CN207078317U - A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle - Google Patents
A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle Download PDFInfo
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- CN207078317U CN207078317U CN201720963572.9U CN201720963572U CN207078317U CN 207078317 U CN207078317 U CN 207078317U CN 201720963572 U CN201720963572 U CN 201720963572U CN 207078317 U CN207078317 U CN 207078317U
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- aerial vehicle
- unmanned aerial
- warehouse
- rotor unmanned
- impeller
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Abstract
The utility model discloses a kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle, including fuselage, horn and motor cabinet, the motor cabinet is connected with nozzle system, the nozzle system includes housing and the impeller for atomization medicine, double end motor, rotor and impeller described in the double end motor drive connection are installed in the motor cabinet；The warehouse of force (forcing) pump is provided with below the fuselage, delivery pipe is provided between the warehouse and the housing；Switch module, the control module connection of the switch module and unmanned plane are installed on the force (forcing) pump.Utilize the characteristics of multi-rotor unmanned aerial vehicle carrying weight is smaller, flight controllability is strong, suitable for middle-size and small-size farmland herbal sprinkling, and it can be sprayed with emphasis, motor is arranged to double end motor, on the basis of drive device is not increased, liquid medicine is atomized using the impeller of high-speed rotation, sprayed, substitute manual labor, cost is reduced, and without remaining for walking furrow in advance between farmland, improves farmland utilization rate.
Description
Technical field
The utility model is related to agricultural unmanned plane field, specifically, be a kind of more rotors of centrifugal herbal sprinkling nobody
Machine.
Background technology
Unmanned plane is the abbreviation of " UAV ", and english abbreviation is " UAV ", is to utilize radio robot and oneself
The not manned aircraft that standby presetting apparatus manipulates.The concept of unmanned plane comes across in the 1920s, with science and technology earliest
Make rapid progress, unmanned air vehicle technique is more and more ripe, and the application of unmanned plane gradually enters into the public visual field, and unmanned plane is at civilian aspect
It is that unmanned plane has really just needed now using more and more extensive, unmanned plane+sector application.
In traditional agriculture production, peasant's fertilising, spray insecticide and the prevention to pest and disease damage the condition of a disaster is complete by rule of thumb,
In operation process, every soil and crops are seen to every thing oneself, this extensive operating type, intensity is big, efficiency is again low, and is
It is easy to later spray medicine, it is also necessary to furrow is reserved between crops, reduces farmland utilization rate and crop yield.With
The development of unmanned plane science and technology, we can spray medicine using unmanned plane, substitute heavy manual labor, liberate the productive forces,
And reduce cost, increase the benefit.But existing herbal sprinkling unmanned plane is mostly fixed-wing unmanned plane, fixed-wing unmanned plane has to
Have it is certain just have lift with the relative velocity of air to fly because this principle, Fixed Wing AirVehicle have flight speed
The characteristics of degree is fast, both economical, and carrying capacity is big, more suitable for large-scale farmland, cost is higher if for small-sized agricultural land, and only
Indifference sprinkling can be carried out, it is impossible to a certain region emphasis is sprayed, is now badly in need of a kind of herbal sprinkling suitable for middle-size and small-size farmland
Unmanned plane, and emphasis sprinkling can be carried out.
Utility model content
The purpose of this utility model is to provide a kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle, suitable for middle-size and small-size agriculture
Medicine is sprayed in field, for substituting manual labor, reducing cost, increase the benefit, and can carry out emphasis sprinkling, workable.
The utility model is achieved through the following technical solutions：
A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle, including multi-rotor unmanned aerial vehicle fuselage, horn and with the horn
The motor cabinet being fixedly connected, the motor cabinet lower section, which is detachably fixed, is connected with nozzle system, and the nozzle system includes side wall
Tubular shell with opening and the impeller for atomization medicine, output end and lower output end are provided with the motor cabinet
Double end motor, the rotor for providing lift, the lower output end and the impeller-driven are installed in the upper output end
Connection；The warehouse of force (forcing) pump is provided with below the fuselage, is provided with feeding opening at the top of the warehouse, bottom is provided with drug
Mouthful, the delivery pipe for UNICOM is provided between the medicine outlet and the opening of the housing；It is provided with out on the force (forcing) pump
Close module, the control module connection of the switch module and unmanned plane.The utility model carries storage using multi-rotor unmanned aerial vehicle
The warehouse of liquid medicine and the nozzle system for spraying liquid medicine, multi-rotor unmanned aerial vehicle are winged to balance by lift caused by multiple rotors
The gravity of row device, aircraft can be flown up and comes, the steady and posture of aircraft is controlled by changing the rotating speed of each rotor,
So multi-rotor aerocraft can hover, flown in certain speed range with arbitrary speed.Multi-rotor unmanned aerial vehicle stationarity
Good, workable, carrying weight is relatively fixed that wing unmanned plane is smaller, goes for the herbal sprinkling work in middle-size and small-size farmland
Make, and the farmland region for needing emphasis to spray slowly can even be hovered to carry out emphasis sprinkling, be solved existing
In technology can not emphasis sprinkling the problem of.By the way that the motor for driving rotor wing rotation is arranged into double end motor, the double end motor
Upper output end drive the rotor wing rotation to provide flight necessary lift, the lower output end driving impeller of the double end motor
Rotate, then the medicine outlet of the warehouse is connected with the opening in the housing sidewall by delivery pipe, so as in the warehouse
Pressurization pump work liquid medicine is pumped in the housing by delivery pipe, liquid medicine is atomized using the impeller of high-speed rotation, and
Farmland is sprayed to, realizes the effect for substituting manual labor, human resources input is reduced, reduces cost, while use unmanned plane
When spraying medicine, people may not necessarily enter farmland, without remaining for walking furrow in advance between farmland, improve farmland utilization rate.
Preferably, the enclosure interior is provided with the screen cloth of centre bore, and the screen periphery is solid circle, the reality
More hole sizer walls are fixedly installed on heart annulus, the aperture of more hole sizer walls is more than the aperture of the screen cloth.More hole sizer walls
Form toroidal cavity between the housing, the pressurization pump work in the warehouse, liquid medicine is pumped to shower nozzle system by delivery pipe
System, the toroidal cavity that liquid medicine enters between the housing and more hole sizer walls, then the hole by more hole sizer wall surroundings
Uniformly ooze out, then uniformly dripped by screen cloth, after more hole sizer walls and the screen cloth, the liquid medicine of drippage is more uniformly distributed,
Certain drippage will not be concentrated on, water droplet is also smaller, is more beneficial for liquid medicine and is fully atomized by the impeller, improves liquid medicine and utilizes
Rate, reduce cost, increase the benefit.
Preferably, the warehouse is in inverted cone or regular polygon pyramid, and the bottom of the warehouse is provided with
Medicine outlet, spherical splitter is provided with the medicine outlet, and the spherical splitter includes hollow ball shape cavity and connection drug
The supervisor of mouth, and the branch pipe of connecting conveying pipe.By the way that the warehouse is arranged into inverted cone or regular polygon pyramid
Body, no matter the storage of liquid medicine is how many, and the center of gravity of the warehouse is always positioned at the center of unmanned aerial vehicle body, avoids unmanned plane center of gravity
Shakiness, while medicine outlet is set in the bottom of the warehouse, exported beneficial to liquid medicine, and spherical branch is installed in the medicine outlet
Device, the water pressure at each branch pipe of the spherical splitter is equal, by setting the spherical splitter, at each nozzle system
Water is equal, and sprinkling is more uniformly distributed, and avoids drain spray, more sprays, improves operating efficiency and benefit.
Preferably, the housing lower end is horn mouth, is easy to the liquid medicine of atomization to spray.
Preferably, the impeller carries drive rod, and the drive rod is threadedly coupled with the lower output end, the screen cloth
Disrance sleeve is fixed with centre bore, the disrance sleeve is connected with the drive rod bearing.
Preferably, the warehouse, fuselage and horn surface are provided with the annular buckle for fixing the delivery pipe.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）Multi-rotor unmanned aerial vehicle balances the gravity of aircraft by lift caused by multiple rotors, allows aircraft can be with
Fly up and, the steady and posture of aircraft is controlled by changing the rotating speed of each rotor, so multi-rotor aerocraft can hang
Stop, flown in certain speed range with arbitrary speed.The utility model carries storage liquid medicine using multi-rotor unmanned aerial vehicle
Warehouse and the nozzle system for spraying liquid medicine, multi-rotor unmanned aerial vehicle stationarity is good, workable, and carrying weight is relatively fixed
Wing unmanned plane is smaller, goes for the herbal sprinkling work in middle-size and small-size farmland, and the Farmland for needing emphasis to spray
Domain slowly can even hover to carry out emphasis sprinkling, solve fixed-wing herbal sprinkling UAV flight weight in the prior art
Amount is big, and cost is higher during herbal sprinkling for middle-size and small-size farmland, and can not emphasis sprinkling the problem of.
（2）By the way that the motor for driving rotor wing rotation is arranged into double end motor, the upper output end driving of the double end motor
The rotor wing rotation provides flight necessary lift, the lower output end driving wheel rotation of the double end motor, not in addition
On the basis of increasing drive device, the impeller rotation is realized, power consumption is low, and it is small to bear a heavy burden, and strengthens unmanned plane endurance, then
The medicine outlet of the warehouse is connected with the opening in the housing sidewall by delivery pipe, so as to the force (forcing) pump in the warehouse
Liquid medicine is pumped in the housing by work by delivery pipe, is atomized liquid medicine using the impeller of high-speed rotation, and be sprayed to agriculture
Field, the effect for substituting manual labor is realized, reduce human resources input, reduce cost, while using unmanned plane sprinkling medicine
When, people may not necessarily enter farmland, without remaining for walking furrow in advance between farmland, improve farmland utilization rate.
（3）By setting more hole sizer walls and screen cloth, the liquid medicine of drippage is more uniformly distributed, and will not concentrate on certain drippage, water
Drop is also smaller, is more beneficial for liquid medicine and is fully atomized by the impeller, improves liquid medicine utilization rate, reduces cost, increases the benefit.
（4）By the way that the warehouse is arranged into inverted cone or regular polygon pyramid, and in the warehouse most
Lower end sets medicine outlet, spherical splitter is installed at the medicine outlet, no matter the storage of liquid medicine is how many, the weight of the warehouse
The heart is always positioned at the center of unmanned aerial vehicle body, avoids unmanned plane crank, and the water at each branch pipe of the spherical splitter
Pressure is equal, and the water at each nozzle system is equal, and sprinkling is more uniformly distributed, and avoids drain spray, more sprays, improves operating efficiency and effect
Benefit.
Brief description of the drawings
Fig. 1 is the utility model planar structure schematic diagram；
Fig. 2 is Fig. 1 top view；
Fig. 3 is part A internal structure schematic diagram in Fig. 1；
Fig. 4 is B-B profiles in Fig. 3；
Fig. 5 is nozzle system dimensional structure diagram；
Fig. 6 is spherical splitter dimensional structure diagram；
Fig. 7 is Fig. 6 top view；
Fig. 8 is annular buckle planar structure schematic diagram；
Wherein 1- fuselages；2- horns；3- warehouses；4- motor cabinets；5- rotors；6- nozzle systems；The spherical splitters of 7-；8- is defeated
Send pipe；41- double end motors；The upper output ends of 42-；Output end under 43-；61- impellers；The more hole sizer walls of 62-；63- screen clothes；64- housings.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
With reference to shown in accompanying drawing 1-3, a kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle, including multi-rotor unmanned aerial vehicle fuselage 1,
Horn 2 and the motor cabinet 4 being fixedly connected with the horn 2, the lower section of motor cabinet 4, which is detachably fixed, is connected with nozzle system 6,
As shown in Figure 3, the nozzle system 6 includes tubular shell 64 of the side wall with opening and the impeller 61 for atomization medicine,
The double end motor 41 of output end 42 and lower output end 43 is provided with the motor cabinet 4, is installed in the upper output end 42
There are the rotor 5 for providing lift, the lower output end 43 and the drive connection of impeller 61；The lower section of fuselage 1 is provided with
Warehouse 3 with force (forcing) pump, the warehouse top is provided with feeding opening, bottom is provided with medicine outlet, the medicine outlet and the shell
The delivery pipe 8 for UNICOM is provided between the opening of body 64；Switch module, the switch module are installed on the force (forcing) pump
It is connected with the control module of unmanned plane.
The utility model utilizes multi-rotor unmanned aerial vehicle to carry the warehouse 3 of storage liquid medicine and the nozzle system for spraying liquid medicine
6, multi-rotor unmanned aerial vehicle balances the gravity of aircraft by lift caused by multiple rotors, and aircraft can be flown up and comes, leads to
Cross and change the rotating speed of each rotor to control the steady and posture of aircraft, so multi-rotor aerocraft can hover, certain
Flown in velocity interval with arbitrary speed.Multi-rotor unmanned aerial vehicle stationarity is good, workable, and carrying weight is relatively fixed the wing
Unmanned plane is smaller, goes for the herbal sprinkling work in middle-size and small-size farmland, and the farmland region for needing emphasis to spray
Slowly even it can hover to carry out emphasis sprinkling, solving the problems, such as in the prior art can not emphasis sprinkling.By that will drive
The motor that dynamic rotor 5 rotates is arranged to double end motor 41, and the upper output end 42 of the double end motor 41 drives the rotor 5 to rotate
To provide flight necessary lift, the lower output end 43 of the double end motor 41 drives impeller 61 to rotate, then by the warehouse 3
Medicine outlet is connected with the opening in the side wall of housing 64 by delivery pipe 8, so as to which the pressurization pump work in the warehouse 3 is by medicine
Water is pumped in the housing 64 by delivery pipe 8, is atomized liquid medicine using the impeller 61 of high-speed rotation, and is sprayed to farmland,
When realizing the effect for substituting manual labor, reduce human resources input, reduce cost, while using unmanned plane sprinkling medicine,
People may not necessarily enter farmland, without remaining for walking furrow in advance between farmland, improve farmland utilization rate.In addition, by motor
Double end motor 41 is arranged to, on the basis of drive device is not increased in addition, realizes that the impeller 61 rotates, power consumption is low, and
Bear a heavy burden small, strengthen unmanned plane endurance.
The utility model principle is expanded on further at this：
Switch module is installed, the switch module includes controller, receiver and switching device, nothing on the force (forcing) pump
Man-machine control module is provided with transmitter.
The warehouse 3 is equipped on the lower section of fuselage 1, and carrying mode has a variety of, can be welding, be glued, bolt connection etc.
A variety of modes for being fixedly connected with or being detachably fixed connection, the force (forcing) pump in the warehouse 3 are electrically connected with the battery in fuselage 1
Connect, then the opening of the medicine outlet and the housing 64 is connected with the delivery pipe 8, the set-up mode of the delivery pipe 8 is can
Dismounting is fixedly connected, and can be the modes such as grafting, socket, threaded connection, and medicine is added by the feeding opening of the warehouse 3, and
Water purification configuration liquid medicine is added in proportion with reference to medicine operation instruction.Because the position of the warehouse 3 is less than the position of the rotor 5
Put, the liquid level of liquid medicine is less than the nozzle system 6, and liquid medicine will not flow out automatically, and liquid medicine outflow can control.Unmanned plane during flying is extremely
Behind the overhead of farmland, instruction is sent to the switch module of the force (forcing) pump by the control module of unmanned plane, the switch module connects
Receive and instruct and open force (forcing) pump, specifically, the transmitter set in the control module sends electric signal to the switch module,
The receiver of the switch module receives electric signal, and electric signal is passed into controller, and the controller fills to the switch
The instruction for sending and opening is put, the force (forcing) pump is started working, and liquid medicine is pumped into the nozzle system 6.The force (forcing) pump is closed
Principle similarly.The control module and the switch module are prior art, it will be appreciated by those skilled in the art that herein not
It is described in detail again.In unmanned plane during flying, the double end motor 41 works, and the lower output end 43 of the double end motor 41 drives impeller 61
High-speed rotation, liquid medicine enter the housing 64 and fallen through the impeller 61, and liquid medicine is made in the impeller 61 of high speed rotation
With lower atomization, under gravity, liquid medicine is spilt to farmland, realizes sprinkling.
It is serious or crops are dense etc. needs the region of keypoint control for local disease, it can be subtracted with the more rotors of operational control
Speed flight even hovers over key area, in the case where liquid medicine pump discharge is constant, realizes the effect of emphasis sprinkling.
What deserves to be explained is the liquid medicine with sprinkling is stored in the warehouse 3, and pass through the force (forcing) pump in the warehouse 3
Pumping out, the force (forcing) pump provides driven by power by the battery of unmanned plane, and the setting of force (forcing) pump and operation principle are prior art,
This area staff should be appreciated that it is not described here in detail.
Embodiment 2：
On the basis of embodiment 1, with reference to shown in accompanying drawing 4,5, further, center is provided with inside the housing 64
The screen cloth 63 in hole, the screen periphery are solid circle, and more hole sizer walls 62 are fixedly installed on the solid circle, described porous
The aperture for sieving wall 62 is more than the aperture of the screen cloth 63.
Form toroidal cavity between more hole sizer walls 62 and the housing 64, the pressurization pump work in the warehouse 3, medicine
Water is pumped to nozzle system 6 by delivery pipe 8, and the annular that liquid medicine enters between the housing 64 and more hole sizer walls 62 is empty
Chamber, then uniformly oozed out by the hole of more surroundings of hole sizer wall 62, because the aperture of more hole sizer walls 62 is more than the sieve
The aperture of net 63, the inflow of the screen cloth 63 is more than water yield, the liquid medicine of certain depth is retained on the screen cloth 63, described
The pressure of screen cloth 63 everywhere is equal, and liquid medicine is uniformly dripped by screen cloth 63, will not concentrate on certain drippage, and liquid medicine water droplet is thin
Change, be more beneficial for liquid medicine and be fully atomized by the impeller 61, improve liquid medicine utilization rate, reduce cost, increase the benefit.
Embodiment 3：
On the basis of embodiment 1 or 2, with reference to shown in accompanying drawing 1,6,7, the warehouse 3 is in inverted cone or just more
Side shape pyramid, the bottom of the warehouse 3 are provided with medicine outlet, spherical splitter 7, the ball are provided with the medicine outlet
Shape splitter 7 includes hollow ball shape cavity and connects the supervisor of medicine outlet, and the branch pipe of connecting conveying pipe 8.
By the way that the warehouse 3 is arranged into inverted cone or regular polygon pyramid, no matter the storage of liquid medicine is more
Few, the center of gravity of the warehouse 3 is always positioned at the center of unmanned aerial vehicle body, avoids unmanned plane crank, while in the warehouse 3
Bottom medicine outlet is set, exported beneficial to liquid medicine, and spherical splitter 7, the spherical splitter 7 are installed in the medicine outlet
Each branch pipe at water pressure it is equal, by setting the spherical splitter 7, the water at each nozzle system 6 is equal, and sprinkling is more
To be uniform, drain spray, more sprays are avoided, improves operating efficiency and benefit.
Further, with reference to shown in accompanying drawing 3, the lower end of housing 64 is horn mouth, is easy to the liquid medicine of atomization to spray, and expand
Big area coverage.
Further, the impeller 61 carries drive rod, and the drive rod is threadedly coupled with the lower output end 43, described
Disrance sleeve is fixed with the centre bore of screen cloth 63, the disrance sleeve is connected with the drive rod bearing.
Further, with reference to shown in accompanying drawing 8, the warehouse 3, fuselage 1 and the surface of horn 2 are provided with for described in fixation
The annular buckle of delivery pipe 8.
It is described above, only it is preferred embodiment of the present utility model, any formal limit is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.
Claims (6)
1. a kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle, including multi-rotor unmanned aerial vehicle fuselage（1）, horn（2）With with it is described
Horn（2）The motor cabinet being fixedly connected（4）, it is characterised in that the motor cabinet（4）Lower section, which is detachably fixed, is connected with shower nozzle system
System（6）, the nozzle system（6）The tubular shell of opening is carried including side wall（64）With the impeller for atomization medicine（61）,
The motor cabinet（4）Inside it is provided with output end（42）With lower output end（43）Double end motor（41）, the upper output end
（42）On rotor for providing lift is installed（5）, the lower output end（43）With the impeller（61）Drive connection；It is described
Fuselage（1）Lower section is provided with the warehouse of force (forcing) pump（3）, the warehouse（3）Top be provided with feeding opening, bottom is provided with out
Medicine mouth, the medicine outlet and the housing（64）Opening between be provided with delivery pipe for UNICOM（8）；On the force (forcing) pump
Switch module, the control module connection of the switch module and unmanned plane are installed.
A kind of 2. centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle according to claim 1, it is characterised in that the housing
（64）Inside is provided with the screen cloth of centre bore（63）, the screen cloth（63）Edge is solid circle, solid on the solid circle
Surely more hole sizer walls are provided with（62）, more hole sizer walls（62）Aperture be more than the screen cloth（63）Aperture.
A kind of 3. centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle according to claim 1 or 2, it is characterised in that the storage
Storehouse（3）In inverted cone or regular polygon pyramid, the warehouse（3）Bottom be provided with medicine outlet, the drug
Spherical splitter is installed on mouthful（7）, the spherical splitter（7）Supervisor including hollow ball shape cavity and connection medicine outlet,
And connecting conveying pipe（8）Branch pipe.
A kind of 4. centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle according to claim 3, it is characterised in that the housing
（64）Lower end is horn mouth.
A kind of 5. centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle according to claim 2, it is characterised in that the impeller
（61）With drive rod, the drive rod and the lower output end（43）Threaded connection, the screen cloth（63）Centre bore in it is solid
Surely there is disrance sleeve, the disrance sleeve is connected with the drive rod bearing.
A kind of 6. centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle according to claim 5, it is characterised in that the warehouse
（3）, fuselage（1）And horn（2）Surface is provided with for fixing the delivery pipe（8）Annular buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963572.9U CN207078317U (en) | 2017-08-03 | 2017-08-03 | A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963572.9U CN207078317U (en) | 2017-08-03 | 2017-08-03 | A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207078317U true CN207078317U (en) | 2018-03-09 |
Family
ID=61423909
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720963572.9U Expired - Fee Related CN207078317U (en) | 2017-08-03 | 2017-08-03 | A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle |
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| Country | Link |
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| CN (1) | CN207078317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487445A (en) * | 2017-08-03 | 2017-12-19 | 四川建筑职业技术学院 | A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle |
| WO2022009319A1 (en) * | 2020-07-07 | 2022-01-13 | 株式会社エアロネクスト | Flying body and power device |
-
2017
- 2017-08-03 CN CN201720963572.9U patent/CN207078317U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487445A (en) * | 2017-08-03 | 2017-12-19 | 四川建筑职业技术学院 | A kind of centrifugal herbal sprinkling multi-rotor unmanned aerial vehicle |
| WO2022009319A1 (en) * | 2020-07-07 | 2022-01-13 | 株式会社エアロネクスト | Flying body and power device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |