CN209684006U - A kind of plant protection drone - Google Patents

Abstract

The utility model provides a kind of plant protection drone, including drone body, and liquid reserve tank is arranged in the bottom of drone body, and drone body is also connected at least a set of sprinkling system, and sprinkling system includes the multiple spray heads that can spray different fogging degree medical fluids；Every set sprinkling system is connected to liquid reserve tank.The utility model has the following beneficial effects: the sprinkling system of different fogging degree medical fluids can be sprayed by setting, meet different classes of crops for atomization demand of the crops in different growth periods to pesticide of the atomization demand of pesticide, the same category, and different planting densities crops to the atomization demand of pesticide.Ensure the specific aim that drug sprays, purpose is clear, sprays high efficiency, while also implying that the adaptable of plant protection drone operation under various circumstances.One frame fog machine can solve over multi rack fog machine resultant force and solve the problems, such as, while production cost reduces, be significantly reduced enterprise or personal financial burden.

Description

A kind of plant protection drone

Technical field

The utility model relates to talents for agri-mechanization field, in particular to a kind of plant protection drone.

Background technique

In recent years, with scale of agricultural production, mechanization, modernization, plant protection drone progresses into the public visual field.By It is reliable and stable, easy to operate possessed by being sprayed in plant protection drone, operating cost is low, duties are high and not by Grain Growth Situation Limitation the advantages that, therefore obtained rapid application and development.

In general, different classes of crops are different the atomization demand of pesticide, the even farming of the same category Object may also be different in atomization demand of the different growth periods to pesticide；In addition, the crops of different planting densities are to pesticide The equally possible difference of atomization demand.Correspondingly, atomizing effect is poor, the droplet volume sprayed is big, weight is big, and sprinkling is uneven, falls It can not be stopped for a long time in crop surface, the growth or bad to the regulation effect of agriculture disease pest to crops.Atomization effect Fruit is good, and the droplet sprayed is small in size, light-weight, although crop surface can be preferably deposited on, pesticide stops on crops It stays the time long, persticide residue is caused to increase, the harmfulness of human body is increased.Meanwhile atomizing effect is good, pesticide is spraying process In also be easy influenced by outer gas stream, may cause some crops cannot obtain pesticide.

However existing plant protection drone is during spraying, and height due to crop planting density, agriculture often occurs The difference of Crop Group and the different growth cycle of crops are different to the fine or not demand of pesticide fogging degree, and single machine once flies Row sprays the phenomenon that being unable to satisfy objective crop demand.To solve the above problems, existing solution mainly passes through to the greatest extent May more than the plant protection drone for purchasing different fogging degrees, for crops concrete condition carry out cooperation spray.

The direct result of above-mentioned measure is exactly that acquisition cost increases obviously, and the financial burden of enterprise or individual are overweight.Together Sample, the successive flight operation of multi rack plant protection drone, also brings the efficiency of pesticide application to reduce, and then improve production cost.And Current flusher is unable to adjust the fogging degree of pesticide, so that different fields are applied with the identical pesticide of fogging degree, Or economic cost is increased, or reduce spraying effect.

Utility model content

For the above technical need and prior art defect, the utility model on the basis for summarizing the prior art, Develop the plant protection drone that a kind of structure is simple, pollination efficiency is high and pollen is not easily damaged.

The utility model specific technical solution is as follows:

A kind of plant protection drone, including drone body, the bottom of the drone body are arranged liquid reserve tank, it is described nobody Machine ontology is also connected at least a set of sprinkling system, and the sprinkling system includes that can spray multiple sprays of different fogging degree medical fluids Head；Sprinkling system described in every set is connected to the liquid reserve tank.

Further, the drone body includes outwardly extending several rotor bars from the top of it, the rotor bar Rotor is arranged in distal end top, and a set of sprinkling system is arranged in the lower section of each rotor.

Further, the distal end setting of the rotor bar connects the support of the sprinkling system, and the rotor is arranged in institute State above support, be connected with below the support can relative seat rotation rotating mechanism, the sprinkling system is connected to described The control system of the free end of rotating mechanism, the rotating mechanism and unmanned plane connects.

Further, the rotating mechanism includes at least one set of rotary unit arranged along the vertical direction, is revolved described in every group Turn unit to include steering engine mounting base, the steering engine being arranged in steering engine mounting base, rocker arm mounting base and be arranged in rocker arm mounting base On rocker arm, fixed even by next group of steering engine mounting base and upper one group of rocker arm free end between adjacent rotary unit It connects；

The bottom of the support, the rocker arm mounting base and the steering engine are set close to the steering engine mounting base of the rotor Rotation connection, the sprinkling system are arranged far from the rocker arm of the rotor；The control system of the steering engine and unmanned plane connects It connects.

Further, the rotating mechanism includes the two groups of rotary units arranged along the vertical direction.

Further, the sprinkling system includes centrifugal energy nozzle and pressure nozzle；The centrifugal energy nozzle and pressure spray Head is disposed side by side on the rocker arm far from the rotor.

Further, the liquid reserve tank bottom is equipped with the water pump that be connected to liquid reserve tank, the water pump by the first pipeline and The pressure nozzle connection, first pipeline is interior to be equipped with the first solenoid valve；The water pump passes through the second pipeline and the centrifugation Spray head connection, second pipeline is interior to be equipped with second solenoid valve；

The water pump, the first solenoid valve, second solenoid valve and centrifugal energy nozzle are connect with the control system of unmanned plane.

Further, the water pump is located at the center of liquid reserve tank bottom.

Further, the liquid reserve tank is funnel-shaped.

Further, the central axis of the liquid reserve tank is overlapped with the central axis of the drone body.

The beneficial effects of the utility model are as follows:

1, in the technical program, the sprinkling system of different fogging degree medical fluids can be sprayed, by being arranged to meet inhomogeneity Other crops for the atomization demand of pesticide, the same category crops in different growth periods to the atomization demand of pesticide, And the crops of different planting densities are to the atomization demand of pesticide.According to the atomization different to medical fluid of crops in a variety of situations Demand, adjustment sprinkling system spray the medical fluid of corresponding fogging degree, so that it is guaranteed that the specific aim that drug sprays, purpose is clear, High efficiency is sprayed, while also implying that the adaptable of plant protection drone operation under various circumstances.One frame fog machine can be with Multi rack fog machine resultant force of solving the problems, such as over solves, and while production cost reduces, has been significantly reduced enterprise or individual Financial burden.

2, in the present solution, liquid reserve tank is funnel-shaped.Liquid outlet is located at the lowermost end of funnel, and medical fluid is by gravity flowing to out Liquid mouth is conducive to medical fluid and uses abundant, prevents from retaining.In addition, the central axis of liquid reserve tank and the central axis of drone body Line is overlapped.Guarantee that liquid reserve tank does not influence the horizontal center of gravity of unmanned plane, is conducive to the harmony sprayed and drone body The safety of flight, while improving the flying speed, load-bearing capacity and continuation of the journey efficiency of rotary wind type unmanned plane.

3, since the shape that sprinkling system spraying pesticide is formed is in umbrella, when four sets of rotating mechanisms rotate synchronously on unmanned plane When being mutually perpendicular to the line for intersecting two sets of opposite rotating mechanisms, the relative position distance of four sets of sprinkling systems is minimum.If phase When being equal to 2 times of the radius R of sprinkling breadth to the distance S of the central point line of two sets of sprinkling systems, the sprinkling width of sprinkling system Face generates maximum intersection in unmanned plane central axis, then crops unit area, the medical fluid obtained in the unit time at the intersection Amount be most, meanwhile and unmanned plane the boundary value of the crops perpendicular to it is completely covered, it is meant that medication at this time Amount is also the smallest.It is analyzed in conjunction with above-mentioned theory, clear rotating mechanism includes the two groups of rotations arranged along the vertical direction again Unit.Sprinkling system is arranged according to above-mentioned requirements in this programme, has both saved the use of medical fluid, has maximally utilized single powder charge Mulch farming object range, promote medical fluid service efficiency, realize the maximization of load, improve operating efficiency, and can be to avoid agriculture The drain spray of crop, can also reduce the persticide residue of agricultural product, to reach ideal control efficiency.

4, sprinkling system includes centrifugal energy nozzle and pressure nozzle；Centrifugal energy nozzle and pressure nozzle are disposed side by side on far from described On the rocker arm of rotor.Wherein, centrifugal energy nozzle atomizing effect is good but penetration power is poor, can require to low-density, to atomizing effect high Crops sprinkling.Pressure nozzle atomizing effect is poor but penetration power is good, can require high density, atomizing effect low crops Sprinkling.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is a kind of structural schematic diagram of plant protection drone shown in embodiment；

Fig. 2 is the structural schematic diagram of sprinkling system shown in Fig. 1；

Fig. 3 is the structural schematic diagram of another sprinkling system.

Wherein: 1, drone body；2, sprinkling system；3, liquid reserve tank；4, support；5, steering engine mounting base；6, steering engine；7, it shakes Arm mounting base；8, rocker arm；9, centrifugal energy nozzle；10, pressure nozzle；11, water pump；12, the first pipeline；13, the second pipeline.

Specific embodiment

For the clearer general idea for illustrating the application, carry out in an illustrative manner with reference to the accompanying drawings of the specification detailed It describes in detail bright.

Many details are explained in the following description in order to fully understand the application, still, the application may be used also To be implemented using other than the one described here other modes, therefore, the protection scope of the application is not by described below Specific embodiment limitation.

In addition, in the description of the present application, it is to be understood that term " center ", "upper", "lower", "front", "rear", The orientation of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the application and simplifies description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present application, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected, can also be communication；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.

In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.In retouching for this specification In stating, the description of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the application In embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to identical embodiment Or example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples It can be combined in any suitable manner.

As Figure 1-Figure 2, a kind of plant protection drone, including drone body 1, in the present solution, plant protection drone is rotation Wing formula unmanned plane, can be DCB Specimen, be also possible to three rotors, quadrotor or more rotors.The bottom of drone body 1 is set Liquid reserve tank 3 is set, drone body 1 is also connected at least a set of sprinkling system 2, to guarantee spraying effect and spraying efficiency, sprays The quantity of system 2 and the quantity of rotor correspond.But in view of the load pressure of unmanned plane and disposable spraying time, sprinkling The quantity of system 2 is no more than 4 sets.Sprinkling system 2 includes the multiple spray heads that can spray different fogging degree medical fluids；Every set sprinkling system System 2 is connected to liquid reserve tank 3.

In the technical program, the sprinkling system 2 of different fogging degree medical fluids can be sprayed by being arranged, it is different classes of to meet Crops for the atomization demand of pesticide, the same category crops in different growth periods to the atomization demand of pesticide, with And the crops of different planting densities are to the atomization demand of pesticide.According to the atomization need different to medical fluid of crops in a variety of situations It asks, adjustment sprinkling system 2 sprays the medical fluid of corresponding fogging degree, so that it is guaranteed that the specific aim that drug sprays, purpose is clear, spray High efficiency is applied, while also implying that the adaptable of plant protection drone operation under various circumstances.One frame fog machine can solve Certainly pass by multi rack fog machine resultant force to solve the problems, such as, while production cost reduces, is significantly reduced the warp of enterprise or individual Ji burden.

In the present solution, liquid reserve tank 3 is funnel-shaped.Liquid outlet is located at the lowermost end of funnel, and medical fluid is by gravity flowing to out Liquid mouth is conducive to medical fluid and uses abundant, prevents from retaining.In addition, the center of the central axis of liquid reserve tank 3 and drone body 1 Axis is overlapped.Guarantee that liquid reserve tank 3 does not influence the horizontal center of gravity of unmanned plane, is conducive to the harmony sprayed and unmanned plane sheet The safety that body 1 flies, while improving the flying speed, load-bearing capacity and continuation of the journey efficiency of rotary wind type unmanned plane.

Specifically, drone body 1 includes setting from above its outwardly extending several rotor bar in top, the distal end of rotor bar Rotor is set, a set of sprinkling system 2 is arranged in the lower section of each rotor.In view of the flying speed of unmanned plane, flight stability and Bearing capacity and spraying efficiency, this programme selects quadrotor formula unmanned plane, and it is corresponding, it is furnished with four sets of sprinkling systems 2.It is by sprinkling The lower section of each rotor is arranged in system 2, not only contributes to the stationarity of unmanned plane during flying, guarantees maximum spraying effect, simultaneously After also taking into account medical fluid ejection, by chance it is located in the downwash flow field that unmanned plane rotor generates, it can be by the effect of downwash flow field Power improves the range that sprays of medical fluid, strengthens the diffusivity effect that medical fluid sprays, improves the falling speed of medical fluid, further increase Spray efficiency.

The support 4 of the distal end setting connection sprinkling system 2 of rotor bar, in the present solution, support 4 is sleeved and fixed in rotor bar Distally, it and positioned at the underface of rotor bar, is easy for installation and removal.Rotor setting is square on the carrier 4, is connected with below support 4 Can the rotating mechanism that rotates of relative seat 4, sprinkling system 2 is connected to the free end of rotating mechanism, rotating mechanism and unmanned plane Control system connection.Wherein, the angle of the vertical centerline of rotating mechanism and the vertical centerline of support 4 both can be 0 °, i.e., The two is parallel or is overlapped；It can also be set within the scope of 0 °~60 °.Preferably, it is contemplated that the maximization of the sprinkling breadth of medical fluid And medical fluid fall to crops time it is most short, the vertical centerline of rotating mechanism it is parallel with the vertical centerline of support 4 or It is overlapped.I.e. rotating mechanism is to be suspended on 4 bottom end of support vertically, and rotating mechanism is rotated horizontally along its vertical axis.Correspondingly, should Sprinkling system 2 changes nozzle position by rotation according to the actual situation, to change sprinkling breadth, improves operating efficiency.

Specifically, rotating mechanism includes at least one set of rotary unit arranged along the vertical direction, every group of rotary unit includes Steering engine mounting base 5, the steering engine 6 being arranged in steering engine mounting base 5, rocker arm mounting base 7 and shaking in rocker arm mounting base 7 is set Arm 8 is fixed between adjacent rotary unit with upper one group of rocker arm, 8 free end by next group of steering engine mounting base 5 and is connect.It leans on The bottom of support 4 is arranged in the steering engine mounting base 5 of nearly rotor, and rocker arm mounting base 7 and steering engine 6 are rotatablely connected, and sprinkling system 2 is arranged On the rocker arm 8 far from rotor, steering engine 6 is connect with the control system of unmanned plane.In view of the bearing capacity and continuation of the journey of unmanned plane Ability, in the present solution, rotating mechanism includes the two groups of rotary units arranged along the vertical direction.

Since the shape that 2 spraying pesticide of sprinkling system is formed is in umbrella, when four sets of rotating mechanisms rotate synchronously on unmanned plane When being mutually perpendicular to the line for intersecting two sets of opposite rotating mechanisms, the relative position distance of four sets of sprinkling systems 2 is minimum.If phase When being equal to 2 times of the radius R of sprinkling breadth to the distance S of the central point line of two sets of sprinkling systems 2, the sprinkling of sprinkling system 2 Breadth generates maximum intersection in unmanned plane central axis, then crops unit area, the medicine obtained in the unit time at the intersection The amount of liquid is most, meanwhile and unmanned plane the boundary value of the crops perpendicular to it is completely covered, it is meant that use at this time Dose is also the smallest.It is analyzed in conjunction with above-mentioned theory, clear rotating mechanism includes the two groups of rotations arranged along the vertical direction again Turn unit.Sprinkling system 2 is arranged according to above-mentioned requirements in this programme, has both saved the use of medical fluid, has maximally utilized single The mulch farming object range of powder charge promotes medical fluid service efficiency, realizes the maximization of load, improves operating efficiency, and can keep away Exempt from the drain spray of crops, the persticide residue of agricultural product can also be reduced, to reach ideal control efficiency.

Specifically, sprinkling system 2 includes centrifugal energy nozzle 9 and pressure nozzle 10；Centrifugal energy nozzle 9 and pressure nozzle 10 are set side by side It sets on the rocker arm 8 far from rotor.Wherein, 9 atomizing effect of centrifugal energy nozzle is good but penetration power is poor, can to low-density, to atomization The high crops sprinkling of effect requirements.10 atomizing effect of pressure nozzle is poor but penetration power is good, can want to high density, atomizing effect Low crops are asked to spray.In the present solution, centrifugal energy nozzle 9 and pressure nozzle 10 are the prior art, it will not be described here.

3 bottom of liquid reserve tank is equipped with the water pump 11 being connected to liquid reserve tank 3, and water pump 11 passes through the first pipeline 12 and pressure nozzle 10 Connection, the first pipeline 12 are interior equipped with the first solenoid valve.Water pump 11 is connected to by the second pipeline 13 with centrifugal energy nozzle 9, the second pipeline Second solenoid valve is equipped in 13.Water pump 11, the first solenoid valve, second solenoid valve and centrifugal energy nozzle 9 with the control system of unmanned plane System connection.By the opening and closing of the first solenoid valve of control or second solenoid valve, the conducting of the first pipeline 12 or the second pipeline 13 is realized, And then complete the autonomous working of pressure nozzle 10 or centrifugal energy nozzle 9.

In addition, water pump 11 is located at the center of 3 bottom of liquid reserve tank.Guarantee that water pump 11 does not have the horizontal center of gravity of unmanned plane It influences, is conducive to the safety that the harmony sprayed and drone body 1 are flown, while improving the flight of rotary wind type unmanned plane Speed, load-bearing capacity and continuation of the journey efficiency.

The working principle of the present apparatus is as follows: being that rocker arm 8 provides rotary power by steering engine 6, so that rocker arm 8 may be implemented 360 degree rotation to achieve the purpose that change nozzle position, and then is capable of increasing pesticide spraying area.When distance between 4 sets of spray heads When reduction, crops unit area obtain pesticide volume increase, at this time can the crops big to pesticide demand spray； When distance becomes larger between 4 sets of spray heads, the pesticide volume that crops unit area obtains is reduced, at this time can be small to pesticide demand Crops are sprayed.

The synchronizing moving and move angle of four sets of centrifugal energy nozzles 9 and pressure nozzle 10 may be implemented by control system Synchronization.The independence of centrifugal energy nozzle 9 and pressure nozzle 10 can also be completed by the concrete condition of control system combination crops The work conversion of the two is realized in work.

It should be understood that as shown in connection with fig. 3, when rotary unit only has one group, the coverage area of sprinkling system 2 is aobvious It writes and reduces, accordingly spraying the time required for crops of the same area dramatically increases, and compared to two groups rotary units spray effect Rate significantly reduces, and production cost significantly improves.

All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method Part explanation.

The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal Replacement, improvement etc., should be included within the scope of the claims of this application.

Claims (10)

1. liquid reserve tank is arranged in the bottom of a kind of plant protection drone, including drone body, the drone body, feature exists In the drone body is also connected at least a set of sprinkling system, and the sprinkling system includes that can spray different fogging degrees Multiple spray heads of medical fluid；Sprinkling system described in every set is connected to the liquid reserve tank.

2. plant protection drone according to claim 1, which is characterized in that the drone body includes outside from its top Rotor is arranged in several rotor bars extended, the distal end top of the rotor bar, and a set of sprinkling is arranged in the lower section of each rotor System.

3. plant protection drone according to claim 2, which is characterized in that the distal end setting of the rotor bar connects the spray Spill the support of system, the rotor is arranged above the support, be connected with below the support can relative seat rotation rotation Rotation mechanism, the sprinkling system are connected to the free end of the rotating mechanism, the control system of the rotating mechanism and unmanned plane Connection.

4. plant protection drone according to claim 3, which is characterized in that the rotating mechanism includes arranging along the vertical direction At least one set of rotary unit, rotary unit described in every group includes steering engine mounting base, the steering engine being arranged in steering engine mounting base, shakes Arm mounting base and the rocker arm being arranged in rocker arm mounting base, between adjacent rotary unit by next group of steering engine mounting base with Upper one group of rocker arm free end is fixed and is connected；

The bottom of the support is set close to the steering engine mounting base of the rotor, and the rocker arm mounting base and the steering engine rotate Connection, the sprinkling system are arranged far from the rocker arm of the rotor；The connection of the control system of the steering engine and unmanned plane.

5. plant protection drone according to claim 4, which is characterized in that the rotating mechanism includes arranging along the vertical direction Two groups of rotary units.

6. plant protection drone according to claim 4, which is characterized in that the sprinkling system includes centrifugal energy nozzle and pressure Spray head；The centrifugal energy nozzle and the pressure nozzle are disposed side by side on the rocker arm far from the rotor.

7. plant protection drone according to claim 6, which is characterized in that the liquid reserve tank bottom is equipped with and is connected to liquid reserve tank Water pump, the water pump be connected to by the first pipeline with the pressure nozzle, and first pipeline is interior equipped with the first solenoid valve；Institute It states water pump to be connected to by the second pipeline with the centrifugal energy nozzle, second solenoid valve is equipped in second pipeline；

The water pump, the first solenoid valve, second solenoid valve and centrifugal energy nozzle are connect with the control system of unmanned plane.

8. plant protection drone according to claim 7, which is characterized in that the water pump is located at the centre bit of liquid reserve tank bottom It sets.

9. plant protection drone according to claim 1 or 8, which is characterized in that the liquid reserve tank is funnel-shaped.

10. plant protection drone according to claim 9, which is characterized in that the central axis of the liquid reserve tank and the nothing The central axis of man-machine ontology is overlapped.