CN111332472A - Projectile type fire extinguishing unmanned aerial vehicle - Google Patents
Projectile type fire extinguishing unmanned aerial vehicle Download PDFInfo
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- CN111332472A CN111332472A CN202010198045.XA CN202010198045A CN111332472A CN 111332472 A CN111332472 A CN 111332472A CN 202010198045 A CN202010198045 A CN 202010198045A CN 111332472 A CN111332472 A CN 111332472A
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- 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
- B64D1/02—Dropping, ejecting, or releasing articles
- B64D1/04—Dropping, ejecting, or releasing articles the articles being explosive, e.g. bombs
- B64D1/06—Bomb releasing; Bomb doors
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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
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
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- 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
- B64U2101/15—UAVs specially adapted for particular uses or applications for conventional or electronic warfare
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a projectile type fire extinguishing unmanned aerial vehicle which comprises an unmanned aerial vehicle body, wherein a fire extinguishing bomb frame is fixedly arranged below the unmanned aerial vehicle body, a fire extinguishing bomb is arranged in the fire extinguishing bomb frame, a bomb generating frame is fixed at the lower end of the fire extinguishing bomb frame, a slope surface check block inclining towards the inside of the bomb generating frame is arranged at the joint of the fire extinguishing bomb frame and the bomb generating frame, a downward-bending bent pipe is arranged in the bomb generating frame, the lower end of the slope surface check block fixes the upper end of the bent pipe, a projectile throwing switch is arranged at the joint of the slope surface check block and the bent pipe, a projectile emitting hole is formed in one side wall of the bomb generating frame, the lower end of the bent pipe is connected with the projectile emitting hole, and a camera. The projectile type fire extinguishing unmanned aerial vehicle can directionally throw a plurality of fire extinguishing projectiles under the conditions of high-rise, forest fire and the like.
Description
Technical Field
The invention belongs to the technical field of fire fighting devices, and relates to a projectile fire extinguishing unmanned aerial vehicle.
Background
In the field of fire fighting, high-rise fire extinguishing is a world problem, and the fire hazard and the fire extinguishing difficulty of high-rise buildings are far greater than those of common low-rise buildings. The method is specified in Chinese 'technical regulations on high-rise building concrete structures' (JGJ 3-2002): the reinforced concrete structure with 10 floors and more than 10 floors or the height of more than 28m is called a high-rise building structure. When the building height exceeds 100m, the building is called a super high-rise building, and at present, the number of high-rise buildings in China is 34.7 ten thousand, more than 6000 super high-rise buildings over one hundred meters, and the number of the high-rise buildings is the first in the world.
The high-rise buildings and the super high-rise buildings are concentrated in large cities, the high-rise buildings are large in size, complex in function, dense in personnel, multiple in hazard source and large in fire load, and serious challenges are brought to fire prevention, control and extinguishment.
At present, high-rise fire extinguishing equipment is short, great potential safety hazards are brought to high-rise building fire extinguishment, the existing high-pressure water gun cannot reach a floor with a higher position, fire fighters cannot timely extinguish fire and rescue, and life and property safety of people are seriously threatened. The fire extinguishing unmanned aerial vehicle has great advantages and safety to the problem of high-rise fire, and the design of the missile type fire extinguishing unmanned aerial vehicle is very necessary.
In patent CN108408049A, a fire extinguishing unmanned aerial vehicle is disclosed, except for the problem that the picture and text of the modified patent are not consistent, the principle of the mechanism is complex, the production cost is high, and the problem of storage of fire extinguishing bombs is not solved.
Patent CN 108969928A discloses a fire-extinguishing unmanned aerial vehicle missile cabin, which can only be vertically thrown, and can not be thrown into a building in the fire extinguishing of a high-rise building, and in the forest fire prevention, dense smoke and mixed combustion particles are gathered right above a fire catching point, the temperature is often too high, and the vertical throwing still has certain defects. And the ammunition storage amount of the unmanned aerial vehicle ammunition throwing cabin is too small.
In patent CN 105667795 a, there is also a problem of distribution limitation, and the unmanned aerial vehicle can only carry one fire extinguishing bomb.
At present, the missile type fire extinguishing bomb comprises a ground launching type and an unmanned aerial vehicle launching type, the fire extinguishing bomb comprises a fire extinguishing part and a propelling part, the propelling part of the bomb body occupies most of the fire extinguishing bomb, the fire extinguishing part is small in size and limited in fire extinguishing capacity, and in addition, the fire extinguishing precision is limited due to remote launching.
Disclosure of Invention
The invention aims to provide a projectile type fire extinguishing unmanned aerial vehicle which can directionally throw a plurality of fire extinguishing projectiles under the conditions of high-rise and forest fire and the like.
The invention adopts the technical scheme that a projectile-throwing fire-extinguishing unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a fire-extinguishing bomb frame is fixedly arranged below the unmanned aerial vehicle body, fire-extinguishing bombs are arranged in the fire-extinguishing bomb frame, a bomb-launching frame is fixedly arranged at the lower end of the fire-extinguishing bomb frame, a slope surface check block which inclines towards the inside of the bomb-launching frame is arranged at the joint of the fire-extinguishing bomb frame and the bomb-launching frame, a downward-bending bent pipe is arranged in the bomb-launching frame, the lower end of the slope surface check block is fixed at the upper end of the bent pipe, a projectile-throwing switch is arranged at the joint of the slope surface check block and the bent pipe, a projectile-launching hole is formed in one side wall of the bomb-launching frame, the lower.
The present invention is also characterized in that,
unmanned aerial vehicle body below is still fixed to be provided with the unmanned aerial vehicle frame, and camera and infrared device install in the unmanned aerial vehicle frame and with the bullet hole homonymy.
The lower extreme of return bend is located the bullet frame and still fixed cover has and sets up to rectangle frame an and frame b, frame an upper end and lower extreme are fixed with motor a respectively, motor a output shaft fixedly connected with axle a, be connected with gyro wheel an on the axle a, two gyro wheel a are located the left and right sides of return bend respectively, frame b left end and right-hand member are fixed with motor b respectively, motor b's output shaft fixedly connected with axle b, be connected with gyro wheel b on the axle b, two gyro wheel b are located the upper and lower both sides of return bend respectively, two gyro wheel b are located the different cross-sections of return bend respectively with two gyro wheel a, the position department that corresponds gyro wheel b and gyro wheel a on the return bend has seted up the rectangular channel, gyro wheel b and gyro wheel a's wheel face stretches into its.
The upper end and the lower end of the frame a and the left end and the right end of the frame b are respectively fixed with a motor fixing seat, and the motor a and the motor b are respectively fixed on the corresponding fixing seats.
The frame a and the frame b are fixed on the bullet emitting frame.
The switch of throwing bullet is including setting up to the switch box of cyclic annular casing, and switch box is inside evenly to be fixed with a plurality of electric mortars, and the bolt of electric mortars stretches out switch box inside wall, and the fixed cover of switch box is established in the junction of domatic check fender and return bend, and the bolt stretches into inside the junction of domatic check fender and return bend.
The side wall of the switch box is provided with a bolt hole, and the bolt extends out of the inner side wall of the switch box through the bolt hole.
Four electrical pins are provided.
The unmanned aerial vehicle further comprises a controller, the controller is connected with a camera and an infrared device through cables, the controller is also respectively connected with a lithium battery and a receiver through cables, the receiver is connected with a remote controller in a wireless transmission mode, the lithium battery is respectively and electrically connected with a first electricity distribution board, a second electricity distribution board and a third electricity distribution board through cables, the first electricity distribution board is electrically connected with four first electronic speed regulators through cables, the four first electronic speed regulators are respectively and correspondingly electrically connected with two motors a and two motors b through cables, the unmanned aerial vehicle body is provided with eight unmanned aerial vehicle fan blades 19, the second electricity distribution board is electrically connected with eight second electronic speed regulators through cables, the eight second electronic speed regulators are respectively and correspondingly and electrically connected with the motors of the eight unmanned aerial vehicle fan blades 19 through cables, the third electricity distribution board is electrically connected with four third electronic speed regulators through cables, the four third electronic speed regulators are respectively and correspondingly and electrically connected, the four first electronic speed regulators, the eight second electronic speed regulators and the four third electronic speed regulators are all electrically connected with the controller through cables.
A fire extinguishing bomb loading port is arranged above the fire extinguishing bomb frame.
The invention has the advantages that a plurality of fire extinguishing bombs can be directionally thrown under the conditions of high-rise and forest fires and the like, and the use scenes are wider and more diverse. Simple structure easily realizes, low in production cost, excellent in use effect.
Drawings
Fig. 1 is an external structural schematic diagram of a projectile fire extinguishing unmanned aerial vehicle of the invention;
FIG. 2 is a schematic diagram of the internal structure of a projectile-type fire-extinguishing unmanned aerial vehicle according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of a bomb-launching frame of the projectile-launching fire-extinguishing unmanned aerial vehicle;
fig. 4 is a schematic diagram of the internal structure of a projectile switch in the projectile fire extinguishing unmanned aerial vehicle of the invention;
fig. 5 is a schematic external structural diagram of a projectile switch in a projectile fire extinguishing unmanned aerial vehicle according to the present invention;
FIG. 6 is a circuit diagram of a projectile-type fire extinguishing unmanned aerial vehicle of the present invention;
fig. 7 is a schematic view of a usage scene of the projectile fire extinguishing unmanned aerial vehicle.
In the figure, 0, a fire extinguishing bomb, 1, an unmanned aerial vehicle body, 2, a fire extinguishing bomb frame, 3, an unmanned aerial vehicle frame, 4, a slope block, 5, a bomb throwing switch, 6, a bent pipe, 7, a roller a, 7-1, a roller b, 8, a bomb hole, 9, a camera and infrared device, 10, a bomb frame, 11, a fire extinguishing bomb loading inlet, 12, a controller, 13, a lithium battery, 14, a receiver, 15, a remote controller, 16, a first power distribution board, 17, a second power distribution board and 18, a third power distribution board;
9-1. a camera, 9-2. an infrared laser range finder, and 9-3. a GPS locator;
16-1, a first electronic speed regulator, 17-1, a second electronic speed regulator, 18-1, a third electronic speed regulator;
71. the motor a, 71-1, the motor b, 72, the shaft a, 72-1, the shaft b, 73, the motor fixing seat 74, the rack a, 75, the rack b, 76 and the rectangular groove;
51. bolt, 52 bolt hole, 53 electric bolt, 54 switch box.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a projectile type fire extinguishing unmanned aerial vehicle which is structurally shown in fig. 1-2 and comprises an unmanned aerial vehicle body 1, wherein a fire extinguishing bomb frame 2 is fixedly arranged below the unmanned aerial vehicle body 1, a fire extinguishing bomb 0 is arranged in the fire extinguishing bomb frame 2, a bomb frame 10 is fixedly arranged at the lower end of the fire extinguishing bomb frame 2, a slope surface block 4 which inclines towards the inside of the bomb frame 10 is arranged at the joint of the fire extinguishing bomb frame 2 and the bomb frame 10, a downward bent pipe 6 is arranged in the bomb frame 10, the lower end of the slope surface block 4 is fixedly arranged at the upper end of the bent pipe 6, a projectile switch 5 is arranged at the joint of the slope surface block 4 and the bent pipe 6, a projectile hole 8 is formed in one side wall of the bomb frame 10, the lower end of the bent pipe 6 is connected with the projectile hole 8, and a camera and an infrared device 9 are further.
The unmanned aerial vehicle body 1 below is still fixed and is provided with unmanned aerial vehicle frame 3, and camera and infrared device 9 install in unmanned aerial vehicle frame 3 and with 8 homonymies in the bullet hole.
As shown in fig. 3, the lower end of the elbow 6 is located in the bullet emitting frame 10, and is further fixedly sleeved with a rectangular frame a74 and a rectangular frame b75, the upper end and the lower end of the frame a74 are respectively fixed with a motor a71, an output shaft of the motor a71 is fixedly connected with a shaft a72, the shaft a72 is connected with a roller a7, two rollers a7 are respectively located on the left side and the right side of the elbow 6, the left end and the right end of the frame b75 are respectively fixed with a motor b71-1, an output shaft of the motor b71-1 is fixedly connected with a shaft b72-1, the shaft b72-1 is connected with a roller b7-1, two rollers b7-1 are respectively located on the upper side and the lower side of the elbow 6, two rollers b7-1 and two rollers a7 are respectively located on different cross sections of the elbow 6, rectangular grooves 76 are formed in positions on the elbow 6 corresponding to the roller b7-1 and the roller a7, and the roller b 7.
The upper end and the lower end of the frame a74 and the left end and the right end of the frame b75 are both fixed with a motor fixing seat 73, and the motor a71 and the motor b72 are respectively fixed on the corresponding motor fixing seats 73.
The frame a74 and the frame b75 are fixed to the bullet box 10.
As shown in fig. 4-5, the switch 5 includes a switch box 54 configured as an annular housing, a plurality of electrical pins 53 are uniformly fixed inside the switch box 54, a plug 51 of the electrical pins 53 extends out of an inner side wall of the switch box 54, the switch box 54 is fixedly sleeved at a connection position of the slope barrier 4 and the elbow pipe 6, and the plug 51 extends into the connection position of the slope barrier 4 and the elbow pipe 6.
The latch 51 is extended and the fire extinguishing bomb 0 cannot fall down.
The switch box 54 is provided with a bolt hole 52 on the side wall, and the bolt 51 extends out of the inner side wall of the switch box 54 through the bolt hole 52.
The electric pins 53 are provided in four, and the electric pins 53 are electrically controlled lock cylinder electric pins of Guangzhou Sery electronics Limited.
As shown in fig. 6, the unmanned aerial vehicle further comprises a controller 12, the controller 12 is connected with a camera and an infrared device 9 through cables, the controller 12 is further connected with a lithium battery 13 and a receiver 14 through cables, the receiver 14 is connected with a remote controller 15 through a wireless transmission mode, the lithium battery 13 is electrically connected with a first electric distribution board 16, a second electric distribution board 17 and a third electric distribution board 18 through cables, the first electric distribution board 16 is electrically connected with four first electronic speed regulators 16-1 through cables, the four first electronic speed regulators 16-1 are electrically connected with two motors a71 and two motors b71-1 through cables in a one-to-one correspondence manner, the unmanned aerial vehicle body 1 is provided with eight unmanned aerial vehicle fan blades 19, the second electric distribution board 17 is electrically connected with eight second electronic speed regulators 17-1 through cables, the eight second electronic speed regulators 17-1 are electrically connected with motors of the eight unmanned aerial vehicle fan blades 19 through, the third electric splitter 18 is electrically connected with four third electronic speed regulators 18-1 through cables, the four third electronic speed regulators 18-1 are respectively and correspondingly electrically connected with motors of the four electric plugs 53 through cables, and the four first electronic speed regulators 16-1, the eight second electronic speed regulators 17-1 and the four third electronic speed regulators 18-1 are electrically connected with the controller 12 through cables.
The controller 12, the lithium battery 13, the receiver 14, the first electronic speed regulator 16-1, the second electronic speed regulator 17-1, the third electronic speed regulator 18-1, the first electric splitter plate 16, the second electric splitter plate 17 and the third electric splitter plate 18 are all located inside the unmanned aerial vehicle body 1.
The first electronic governor 16-1 and the second electronic governor 17-1 are non-linked electronic governors.
A fire extinguishing bomb loading port 11 is arranged above the fire extinguishing bomb frame 2.
The camera and infrared device 9 comprises a camera 9-1, an infrared laser range finder 9-2 and a GPS locator 9-3, wherein the camera 9-1, the infrared laser range finder 9-2 and the GPS locator 9-3 are all electrically connected with a controller 12 through cables.
The working principle of the projectile fire-extinguishing unmanned aerial vehicle is as follows:
the signal is sent to the receiver 14 through the remote controller 15, the receiver 14 transmits the signal to the controller 12, the controller 12 controls the eight second electronic speed regulators 17-1 to control the motors of the eight fan blades 19 of the unmanned aerial vehicle, the unmanned aerial vehicle takes off, the camera and infrared device 9 monitors and measures the distance to the fire point in real time and transmits the distance to the controller 12, and the controller 12 controls the electric plug pins 53, the motor a71 and the motor b71-1 to shoot the shells according to the distance to the fire point.
As shown in figure 7, the fire extinguishing bomb 0 is placed in the fire extinguishing bomb frame 2, the fire extinguishing bomb 0 slides to the bomb throwing switch 5 from the slope block 4, the bolt 51 of the electric bolt 53 stretches, and the throwing of the fire extinguishing bomb 0 is controlled by the opening and closing of the bomb throwing switch 5.
When fire extinguishing bomb 0 enters bend 6 in turn, motor a71 drives roller a7, after fire extinguishing bomb 0 enters bend 6, gravity accelerates to roller a7, roller a7 rotates, the roller has friction, fire extinguishing bomb 0 is conveyed, similarly, gravity accelerates to roller b7-1, roller b7-1 rotates, the roller has friction, and fire extinguishing bomb 0 is thrown out downwards.
Claims (10)
1. The utility model provides a throw formula unmanned aerial vehicle that puts out a fire, a serial communication port, including unmanned aerial vehicle body (1), fixed fire extinguishing bomb frame (2) that is provided with in unmanned aerial vehicle body (1) below, be provided with fire extinguishing bomb (0) in fire extinguishing bomb frame (2), fire extinguishing bomb frame (2) lower extreme is fixed with bullet frame (10), fire extinguishing bomb frame (2) and bullet frame (10) junction are provided with towards domatic check fender (4) of bullet frame (10) leanin, be provided with down-curved return bend (6) in bullet frame (10), domatic check fender (4) lower extreme is fixed the upper end of return bend (6), the junction of domatic check fender (4) and return bend (6) is provided with throwing switch (5), bullet hole (8) have been seted up on bullet frame (10) a lateral wall, return bend (6) lower extreme with bullet hole (8) are connected, lie in unmanned aerial vehicle body (1) one side of bullet hole (8) still is provided with camera and infrared dress And (9) placing.
2. The projectile fire extinguishing unmanned aerial vehicle according to claim 1, wherein an unmanned aerial vehicle frame (3) is further fixedly arranged below the unmanned aerial vehicle body (1), and the camera and infrared device (9) is mounted on the unmanned aerial vehicle frame (3) and on the same side as the projectile hole (8).
3. The projectile fire extinguishing unmanned aerial vehicle according to claim 1, wherein the lower end of the elbow pipe (6) is positioned in the projectile launching frame (10), a rectangular frame a (74) and a frame b (75) are fixedly sleeved on the lower end of the frame a (74), a motor a (71) is respectively fixed on the upper end and the lower end of the frame a (74), an output shaft of the motor a (71) is fixedly connected with a shaft a (72), rollers a (7) are connected on the shaft a (72), the two rollers a (7) are respectively positioned on the left side and the right side of the elbow pipe (6), a motor b (71-1) is respectively fixed on the left end and the right end of the frame b (75), a shaft b (72-1) is fixedly connected on the output shaft of the motor b (71-1), a roller b (7-1) is connected on the shaft b (72-1), the two rollers b (7-1) are respectively positioned on the upper side and the lower side of the elbow, the two rollers b (7-1) and the two rollers a (7) are respectively positioned on different cross sections of the bent pipe (6), rectangular grooves (76) are formed in positions, corresponding to the rollers b (7-1) and the rollers a (7), on the bent pipe (6), and wheel surfaces of the rollers b (7-1) and the rollers a (7) respectively extend into the corresponding rectangular grooves (76).
4. The fire-fighting bomb unmanned aerial vehicle of claim 3, wherein motor fixing seats (73) are fixed to the upper end and the lower end of the frame a (74) and the left end and the right end of the frame b (75), and the motor a (71) and the motor b (72) are respectively fixed to the corresponding fixing seats (73).
5. A projectile fire suppression drone according to claim 3, characterized in that the frame a (74) and frame b (75) are fixed on the launch frame (10).
6. The missile type fire-fighting unmanned aerial vehicle of claim 3, wherein the missile type switch (5) comprises a switch box (54) which is arranged as an annular shell, a plurality of electric pins (53) are uniformly fixed in the switch box (54), pins (51) of the electric pins (53) extend out of the inner side wall of the switch box (54), the switch box (54) is fixedly sleeved at the joint of the slope surface barrier (4) and the elbow pipe (6), and the pins (51) extend into the joint of the slope surface barrier (4) and the elbow pipe (6).
7. A projectile fire extinguishing unmanned aerial vehicle according to claim 6, wherein the switch box (54) side wall is provided with a bolt hole (52), and the bolt (51) extends out of the switch box (54) inner side wall through the bolt hole (52).
8. A projectile fire fighting drone according to claim 6, characterized in that there are four electrical plugs (53).
9. The projectile fire extinguishing unmanned aerial vehicle of claim 8, further comprising a controller (12), wherein the controller (12) is connected with the camera and the infrared device (9) through cables, the controller (12) is further connected with a lithium battery (13) and a receiver (14) through cables, the receiver (14) is connected with a remote controller (15) through a wireless transmission mode, the lithium battery (13) is electrically connected with a first power distribution board (16), a second power distribution board (17) and a third power distribution board (18) through cables, the first power distribution board (16) is electrically connected with four first electronic speed regulators (16-1) through cables, the four first electronic speed regulators (16-1) are respectively electrically connected with two motors a (71) and two motors b (71-1) through cables in a one-to-one correspondence manner, the unmanned aerial vehicle body (1) is provided with eight unmanned aerial vehicle fan blades (19), the second power distribution plate (17) is electrically connected with eight second electronic speed regulators (17-1) through cables, the eight second electronic speed regulators (17-1) are respectively and correspondingly electrically connected with motors of the eight unmanned aerial vehicle fan blades (19) through cables, the third power distribution board (18) is electrically connected with four third electronic speed regulators (18-1) through cables, the four third electronic speed regulators (18-1) are respectively and correspondingly electrically connected with motors of the four electric plug pins (53) through cables, and the four first electronic speed regulators (16-1), the eight second electronic speed regulators (17-1) and the four third electronic speed regulators (18-1) are electrically connected with the controller (12) through cables.
10. The projectile fire extinguishing unmanned aerial vehicle of claim 1, wherein a fire extinguishing bomb loading port (11) is provided above the fire extinguishing bomb frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010198045.XA CN111332472A (en) | 2020-03-19 | 2020-03-19 | Projectile type fire extinguishing unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010198045.XA CN111332472A (en) | 2020-03-19 | 2020-03-19 | Projectile type fire extinguishing unmanned aerial vehicle |
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| CN111332472A true CN111332472A (en) | 2020-06-26 |
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| CN202010198045.XA Pending CN111332472A (en) | 2020-03-19 | 2020-03-19 | Projectile type fire extinguishing unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112810817A (en) * | 2021-02-19 | 2021-05-18 | 广西一号农服航空科技有限公司 | Aerial goods hook formula unmanned aerial vehicle of jettisoninging |
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