every side of body, to be close to body when the folding of spray boom 12, prevents and treats
Spray boom 12 shakes and activity, avoids damaging.
As the embodiment two of the agricultural unmanned plane of single shaft rotor described in the utility model and its flusher, as shown in figure 5,
From embodiment one the difference is that the distribution of spray boom 12 and nozzle 13 is different, the spray boom 12 and 13 quantity of nozzle are 4
It is a, it is distributed in the horizontal plane in ladder type, the spacing between the nozzle 13 in unmanned plane width direction is equal, sprays so very
Uniformly, it is not necessary to add any postinjector, other structures and beneficial effect are consistent with embodiment one, and details are not described herein again.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.