CN205131680U - Many rotor unmanned aerial vehicle variable water -spraying system - Google Patents
Many rotor unmanned aerial vehicle variable water -spraying system Download PDFInfo
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- CN205131680U CN205131680U CN201520869477.3U CN201520869477U CN205131680U CN 205131680 U CN205131680 U CN 205131680U CN 201520869477 U CN201520869477 U CN 201520869477U CN 205131680 U CN205131680 U CN 205131680U
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Abstract
The utility model discloses a many rotor unmanned aerial vehicle variable water -spraying system goes up the backup pad and is fixed with the power, fixed medical kit of bottom suspension fagging and electronic gear pump, the shower nozzle passes through the dead lever symmetry and installs under the rotor of frame both sides, the liquid outlet of medical kit inserts the inlet of electronic gear pump, and the liquid outlet of electronic gear pump inserts the inlet of aircraft both sides shower nozzle respectively through the tee bend. The utility model discloses a system, its shower nozzle is installed under the rotor, has avoided the drawback that ultralow volume spraying easily floats, has strengthened the penetrability of droplet, adopt centrifugation atomizing spraying and the mode that electronic gear pump combines, has overcome unstable, the incoherent phenomenon of ultralow volume spraying spray, realized the variable spraying through the mode of switching over shower nozzle and governor pump gear motor rotation number, be fit for different crop prevention and cure need, reduced the loss of liquid medicine, install long -range controllable module additional, autonomic regulation can be carried out according to the flying speed of aircraft to the spraying volume, has reduced the wasting of resources.
Description
Technical field
The utility model belongs to agricultural aviation equipment for plant protection equipment technology field, particularly relates to a kind of unmanned fog system carrying out ultra-low volume dispenser by many rotors air-flow, adapts to the environment that area spray equipment is difficult to operation, improves operation quality and efficiency.
background and meaning
Along with epoch and the development of science and technology, agricultural Agent spraying machine, automation and intelligentized trend are more and more obvious, compare traditional area spray technology, unmanned plane dispenser has efficient, convenient, remote operated advantage, becomes the development tendency of agricultural plant protection.
Current unmanned plane plant protection operation has single rotor wing unmanned aerial vehicle and many rotor wing unmanned aerial vehicles two kinds, and wherein many rotor wing unmanned aerial vehicles have high stability, and compatible with environment is strong, controllable performance advantages of higher, becomes the main type of unmanned plane plant protection.The plant protection of many rotor wing unmanned aerial vehicles mainly adopts ultra-low volume centrifugal atomizing spray pattern at present, by agricultural chemicals with on the rotating disk of the high speed rotating of the form of water droplet instillation shower nozzle, is centrifuged and is atomized into tiny droplet and is sprayed on crops.This atomizing type mist droplet particle size is less, easily produces drift, also easily causes the incoherent problem of spraying.In addition, the spray amount of centrifugal atomizing nozzle, mist droplet particle size are main relevant with the rotating speed of rotating disk, thus non-adjustable when actual job, can not adapt to the different demands of Different Crop to spray amount, mist droplet particle size.
Utility model content
Utility model object: in order to the float of mist droplet overcoming the existence of existing many rotor wing unmanned aerial vehicles plant protection operation is obvious, discharge rate is fixed, present situation that is discontinuous, poor stability of spraying, the utility model provides a kind of many rotors variable fog system, its atomising device can adopt centrifugal atomizing and electro-hydrodynamic atomization two kinds of modes to switch, by an additional small-sized electric gear type pump, the feed flow of centrifugal atomizing can be made to keep continuity, realize ultra low volume spray; Can be controlled the spray amount of electro-hydrodynamic atomization by the speed adjustment of gear type pump, when adapting to low volume operation, Different Crop is to the demand of spray amount.Atomising device is arranged on immediately below rotor, and the descending air-flow that can make full use of rotor generation makes the rapid sedimentation of droplet, increases the penetrance to crop, reduces drift.
Technical scheme: for achieving the above object, the technical solution adopted in the utility model is:
A kind of many rotor wing unmanned aerial vehicles variable fog system, comprises frame, rotor and medicine-chest, it is characterized in that, also comprise an electric gear wheel pump;
The upper and lower side at described frame central position is fixedly connected with upper backup pad and lower supporting plate respectively; Wherein upper backup pad is fixed the power supply that promising electric gear pump and rotor are powered; Lower supporting plate is used for fixing electric gear wheel pump and medicine-chest;
Switchable immediately below the rotor of both sides centrifugal atomizing nozzle or hydraulic atomization spray nozzle are installed; Shower nozzle is arranged on immediately below the rotor of aircraft both sides respectively, utilizes float of mist droplet during rotor air-flow minimizing dispenser operation.
The entrance of electric gear wheel pump communicates with medicine-chest; Electric gear delivery side of pump is connected with the centrifugal atomizing nozzle immediately below the rotor of both sides or hydraulic atomization spray nozzle.
Many rotor wing unmanned aerial vehicles are six rotor wing unmanned aerial vehicles.
Many rotor wing unmanned aerial vehicles variable fog system of said structure, has broken the spray pattern that can only adopt separately centrifugal atomizing or electro-hydrodynamic atomization, and can realize variable rate spray by the feed flow of electric gear wheel pump and the switching of shower nozzle.
Described medicine-chest carry is immediately below lower supporting plate, and medicine-chest can be designed to 5L, is highly less than the distance between alighting gear and lower supporting plate, is supported the weight of medicine-chest at full load by medicine-chest clamping bar.
Described electric gear wheel pump controls to adjust rotating speed by remote control device, and described electric gear wheel pump is arranged on the side of medicine-chest, and pump intake is communicated with medicine-chest by liquid flexible pipe; Liquid from medicine-chest is transported to both sides shower nozzle by threeway by pump discharge.The power of pump comes from aircraft power supply, and rotating speed is adjustable, when using centrifugal atomizing to spray, require that pump delivery is less, only liquid need be delivered to nozzle position place, Average droplet particle diameter 80 μm can be obtained, spray amount 0.3L/min, compare without operating condition during pump, Spray stability obviously strengthens; When using liquefaction atomized spray, pump can be interior adjustment in 0.05-0.5MPa scope, and obtainable spray amount variation range is 0.4-1.2L/min and mist droplet particle size scope is 110-360 μm.
All be arranged on immediately below aircraft rotary wing by the connecting rod of length 150mm-200mm when described centrifugal atomizing nozzle and hydraulic atomization spray nozzle operation, one end and the airframe of connecting rod are fixed, the other end is connected through fixed link with shower nozzle, two groups of spraying operation modes adopt 1 cover liquid-supplying system, only need unscrew and lock bolt when changing shower nozzle.Test shows, shower nozzle is arranged on the position of 200mm immediately below rotor, the eddy airstream that on the one hand droplet can be made to avoid rotor tail end to produce.Droplet can make full use of rotor and produce lower rotational gas flow on the other hand, makes the penetrance of droplet better.
Described centrifugal atomizing nozzle comprises nozzle set, DC machine, cover plate and atomizing disk, and DC machine is placed on the inside of nozzle set, by Power supply; The lower end of nozzle set is fixedly connected with described cover plate, and the axle drive shaft of DC machine is fixedly connected with described atomizing disk through the through hole on cover plate.Atomizing disk is truncated conical shape, and one end that wherein round platform diameter is larger is towards described cover plate; Round platform sidewall and axis are 30 °, diameter is 80mm, be dentation inside atomizing disk, object is broken droplet, and atomizing disk is fixed by fix screw and electrode axis, during work, drug liquid tube is directly inserted by cover plate breach, and motor drives atomizing disk with the rotating speed High Rotation Speed of 6000r/min, and the liquid from medicine-chest is sent into continually in atomizing disk under the effect of gear type pump, liquid stream gets rid of under the influence of centrifugal force to atomizing disk, is atomized dish internal tooth and is broken into fine mist.
Described hydraulic atomization spray nozzle comprises sprayer body, is successively set on piston, spring and filter in sprayer body from top to down; Sprayer body threaded upper ends connects a nozzle cap, for locking the drug liquid tube be inserted in sprayer body; Sprayer body lower end is threaded a cap of spraying nozzle, nozzle is fixed on the below of sprayer body internal filter.In order to easy switching, this sprinkler design becomes through type, and drug liquid tube can insert above shower nozzle, is locked by nozzle cap, and spring is located at sprayer body inside, the bottom of piston.During work, certain pressure liquid enters from shower nozzle upper end, and compression piston and spring move down, and liquid can enter in sprayer body from the pipeline of sidewall, flowing through filter screen and nozzle is atomized into droplet, nozzle to be connected with sprayer body by screw thread and to locate by cap of spraying nozzle.Spraying terminates, and springback compression piston, to nozzle cap position, does not have liquid to enter sprayer body again, water clock when can prevent operation from completing.
Described remote control device is except flight controls, and also comprise electric gear wheel pump control channel, during operation, according to the size of unmanned plane during flying speed, the density of actual job object and canopy, can carry out the adjustment of spray amount by remote control device.
Upper backup pad is also fixed with GPS communication control unit.Guarantee taking off at unmanned plane, navigation, hovering, in any one stage returned, can be located in real time by GPS module, realize telecommunication and control.
Beneficial effect: many rotor wing unmanned aerial vehicles variable fog system that the utility model provides, its atomising installation is arranged on immediately below rotor, avoids the drawback of the easy drift of ultra low volume spray, enhances the penetrance of droplet; Centrifugal atomizing is adopted to spray the mode be combined with small-sized electric gear type pump, overcome ultra low volume spray spray instability, incoherent phenomenon, by switching shower nozzle and regulating the mode of pump motor rotating speed to achieve variable rate spray, be applicable to Different Crop control needs, decrease the loss of liquid, installed remote-controllable module additional, spray amount can be carried out from main regulation according to the flying speed of aircraft, decreases the wasting of resources.This system can adapt to several work environment, and be particularly useful for the planting density such as paddy field, milpa large, the scene of operations of artificial dispenser inconvenience, greatly improves operating efficiency, decreases the consumption of manpower.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model;
Fig. 2 is structure birds-eye view of the present utility model;
Fig. 3 is structure side view of the present utility model;
Fig. 4 is hydraulic atomization spray nozzle scheme of installation;
Fig. 5 is the structural representation of hydraulic atomization spray nozzle;
Fig. 6 is the structural representation of centrifugal atomizing nozzle.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.
Be many rotor wing unmanned aerial vehicles variable fog system as Figure 1-Figure 4, comprise six rotor wing unmanned aerial vehicle frames 1, connecting rod 2, centrifugal atomizing nozzle 3, hydraulic atomization spray nozzle 12, medicine-chest 4, upper support version 5, lower supporting plate 6, power supply 7, GPS control setup 8, pipeline 9, electric gear wheel pump 10, medicine-chest clamping bar 11 and remote control device.
Described upper backup pad 5 and lower supporting plate 6 adopt carbon fibre material, are fixed by bolt and frame 1.Upper backup pad 5 is fixed with power supply 7 and GPS control setup 8; Lower supporting plate 6 is used for fixing medicine-chest 4 and electric gear wheel pump 10; When selecting centrifugal atomizing nozzle 3,2 centrifugal atomizing nozzles 3 are arranged on immediately below the rotor of frame 1 both sides by fixed link 21 symmetry; When selecting hydraulic atomization spray nozzle 12, be arranged on immediately below the rotor of frame 1 both sides by fixed link 20 symmetry by 2 hydraulic atomization spray nozzles 12, two sprinkler spacings are 1.0m, adapt with the fabric width of both sides shower nozzle, can not produce drain spray.
Described medicine-chest 4 volume is 5L, is fixed by bolt and lower supporting plate 6, and medication clamp bar 11 support medicine-chest be fully loaded with after weight, medicine-chest 4 adopts PCV injection molding.
Described electric gear wheel pump 10 one end and medicine-chest 4 are connected, and the other end is connected with centrifugal atomizing nozzle 3 or hydraulic atomization spray nozzle 12 by pipeline 9, and 85-2500mL/min is adjustable for gear type pump flow.
As shown in Figure 6, be made up of nozzle set 22, cover plate 23, atomizing disk 24 fix screw 25 and DC machine 26, DC machine 26 is placed on the inner side of nozzle set 22 to described centrifugal atomizing nozzle 3, connects with aircraft power supply 7.Nozzle set 22 is connected by screw with cover plate 23, atomizing disk 24 is hollow truncated conical shape, be 30 ° with axis, the larger one end of round platform diameter is towards cover plate 23, and its diameter of one end that diameter is larger is 80mm, atomizing disk 24 madial wall is dentation, object is broken droplet, and atomizing disk 24 is fixed by fix screw 25 and motor shaft, and atomizing disk rotating speed is 6000r/min, Average droplet particle diameter 80 μm, spray amount 0.3L/min.
Described hydraulic atomization spray nozzle 12 as shown in Figure 5, is made up of nozzle cap 18, piston 17, spring 19, sprayer body 16, filter 15, cap of spraying nozzle 14, nozzle 13 etc.In order to easy switching, this sprinkler design becomes through type, and drug liquid tube can insert above shower nozzle, is locked by nozzle cap 18, and it is inner that spring 19 is located at sprayer body 16, the bottom of piston 17.Nozzle 13 to be connected with sprayer body 16 by screw thread and to locate by cap of spraying nozzle 14.Spray angle 120 °, spray amount variation range is 0.4-1.2L/min and mist droplet particle size scope is 110-360 μm.
Described remote control device comprises electric gear wheel pump control channel, can control the keying of electric gear wheel pump 10, and the rotating speed of electric gear wheel pump, thus can control spray amount size.
The fluid path of this case connects: the liquid outlet access electric gear wheel pump 10 of 1 medicine-chest 4, the liquid outlet of electric gear wheel pump 10 accesses the inlet of aircraft both sides centrifugal atomizing nozzle 3 or hydraulic atomization spray nozzle 12 respectively by threeway and pipeline 9.
The circuit of this case connects: described power supply 7 provides 12V voltage, as the power supply of electric gear wheel pump 9, rotor, GPS control setup 8, DC machine 22.
During ultra low volume spray operation, many rotor wing unmanned aerial vehicles are in stabilized flight condition, the power switch of opening power 7; Electric gear wheel pump 10 is started by the electric gear wheel pump control channel of remote control device, and making it be in be no more than the low discharge of 100mL/min, the inlet accessing aircraft both sides centrifugal atomizing nozzle 3 from the liquid outlet of the liquid electric gear wheel pump 10 of medicine-chest 4 respectively by threeway like this realizes stable ultra low volume spray operation.
When low amounts or augmented flow spraying operation, switch aircraft both sides centrifugal atomizing nozzle 3 one-tenth hydraulic atomization spray nozzles 12, start electric gear wheel pump 10 by the electric gear wheel pump control channel of remote control device, and can control and regulate the flow of electric gear wheel pump 10, variable rate spray operation can be realized.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. the variable of rotor wing unmanned aerial vehicle a more than fog system, comprises frame, rotor and medicine-chest, it is characterized in that, also comprises an electric gear wheel pump;
The upper and lower side at described frame central position is fixedly connected with upper backup pad and lower supporting plate respectively; Wherein upper backup pad is fixed the power supply that promising electric gear pump and rotor are powered; Lower supporting plate is used for fixing electric gear wheel pump and medicine-chest;
Switchable immediately below the rotor of both sides centrifugal atomizing nozzle or hydraulic atomization spray nozzle are installed;
The entrance of electric gear wheel pump communicates with medicine-chest; Electric gear delivery side of pump is connected with the centrifugal atomizing nozzle immediately below the rotor of both sides or hydraulic atomization spray nozzle.
2. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, is characterized in that, many rotor wing unmanned aerial vehicles are six rotor wing unmanned aerial vehicles.
3. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, is characterized in that, described medicine-chest supports carry immediately below lower supporting plate by medicine-chest clamping bar, and the height of medicine-chest is less than the distance between alighting gear and lower supporting plate.
4. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, it is characterized in that, described electric gear wheel pump controls to adjust rotating speed by remote control device, when using centrifugal atomizing nozzle to spray, the liquid from medicine-chest sucking-off is only delivered to centrifugal atomizing nozzle position by the flow of electric gear wheel pump; When using liquefaction atomizer to spray, electric gear wheel pump regulates within the scope of 0.05-0.5MPa, and the spray amount variation range of acquisition is 0.4-1.2L/min, and mist droplet particle size scope is 110-360 μm.
5. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, it is characterized in that, all be arranged on immediately below aircraft rotary wing by the vertical links of length 150mm-200mm when described centrifugal atomizing nozzle and hydraulic atomization spray nozzle operation, one end and the frame of connecting rod are fixed, and the other end is connected by fixed link with centrifugal atomizing nozzle or hydraulic atomization spray nozzle.
6. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, it is characterized in that, described centrifugal atomizing nozzle comprises nozzle set, DC machine, cover plate and atomizing disk, and DC machine is placed on the inside of nozzle set, by Power supply; The lower end of nozzle set is fixedly connected with described cover plate, and the axle drive shaft of DC machine is fixedly connected with described atomizing disk through the through hole on cover plate.
7. many rotor wing unmanned aerial vehicles variable fog system according to claim 6, is characterized in that, described atomizing disk is hollow truncated conical shape, and one end that wherein round platform diameter is larger is towards described cover plate; Atomizing disk inwall is dentation.
8. the many rotor wing unmanned aerial vehicles variable fog system according to claim 6 or 7, is characterized in that, the sidewall of described atomizing disk and central axis are 30 °.
9. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, is characterized in that, described hydraulic atomization spray nozzle comprises sprayer body, is successively set on piston, spring and filter in sprayer body from top to down;
Sprayer body threaded upper ends connects a nozzle cap, for locking the drug liquid tube be inserted in sprayer body; Sprayer body lower end is threaded a cap of spraying nozzle, nozzle is fixed on the below of sprayer body internal filter.
10. many rotor wing unmanned aerial vehicles variable fog system according to claim 1, is characterized in that, upper backup pad is also fixed with GPS communication control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869477.3U CN205131680U (en) | 2015-11-03 | 2015-11-03 | Many rotor unmanned aerial vehicle variable water -spraying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869477.3U CN205131680U (en) | 2015-11-03 | 2015-11-03 | Many rotor unmanned aerial vehicle variable water -spraying system |
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| CN205131680U true CN205131680U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520869477.3U Expired - Fee Related CN205131680U (en) | 2015-11-03 | 2015-11-03 | Many rotor unmanned aerial vehicle variable water -spraying system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253304A (en) * | 2015-11-03 | 2016-01-20 | 南京林业大学 | Multi-rotor unmanned aerial vehicle variable spraying system |
| CN107088483A (en) * | 2017-05-16 | 2017-08-25 | 北京韦加无人机科技股份有限公司 | The medicine liquid spray shower nozzle and fog machine of a kind of fog machine |
| CN107258740A (en) * | 2017-06-06 | 2017-10-20 | 浙江大学 | A kind of comprehensive self-propelled spray drug operation device |
| CN107535304A (en) * | 2017-08-15 | 2018-01-05 | 李露青 | A kind of unmanned plane flower-watering device |
| CN108536170A (en) * | 2018-06-04 | 2018-09-14 | 南京林业大学 | A kind of aviation variable farm chemical applying monitoring device and method |
| CN108791915A (en) * | 2017-05-02 | 2018-11-13 | 易图科技股份有限公司 | Flight carrier |
| WO2020220215A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市大疆创新科技有限公司 | Spray head device, spraying system, movable platform and spraying operation method therefor |
-
2015
- 2015-11-03 CN CN201520869477.3U patent/CN205131680U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253304A (en) * | 2015-11-03 | 2016-01-20 | 南京林业大学 | Multi-rotor unmanned aerial vehicle variable spraying system |
| CN105253304B (en) * | 2015-11-03 | 2017-10-17 | 南京林业大学 | A kind of multi-rotor unmanned aerial vehicle variable spraying system |
| CN108791915A (en) * | 2017-05-02 | 2018-11-13 | 易图科技股份有限公司 | Flight carrier |
| CN107088483A (en) * | 2017-05-16 | 2017-08-25 | 北京韦加无人机科技股份有限公司 | The medicine liquid spray shower nozzle and fog machine of a kind of fog machine |
| CN107258740A (en) * | 2017-06-06 | 2017-10-20 | 浙江大学 | A kind of comprehensive self-propelled spray drug operation device |
| CN107535304A (en) * | 2017-08-15 | 2018-01-05 | 李露青 | A kind of unmanned plane flower-watering device |
| CN108536170A (en) * | 2018-06-04 | 2018-09-14 | 南京林业大学 | A kind of aviation variable farm chemical applying monitoring device and method |
| CN108536170B (en) * | 2018-06-04 | 2023-05-16 | 南京林业大学 | Aviation variable pesticide application monitoring device and method |
| WO2020220215A1 (en) * | 2019-04-29 | 2020-11-05 | 深圳市大疆创新科技有限公司 | Spray head device, spraying system, movable platform and spraying operation method therefor |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |