CN112502986A - Brushless high-pressure high-speed centrifugal pump and unmanned aerial vehicle - Google Patents
Brushless high-pressure high-speed centrifugal pump and unmanned aerial vehicle Download PDFInfo
- Publication number
- CN112502986A CN112502986A CN202011504300.5A CN202011504300A CN112502986A CN 112502986 A CN112502986 A CN 112502986A CN 202011504300 A CN202011504300 A CN 202011504300A CN 112502986 A CN112502986 A CN 112502986A
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- Prior art keywords
- centrifugal
- centrifugal pump
- brushless
- unmanned aerial
- disc
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of unmanned aerial vehicles, in particular to a brushless high-pressure high-speed centrifugal pump for a multi-rotor unmanned aerial vehicle and the unmanned aerial vehicle; brushless high-pressure high-speed centrifugal pump, it includes the coupling assembling of being connected with unmanned aerial vehicle, its characterized in that: the centrifugal assembly comprises a first-stage centrifugal disc connected with the output shaft, first-stage dispersing blades are distributed on the upper surface of the first-stage centrifugal disc, and liquid flow channels are formed among the first-stage dispersing blades; the centrifugal device also comprises a secondary centrifugal disc connected with the primary centrifugal disc, and a plurality of secondary dispersing blades are arranged on the lower surface of the secondary centrifugal disc; the brushless high-pressure high-speed centrifugal pump is designed, the spraying radius which can be covered by the centrifugal pump is increased while the atomization effect is ensured, the sand blasting efficiency is improved, the times of reciprocating spraying of the unmanned aerial vehicle are reduced, and the operation efficiency and the efficiency of the unmanned aerial vehicle are greatly improved.
Description
Technical Field
The invention relates to the field of unmanned aerial vehicles, in particular to a brushless high-pressure high-speed centrifugal pump for a multi-rotor unmanned aerial vehicle and the unmanned aerial vehicle.
Background
At present, along with the gradual large-scale land circulation and agricultural land production, the demand of using an unmanned aerial vehicle for operations such as pesticide spraying and the like is increasing for improving the agricultural production efficiency and reducing the agricultural production cost. The existing multi-rotor four-nozzle plant protection unmanned aerial vehicle adopts the spraying mode that a one-to-one peristaltic pump and a centrifugal nozzle or a one-to-two diaphragm pump and a high-pressure nozzle are adopted, and in the plant protection flying process, one or more water pumps are idle all the time. In order to improve the operating efficiency and efficiency of the unmanned aerial vehicle, the structure of a spraying system needs to be reduced as much as possible, so that the weight of the unmanned aerial vehicle body is reduced, the flight time is prolonged, the battery endurance is increased, and the operating efficiency is increased.
The prior art and the invention name are as follows: the utility model provides an abversion brushless motor centrifugal pump for liquid sprays, combine characters and description figure 2 to know, be equipped with a plurality of fan blade on the centrifugal pump, and have and only one-level fan blade, then spray the final atomizing of going out through the dentate trough that the edge set up, because liquid has just passed through the striking of dentate trough before spraying from the centrifugal pump, so it can't the effect probably, but, the speed of spraying away after the atomizing is lower, the scope that has led to the fact single centrifugal pump to cover is less, the spraying effect has been influenced, and need unmanned aerial vehicle to carry out reciprocal spraying many times, unmanned aerial vehicle's work load has been increased.
Disclosure of Invention
Aiming at the defects of the prior art, the brushless high-pressure high-speed centrifugal pump is designed, the spraying radius which can be covered by the centrifugal pump is increased while the atomization effect is ensured, the sand blasting efficiency is improved, the times of reciprocating spraying of the unmanned aerial vehicle are reduced, and the operation efficiency and the efficiency of the unmanned aerial vehicle are greatly improved.
The technical scheme of the invention is as follows:
brushless high-pressure high-speed centrifugal pump, it includes the coupling assembling of being connected with unmanned aerial vehicle, its characterized in that: the centrifugal assembly comprises a first-stage centrifugal disc connected with the output shaft, first-stage dispersing blades are distributed on the upper surface of the first-stage centrifugal disc, and liquid flow channels are formed among the first-stage dispersing blades;
the centrifugal device also comprises a secondary centrifugal disc connected with the primary centrifugal disc, and a plurality of secondary dispersing blades are arranged on the lower surface of the secondary centrifugal disc.
Furthermore, at least one secondary dispersing blade is arranged in the area of the secondary centrifugal disc corresponding to the adjacent primary dispersing blade.
Furthermore, dispersing teeth are uniformly distributed on the side surface of the secondary centrifugal disc.
Furthermore, the middle part of the first-stage centrifugal disc sinks to form a water containing cavity, and the first-stage dispersing blades extend to the side wall of the water containing cavity.
Furthermore, a water inlet pipe is arranged on the side wall of the brushless motor assembly, the water inlet pipe extends to the lower end face of the brushless motor assembly to form a water outlet, the axis of the water outlet and the motor shaft form a deflection angle of 10-15 degrees, and an ejection angle of 10-30 degrees is formed between the axis of the water outlet and the first-stage centrifugal disc.
Further, the brushless motor assembly comprises an upper shell connected with the connecting assembly, a middle shell is connected onto the upper shell, the brushless motor control assembly is installed in a space between the upper shell and the middle shell, the brushless motor assembly further comprises a lower shell, the brushless motor is installed in the lower shell, an output shaft of the brushless motor is exposed out of the lower shell, and the lower shell is connected with the middle shell.
Further say, coupling assembling include the centrifugal pump fixed plate of being connected with unmanned aerial vehicle to and the fixed pipe of centrifugal pump with centrifugal pump fixed plate fixed connection, the lower extreme of the fixed pipe of centrifugal pump is equipped with the locking through-hole.
Furthermore, the centrifugal pump fixing pipe is made of rubber materials.
Unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle is provided with the brushless high-pressure high-speed centrifugal pump as claimed in any one of claims 1 to 7.
In conclusion, the invention has the following beneficial effects:
1. the invention improves the centrifugal component, adopts the centrifugal component formed by combining the primary separating disc and the secondary separating disc, and atomizes water by high-speed rotation of the brushless motor component and the dispersing blades arranged on the surfaces of the primary separating disc and the secondary separating disc, further, the secondary dispersing blade on the surface of the secondary separating disc is a blade which is suspended and connected on the secondary separating disc, or an opening mode is adopted below the secondary dispersing blade on the surface of the secondary separating disc, so that the air inlet amount of the secondary dispersing blade is increased, the atomization of liquid can be better served, the atomization effect is improved, the obtained water mist is more exquisite, the problem of poor atomization effect caused by small air inlet amount due to air inlet from the center of the separating disc in the prior art is solved, further, the split structural design is adopted, and the primary separating disc and the secondary separating disc are more convenient to manufacture, the production cost is reduced.
2. Furthermore, the dispersing teeth arranged on the side surface of the secondary separation disc along the radial direction can separate the water mist treated by the secondary separation blades again, so that the atomization effect is further improved.
3. The invention limits the structure of the water inlet pipe, ensures that the water in the water inlet pipe can be directly injected into the center of the first-stage centrifugal disc, avoids the impact of the water outlet of the water inlet pipe and a motor shaft, prevents water columns from splashing, reduces the resistance of the water columns to the centrifugal disc, and improves the efficiency of the centrifugal disc.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a primary separating disk;
FIG. 4 is a schematic structural view of a secondary separation disc;
FIG. 5 is a schematic structural view of the present invention with the centrifuge assembly removed;
in the figure, 1 is a connecting assembly, 10 is a centrifugal pump fixing plate, 11 is a centrifugal pump fixing pipe, and 12 is a locking through hole;
2, a brushless motor component, 20, 21, 22, 23 and 24, wherein the brushless motor component is an upper shell, the middle shell, the brushless motor control component is a middle shell, and the brushless motor is a brushless motor;
3 is a centrifugal component, 30 is a first-stage centrifugal disk, 301 is a first-stage dispersing blade, 31 is a second-stage centrifugal disk, 311 is a second-stage dispersing blade, 312 is a dispersing tooth, 302 is a water containing cavity,
and 4, a water inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Referring to fig. 1 to 4 show, brushless high-pressure high-speed centrifugal pump, it includes the coupling assembling 1 who is connected with unmanned aerial vehicle, its characterized in that: the centrifugal fan further comprises a brushless motor component 2 fixedly connected with the connecting component 1, an output shaft of the brushless motor component 2 is connected with a centrifugal component 3, the centrifugal component 3 comprises a primary centrifugal disc 30 connected with the output shaft, primary dispersing blades 301 are distributed on the upper surface of the primary centrifugal disc 30, and liquid flow channels are formed among the primary dispersing blades;
the centrifugal device further comprises a secondary centrifugal disc 31 connected with the primary centrifugal disc 30, and a plurality of secondary dispersing blades 311 are arranged on the lower surface of the secondary centrifugal disc 31.
The invention improves the centrifugal assembly, adopts a structure mode of combining up and down, the secondary centrifugal disc is connected above the primary centrifugal disc, the primary centrifugal disc is connected with an output shaft of the brushless motor assembly and is locked by the locknut, the secondary centrifugal disc is an annular disc body with a through hole in the middle, and the secondary centrifugal disc is connected above the primary centrifugal disc by a fastener; the upper surface of the first-stage centrifugal disc is provided with first-stage dispersing blades, the lower surface of the second-stage centrifugal disc is provided with second-stage dispersing blades, the first-stage dispersing blades and the second-stage dispersing blades form a dispersing part, in the high-speed rotating process, the first-stage dispersing blades and the second-stage dispersing blades continuously impact liquid to enable the liquid to be atomized constantly, the second-stage dispersing blades in the liquid atomization device are connected to the second-stage separating disc in a suspension mode or an opening mode, the second-stage dispersing blades can suck more air into the space between the second-stage separating blades, the air inlet amount is increased, the liquid can be atomized better, atomization is enabled to be finer and finer, the atomization is further, the centrifugal assembly is of a split structural design, the centrifugal assembly is easy to process in an injection molding mode, and.
Further, at least one secondary dispersing blade 311 is arranged in the area of the secondary centrifugal disc corresponding to the adjacent primary dispersing blades 301, that is, at least one secondary dispersing blade is arranged in the liquid coming out from between the primary dispersing blades to cut the liquid, so that a better atomization effect is obtained.
Further, the side equipartition of second grade centrifugal disc 31 be equipped with dispersion tooth 312, the water smoke that the dispersion tooth can separate the second grade dispersion blade after separation once more, the in-process separation tooth that separates once more can grasp with water smoke, has promoted the speed of spouting of water smoke, has increased the area that water smoke covered.
Furthermore, the middle part of the first-stage centrifugal disc 30 sinks to form a water containing cavity 302, the first-stage dispersing blades extend to the side wall of the water containing cavity 302, the water containing cavity is a containing area formed by a sinking surface in the middle part of the first-stage centrifugal disc and a disc body of the first-stage centrifugal disc, a through hole connected with a driving shaft of the brushless motor assembly is formed in the center of the sinking surface, the structure of the water containing cavity has a certain water storage function, enough and stable liquid can participate in the atomization process, the problem that the amount of the liquid participating in atomization is insufficient due to the low flow of the water inlet pipe and the poor atomization effect is solved, furthermore, the water containing cavity has a buffering function, the liquid of the water inlet pipe flows into the water containing cavity, the bottom surface of the water containing cavity is a plane, the impact with the liquid is less, and the resistance to the centrifugal disc can be reduced.
Referring to fig. 5, a water inlet pipe 4 is arranged on the side wall of the brushless motor component 2, the water inlet pipe 4 extends to the lower end face of the brushless motor component to form a water outlet, the axis of the water outlet forms a deflection angle of 10-15 degrees with the motor shaft, and forms an ejection angle of 10-30 degrees with the first-stage centrifugal disk, specifically, the water inlet pipe comprises a connecting pipe formed by the side wall of the brushless motor component and integrally formed with the connecting pipe, a fixing groove is arranged on the lower surface of the brushless motor component, one end of a flow guide pipe is inserted into the connecting pipe and embedded in the fixing groove, the tail end of the flow guide pipe is the water outlet, the direction and the angle of the water outlet are limited, the direction is limited, the direct impact of liquid flow and the motor shaft is avoided, the liquid splashing problem is avoided, the ejection angle is limited, and the liquid flowing out from the, the centrifugal disc does not collide with the first-stage centrifugal blades on the surface, so that the resistance of a liquid column to the centrifugal disc is reduced, the stability of the rotating speed of the centrifugal disc is ensured, and the efficiency of the centrifugal disc is also ensured.
Further, the brushless motor assembly 2 comprises an upper shell 20 connected with the connecting assembly 1, the upper shell 20 is connected with a middle shell 21, the brushless motor control assembly 22 is installed in a space between the upper shell 20 and the middle shell 21, the brushless motor assembly further comprises a lower shell 23, the brushless motor 24 is installed in the lower shell, an output shaft of the brushless motor is exposed out of the lower shell, and the lower shell 232 is connected with the middle shell; the surface of going up the casing is equipped with the spliced pole of being connected with coupling assembling, and the spliced pole is inserted and is joined in marriage in coupling assembling to fix through the round pin axle, go up casing, well casing and lower casing connection constitution an organic whole.
Further say, coupling assembling 1 include the centrifugal pump fixed plate 10 of being connected with unmanned aerial vehicle to and the fixed pipe 11 of centrifugal pump with centrifugal pump fixed plate 10 fixed connection, the lower extreme of the fixed pipe 11 of centrifugal pump is equipped with locking through-hole 12.
Further, the centrifugal pump fixing pipe 11 is made of rubber materials.
Unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle is provided with the brushless high-pressure high-speed centrifugal pump as claimed in any one of claims 1 to 7.
In conclusion, the invention has the following beneficial effects:
1. the invention improves the centrifugal component, adopts the centrifugal component formed by combining the primary separating disc and the secondary separating disc, and atomizes water by high-speed rotation of the brushless motor component and the dispersing blades arranged on the surfaces of the primary separating disc and the secondary separating disc, further, the secondary dispersing blade on the surface of the secondary separating disc is a blade which is suspended and connected on the secondary separating disc, or an opening mode is adopted below the secondary dispersing blade on the surface of the secondary separating disc, so that the air inlet amount of the secondary dispersing blade is increased, the atomization of liquid can be better served, the atomization effect is improved, the obtained water mist is more exquisite, the problem of poor atomization effect caused by small air inlet amount due to air inlet from the center of the separating disc in the prior art is solved, further, the split structural design is adopted, and the primary separating disc and the secondary separating disc are more convenient to manufacture, the production cost is reduced.
2. Furthermore, the dispersing teeth arranged on the side surface of the secondary separation disc along the radial direction can separate the water mist treated by the secondary separation blades again, so that the atomization effect is further improved.
3. The invention limits the structure of the water inlet pipe, ensures that the water in the water inlet pipe can be directly injected into the center of the first-stage centrifugal disc, avoids the impact of the water outlet of the water inlet pipe and a motor shaft, prevents water columns from splashing, reduces the resistance of the water columns to the centrifugal disc, and improves the efficiency of the centrifugal disc.
Claims (9)
1. Brushless high-pressure high-speed centrifugal pump, it includes the coupling assembling of being connected with unmanned aerial vehicle, its characterized in that: the centrifugal assembly comprises a first-stage centrifugal disc connected with the output shaft, first-stage dispersing blades are distributed on the upper surface of the first-stage centrifugal disc, and liquid flow channels are formed among the first-stage dispersing blades;
the centrifugal device also comprises a secondary centrifugal disc connected with the primary centrifugal disc, and a plurality of secondary dispersing blades are arranged on the lower surface of the secondary centrifugal disc.
2. A brushless high-pressure high-speed centrifugal pump according to claim 1, wherein: at least one secondary dispersing blade is arranged in the area of the secondary centrifugal disc corresponding to the adjacent primary dispersing blade.
3. A brushless high-pressure high-speed centrifugal pump according to claim 1, wherein: and dispersing teeth are uniformly distributed on the side surface of the secondary centrifugal disc.
4. A brushless high-pressure high-speed centrifugal pump according to claim 1, wherein: the middle part of the first-stage centrifugal disc is sunk to form a water containing cavity, and the first-stage dispersing blades extend to the side wall of the water containing cavity.
5. A brushless high-pressure high-speed centrifugal pump according to any one of claims 1 or 4, characterized in that: the side wall of the brushless motor component is provided with a water inlet pipe, the water inlet pipe extends to the lower end face of the brushless motor component to form a water outlet, the axis of the water outlet and a motor shaft form a deflection angle of 10-15 degrees, and the axis of the water outlet and a first-stage centrifugal disc form an ejection angle of 10-30 degrees.
6. A brushless high-pressure high-speed centrifugal pump according to claim 1, wherein: the brushless motor assembly comprises an upper shell connected with the connecting assembly, a middle shell is connected onto the upper shell, the brushless motor control assembly is installed in a space between the upper shell and the middle shell, the brushless motor assembly further comprises a lower shell, the brushless motor is installed in the lower shell, an output shaft of the brushless motor is exposed out of the lower shell, and the lower shell is connected with the middle shell.
7. A brushless high-pressure high-speed centrifugal pump according to claim 1, wherein: coupling assembling include the centrifugal pump fixed plate of being connected with unmanned aerial vehicle to and the fixed pipe of centrifugal pump with centrifugal pump fixed plate fixed connection, the lower extreme of the fixed pipe of centrifugal pump is equipped with the locking through-hole.
8. The brushless high pressure high speed centrifugal pump of claim 7, wherein: the centrifugal pump fixing pipe is made of rubber materials.
9. Unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle is provided with the brushless high-pressure high-speed centrifugal pump as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504300.5A CN112502986A (en) | 2020-12-18 | 2020-12-18 | Brushless high-pressure high-speed centrifugal pump and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504300.5A CN112502986A (en) | 2020-12-18 | 2020-12-18 | Brushless high-pressure high-speed centrifugal pump and unmanned aerial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN112502986A true CN112502986A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011504300.5A Pending CN112502986A (en) | 2020-12-18 | 2020-12-18 | Brushless high-pressure high-speed centrifugal pump and unmanned aerial vehicle |
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| CN (1) | CN112502986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114467891A (en) * | 2022-01-20 | 2022-05-13 | 安徽天德无人机科技有限公司 | Novel plant protection unmanned aerial vehicle atomizer |
-
2020
- 2020-12-18 CN CN202011504300.5A patent/CN112502986A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114467891A (en) * | 2022-01-20 | 2022-05-13 | 安徽天德无人机科技有限公司 | Novel plant protection unmanned aerial vehicle atomizer |
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