CN209617509U - A kind of unmanned plane sprinkling system and unmanned plane - Google Patents

Abstract

The utility model discloses a kind of unmanned plane sprinkling system and unmanned planes, are mounted on unmanned plane, comprising: cabinet, inside surrounded to form cavity by the outer wall of cabinet, cabinet be equipped at least one filling opening from adding liquid to cavity；Moving parts, portion within the cavity, and the first area for storing liquid, the spout that first area is flowed out at least provided with a liquid are at least surrounded with cabinet exterior；Pressure sensitivity unit can at least incude the pressure change in first area, and can control power unit according to pressure change in first area；Power unit can drive moving parts, with when the pressure change in first area, control moving parts are mobile to inhibit the pressure change in first area, and then maintain the uniform of spout trickle.

Description

A kind of unmanned plane sprinkling system and unmanned plane

Technical field

The present invention relates to unmanned plane fields.

Background technique

UAV referred to as " unmanned plane ", is manipulated using radio robot and the presetting apparatus provided for oneself Not manned aircraft.Without cockpit on machine, but the equipment such as automatic pilot, presetting apparatus are installed.On ground, naval vessels or Machine tool remote control station personnel track it, are positioned, are remotely controlled, telemetering and Digital Transmission by the equipment such as radar.

There are some unmanned planes when flight, need to aerial spraying liquid, such as spray insecticide, in the process of sprinkling Liquid is normally stored in some cabinets in the middle, and is furnished with an imbibition type hydraulic pump, washes liquid from container bottom opening. When operation, ground staff controls hydraulic pump works, extracts liquid from container, and pressurization is sprayed away through jet pipe from spray head.

Existing liquid container, with the consumption of amount of liquid, oscillation of the liquid in container can become to be more easier and acutely, The smooth flight for even influencing unmanned plane, has some impact on flight safety.It is traditional meanwhile with the consumption of amount of liquid Hydraulic pump may intermittently be inhaled less than liquid in container, and uneven or even vent plug is sprayed, and induce equipment damage.

Summary of the invention

The present invention is directed to above-mentioned problem, discloses a kind of unmanned plane sprinkling system, is mounted on unmanned plane, comprising:

Cabinet, inside surrounded to form cavity by the outer wall of cabinet, cabinet be equipped at least one add materials into cavity Filling opening；

Moving parts, portion within the cavity, and the first area for storing material to be sprayed is surrounded with cabinet exterior, first Region is equipped with the spout of at least one material outflow；

Pressure sensitivity unit and power unit, pressure sensitivity unit can incude the pressure change in first area, and can be according to Pressure change controls power unit in one region, and power unit can drive moving parts, to become when the pressure in first area When change, control moving parts are mobile to squeeze or diastole first area, to inhibit the pressure change in first area, Jin Erwei Hold the uniform of spout outflow material.

As an improvement, the pressure sensitivity unit includes the pressure transducer and pressure sensing for incuding first area pressure The controller of device connection, controller connect with power unit and can control power unit, and the pressure transducer will receive To the pressure signal of first area be transmitted to controller.

As an improvement, further include having a second area in the cabinet, moving parts are by second area and first area It separates, the pressure sensitivity unit includes the first space being connected to first area, the second sky with second area or atmosphere Between, moveable medium that the first space and second space are isolated, with when the pressure change in the first space and second space, It is mobile to touch power unit control moving parts to promote the medium motion, and then adjusts the pressure of first area.

As an improvement, second area and atmosphere or from the external world absorb gas to supplement pressure so that second area have There is more constant pressure, further such that first area pressure detection value is more accurate, second area can pass through the side such as air pump Formula supplements pressure from the external world.

As an improvement, the medium can be the mixed of solid dielectric, liquid medium or solid dielectric and liquid medium Close object.

As an improvement, the medium includes air bag, it is the first space outside air bag that inside air bag, which is second space, Air bag, which can change and then be shunk according to the pressure difference of first area and second area, to be extended, and the contraction extension of air bag can control dynamic Power unit is further to control the pressure of first area.

As an improvement, air bag is equipped with an activity template 24 so that activity template can move when 23 expansion and contraction of air bag It moves to control power unit.

As an improvement, being connected with pressure regulating spring on activity template to adjust the fixation pressure difference in the first space and second space Value.

As an improvement, the power unit includes the power tube connected with moving parts, the motor for driving power tube, electricity Machine is controlled by pressure sensitivity unit to control the movement of power tube, controls the movement of moving parts further to inhibit in first area Pressure change.

The invention also discloses a kind of unmanned planes, including body, several rotors, the horn for connecting body and rotor, consolidate The crane being scheduled on horn or body, the unmanned plane includes unmanned plane sprinkling system of the present invention, described Unmanned plane passes through sprinkling system to aerial spraying material.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the invention of embodiment 1；

Fig. 2 is the structural schematic diagram of 1 cabinet of embodiment；

Fig. 3 is the pressure controlled structure chart of embodiment 1；

Fig. 4 is the schematic diagram of 1 transmission structure of embodiment；

Fig. 5 is the whole structural schematic diagram of embodiment 1；

Fig. 6 is the schematic diagram of 1 outer cylinder of embodiment and drive sleeve locking；

Fig. 7 is 1 outer cylinder of embodiment and the schematic diagram that drive sleeve is unlocked；

Fig. 8 is the schematic diagram that 1 moving piston of embodiment reaches bottom；

Fig. 9 is the structural schematic diagram of 1 inner cylinder of embodiment；

Figure 10 is the structural schematic diagram of 1 drive sleeve of embodiment；

Figure 11 is the structural schematic diagram for implementing 2；

Figure 12 is the schematic diagram of the product of implementation 2；

Figure 13 is the schematic diagram implementing 2 side and observing；

Figure 14 is the schematic diagram implementing 2 top and observing；

Figure 15 is an embodiment for implementing 2 air nozzles；

Figure 16 is the another embodiment for implementing 2 air nozzles；

Figure 17 is the another embodiment for implementing 2；

Marked in the figure:

Embodiment 1:1- cabinet, 2- moving piston, 3- outer cylinder, 4- inner cylinder, 5- uplink retainer, 6- sliding rail guider, 7- Downlink retainer, 8- sealing ring, 9- shell, 10- contactor, 11- pressure regulating spring, 12- motor, 13- transmission mechanism, 14- Spout, 15- pressure filling mouth, 16- P1 pressure interface, 17- blow vent, 18- gravity filler, 21- outer cylinder rotation lock, 22-P0 Pressure interface, 23- air bag, 24- activity template, 25- drive sleeve；

Embodiment 2:1- body, 2- horn, 3- rotor, 31- mounting base, 32- power motor, 33- blade, 4- duct, 5- Fan component, 51- fan spindle bearing, 52- fan, 6- airstream deflector, 7- pressure relief opening, 71- pressure release valve, 72-, which has, closes letting out for spring Press curtain shaft, 8- gas collection seat, 9- air nozzle, 10- container case, 101- filler, 102- discharge port, 11- spinner plate, 111- biography Dynamic stick, 112- transmission shaft, 113- bearing, 114- motor, 12- undercarriage.13- cleaning device, 131- blender, 132- bristle.

Specific embodiment

Embodiment 1:

Fig. 1-10 is a kind of embodiment disclosed by the invention, as shown in Figure 1, the invention discloses a kind of unmanned plane sprinkling systems System, the liquid or solid for unmanned plane spray, and unmanned plane sprinkling system includes the cabinet 1 being mounted on unmanned plane, in cabinet 1 Portion is cavity, and moving piston 2 is equipped in the cabinet 1, and the cavity of cabinet is isolated into first area (Fig. 1 by moving piston 2 In a-quadrant) and second area (B area in Fig. 1), be equipped with inner wall in cabinet, moving piston 2 connect with inner wall with being capable of general First area and second area are mutually isolated to prevent gas in first area and second area or liquid or solid first Circulation between region and second area.Moving piston is connected with power unit and is driven by power unit, with can be in cavity Interior mobile extruding first area.

1 lower part a-quadrant of movable piston in first area such as attached drawing 1, the moving piston top area B in second area such as attached drawing 1 Domain.Moving piston 2 can be moved inside cabinet 1 to change the volume of first area and second area.During sprinkling, the One region by whole or in part be full of the liquid or solid to be sprayed, be connected with spout 14 with first area, sprinkling when It waits, as material is sprayed from spout 14, the pressure of first area can reduce and then the sprinkling of the material of influence, at this time moving piston 2 are actuated to squeeze the liquid or solid in first area towards first area direction movement (X-direction in Fig. 1) and make Material is sprayed from spout 14, as shown in Figure 1, spout can directly and air communication is so that liquid can directly be sprayed by spout 14 To aerial, spout can also connect other attached flushers.

As it appears from the above, first area and second area are isolated moving piston 2, and enable to moving piston that can move It is dynamic, as shown in Figure 1, being equipped with sealing ring 8 between moving piston 2 and cabinet wall, naturally it is also possible to pass through other conventional components It is sealed.

In order to guarantee the stability of sprinkling, it is required that the pressure of first area is very constant, it for convenience's sake, can not Consider that the gravity of each component itself, moving piston are F1 by the pressure of first area, the pressure by second area is F0, is moved The motive force that power unit provides is F, i.e. F1=F+F2, and first area is P1, second area to the pressure of moving piston in the present invention It is P0 to moving piston pressure, wherein P1 and F1 are directly proportional, and PO and FO are directly proportional.In order to guarantee that material sprays in first area Stability, the pressure in first area is maintained at the i.e. P of relatively stable level when sprinkling, first area Pressure also has admissible fluctuation by a small margin near P.When sprinkling, as partially liq is sprayed from spout 14, first Pressure P1 declines in region, is less than P, moving piston will be driven to squeeze first area by power unit this when, in turn So that the pressure in first area is restored near P1.

In a specific embodiment, cabinet is equipped with a blow vent 17, and second area is by blow vent 17 and greatly Gas connection, therefore, pressure in second area can all-the-time stable in atmospheric pressure, pressure of the second area gas to moving piston F0 is remained unchanged.Blow vent 17 may be provided at the position far from first area, so that blow vent 17 was moved in moving piston When be connected to always with second area.

In order to guarantee that the pressure of first area maintains a stable level, the present embodiment unmanned plane sprinkling system is equipped with One pressure regulator, so that the pressure is adjusted when first area pressure P1 is reduced or when deviation P is enough Device can touch power unit automatically, squeeze first area to control moving piston 2.And in a more preferred case, when When first area pressure is higher than P certain value, pressure-regulating device can touch automatically power unit and moving piston is stopped Only squeeze first area.

In a preferred embodiment, pressure-regulating device includes first space (Fig. 1 being connected to first area In the second space (region D in Fig. 1) that is connected to second area of the region C, being equipped between the first space and second space can Mobile medium, when being reached a certain level with the pressure difference when the first space and second space, the medium is mobile to touch power Unit controls moving piston movement, and then adjusts the pressure of first area, and can reduce the pressure of the first space and second space Difference, the first space and second space pressure difference are reduced, and medium is mobile, are stopped with touching power unit control moving piston.

In preferred embodiment, as shown in figures 1 and 3, pressure-regulating device its include scalable air bag 23, shell 9, connecting tube.Second area is equipped with a P0 pressure interface 22, and its exterior is equipped with air bag 23, air bag 23 is pressed by PO Power interface 22 is connected to second area so that the pressure in air bag is the pressure P0 of second area, and air bag is wrapped up by shell 9, shell Body is connected to by sealing and with first area, so that the pressure inside air-bag shell body is P1, it such as can be in the cabinet of first area It is equipped with a P1 pressure interface 16, P1 pressure interface 16 is connected to by connecting tube with the inside of shell 9.Air bag is equipped with an activity Piece 24 is so that activity template can be moved to trigger power unit when 23 expansion and contraction of air bag.Activity template and housing bottom It can be connected by pressure regulating spring 11, as shown in figure 3, the bottom of a pair of of pressure regulating spring one end connection activity template 24, separately One end connects the bottom of shell 9, and spring is stretched so that (pressure of second area) and air bag 23 (the firstth area outside in air bag 23 The pressure in domain) there is fixed pressure difference, the size of the pressure of the fixation can be realized by pressure regulating spring.With sprinkling It carries out, the pressure of first area becomes smaller, at this point, the pressure difference of first area and second area can become larger, balloon expansion leads to activity Piece moves up, and activity template 24 is connected with a contactor 10, the mobile triggering contactor movement of activity template, the fortune of contactor It moves so that the circuit of connection motor forms access, or can issue signal to control system, control system controls motor, motor Starting be triggered to drive power unit, power unit controls moving piston and moves towards first area direction to squeeze the firstth area Domain, above-mentioned extruding promote first area pressure to become larger, and after first area pressure becomes larger, the pressure difference of first area and second area becomes Small, balloon contraction, activity template is moved downward makes control motor circuit form open circuit with control contactor, and motor is powered down, or Signal control motor is issued to control system, power unit stops driving moving piston.In a spraying operation, above-mentioned steps It intermittent can carry out to maintain the pressure of first area in a stable level, to guarantee the uniformity of sprinkling.Pressure is adjusted The pressure difference of P1 and P0 is adjusted in spring, so that the difference between P1 and P0 is stablized in fixed level.

In further preferred embodiment, power unit is equipped with a motor 12 that moving piston 2 can be driven to move, pressure Emphasize that regulating device is additionally provided with contactor 10, contactor movement can form or disconnect access to control the work of motor 12, such as start And stopping.In more specific scheme, which is attached on shell, and can be controlled by activity template 24, such as when air bag expands When exhibition, activity template moves up control contactor to form access starting motor 12；When balloon contraction, activity template It moves down, activity template control touches piece, access is disconnected, so that motor 12 stops.

Fig. 9-10 is one embodiment of power unit, and power unit as shown in Figure 9 is equipped with a driving moving piston and moves Dynamic inner cylinder 4, the drive sleeve 25 being connect with inner cylinder 4, motor 12, the transmission mechanism 13 for connecting motor and drive sleeve 25, outside inner cylinder 4 Surface is equipped with external screw thread, and 25 inner surface of drive sleeve is equipped with internal screw thread, and inner cylinder 4 and drive sleeve 25 are threadedly coupled, drive sleeve and motor Between be equipped with transmission mechanism 13 can drive drive sleeve around its axially rotate, transmission mechanism can be preferably belt, gear, Or belt and the cooperation of gear etc..Motor drives drive sleeve rotation to drive inner cylinder along the axial direction of inner cylinder by transmission mechanism Direction is mobile, and further driving moving piston 2 moves, and achievees the purpose that inhibit first area pressure change.Drive sleeve is consolidated It is scheduled on to forbid drive sleeve 25 in the axial direction movement of inner cylinder 4 on cabinet 1, and drive sleeve 25 is merely capable of around inner cylinder 4 axial rotation, specifically as shown in Figure 10, drive sleeve main body are cylindrical structure, and bottom is equipped with a circle protrusion, raised Part sticks into the position covered between the concave ring of cabinet 1 with fixed conveyor.Be equipped between drive sleeve and cabinet lubricating oil, bearing etc. with Drive sleeve is rotated compared with low-frictional force.

In above-mentioned this power unit structure operational process, in order to enable moving piston large range of can move Dynamic, the inner cylinder long enough to be designed, at least inner cylinder are greater than the moveable range of moving piston, when sowing, in order to mention High single sows workload, needs to pre-install enough materials, and cabinet to be designed sufficiently large in this case, thus needs It wants moving piston that there is biggish movable distance, but the height of inner cylinder can be improved, and since cabinet is typically housed in nobody The lower section of machine, the difficulty that longer inner cylinder can make installation become, or even the overall construction design of unmanned plane is influenced, because not changing Under the premise of becoming moving piston moving range, the length for reducing inner cylinder will have biggish meaning.

In order to solve the above-mentioned inner cylinder length issue pointed out, another embodiment as viewed in figures 5-8, describe more preferably Embodiment, as shown in FIG. 6, power unit is equipped with an inner cylinder 4, and inner cylinder 4 is fixedly connected with piston 2, and inner cylinder 4 can be driven To control the movement of piston, inner cylinder is threaded with outer cylinder 3, and outer cylinder 3 is threaded with drive sleeve 25, drive sleeve 25 and motor 12 Between by transmission mechanism 13 be connected such that motor 12 by transmission mechanism 13 can drive drive sleeve around its axially turn Dynamic, transmission mechanism can be preferably the cooperation etc. of belt, gear or belt and gear.Since drive sleeve 25 and outer cylinder 3 are It is threadedly coupled, can drive outer cylinder along the axial movement of outer cylinder when drive sleeve 25 is motor driven rotation, and then outer cylinder It can drive inner cylinder that can also inner cylinder be driven to move axially along if outer cylinder rotates along the axial movement of inner cylinder It is dynamic.It is as shown in FIG. 6, a pair of of outer cylinder rotation lock 21 is equipped between outer cylinder and drive sleeve 25 to limit between outer cylinder and drive sleeve Mutual rotation, and then when drive sleeve by driving rotate when, be able to drive outer cylinder and rotate together.Meanwhile outer cylinder rotation lock 21 can also be unlocked by external force, with when drive sleeve is rotated by driving, outer cylinder can be moved axially along outer cylinder.Such as Fig. 6 Shown in, outer cylinder upper end is equipped with a downlink retainer 7, and inner cylinder upper end is equipped with a protrusion 41.When the first area quilt of unmanned plane When material is full of, all or most of inner cylinder is inserted into outer cylinder, and inner cylinder most one end is equipped with uplink retainer 5 in limitation Overexercise on cylinder is super.As shown in fig. 6, motor 12 operates, since this when of outer cylinder rotation lock 21 is by outer cylinder and drive sleeve Fixed, under transmission mechanism effect, drive sleeve is rotated by driving, and then outer cylinder 3 is driven to rotate, due between outer cylinder 3 and inner cylinder 4 There is screw-driven, inner cylinder 4 is forced to move downward；When inner cylinder 4 reaches the limit values, as shown in fig. 7, the protrusion 41 of inner cylinder upper end is compeled Outer cylinder rotation lock 21 is set to unlock, and outer cylinder and inner cylinder are no longer threadedly coupled, outer cylinder no longer drives lower rotation by transmission mechanism, passes Dynamic set rotation can drive outer cylinder to rotate down, and outer cylinder switchs to downward sliding, and outer cylinder slide downward can drive 4 slide downward of inner cylinder And control the movement of piston further to squeeze first area.As shown in figure 8, outer cylinder reaches when piston reaches bottom At lower position-arresting, the downlink retainer of outer cylinder is transmitted set and contradicts, and can control motor to power off at this time, such as in one embodiment, Downlink retainer is equipped with force snesor, and when being transmitted set conflict, force snesor transfers signals to corresponding controller, Motor is controlled to close.Such mode, the length of inner cylinder can be close to the length of outer cylinder, and inner cylinder can be deep into outer cylinder, lead to Sprinkling system is located at the lower section of unmanned plane in normal situation, and space is limited in this way, under limited occupied space, Ke Yiyan The moving distance of long piston is equipped with sliding rail guider 6 on cabinet in the present invention and limits the mobile position of inner barrel and outer barrel.

Embodiment 2:

Specific embodiment 1: Figure 11-17 is another embodiment disclosed by the invention, present embodiment discloses it is a kind of nobody Machine, which can collect the rotor wind-force below rotor, and the rotor wind-force is transported to going out for sprinkling material container case In material mouth, and material is driven to spray from discharge port.

Specifically, Figure 11 illustrates the schematic diagram of one embodiment of the invention, is cutting for main component of the invention The schematic diagram in face, the figure include the main component of the present embodiment, and specifically it includes drone body, container case 1, are drawn Wind component.The drone body can be most of component of existing unmanned plane, and as shown in figure 11, drone body may include Body 1, rotor 3 and the horn 2 for connecting body 1 and rotor 3；As shown in figure 11 is only the schematic diagram of each component, not generation The specific component of table, the structure of specific component and position can be adjusted according to the actual situation.It is as shown in figs. 12-14 body A 1 specific schematic diagram.

The container case for storing material to be sowed, inside be pre-placed and need when unmanned plane is sent out The material sent out, container case include the discharge port 102 for sending out material, and discharge port 102 is usually located at the lower section of container case, are held Device case can be used existing container case and be improved appropriately.

Rotor wind-force below at least one rotor can be transported to the discharge outlet of container case by the air inducing component To drive the material in container case to spray from discharge port, air inducing component includes pressure relief opening so that extra rotor wind-force can be let out Out, and upper action edge is provided.Air inducing component utilizes unmanned plane downwash flow, and downwash flow is pressurized acceleration in air inducing component, most Injection drives particle to spray from discharge port afterwards.This can be designed so that the moderate enough of discharge port design, not need in order to anti- The heavy caliber for only blocking and designing, and since the effect of air-flow can prevent material from blocking in small-bore discharge outlet.Together When, saving tradition and sowing system is to obtain material to sow the extra power device for spraying and needing out of container, and reduce nothing Man-machine weight improves load-carrying and the course continuation mileage of unmanned plane.

In a specific embodiment, unmanned plane includes that there are four rotors, and as shown in figure 14, air inducing component includes It collects the airstream deflector 6 of different rotor wind-force and the gas collection unit that connects with airstream deflector is so that the rotation being collected into from different rotors Wing wind-force collects in gas collection unit, and the rotor wind-force that the gas collection unit will collect is sprayed from discharge outlet to drive container Material in case is sprayed from discharge port.As shown in figure 11 in more specific embodiment, gas collection unit includes and each The gas collection seat 8 of airstream deflector connection and the air nozzle 9 connected with gas collection seat.As shown in figure 11, gas collection seat 8 is equipped with 4 mouths It is connected respectively with 4 airstream deflectors, gas collection seat and airstream deflector can be integrated chemical conversion type or removably connect, the collection Gas seat is also connected with air nozzle 9 other than connecting with four to airstream deflector, and the air-flow in gas collection seat is passed through air Nozzle sprays.As shown in figure 11, the air nozzle and gas collection seat can also can removably be connected with integrated molding It connects, in preferred embodiment, is connected to be dismountable, and air nozzle is the hollow structure of a strip.Such as figure Shown in 11, a part of the gas collection seat is located in container case, and a part is located at outside container case, and air nozzle is respectively positioned on appearance In device case.Air nozzle one end is connected with gas collection seat, and the other end is located at the discharge outlet of container case, in preferred one embodiment In the middle, discharge port is equipped with a segment pipe shape structure, and as shown in figure 15, the outlet of air nozzle is just in pipe-like, the pipe Road shape structure can make material uniformly pass through and be sowed from pipe-like under the drive for the air-flow that nozzle sprays.Another In a implementation, the outlet of air nozzle can also be located above pipeline, as shown in Figure 6.Specific location can be according to sowing It needs to carry out appropriate adjustment.

In a specific embodiment, in order to promote further scattering for material, the lower section of the air nozzle Equipped with a spinner plate 11, sows disk and connected by a rotation axis 112 with body, which passes through air nozzle sum aggregate Gas seat.As shown in figure 17, which is also driven by body and rotates, so that sowing disk can rotate further such that falling to Sowing the material on disk can scatter, and body includes motor 114 to drive rotation axis to rotate, and connects in transmission shaft with body Place is equipped with bearing 113 to guarantee that transmission shaft and body are relatively rotatable to each other, transmission shaft and wind collecting unit or/and air nozzle also by Connection ring or bearing connection.

When sowing, there are some materials that can be bonded on the inner wall of container case, on the one hand waste material, another party can pollute Next time sows, therefore in preferred embodiment, is connected with cleaning device 13 as shown in figure 17, on air nozzle, described Cleaning device can when sowing cleaning container case inner wall, in the embodiment shown in Figure 17, the cleaning dress Setting includes the blender 131 connected with air nozzle, and blender also is provided with one or more, and such as 2 or 3, stirring Device is equipped with bristle 132, can be with the interior wall construction of container case, and the outer arm of air nozzle is equipped with can be with the ring of relative atmospheric nozzle Shape mechanism, cyclic structure are connected with blender, and cyclic structure can be driven, with relative atmospheric nozzle rotation, to drive stirring Device rotates and then drives 132 cleaning container wall of bristle.In other embodiment, blender is connected directly between rotation axis On 112, rotated by rotation axis rotate driving blender.

In the present invention, drone body further includes having duct 4, and air inducing component one end is mounted below duct to be contained with collecting Rotor wind-force in road.One embodiment as shown in figure 11, rotor are located in duct, airstream deflector be connected to duct just under Side, to collect the rotor wind-force in duct, as shown in figure 11, in a preferred embodiment, rotor wind-force leads to after entering airstream deflector Enter gas collection seat 8 after crossing smooth curved structure, the smooth curved structure can reduce the resistance of rotor wind-force to the greatest extent Power, in a more preferred embodiment, the smooth curved structure are the structure of sectional area reduction, i.e., in the connection with duct It is greater than at the sectional area that is connected with gas collection seat of airstream deflector (at Figure 11 B point) (at Figure 1A point) at sectional area, and at A point and B Between point, the sectional area of smooth curved structure is reduced in one section or multistage, so on the one hand in reduction airstream deflector wind-force by Resistance, on the other hand, may make the wind-force into gas collection seat to have sufficiently large flow velocity, with further increase air nozzle ejection Air velocity, make it possible to sufficiently to drive material to spray.In preferred embodiment, the sectional area of gas collection seat, which has, is also Gradually decrease perhaps that one section of air nozzle or whole section of sectional area are successively reduced in some other preferred embodiment There are enough flow velocitys with the air for guaranteeing that air nozzle sprays.

Due to the high-speed rotation of rotor, on the one hand rotor wind-force below unevenly can influence the stability of unmanned plane, On the one hand the collection of rotor wind-force is also influenced.In order to solve this problem, in preferred embodiment, the unmanned plane It further include fan component 5, the fan component can be located in duct, can also be located in airstream deflector, in one embodiment In the middle, as shown in figure 11, fan component is located in duct, as shown in figure 11, fan component include fan spindle bearing 51 and with The fan 52 of fan spindle bearing connection.

As shown in figure 12, the lower section of fan component is equipped with a pressure relief opening 7, and the pressure relief opening can be for underface (such as Shown in Figure 12) or can immediately below it is slightly as shown in figure 11 outwardly, the pressure relief opening rotor wind-force can pass through, with Disperse extra rotor wind-force, and is capable of providing action edge.In preferred embodiment, pressure relief opening is equipped with and can beat The pressure release valve 71 of open and close pressure relief opening and the pressure release curtain shaft 72 for having closing spring connected with pressure release valve.In one kind In the case of, pressure release valve closes pressure relief opening, and the rotor wind-force below rotor enters airstream deflector 6, and sprays from air nozzle Out, this in this case, air nozzle, which sprays air-flow, to be had sufficiently large, sufficiently material can be driven to spray.In another situation Under, some or all of opening of pressure relief opening, portion of air enters airstream deflector from air nozzle by pressure relief opening, portion of air It sprays.So pressure release valve can play adjust the function that air nozzle sprays air-flow can be on specific regulative mode Airstream deflector or air nozzle etc. are equipped with sensor to detect the parameters such as wind speed, air pressure, and the control connected by sensor The opening and closing of device control pressure release valve.Above embodiment is able to maintain the stability or as needed of the air-flow of air ejection It is adjusted, sows uniform to improve, and according to material or the different adjustment of requirement can be sent out send out efficiency.

As shown in figure 11, container case further includes having the filler 101 to add materials, in embodiment illustrated in fig. 11, filling Positioned at the top of container case, in other embodiment, filler can also be located at the side of container case.The container The structure size of case carries out appropriate adjustment as needed.

As shown in figure 11, drone body further includes having undercarriage 12, and undercarriage is connected with horn, and container case has been mounted on It falls on frame and is fixed by undercarriage.

In the present embodiment, rotor 3 includes to install the mounting base 31 of power motor, power motor 32 and by power Motor-driven blade 33.

Claims (10)

1. a kind of unmanned plane sprinkling system, is mounted on unmanned plane characterized by comprising

Cabinet (1), inside surrounded to form cavity by the outer wall of cabinet, cabinet is equipped at least one and adds materials into cavity Filling opening；

Moving parts, portion within the cavity, and the first area for storing material to be sprayed, first area are surrounded with cabinet exterior Spout (14) equipped with the outflow of at least one material；

Pressure sensitivity unit and power unit, pressure sensitivity unit can incude the pressure change in first area, and can be according to the firstth area Pressure change controls power unit in domain, and power unit can drive moving parts, with when the pressure change in first area, Control moving parts are mobile to squeeze or diastole first area, to inhibit the pressure change in first area, and then maintain spray Mouth flows out the uniform of material.

2. unmanned plane sprinkling system as described in claim 1, which is characterized in that the pressure sensitivity unit includes induction first The pressure transducer of area pressure, the controller connecting with pressure transducer, controller connect with power unit and can control The pressure signal of the first area received is transmitted to controller by power unit, the pressure transducer.

3. unmanned plane sprinkling system as described in claim 1, which is characterized in that further include having one second area in the cabinet Domain, moving parts separate second area and first area, and the pressure sensitivity unit includes the first sky being connected to first area Between, with the second space of second area or atmosphere, the moveable medium that the first space and second space are isolated, to work as When the pressure change of the first space and second space, it is mobile to touch power unit control moving parts to promote the medium motion, And then adjust the pressure of first area.

4. unmanned plane sprinkling system according to claim 3, which is characterized in that second area and atmosphere or from atmosphere Gas is absorbed with constant pressure.

5. unmanned plane sprinkling system according to claim 3, which is characterized in that the medium can for solid dielectric, The mixture of liquid medium or solid dielectric and liquid medium.

6. unmanned plane sprinkling system according to claim 5, which is characterized in that the medium includes air bag, air bag Inside is second space, is the first space outside air bag, air bag can be changed according to the pressure difference of first area and second area into And extension is shunk, the contraction extension of air bag can control power unit further to control the pressure of first area.

7. unmanned plane sprinkling system according to claim 6, which is characterized in that air bag be equipped with an activity template (24) so that Activity template can be moved to control power unit when obtaining air bag (23) expansion and contraction.

8. unmanned plane sprinkling system according to claim 7, which is characterized in that be connected with pressure regulating spring on activity template To adjust the fixation pressure difference in the first space and second space.

9. unmanned plane sprinkling system according to claim 1-8, which is characterized in that the power unit includes The motor (12) of the power tube, driving power tube that connect with moving parts, motor are controlled by pressure sensitivity unit to control power tube Movement controls the movement of moving parts further to inhibit the pressure change in first area.

10. a kind of unmanned plane including body, several rotors, the horn for connecting body and rotor, is fixed on horn or body On crane, which is characterized in that the unmanned plane includes the described in any item unmanned plane sprinkling systems of claim 1-8, The unmanned plane passes through sprinkling system to aerial spraying material.