CN203767072U - Air-assisted large-width plant protection unmanned helicopter - Google Patents
Air-assisted large-width plant protection unmanned helicopter Download PDFInfo
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- CN203767072U CN203767072U CN201420191276.8U CN201420191276U CN203767072U CN 203767072 U CN203767072 U CN 203767072U CN 201420191276 U CN201420191276 U CN 201420191276U CN 203767072 U CN203767072 U CN 203767072U
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Abstract
The utility model relates to an air-assisted large-width plant protection unmanned helicopter. The air-assisted large-width plant protection unmanned helicopter comprises an air-assisted air duct device, a support frame, a storage battery, an electric diaphragm pump, a drug kit and a folding spray lance distributed with a nozzle, which are arranged on the unmanned helicopter. The folding spray lance is divided into a middle primary spray lance and a first secondary spray lance and a second secondary spray lance on two sides. One part of lower air washing stream formed by rotors of the unmanned helicopter is collected in a collection cavity of the air-assisted air duct device and is accelerated through a conical pipeline structure, and the formed high-speed airflow flows through a vertical flat column type air pipe through an airflow connecting part and enters a horizontal flat conical air pipe through an airflow transition part; and high-speed airflow in an air collection guide air duct is blown out of an air outlet, an air curtain of which the air speed is uniformly distributed downwards is formed on width of the spray lance, and the air curtain achieves acceleration, entrainment and secondary atomization effects on fog drops atomized by the nozzle. According to the uniformly downwards air curtain formed by the air collection guide air duct, the large-width spray lance of the unmanned helicopter is possibly formed, the operating width of the spray lance is increased, the dosing rate is improved under the condition that the drug loading amount of the unmanned helicopter is invariable, the operating time is shortened, the dosing efficiency is improved, and the power consumption of the unmanned helicopter is reduced.
Description
Technical field
The present invention relates to agricultural aviation plant protection field, the gas that relates in particular to a kind of agriculture and forestry plant protection helps the unmanned fog machine of the large fabric width dispenser of formula, to improve dispenser efficiency, increases anti-performance and the uniform deposition performance of floating of droplet.
Background technology
Plant protection remotely pilotless helicopter is mainly to carry out dispenser operation for the grain in extensive forest or farmland or industrial crops, there is the high speed downwash flow droplet that can eject shower nozzle that High Rotation Speed rotor produces and realize secondary-atomizing, improve the ability of carrying secretly to droplet, to improve the penetrance of liquid, to the plurality of advantages such as disease pest and weed prevention effect is good, and can operate by long-distance remote control, make distant operating personal avoid being exposed in pesticide droplet, improved dispenser safety.Oneself becomes the trend of agriculture and forestry plant protection remotely pilotless helicopter.
When depopulated helicopter dispenser, need be stabilized in apart from steady low-speed operations on the high-altitude of crop 3-5 rice and spray insecticide, its device for administration of drugs is mainly, on the spray boom with certain fabric width of the inclined to one side arranged beneath of fuselage, atomizer is installed.In the time of its actual job, the rotor length of depopulated helicopter has determined the sphere of action of the downwash flow of rotor High Rotation Speed generation, in the time that spray medicine fabric width exceedes rotor length, downwash flow not only disappears to the secondary-atomizing of droplet and the effect of carrying secretly, droplet now is easily subject to the impact of natural airflow to occur drift phenomenon, and the airflow field that downwash flow forms easily produces zone of negative pressure by the droplet suction of airflow field outside.Therefore the working width of plant protection depopulated helicopter is restricted, thereby has limited its operating efficiency.
Summary of the invention
Be subject to working width little for existing plant protection helicopter, the inefficient problem of dispenser, the invention provides a kind of gas that can realize large fabric width dispenser operation and helps formula plant protection depopulated helicopter, improves operating efficiency and pesticide supplying effect.
The technical scheme that a kind of gas of the present invention helps the large fabric width plant protection of formula depopulated helicopter to adopt: comprise that the gas being arranged on depopulated helicopter helps drum device, bracing frame, storage battery, electric diaphragm pump, medicine-chest and is distributed with the foldable spray rod of shower nozzle.The first width spray boom and the second width spray boom of main jet bar and both sides in the middle of described foldable spray rod is divided into.Described bracing frame is arranged on the alighting gear of depopulated helicopter, and storage battery, electric diaphragm pump, medicine-chest and middle main jet bar are fixed on bracing frame; Medicine-chest is connected with each shower nozzle of electric diaphragm pump and foldable spray rod successively by liquid flexible pipe.Storage battery provides power supply for electric diaphragm pump.Described depopulated helicopter also comprises remote control equipment (RCE), can be by the switch of control channel control electric diaphragm pump.
Described gas helps drum device to comprise afflux bracing frame and collection wind water conservancy diversion air duct.Depopulated helicopter both sides are respectively provided with an afflux bracing frame and a collection wind water conservancy diversion air duct; The top of the homonymy fuselage of depopulated helicopter is fixed in one end of described afflux bracing frame, and the other end is fixed on middle main jet bar; Described collection wind water conservancy diversion air duct is made up of the manifold connecting successively, air-flow connecting portion, vertical flat column type airduct, air-flow interconnecting gangway and the flat tapered airduct of level; The manifold of every side collection wind water conservancy diversion air duct is fixed on the afflux bracing frame of a side corresponding to it; Described air-flow connecting portion, vertical flat column type airduct, air-flow interconnecting gangway and the flat tapered airduct of level successively from inside to outside level be fixed on the foldable spray rod of a corresponding side; Described vertical flat column type airduct and the bottom of the flat tapered airduct of level be evenly distributed with air outlet and air outlet respectively corresponding be positioned at described each shower nozzle directly over.
Described manifold is truncated cone shape, and large opening is positioned at top, and large opening is positioned under rotor and with rotor vertical distance 30cm ﹣ 100cm, the part high speed downwash flow that manifold produces for collecting rotor High Rotation Speed.The transversal surface of described vertical flat column type airduct adopts elliptical shape, the transverse layout perpendicular to the ground of transversal surface, reduce wind area, to reduce stopping downwash flow, the inner equidistant transversal surface of vertical flat column type airduct is furnished with ellipse short shaft direction tightrope, can keep vertical flat post profile while making it be full of air-flow.The transversal surface of the described flat tapered airduct of level adopts elliptical shape, the transverse of transversal surface and ground level are arranged, the inner equidistant transversal surface of the flat tapered airduct of level is furnished with ellipse short shaft direction tightrope, the flat cone profile of energy maintenance level while making it be full of air-flow, to reduce the windage of depopulated helicopter when flat the flying, the flat tapered airduct afterbody of level is tapered, and the wind speed that is beneficial to air outlet is even.Described foldable spray rod is divided into five sections, after every side the first spray boom is folding to tail direction 90 degree, is arranged in fuselage direction, and the second spray boom can still be arranged in fuselage direction by 180 degree after tail direction folds.
Described manifold is collected the part downwash flow of depopulated helicopter rotor formation and is accelerated by its conical pipeline structure, and the high velocity air of formation flows through vertical flat column type airduct through air-flow connecting portion, then enters the flat tapered airduct of level through air-flow interconnecting gangway; High velocity air in collection wind water conservancy diversion air duct blows out from air outlet, forms the downward well-distributed air curtain of wind speed on spray boom fabric width, and air curtain plays acceleration, carries secretly and secondary-atomizing effect the droplet of shower nozzle atomization.
A kind of gas of the present invention helps the operational method of the large fabric width plant protection of formula depopulated helicopter, comprises the steps:
1 ﹚ is transported to plant protection depopulated helicopter behind operating area, and manually unfolded spray boom is to linear pattern locking, is now fixed on collection wind water conservancy diversion air duct on spray boom in complete contraction state;
2) start plant protection depopulated helicopter, the high speed downwash flow that the rotor of high speed rotating produces is after manifold is collected, in collection wind water conservancy diversion air duct, pour high velocity air, make to collect wind water conservancy diversion air duct and expand, and thereunder form air curtain, remote control plant protection depopulated helicopter is to work area, be stabilized in after suitable operating altitude, remote control starts electric diaphragm pump, starts dispenser work, and remote control plant protection depopulated helicopter travels through whole spray area;
3) after field rotating medicine operation completes, remote closing electric diaphragm pump, and the remote control of plant protection depopulated helicopter is landed, close plant protection depopulated helicopter engine, collection wind water conservancy diversion air duct shrinks, and manually spray boom is folded and is locked.
A kind of gas of the present invention helps the beneficial effect of the large fabric width plant protection of formula depopulated helicopter to be:
1) the even downward air curtain forming by collection wind water conservancy diversion air duct, make the large fabric width spray boom of depopulated helicopter become possibility, increase the working width of spray boom, in the situation that depopulated helicopter medicine carrying liquid measure is constant, improve dispenser speed, shorten production time, improve dispenser efficiency, reduce the consumption of power of depopulated helicopter.
2) evenly downward large fabric width air curtain can improve droplet acceleration, secondary-atomizing and carry ability secretly, reduces the skyborne drift losses amount of agricultural chemicals.
3) collection of the high speed downwash flow by collection wind water conservancy diversion air duct, rotary wing being produced around fuselage, realizes the recycling of energy, reaches the effect of environmental protection and energy saving.
Brief description of the drawings
Physical construction scheme of installation front elevation when Fig. 1 is mode of operation of the present invention.
Physical construction scheme of installation lateral plan when Fig. 2 is mode of operation of the present invention.
Physical construction scheme of installation upward view when Fig. 3 is mode of operation of the present invention.
Manifold figure when Fig. 4 is mode of operation of the present invention.
Physical construction scheme of installation when Fig. 5 is off working state of the present invention.
In figure: 1, depopulated helicopter 2, bracing frame 3, storage battery 4, electric diaphragm pump 5, medicine-chest, 6, middle main jet bar 7, afflux bracing frame 8, manifold 9, air-flow connecting portion 10, vertical flat column type airduct 11, air-flow interconnecting gangway 12, the flat tapered airduct 13 of level, truss 14, shower nozzle 15, rotor 16, liquid flexible pipe 17, air outlet 18, alighting gear 19, the first width spray boom 20, the second width spray boom
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1,2,3 helps the large fabric width plant protection of formula depopulated helicopter physical construction three-view diagram for water conservancy diversion gas.
Described bracing frame (2) is fixed on the alighting gear (18) of depopulated helicopter (1), and storage battery (3), electric diaphragm pump (4), medicine-chest (5) are fixed on bracing frame (2) with middle main jet bar (6); Medicine-chest (5) is connected to electric diaphragm pump (4), middle main jet bar (6), the first width spray boom (19), the second width spray boom (20) successively by liquid flexible pipe (16), arrives each shower nozzle (14) finally by each spray boom.Storage battery (3) access electric diaphragm pump (4).Described depopulated helicopter (1) also comprises remote control equipment (RCE), can be by the switch of control channel control electric diaphragm pump (4).
Described gas helps drum device to comprise afflux bracing frame (7) and collection wind water conservancy diversion air duct.Depopulated helicopter (1) both sides are respectively provided with an afflux bracing frame (7) and a collection wind water conservancy diversion air duct; The top of the both sides fuselage of depopulated helicopter (1) is fixed in one end of described afflux bracing frame (7), and the other end is fixed on middle main jet bar.The manifold (8) of described collection wind water conservancy diversion air duct is fixed on the afflux bracing frame (7) of place side.Other part of horizontal of described each side collection wind water conservancy diversion air duct are fixed on the side spray bar of place.
In the present embodiment, the spray boom fabric width launching under mode of operation is 12m, and when off working state, spray boom is collapsible, and now fabric width is 4m.Wherein bracing frame (2), foldable spray rod, afflux bracing frame (7), truss (13), alighting gear (18) intend adopting carbon fiber or alloy in lightweight material.
Fig. 4 is collection wind water conservancy diversion air duct.Described collection wind water conservancy diversion air duct is made up of the manifold connecting successively (8), air-flow connecting portion (9), vertical flat column type airduct (10), air-flow interconnecting gangway (11) and the flat tapered airduct of level (12).The part downwash flow that described collection wind water conservancy diversion air duct forms depopulated helicopter (1) rotor is collected and accelerates by conical pipeline through manifold (8), the high velocity air forming flows through vertical flat column type airduct (10) through air-flow connecting portion (9), pass through again air-flow interconnecting gangway (11) and enter the flat tapered airduct of level (12), bottom at vertical flat column type airduct (11) and the flat tapered airduct of level (12) is evenly distributed with air outlet (17), therefore the high velocity air in collection wind water conservancy diversion air duct blows out from air outlet (17), on spray boom fabric width, form the downward well-distributed air curtain of wind speed, air curtain plays acceleration to the droplet of shower nozzle atomization, carry secretly and secondary-atomizing effect.Described collection wind water conservancy diversion air duct is made into by artificial materials such as lightweight terylene, polyester fiber or Mai La.Described manifold (8) is truncated cone shape, and large opening is positioned at top, and large opening is positioned under rotor and with rotor vertical distance 30cm ﹣ 100cm, the part high speed downwash flow that manifold produces for collecting rotor High Rotation Speed.The transversal surface of described vertical flat column type airduct (10) adopts elliptical shape, the transverse layout perpendicular to the ground of transversal surface, reduce wind area, to reduce stopping downwash flow, the inner equidistant transversal surface of vertical flat column type airduct (10) is furnished with ellipse short shaft direction tightrope, can keep vertical flat post profile while making it be full of air-flow.The transversal surface of the flat tapered airduct of described level (12) adopts elliptical shape, the transverse of transversal surface and ground level are arranged, the inner equidistant transversal surface of the flat tapered airduct of level (12) is furnished with ellipse short shaft direction tightrope, the flat cone profile of energy maintenance level while making it be full of air-flow, to reduce the windage of depopulated helicopter (1) when flat the flying, the flat tapered airduct of level (12) afterbody is tapered, and the wind speed that is beneficial to air outlet is even.
Fig. 5 is the spray boom folded state of gas while helping the large fabric width plant protection of formula depopulated helicopter off working state, described foldable spray rod is divided into five sections, one-sided the first spray boom (19) is arranged in fuselage direction after fuselage direction 90 degree fold, the second spray boom (20) can 180 degree be still arranged in fuselage direction after folding, can reduce like this lateral dimension of body, be convenient to transport.Preferably, the air outlet (17) of described collection wind water conservancy diversion air duct be arranged in shower nozzle (14) directly over.
A kind of gas of the present invention helps the operational method of the large fabric width plant protection of formula depopulated helicopter, comprises the steps:
1 ﹚ is transported to plant protection depopulated helicopter (1) behind operating area, manually launches foldable spray rod to linear pattern locking, is now fixed on collection wind water conservancy diversion air duct on spray boom in complete contraction state;
2) start plant protection depopulated helicopter (1), the high speed downwash flow that the rotor (15) of high speed rotating produces is after manifold (8) is collected, in collection wind water conservancy diversion air duct, pour high velocity air, make to collect wind water conservancy diversion air duct and expand, and thereunder form air curtain, remote control plant protection without (1) people's helicopter to work area, be stabilized in after suitable operating altitude, remote control starts electric diaphragm pump (4), starts dispenser work, and remote control plant protection depopulated helicopter (1) travels through whole spray area.
3) after field rotating medicine operation completes, remote closing electric diaphragm pump (4), and plant protection depopulated helicopter (1) remote control is landed, close plant protection depopulated helicopter engine, collection wind water conservancy diversion air duct shrinks, and manually spray boom is folded and is locked.
Claims (1)
1. gas helps the large fabric width plant protection of a formula depopulated helicopter, it is characterized in that comprising that the gas being arranged on depopulated helicopter helps drum device, bracing frame, storage battery, electric diaphragm pump, medicine-chest and is distributed with the foldable spray rod of shower nozzle;
The first width spray boom and the second width spray boom of main jet bar and both sides in the middle of described foldable spray rod is divided into; Described bracing frame is arranged on the alighting gear of depopulated helicopter, and storage battery, electric diaphragm pump, medicine-chest and middle main jet bar are fixed on bracing frame; Medicine-chest is connected with each shower nozzle of electric diaphragm pump and foldable spray rod successively by liquid flexible pipe; Storage battery provides power supply for electric diaphragm pump; Described depopulated helicopter also comprises remote control equipment (RCE), by the switch of control channel control electric diaphragm pump;
Described gas helps drum device to comprise afflux bracing frame and collection wind water conservancy diversion air duct; Depopulated helicopter both sides are respectively provided with an afflux bracing frame and a collection wind water conservancy diversion air duct; The top of the homonymy fuselage of depopulated helicopter is fixed in one end of described afflux bracing frame, and the other end is fixed on middle main jet bar; Described collection wind water conservancy diversion air duct is made up of the manifold connecting successively, air-flow connecting portion, vertical flat column type airduct, air-flow interconnecting gangway and the flat tapered airduct of level; The manifold of every side collection wind water conservancy diversion air duct is fixed on the afflux bracing frame of a side corresponding to it; Described air-flow connecting portion, vertical flat column type airduct, air-flow interconnecting gangway and the flat tapered airduct of level successively from inside to outside level be fixed on the foldable spray rod of a corresponding side; Described vertical flat column type airduct and the bottom of the flat tapered airduct of level be evenly distributed with air outlet and air outlet respectively corresponding be positioned at described each shower nozzle directly over;
Described manifold is truncated cone shape, and large opening is positioned at top, and large opening is positioned under rotor and with rotor vertical distance 30cm ﹣ 100cm, the part high speed downwash flow that manifold produces for collecting rotor High Rotation Speed; The flat tapered airduct of the transversal surface of described vertical flat column type airduct and level all adopts elliptical shape, the transverse layout perpendicular to the ground of vertical flat column type airduct transversal surface, the transverse of the flat tapered airduct transversal surface of level and ground level layout, the flat tapered airduct afterbody of level is tapered; The inner equidistant transversal surface of the flat tapered airduct of described vertical flat column type airduct and level is furnished with ellipse short shaft direction tightrope; Described foldable spray rod is divided into five sections, after every side the first spray boom is folding to tail direction 90 degree, is arranged in fuselage one side, and the second spray boom can still be arranged in fuselage one side by 180 degree after tail direction folds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191276.8U CN203767072U (en) | 2014-04-18 | 2014-04-18 | Air-assisted large-width plant protection unmanned helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420191276.8U CN203767072U (en) | 2014-04-18 | 2014-04-18 | Air-assisted large-width plant protection unmanned helicopter |
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| Publication Number | Publication Date |
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| CN203767072U true CN203767072U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420191276.8U Withdrawn - After Issue CN203767072U (en) | 2014-04-18 | 2014-04-18 | Air-assisted large-width plant protection unmanned helicopter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910061A (en) * | 2014-04-18 | 2014-07-09 | 山东农业大学 | Air-assisted wide plant protection unmanned helicopter and operation method implemented by same |
| WO2016192524A1 (en) * | 2015-05-29 | 2016-12-08 | 江苏数字鹰科技发展有限公司 | Novel unmanned aircraft for spraying pesticide |
| CN108990945A (en) * | 2017-07-03 | 2018-12-14 | 北京国信聚惠科技有限公司 | A kind of more rotor plant protection drones of ultra-wide spraying swath |
-
2014
- 2014-04-18 CN CN201420191276.8U patent/CN203767072U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103910061A (en) * | 2014-04-18 | 2014-07-09 | 山东农业大学 | Air-assisted wide plant protection unmanned helicopter and operation method implemented by same |
| CN103910061B (en) * | 2014-04-18 | 2015-12-16 | 山东农业大学 | A kind of gas helps formula large fabric width plant protection depopulated helicopter and operational method thereof |
| WO2016192524A1 (en) * | 2015-05-29 | 2016-12-08 | 江苏数字鹰科技发展有限公司 | Novel unmanned aircraft for spraying pesticide |
| CN108990945A (en) * | 2017-07-03 | 2018-12-14 | 北京国信聚惠科技有限公司 | A kind of more rotor plant protection drones of ultra-wide spraying swath |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140813 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |