CN106943691A - A kind of fire-fighting unmanned plane with damping gun tube - Google Patents
A kind of fire-fighting unmanned plane with damping gun tube Download PDFInfo
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- CN106943691A CN106943691A CN201710183403.8A CN201710183403A CN106943691A CN 106943691 A CN106943691 A CN 106943691A CN 201710183403 A CN201710183403 A CN 201710183403A CN 106943691 A CN106943691 A CN 106943691A
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- fire
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- unmanned plane
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- 238000013016 damping Methods 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
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- 235000009566 rice Nutrition 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0228—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires with delivery of fire extinguishing material by air or aircraft
- A62C3/025—Fire extinguishing bombs; Projectiles and launchers therefor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention relates to a kind of fire-fighting unmanned plane with damping gun tube, including aviation mechanism and control cabinet, control cabinet is arranged on aviation mechanism, aviation mechanism parallel beneath is provided with multiple fire monitors, fire monitor is fixed on below aviation mechanism by monitor body fixture, and monitor body fixture is set on multiple fire monitors be arrangeding in parallel；Fire monitor includes gun barrel and gun tube, and gun barrel is set in outside gun tube；Internal diameter, which is more than in the middle part of two ends internal diameter, gun barrel, in the middle part of gun barrel is provided with the first spring and second spring；A lug boss is provided with the middle part of gun tube outer surface, lug boss is arranged between the first spring and second spring；Gun barrel bottom is provided with the 3rd spring；The first spring, second spring and the 3rd spring set in the fire-fighting unmanned plane of the present invention, gun tube, when launching fire monitor, can reduce recoil, and gun tube is resetted in time, it is ensured that unmanned plane can be while fire monitor be launched, smooth flight.
Description
Technical field
The invention belongs to unmanned plane fire-fighting domain, and in particular to a kind of fire-fighting unmanned plane with damping gun tube.
Background technology
Now in society, as urbanization is promoted, high building construction speed is accelerated, but the equipment development phase of reply tall-building fire fighting
To delayed, meanwhile, with developing rapidly for chemical industry, all kinds of easy blasts are not suitable for the mankind and are in close to the fire-fighting event of processing
Ascendant trend.In this year, firefighterses are because tall-building fire fighting equipment is delayed, closely handle explosive case during fire-fighting causes wound
The number of dying is on the increase, and the problem in this fire-fighting is not resolved always.Current means of fire, is to use aerial ladder fire-fighting mostly
Car solves the problems, such as tall-building fire fighting, and the effective operation of common hook and ladder is highly 30-50 meters, then high reachable 60-70
Rice.But fire fighting truck is larger because of volume, limitation is generally spent by street in responding fire-fighting, it is difficult to current in narrow street, usually
Scene of fire can not be arrived in the very first time, cause fire further to deteriorate.
Fire once occurs for skyscraper, and it is characterized in significantly " stack effect " to have one, i.e.,：The fire occurred in bottom
The hot-air of formation, because density is told somebody what one's real intentions are, is able to flow on the net, just as in a huge chimney through lift trough or stair passage
Air-flow, make hot gas constantly passage obtain top gather, result be make the intensity of a fire through this air convection current in mansion
Top layer manufactures another scene of a fire.And with the discharge of hot-air, fresh air is constantly sucked from bottom flow, causes the intensity of a fire to be entered
One step is aggravated.This fire is mostly spread along lift trough or corridor passage, and fire fighter can not be as processing common buildings fire
Put out a fire like that from outside, air respiratorresuscitator can only be worn and enter the scene of a fire, big fire of putting out a fire to save life and property is stormed by inside.But, at this
A little narrow zones, fire-extinguishing apparatus can not effective operation, once fire spread is to high level floor, fireman can not carry fire-extinguishing apparatus
Puted out a fire to save life and property, very big difficulty is brought to rescue work.
With the development of science and technology, unmanned air vehicle technique reaches its maturity, unmanned plane is with wide the characteristics of its speed is fast, operation is flexible
General application, and it is introduced in fire-fighting fire extinguishing field.Fire monitor is usually carried into the scene of fire that unmanned plane flies to skyscraper,
And launch firefighting cartridge to put out a fire, still, fire monitor transmitting firefighting cartridge when, can have certain recoil, and unmanned aerial vehicle body compared with
Gently, recoil too conference causes the direct disequilibrium of unmanned plane, or even air crash, and recoil is small, causes firefighting cartridge range region to subtract
It is small, therefore, cause the use of fire-fighting unmanned plane to be restricted.
The content of the invention
In order to solve present in prior art because unmanned plane air crash may be caused launching the recoil of firefighting cartridge generation
Technical problem, the invention provides following technical scheme：
A kind of fire-fighting unmanned plane with damping gun tube, including aviation mechanism and control cabinet, the control cabinet are arranged at described fly
In row mechanism, the aviation mechanism parallel beneath is provided with multiple fire monitors, and the fire monitor is fixed on by monitor body fixture
Below the aviation mechanism, the monitor body fixture is set on the multiple fire monitor be arrangeding in parallel；
The fire monitor includes gun barrel and gun tube, and the gun barrel is set in outside the gun tube；
Internal diameter, which is more than in the middle part of two ends internal diameter, the gun barrel, in the middle part of the gun barrel is provided with the first spring and second spring；
Be provided with a lug boss in the middle part of the gun tube outer surface, the lug boss be arranged at first spring and second spring it
Between；
The gun barrel bottom is provided with the 3rd spring.
As further illustrating for the present invention, damping dress is provided between the monitor body fixture and the aviation mechanism
Put；
The damping device includes being arranged at least one set of slide rail below the aviation mechanism, and the slide rail two ends are fixedly connected
There is fixed plate, the fixed plate top is fixed on below the aviation mechanism；
Two sliding blocks are provided with the upward chute of the slide rail upper shed；
The slide rail two ends are arranged with left spring and right spring respectively, and the left spring and right spring one end are fixed on the fixation
On plate, the other end is fixed on the sliding block；
The first connecting plate is fixedly connected with the sliding block, the slide rail both sides are provided with two piece of second connecting plate, described first
The upper end of connecting plate and the second connecting plate is fixedly connected；
The second connecting plate lower end is fixedly connected with the monitor body fixture upper surface.
As further illustrating for the present invention, the monitor body fixture lower surface is fixedly installed supporting leg.
As further illustrating for the present invention, the supporting leg includes sleeve, the 4th spring and expansion link, the 4th bullet
Spring is arranged in the sleeve, and the gun tube fixture lower surface is fixed on the expansion link top, and the sleeve is stretched into bottom
It is interior.
As further illustrating for the present invention, the aviation mechanism includes rotor platform, rotor arm, rotor and flight electricity
Machine, the rotor arm is uniformly fixed on the rotor platform edges, and the rotor is installed on the rotor arm end and by described
The driving rotation of flight motor.
As further illustrating for the present invention, the control cabinet is arranged on the rotor platform, is set in the control cabinet
It is equipped with battery and camera.
Compared with prior art, what the present invention was obtained has the beneficial effect that：
The first spring, second spring and the 3rd spring set in the fire-fighting unmanned plane of the present invention, gun tube, in transmitting fire monitor
When, recoil can be reduced, and gun tube is resetted in time, the left spring and right spring set at slide rail two ends forms secondary subtract
Shake, the effect for making reduction recoil more preferably, passes through damping effect twice, it is ensured that unmanned plane can be in the same of transmitting fire monitor
When, smooth flight.
The present invention is described in further details below with reference to drawings and Examples.
Brief description of the drawings
Fig. 1 is the fire-fighting unmanned plane structural representation of the present invention.
Fig. 2 is the fire-fighting unmanned plane A-A diagrammatic cross-sections of the present invention.
Fig. 3 is the fire-fighting unmanned plane fire monitor structural representation of the present invention.
In figure：1st, fire monitor；2nd, monitor body fixture；3rd, gun barrel；4th, gun tube；5th, the first spring；6th, second spring；7th, it is raised
Portion；8th, the 3rd spring；9th, slide rail；10th, fixed plate；11st, sliding block；12nd, left spring；13rd, right spring；14th, the first connecting plate；15、
Second connecting plate；16th, expansion link；17th, sleeve；18th, the 4th spring；19th, rotor platform；20th, rotor arm；21st, rotor；22nd, fly
Row motor；23rd, control cabinet.
Embodiment
Reach technological means and effect that predetermined purpose is taken for the present invention is expanded on further, below in conjunction with accompanying drawing and reality
Embodiment, architectural feature and its effect of example to the present invention are applied, is described in detail as follows.
As shown in Figure 1 and Figure 2, fire-fighting unmanned plane structural representation of the invention and A-A diagrammatic cross-sections, including flying machine
Structure and control cabinet 23, control cabinet 23 are arranged on aviation mechanism, and aviation mechanism parallel beneath is provided with multiple fire monitors 1, fire-fighting
Big gun 1 is fixed on below aviation mechanism by monitor body fixture 2, and monitor body fixture 2 is set in multiple fire monitors 1 be arrangeding in parallel
On.
As shown in figure 3, fire monitor structural representation, fire monitor 1 includes gun barrel 3 and gun tube 4, gun barrel 3 is set in the big gun
Outside pipe 4；The middle part internal diameter of gun barrel 3 is more than two ends internal diameter, and the middle part of gun barrel 3 is provided with the first spring 5 and second spring 6；The appearance of gun tube 4
Middle face is provided with a lug boss 7, and lug boss 7 is arranged between the first spring 5 and second spring 6, and the bottom of gun barrel 3 is provided with
Three springs 8.
When launching firefighting cartridge, gun tube 4 can be moved round about, now, in the bullet of the spring 8 of second spring 6 and the 3rd
Under power effect, the recoil of gun tube 4 can be reduced, when the recoil of gun tube 4 is kept to zero, due to the spring 8 of second spring 6 and the 3rd
Elastic force is acted on, and gun tube 4 is moved to the firefighting cartridge direction of the launch, now, in order to avoid lug boss 7 bumps against with gun barrel 3, so setting
Put the first spring 5, gun tube 4 to the firefighting cartridge direction of the launch move when, the first spring 5 is compressed, because the elastic force of the first spring 5 is made
With the active force of reduction gun tube 4, under the first spring 5, the collective effect of the spring 8 of second spring 6 and the 3rd, makes rapidly again
The homing of gun tube 4, it is to avoid cause unmanned plane disequilibrium because of the recoil of gun tube 4.
Although the first spring 5 that the inside of fire monitor 1 is set, the spring 8 of second spring 6 and the 3rd can realize reduction gun tube 4
Recoil and gun tube 4 is set back rapidly, still, when launching fire monitor 1, fire monitor 1 is overall can also have necessarily after
Recoil, fire monitor 1 is overall also to move relative to unmanned plane during flying mechanism to the opposite direction of firefighting cartridge, now, if recoil
It is excessive, also result in unmanned plane disequilibrium, or even air crash.
Preferably, it is additionally provided with damping device between monitor body fixture 2 and aviation mechanism；The damping device includes being arranged at
At least one set of slide rail 9 below aviation mechanism, the two ends of slide rail 9 are fixedly connected with fixed plate 10, and the top of fixed plate 10 is fixed on winged
Below row mechanism；Two sliding blocks 11 are provided with the upward chute of the upper shed of slide rail 9；The two ends of slide rail 9 are arranged with left spring respectively
12 and right spring 13, left spring 12 and the one end of right spring 13 are fixed in fixed plate 10, and the other end is fixed on sliding block 11；Sliding block
The first connecting plate 14 is fixedly connected with 11, the both sides of slide rail 9 are provided with two piece of second connecting plate 15, the first connecting plate 14 and second
The upper end of connecting plate 15 is fixedly connected；The lower end of second connecting plate 15 is fixedly connected with the upper surface of monitor body fixture 2.
When launching firefighting cartridge, due to the effect of recoil, fire monitor 1 it is overall with movable slider 11 to firefighting cartridge launch it is anti-
Direction is moved, and now compresses left spring 12, and left spring 12 applies an opposite direction to sliding block 11（The firefighting cartridge direction of the launch）Bullet
Power, so as to reduce recoil, when the recoil of fire monitor 1 disappears, now due to the elastic force of left spring 12, make fire monitor 1 to
The firefighting cartridge direction of the launch is moved, and now compresses right spring 13, due to recoil when elastic force now is much smaller than transmitting firefighting cartridge,
So under the elastic force effect of right spring 13, fire monitor 1 is moved to the opposite direction of transmitting firefighting cartridge again, is so acted in elastic force
Under, although unmanned plane can be caused to produce and rocked, but because energy loss, each elastic force are all sequentially reduced, this, which is rocked, to lead
Unmanned plane disequilibrium is caused, will not more cause unmanned plane to occur air crash, the left spring 12 and the formation secondary shock-absorbing of right spring 13, enter
One step ensures unmanned plane smooth flight.
Preferably, the lower surface of monitor body fixture 2 is fixedly installed supporting leg, and supporting leg includes sleeve 17, the 4th spring 18
With expansion link 16, the 4th spring 18 is arranged in sleeve 17, and the fixture lower surface of gun tube 4, bottom are fixed in the top of expansion link 16
Stretch into sleeve 17.4th spring 18 plays cushioning effect in unmanned plane takeoff and landing, makes unmanned plane takeoff and landing
Also can steadily it carry out.
Aviation mechanism includes rotor platform 19, rotor arm 20, rotor 21 and flight motor 22, and rotor arm 20 is uniformly fixed on
The edge of rotor platform 19, rotor 21 is installed on the end of rotor arm 20 and drives rotation by flight motor 22.Control cabinet 23 is arranged at
On rotor platform 19, battery and camera are provided with control cabinet 23.
The fire-fighting unmanned plane, by storage battery power supply, the spiraling of rotor 21 is driven by flight motor 22, control centre passes through
Camera determines unmanned plane during flying route and target, and to objective emission firefighting cartridge, on the unmanned plane, monitor body fixture 2
On multiple fire monitors 1 can be installed, particular number can be determined according to the loading capacity of unmanned plane, fire extinguishing when, can be larger to the intensity of a fire
Many pieces of firefighting cartridges of field emission, can so avoid because come and go shoot and lose time, miss the best opportunity of fire extinguishing.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (6)
1. a kind of fire-fighting unmanned plane with damping gun tube, including aviation mechanism and control cabinet（23）, the control cabinet（23）If
It is placed on the aviation mechanism, it is characterised in that：The aviation mechanism parallel beneath is provided with multiple fire monitors（1）, it is described to disappear
Anti- big gun（1）Pass through monitor body fixture（2）It is fixed on below the aviation mechanism, the monitor body fixture（2）It is set in described many
The individual fire monitor be arrangeding in parallel（1）On；
The fire monitor（1）Including gun barrel（3）And gun tube（4）, the gun barrel（3）It is set in the gun tube（4）Outside；
The gun barrel（3）Middle part internal diameter is more than two ends internal diameter, the gun barrel（3）Middle part is provided with the first spring（5）With the second bullet
Spring（6）；
The gun tube（4）A lug boss is provided with the middle part of outer surface（7）, the lug boss（7）It is arranged at first spring（5）
And second spring（6）Between；
The gun barrel（3）Bottom is provided with the 3rd spring（8）.
2. fire-fighting unmanned plane according to claim 1, it is characterised in that：The monitor body fixture（2）With the flying machine
Damping device is provided between structure；
The damping device includes being arranged at least one set of slide rail below the aviation mechanism（9）, the slide rail（9）Two ends are consolidated
Surely it is connected with fixed plate（10）, the fixed plate（10）Top is fixed on below the aviation mechanism；
The slide rail（9）Two sliding blocks are provided with the upward chute of upper shed（11）；
The slide rail（9）Two ends are arranged with left spring respectively（12）With right spring（13）, the left spring（12）With right spring
（13）One end is fixed on the fixed plate（10）On, the other end is fixed on the sliding block（11）On；
The sliding block（11）On be fixedly connected with the first connecting plate（14）, the slide rail（9）Both sides are provided with two piece of second connection
Plate（15）, first connecting plate（14）With the second connecting plate（15）Upper end be fixedly connected；
Second connecting plate（15）Lower end and the monitor body fixture（2）Upper surface is fixedly connected.
3. fire-fighting unmanned plane according to claim 2, it is characterised in that：The monitor body fixture（2）Lower surface is fixed and set
It is equipped with supporting leg.
4. fire-fighting unmanned plane according to claim 3, it is characterised in that：The supporting leg includes sleeve（17）, the 4th bullet
Spring（18）And expansion link（16）, the 4th spring（18）It is arranged at the sleeve（17）It is interior, the expansion link（16）Top is consolidated
Due to the gun tube（4）The sleeve is stretched into fixture lower surface, bottom（17）It is interior.
5. the fire-fighting unmanned plane according to claim any one of 1-4, it is characterised in that：The aviation mechanism is flat including rotor
Platform（19）, rotor arm（20）, rotor（21）With flight motor（22）, the rotor arm（20）Uniformly it is fixed on the rotor platform
（19）Edge, the rotor（21）It is installed on the rotor arm（20）End and by the flight motor（22）Driving rotation.
6. fire-fighting unmanned plane according to claim 5, it is characterised in that：The control cabinet（23）The rotor is arranged to put down
Platform（19）On, the control cabinet（23）Inside it is provided with battery and camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183403.8A CN106943691A (en) | 2017-03-24 | 2017-03-24 | A kind of fire-fighting unmanned plane with damping gun tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183403.8A CN106943691A (en) | 2017-03-24 | 2017-03-24 | A kind of fire-fighting unmanned plane with damping gun tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106943691A true CN106943691A (en) | 2017-07-14 |
Family
ID=59473116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710183403.8A Withdrawn CN106943691A (en) | 2017-03-24 | 2017-03-24 | A kind of fire-fighting unmanned plane with damping gun tube |
Country Status (1)
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|---|---|
| CN (1) | CN106943691A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545176A (en) * | 2018-04-20 | 2018-09-18 | 姜英辰 | A kind of novel civilian unmanned plane |
| CN108820211A (en) * | 2018-08-24 | 2018-11-16 | 安徽中天保安服务集团有限公司 | A kind of fire-fighting unmanned plane |
| CN108945447A (en) * | 2018-06-11 | 2018-12-07 | 易瓦特科技股份公司 | Dynamic damping structure for unmanned plane |
| WO2019061775A1 (en) * | 2017-09-30 | 2019-04-04 | 深圳市大疆创新科技有限公司 | Vibration isolation mechanism and shooting robot having vibration isolation function |
| CN109573038A (en) * | 2018-11-08 | 2019-04-05 | 湖南新业态智慧消防科技有限公司 | A kind of fire-fighting unmanned plane |
| CN111265798A (en) * | 2020-03-26 | 2020-06-12 | 长春师范大学 | High-rise building extinguishing device based on unmanned aerial vehicle |
| CN111891357A (en) * | 2020-07-23 | 2020-11-06 | 安徽九洲农业科技有限公司 | A fire control unmanned aerial vehicle for puting in fire extinguishing bomb |
| CN112076410A (en) * | 2020-10-16 | 2020-12-15 | 吉林大学 | Fire control unit based on unmanned aerial vehicle |
| CN115251033A (en) * | 2022-08-05 | 2022-11-01 | 江苏图腾通用航空科技有限公司 | Flying bird-repelling device |
-
2017
- 2017-03-24 CN CN201710183403.8A patent/CN106943691A/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019061775A1 (en) * | 2017-09-30 | 2019-04-04 | 深圳市大疆创新科技有限公司 | Vibration isolation mechanism and shooting robot having vibration isolation function |
| CN109937314B (en) * | 2017-09-30 | 2021-12-03 | 深圳市大疆创新科技有限公司 | Vibration isolation mechanism and shooting robot with vibration isolation function |
| CN109937314A (en) * | 2017-09-30 | 2019-06-25 | 深圳市大疆创新科技有限公司 | Vibration isolating mechanism, the shooting robot with vibration isolation function |
| CN108545176A (en) * | 2018-04-20 | 2018-09-18 | 姜英辰 | A kind of novel civilian unmanned plane |
| CN108945447A (en) * | 2018-06-11 | 2018-12-07 | 易瓦特科技股份公司 | Dynamic damping structure for unmanned plane |
| CN108820211A (en) * | 2018-08-24 | 2018-11-16 | 安徽中天保安服务集团有限公司 | A kind of fire-fighting unmanned plane |
| CN109573038B (en) * | 2018-11-08 | 2021-01-15 | 湖南新业态智慧消防科技有限公司 | Fire control unmanned aerial vehicle |
| CN109573038A (en) * | 2018-11-08 | 2019-04-05 | 湖南新业态智慧消防科技有限公司 | A kind of fire-fighting unmanned plane |
| CN111265798A (en) * | 2020-03-26 | 2020-06-12 | 长春师范大学 | High-rise building extinguishing device based on unmanned aerial vehicle |
| CN111891357A (en) * | 2020-07-23 | 2020-11-06 | 安徽九洲农业科技有限公司 | A fire control unmanned aerial vehicle for puting in fire extinguishing bomb |
| CN111891357B (en) * | 2020-07-23 | 2021-10-29 | 安徽九洲农业科技有限公司 | A fire control unmanned aerial vehicle for puting in fire extinguishing bomb |
| CN112076410A (en) * | 2020-10-16 | 2020-12-15 | 吉林大学 | Fire control unit based on unmanned aerial vehicle |
| CN115251033A (en) * | 2022-08-05 | 2022-11-01 | 江苏图腾通用航空科技有限公司 | Flying bird-repelling device |
| CN115251033B (en) * | 2022-08-05 | 2023-10-13 | 江苏图腾通用航空科技有限公司 | Flying bird-repellent device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170714 |
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| WW01 | Invention patent application withdrawn after publication |