CN110214766A - A kind of pesticide spraying plant protection drone and its working method reducing precipitating - Google Patents
A kind of pesticide spraying plant protection drone and its working method reducing precipitating Download PDFInfo
- Publication number
- CN110214766A CN110214766A CN201910412778.6A CN201910412778A CN110214766A CN 110214766 A CN110214766 A CN 110214766A CN 201910412778 A CN201910412778 A CN 201910412778A CN 110214766 A CN110214766 A CN 110214766A
- Authority
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- China
- Prior art keywords
- liquid level
- electrically
- controlled valve
- level sensor
- spray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000575 pesticide Substances 0.000 title claims abstract description 56
- 238000005507 spraying Methods 0.000 title claims abstract description 47
- 230000001376 precipitating effect Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 239000007921 spray Substances 0.000 claims abstract description 59
- 241000282470 Canis latrans Species 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 239000003814 drug Substances 0.000 claims abstract description 22
- 229940079593 drug Drugs 0.000 claims abstract description 22
- 239000002917 insecticide Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004563 wettable powder Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0025—Mechanical sprayers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Insects & Arthropods (AREA)
- Aviation & Aerospace Engineering (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a kind of pesticide spraying plant protection drones and its working method for reducing precipitating, it is related to plant protection drone field, spray case including unmanned plane body and below unmanned plane body, spray case removably connects the bottom for being mounted on unmanned plane body, reservoir chamber is provided in spray case, drug storage chamber, with coyote hole, stirring motor, farm chemical spray pump, battery and electronic control unit, the lower section of reservoir chamber and drug storage chamber is set with coyote hole, the bottom of reservoir chamber is connected to by first pipe with the top with coyote hole, the bottom of drug storage chamber is connected to by second pipe with the top with coyote hole, the first electrically-controlled valve is provided in first pipe, the second electrically-controlled valve is provided on second pipe, interior of making up a prescription is provided with stirring parts, first liquid level sensor and the second liquid level sensor below the first liquid level sensor, the agitating shaft of stirring parts with stir Mix the power axis connection of motor.The present invention can reduce the precipitating of pesticide, and pesticide utilization rate is high, and spray head is not easy to be blocked.
Description
Technical field
The present invention relates to plant protection drone technical field more particularly to a kind of pesticide spraying plant protection drones for reducing precipitating
And its working method.
Background technique
With the development of unmanned air vehicle technique, unmanned plane is more and more used for agriculture field, such as using unmanned plane into
Row is sprayed insecticide.Spray insecticide its efficiency much higher than manually spraying insecticide using plant protection drone, pesticide in future sprinkling plant protection without
The man-machine agriculture field that is used for will be more universal.Pesticide spraying plant protection drone generally include to navigate fly control, flying platform and
The three parts such as spraying mechanism are constituted, and realize spraying operation by ground remote control.
Existing pesticide spraying plant protection drone is all to prepare pesticide by a certain percentage with water on ground, then into
Row spraying operation, but the pesticide spraying plant protection drone use solid chemicals or wettable powder when, over time
The precipitating of pesticide is more and more, causes pesticide utilization rate low, and be easy blocking spray head, although at present have setting agitating device or
It hangs brush device and reduces precipitating, the pesticide being settled out cannot dissolve in water again well, prevent the effect of precipitating still limited.
Summary of the invention
The object of the invention is exactly to provide a kind of pesticide spraying plant for reducing precipitating to make up defect of the existing technology
Unmanned plane and its working method are protected, existing pesticide spraying plant protection drone is solved and all prepares pesticide with water on ground, deposit
Pesticide precipitating it is more, cause pesticide utilization rate low, and be easy block spray head the problem of.
Technical solution of the present invention is as follows: it is a kind of reduce precipitating pesticide spraying plant protection drone, including unmanned plane body and
Spray case below the unmanned plane body, the spray case removably connect the bottom for being mounted on the unmanned plane body
Portion, it is characterised in that: be provided in the spray case reservoir chamber, drug storage chamber, with coyote hole, stirring motor, farm chemical spray pump, battery and
The bottom of electronic control unit, the lower section that the reservoir chamber and drug storage chamber are arranged in coyote hole, the reservoir chamber passes through the first pipe
Road is connected to the top with coyote hole, and the bottom of the drug storage chamber is connected to by second pipe with the top with coyote hole,
It is provided with the first electrically-controlled valve in the first pipe, the second electrically-controlled valve is provided on the second pipe, the interior of making up a prescription is set
It is equipped with stirring parts, the first liquid level sensor and the second liquid level sensor below first liquid level sensor, it is described to stir
The agitating shaft of part and the power axis connection of the stirring motor are mixed, is provided with chemical spraying device, the spray below the spray case
The bottom of the spray case is arranged in device connection, and the bottom with coyote hole is connected by third pipeline and the chemical spraying device
Logical, the farm chemical spray pump is arranged on the third pipeline, the battery and electronic control unit with the stirring motor, spray
Pump, the first electrically-controlled valve, the second electrically-controlled valve, the first liquid level sensor and the electrical connection of the second liquid level sensor.
Further, the top of the spray case is provided with mounting rack, and the spray case is dismountable by the mounting rack
Connection is mounted on the bottom of the unmanned plane body.
Further, connection frame is provided at the top of the chemical spraying device, the chemical spraying device is connected by the connection frame
The bottom of the spray case is set.
Further, first electrically-controlled valve and the second electrically-controlled valve are solenoid valve.
Further, the farm chemical spray pump uses impeller pump.
Further, first liquid level sensor and the second liquid level sensor are contact liquid level sensor.
A kind of working method for the pesticide spraying plant protection drone reducing precipitating, characterized by the following steps:
(1) on the ground, first electrically-controlled valve is controlled by the electronic control unit and the second electrically-controlled valve is closed, Xiang Suoshu reservoir chamber adds
Full water, Xiang Suoshu drug storage chamber are added sufficient pesticide, the spray case are installed to the unmanned plane body；(2) by described
Electronic control unit controls first electrically-controlled valve and the second electrically-controlled valve is opened, and second electrically-controlled valve, which opens certain time, makes the storage
Coyote hole to it is described with coyote hole the pesticide of the first dosage is added after close, first liquid level sensor detects described with coyote hole
Liquid level closes first electrically-controlled valve when reaching the first liquid level, controls the stirring motor by the electronic control unit and rotates centainly
Stop after time；(3) it is remotely controlled the unmanned plane during flying, the farm chemical spray pump is controlled by the electronic control unit and carries out work of spraying insecticide
Industry；(4) when second liquid level sensor detects that the liquid level with coyote hole reaches the be located at below first liquid level
When two liquid levels, first electrically-controlled valve is controlled by the electronic control unit and the second electrically-controlled valve is opened, second electrically-controlled valve is beaten
Open certain time make the drug storage chamber to it is described with coyote hole be added the second dosage pesticide after close, first liquid level sensor
It detects and closes first electrically-controlled valve when liquid level with coyote hole reaches the first liquid level, institute is controlled by the electronic control unit
Stirring motor rotation is stated to stop after a certain period of time；(5) step (4) is recycled until completing operation of spraying insecticide.
The beneficial effects of the present invention are: by carrying out spraying operation in the prewired a small amount of the pesticide solution in ground, then fly
When row operation when detecting that the pesticide solution is less, the pesticide solution is prepared in resynchronisation, by way of this online preparation pesticide,
It can guarantee that always there is only a small amount of the pesticide solutions in operation process, and the pesticide solution prepared constantly is sprayed away,
The time of retention is reduced, to reduce the precipitating of pesticide, causes pesticide utilization rate high, spray head is not easy to be blocked.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pesticide spraying plant protection drone of reduction precipitating of the invention.
Fig. 2 is the structural schematic diagram of spray case of the invention.
Wherein；1- unmanned plane body；2- spray case；3- reservoir chamber；4- drug storage chamber；5- matches coyote hole；6- stirring motor；7- spray
Teat pipette；8- battery；9- electronic control unit；10- first pipe；11- second pipe；The first electrically-controlled valve of 12-；The second electrically-controlled valve of 13-；
14- stirring parts；The first liquid level sensor of 15-；The second liquid level sensor of 16-；17- chemical spraying device；18- third pipeline；19- installation
Frame；20- connection frame.
Specific embodiment
Brief description is made to a specific embodiment of the invention with reference to the accompanying drawing.
As shown in Figs. 1-2, it is a kind of reduce precipitating pesticide spraying plant protection drone, including unmanned plane body 1 and be located at institute
The spray case 2 below unmanned plane body is stated, the spray case 2 removably connects the bottom for being mounted on the unmanned plane body 1,
Preferably, the top of the spray case 2 is provided with mounting rack 19, and the spray case 2 is removably connected by the mounting rack 19
Connect the bottom for being mounted on the unmanned plane body 1.Reservoir chamber 3, drug storage chamber 4 are provided in the spray case 2, with coyote hole 5, stirring
Motor 6, farm chemical spray pump 7, battery 8 and electronic control unit 9, it is preferred that the farm chemical spray pump 7 uses impeller pump.It is described to be set with coyote hole 5
It sets in the lower section of the reservoir chamber 3 and drug storage chamber 4, the bottom of the reservoir chamber 3 passes through first pipe 10 and described with coyote hole 5
The bottom of top connection, the drug storage chamber 4 is connected to by second pipe 11 with the top with coyote hole 5, the first pipe
It is provided with the first electrically-controlled valve 12 on 10, the second electrically-controlled valve 13 is provided on the second pipe 11, it is preferred that described first is automatically controlled
Valve 12 and the second electrically-controlled valve 13 are solenoid valve.It is described with being provided with stirring parts 14, the first liquid level sensor 15 and position in coyote hole 5
The second liquid level sensor 16 in 15 lower section of the first liquid level sensor, the agitating shaft of the stirring parts 14 and stirring electricity
The power axis connection of machine 6, first liquid level sensor 15 and the second liquid level sensor 16 are contact liquid level sensor.Institute
It states and is provided with chemical spraying device 17 below spray case 2, the chemical spraying device 17 connects the bottom that the spray case 2 is arranged in, described
Connection frame is provided at the top of chemical spraying device, the bottom of the spray case is arranged in by connection frame connection for the chemical spraying device
Portion, the bottom with coyote hole 5 are connected to by third pipeline 18 with the chemical spraying device 17, and the farm chemical spray pump 7 is arranged described
On third pipeline 18, the battery 8 and electronic control unit 9 with the stirring motor 6, farm chemical spray pump 7, the first electrically-controlled valve 12,
Two electrically-controlled valves 13, the first liquid level sensor 15 and the electrical connection of the second liquid level sensor 16, the battery 8 are used to be the stirring
Motor 6, farm chemical spray pump 7, the first electrically-controlled valve 12, the second electrically-controlled valve 13, the first liquid level sensor 15 and the second liquid level sensor 16 mention
Power supply source, the electronic control unit 9 is for controlling the stirring motor 6, the work of farm chemical spray pump 7, and the electronic control unit 9 is for controlling institute
The first electrically-controlled valve 12, the second electrically-controlled valve 13 switch are stated, the electronic control unit 9 is for receiving first liquid level sensor 15 and the
The liquid level signal of two liquid level sensors 16.
The working method of the pesticide spraying plant protection drone of above-mentioned reduction precipitating, includes the following steps: (1) on the ground,
First electrically-controlled valve 12 is controlled by the electronic control unit 9 and the second electrically-controlled valve 13 is closed, 3 topped up with water of Xiang Suoshu reservoir chamber,
Sufficient pesticide is added to the drug storage chamber 4, the spray case 2 is installed to the unmanned plane body 1；(2) pass through the electricity
Control unit 9 controls first electrically-controlled valve 12 and the second electrically-controlled valve 13 is opened, and second electrically-controlled valve 13, which opens certain time, to be made
The drug storage chamber 4 to it is described with coyote hole 5 be added the first dosage pesticide after close, first liquid level sensor 15 detects institute
It states when the liquid level with coyote hole 5 reaches the first liquid level and closes first electrically-controlled valve 12, described stir is controlled by the electronic control unit 9
The rotation of motor 6 is mixed to stop after a certain period of time；(3) it is remotely controlled the unmanned plane during flying, the spray is controlled by the electronic control unit 9
Pump 7 carries out operation of spraying insecticide；(4) when second liquid level sensor 16 detects that the liquid level arrival with coyote hole 5 is located at
When the second liquid level below first liquid level, it is automatically controlled that first electrically-controlled valve 12 and second is controlled by the electronic control unit 9
Valve 13 is opened, and second electrically-controlled valve 13, which opens certain time, makes the drug storage chamber 4 that the second dosage be added with coyote hole 5 to described
It is closed after pesticide, first liquid level sensor 15 detects when the liquid level with coyote hole 5 reaches the first liquid level described in closing
First electrically-controlled valve 12 controls the rotation of stirring motor 6 by the electronic control unit 9 and stops after a certain period of time；(5) described in circulation
Step (4) is until complete operation of spraying insecticide.
Unmanned plane of the invention is by carrying out spraying operation in the prewired a small amount of the pesticide solution in ground, then when flight operation
When detecting that the pesticide solution is less, the pesticide solution is prepared in resynchronisation can be guaranteed by way of this online preparation pesticide
Always there is only a small amount of the pesticide solution in operation process, and the pesticide solution prepared constantly is sprayed away, retention when
Between reduce, to reduce the precipitating of pesticide, cause pesticide utilization rate high, spray head is not easy to be blocked.
The present invention is not limited to above-mentioned specific embodiment, and the invention may be variously modified and varied.All foundations
Technical spirit of the invention should be included in the present invention to embodiment of above any modification, equivalent replacement, improvement and so on
Protection scope.
Claims (7)
1. it is a kind of reduce precipitating pesticide spraying plant protection drone, including unmanned plane body (1) and be located at the unmanned plane body
(1) the spray case (2) below, spray case (2) removably connect the bottom for being mounted on the unmanned plane body (1),
It is characterized in that: being provided with reservoir chamber (3), drug storage chamber (4) in the spray case (2), with coyote hole (5), stirring motor (6), spray
(7), battery (8) and electronic control unit (9) are pumped, it is described to be arranged under the reservoir chamber (3) and drug storage chamber (4) with coyote hole (5)
The bottom of side, the reservoir chamber (3) is connected to by first pipe (10) with the top with coyote hole (5), the drug storage chamber (4)
Bottom be connected to the top with coyote hole (5) by second pipe (11), be provided with first on the first pipe (10)
Electrically-controlled valve (12) is provided with the second electrically-controlled valve (13) on the second pipe (11), described with being provided with stirring parts in coyote hole (5)
(14), the first liquid level sensor (15) and the second liquid level sensor (16) being located at below first liquid level sensor (15),
The agitating shaft of the stirring parts (14) and the power axis connection of the stirring motor (6), spray case (2) lower section are provided with spray
Medicine device (17), chemical spraying device (17) the connection setting is in the bottom of spray case (2), the bottom with coyote hole (5)
It being connected to by third pipeline (18) with the chemical spraying device (17), the farm chemical spray pump (7) is arranged on the third pipeline (18),
The battery (8) and electronic control unit (9) with the stirring motor (6), farm chemical spray pump (7), the first electrically-controlled valve (12), the second electricity
Control valve (13), the first liquid level sensor (15) and the second liquid level sensor (16) electrical connection.
2. the pesticide spraying plant protection drone according to claim 1 for reducing precipitating, which is characterized in that the spray case
(2) top is provided with mounting rack (19), and by the mounting rack (19), removably connection is mounted on institute to the spray case (2)
State the bottom of unmanned plane body (1).
3. the pesticide spraying plant protection drone according to claim 2 for reducing precipitating, which is characterized in that the chemical spraying device
(17) it is provided at the top of connection frame (20), the chemical spraying device (17) is arranged by the connection frame (20) connection in the spray
The bottom of medicine-chest (2).
4. the pesticide spraying plant protection drone according to claim 3 for reducing precipitating, which is characterized in that described first is automatically controlled
Valve (12) and the second electrically-controlled valve (13) are solenoid valve.
5. the pesticide spraying plant protection drone according to claim 4 for reducing precipitating, which is characterized in that the farm chemical spray pump
(7) impeller pump is used.
6. the pesticide spraying plant protection drone according to claim 1 for reducing precipitating, which is characterized in that first liquid level
Sensor (15) and the second liquid level sensor (16) are contact liquid level sensor.
7. a kind of working method of the pesticide spraying plant protection drone precipitated such as reduction of any of claims 1-6,
It is characterized by comprising following steps: the first step, on the ground, controls first electrically-controlled valve by the electronic control unit (9)
(12) it is closed with the second electrically-controlled valve (13), sufficient pesticide is added in Xiang Suoshu reservoir chamber (3) topped up with water, Xiang Suoshu drug storage chamber (4),
The spray case (2) is installed to the unmanned plane body (1)；Second step passes through the electronic control unit (9) control described first
Electrically-controlled valve (12) and the second electrically-controlled valve (13) are opened, and second electrically-controlled valve (13), which opens certain time, makes the drug storage chamber (4)
It is closed after to the pesticide with the first dosage of coyote hole (5) addition, first liquid level sensor (15) detects described make up a prescription
The liquid level of room (5) closes first electrically-controlled valve (12) when reaching the first liquid level, by stirring described in the electronic control unit (9) control
Motor (6) rotation is mixed to stop after a certain period of time；Third step is remotely controlled the unmanned plane during flying, is controlled by the electronic control unit (9)
The farm chemical spray pump (7) carries out operation of spraying insecticide；4th step, when second liquid level sensor (16) detect it is described with coyote hole
(5) when liquid level reaches the second liquid level being located at below first liquid level, pass through the electronic control unit (9) control described first
Electrically-controlled valve (12) and the second electrically-controlled valve (13) are opened, and second electrically-controlled valve (13), which opens certain time, makes the drug storage chamber (4)
It is closed after to the pesticide with the second dosage of coyote hole (5) addition, first liquid level sensor (15) detects described make up a prescription
The liquid level of room (5) closes first electrically-controlled valve (12) when reaching the first liquid level, by stirring described in the electronic control unit (9) control
Motor (6) rotation is mixed to stop after a certain period of time；5th step recycles the 4th step until completing operation of spraying insecticide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412778.6A CN110214766A (en) | 2019-05-17 | 2019-05-17 | A kind of pesticide spraying plant protection drone and its working method reducing precipitating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910412778.6A CN110214766A (en) | 2019-05-17 | 2019-05-17 | A kind of pesticide spraying plant protection drone and its working method reducing precipitating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110214766A true CN110214766A (en) | 2019-09-10 |
Family
ID=67821327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910412778.6A Pending CN110214766A (en) | 2019-05-17 | 2019-05-17 | A kind of pesticide spraying plant protection drone and its working method reducing precipitating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110214766A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502466A (en) * | 2020-12-11 | 2022-05-13 | 深圳市大疆创新科技有限公司 | Multi-rotor-wing plant protection unmanned aerial vehicle |
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| CN206141839U (en) * | 2016-10-08 | 2017-05-03 | 无锡飞天侠科技有限公司 | A unmanned aerial vehicle for forestry is sprayed |
| CN107215456A (en) * | 2017-05-15 | 2017-09-29 | 河南师范大学 | It is a kind of can the unmanned plane device sprayed insecticide of efficient uniform |
| CN207956070U (en) * | 2018-02-11 | 2018-10-12 | 广东莱盛隆电子股份有限公司 | A kind of plant protection drone made up a prescription that can draw water certainly |
| CN108782528A (en) * | 2018-06-26 | 2018-11-13 | 深圳市安思科电子科技有限公司 | A kind of plant protection drone of efficient adjustable concentration |
| CN109178317A (en) * | 2018-09-06 | 2019-01-11 | 四川益彰农业开发有限公司 | A kind of olive plantation unmanned plane chemical spraying device and its application method |
-
2019
- 2019-05-17 CN CN201910412778.6A patent/CN110214766A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206141839U (en) * | 2016-10-08 | 2017-05-03 | 无锡飞天侠科技有限公司 | A unmanned aerial vehicle for forestry is sprayed |
| CN107215456A (en) * | 2017-05-15 | 2017-09-29 | 河南师范大学 | It is a kind of can the unmanned plane device sprayed insecticide of efficient uniform |
| CN207956070U (en) * | 2018-02-11 | 2018-10-12 | 广东莱盛隆电子股份有限公司 | A kind of plant protection drone made up a prescription that can draw water certainly |
| CN108782528A (en) * | 2018-06-26 | 2018-11-13 | 深圳市安思科电子科技有限公司 | A kind of plant protection drone of efficient adjustable concentration |
| CN109178317A (en) * | 2018-09-06 | 2019-01-11 | 四川益彰农业开发有限公司 | A kind of olive plantation unmanned plane chemical spraying device and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114502466A (en) * | 2020-12-11 | 2022-05-13 | 深圳市大疆创新科技有限公司 | Multi-rotor-wing plant protection unmanned aerial vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190910 |