CN108263615A - A kind of unmanned plane and fire-extinguishing - Google Patents

A kind of unmanned plane and fire-extinguishing Download PDF

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Publication number
CN108263615A
CN108263615A CN201810133557.0A CN201810133557A CN108263615A CN 108263615 A CN108263615 A CN 108263615A CN 201810133557 A CN201810133557 A CN 201810133557A CN 108263615 A CN108263615 A CN 108263615A
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CN
China
Prior art keywords
fire
fire extinguishing
resistance
unmanned plane
extinguishing
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Pending
Application number
CN201810133557.0A
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Chinese (zh)
Inventor
高建民
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SHENZHEN CITY GAOJU INNOVATION TECHNOLOGY DEVELOPMENT Co Ltd
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SHENZHEN CITY GAOJU INNOVATION TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by SHENZHEN CITY GAOJU INNOVATION TECHNOLOGY DEVELOPMENT Co Ltd filed Critical SHENZHEN CITY GAOJU INNOVATION TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201810133557.0A priority Critical patent/CN108263615A/en
Publication of CN108263615A publication Critical patent/CN108263615A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/02Dropping, ejecting, or releasing articles
    • B64D1/04Dropping, ejecting, or releasing articles the articles being explosive, e.g. bombs
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0228Fire 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
    • A62C3/025Fire extinguishing bombs; Projectiles and launchers therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Forests & Forestry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Ecology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a kind of unmanned plane and fire-extinguishings, and including aircraft, suspension mechanism and fire extinguishing ball, the top of the suspension mechanism is fixedly connected on the aircraft, and the bottom end of the suspension mechanism is connected to the fire extinguishing ball;Releasable connector, guiding detonating controlling plate, battery and wiring connector of igniting are provided on the fire extinguishing ball, the releasable connector is connect by signal control line with the aircraft electrical;Delay circuit is provided on the guiding detonating controlling plate, the releasable connector, battery and wiring connector of igniting are all connected in the delay circuit, and the wiring connector of igniting is connected with the fuse of fire extinguishing ball.After the fire extinguishing ball of the present invention is launched away, signal control line is separated with the releasable connector so as to trigger the detonator signal on guiding detonating controlling plate, the fuse of fire extinguishing ball, which is electrically energized, after delay circuit delay a period of time is ignited, even if the pick-up point bias combustion object of fire extinguishing ball, fire extinguishing ball also can reliably be ignited, and improve fire extinguishing success rate.

Description

A kind of unmanned plane and fire-extinguishing
Technical field
The present invention relates to unmanned plane fire-fighting technique field more particularly to a kind of unmanned plane and fire-extinguishings.
Background technology
Fire-fighting is unmanned plane in the very important expansion of civil field with unmanned plane, there is boundless application prospect.Mesh Before, the type for the fire-fighting unmanned plane of fire fire extinguishing is mainly dropped a bomb two class of formula and injecting type, the unmanned equipment of formula of dropping a bomb fire-fighting Have it is motor-driven it is quick, use cost is low, it is easy to operate, the technical characterstics such as be used multiple times, in open fire, especially long distance From, harmful influence, ground fire-fighting be not easy close to etc. there is critical effect in scenes.And the formula fire-fighting unmanned plane that drops a bomb is launched Fire extinguishing ball whether can normal detonation, be related to whether entire fire fighting action succeeds.It finds in practical applications, fire extinguishing ball is invested It during ground, can not necessarily directly fall on point of origin, there is very big probability meeting bias combustion object, and can not ignite immediately, only Have after comburant burns significant period of time, the lead that fire extinguishing ball carries can be just ignited, in many cases can be serious Delay fire fighting opportunity.Therefore, the reliability that the fire extinguishing ball of unmanned plane and fire-extinguishing is ignited is most important in fire-fighting work.
Invention content
The technical problems to be solved by the invention are:A kind of unmanned plane and fire-extinguishing is provided, even if after fire extinguishing ball is cast Fire extinguishing ball also can reliably be detonated far from comburant, improve fire extinguishing success rate.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:
A kind of unmanned plane and fire-extinguishing, including aircraft, suspension mechanism and fire extinguishing ball, the top of the suspension mechanism is fixedly connected In the aircraft, the bottom end of the suspension mechanism is connected to the fire extinguishing ball;Releasable connection is provided on the fire extinguishing ball Device, guiding detonating controlling plate, battery and wiring connector of igniting, the releasable connector pass through signal control line and the aircraft electrical Connection;Delay circuit is provided on the guiding detonating controlling plate, the releasable connector, battery and wiring connector of igniting are all connected with In the delay circuit, the wiring connector of igniting is connected with the fuse of fire extinguishing ball.
The beneficial effects of the present invention are:The present invention fire extinguishing ball be launched away after, signal control line with it is described can Connector phase separation is loosened so as to trigger the detonator signal on guiding detonating controlling plate, the fuse of fire extinguishing ball is just after a period of time that is delayed It can be powered and be ignited, even if the pick-up point bias combustion object of fire extinguishing ball, fire extinguishing ball also can reliably be ignited, raising is put out a fire successfully Rate.
Description of the drawings
Fig. 1 is the overall structure diagram of the unmanned plane and fire-extinguishing of the embodiment of the present invention;
Fig. 2 is the structure diagram of the fire extinguishing ball of the embodiment of the present invention;
Fig. 3 is the circuit diagram of the guiding detonating controlling plate of the embodiment of the present invention;
Label declaration:
1st, aircraft;2nd, suspension mechanism;21st, upper attachment device;22nd, lower connecting device;23rd, side lever;24th, it drops a bomb control Device;3rd, fire extinguishing ball;4th, signal control line;5th, releasable connector;6th, guiding detonating controlling plate;7th, it ignites wiring connector;8th, fuse; 9th, battery.
Specific embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached Figure is explained.
The design of most critical of the present invention is:Releasable connector, guiding detonating controlling plate and battery, institute are set on fire extinguishing ball Releasable connector is stated to connect with the aircraft electrical by signal control line;Delay electricity is provided on the guiding detonating controlling plate Road, the releasable connector, battery and fuse are all connected in the delay circuit.
Please refer to Fig. 1 to Fig. 3, a kind of unmanned plane and fire-extinguishing, including aircraft, suspension mechanism and fire extinguishing ball, the suspension machine The top of structure is fixedly connected on the aircraft, and the bottom end of the suspension mechanism is connected to the fire extinguishing ball;On the fire extinguishing ball Releasable connector, guiding detonating controlling plate, battery and wiring connector of igniting are provided with, the releasable connector is controlled by signal Line is connect with the aircraft electrical;It is provided with delay circuit on the guiding detonating controlling plate, the releasable connector, battery and draws Firewire connector is all connected in the delay circuit, and the wiring connector of igniting is connected with the fuse of fire extinguishing ball.
As can be seen from the above description, the beneficial effects of the present invention are:After the fire extinguishing ball of the present invention is launched away, signal Control line is separated with the releasable connector so as to trigger the detonator signal on guiding detonating controlling plate, and delay circuit is delayed one section The fuse of fire extinguishing ball, which is electrically energized, after time is ignited, even if the pick-up point bias combustion object of fire extinguishing ball, fire extinguishing ball also can quilt It is reliable to ignite, improve fire extinguishing success rate.
Further, the delay circuit includes control unit and switch unit, and one end of described control unit is connected to The releasable connector, the other end of control unit are connected to the switch unit, and described control unit is used in the letter Control signal is generated when number control line is disconnected with releasable connector;The switch unit is used to prolong upon the reception of control signals Shi Liantong power supplys and fuse.
Further, the control circuit includes first resistor, second resistance, the first triode and releasable connector, The first resistor, second resistance and releasable connector three series connection, first triode by base stage and emitter with The second resistance is in parallel.
Seen from the above description, when signal control line is connect with releasable connector, the first resistor and second resistance Partial pressure can be provided for the first triode, the first triode is saturation conduction state, when signal control line and releasable connector During phase separation, the first triode becomes cut-off state from saturation conduction state, so as to trigger switch unit.
Further, the switch unit includes 3rd resistor, charging capacitor module, the second triode, P-channel metal-oxide-semiconductor With the 5th resistance, the source electrode of the P-channel metal-oxide-semiconductor and the wiring connector of igniting are connected to the anode of the power supply and bear Pole, the drain electrode of the P-channel metal-oxide-semiconductor are connect with the wiring connector of igniting;One end of 5th resistance is connected to the electricity The anode in source, the other end of the 5th resistance are connected to the collector of second triode, the emitter of second triode It is connected to the cathode of the power supply;And the source electrode and grid of the P-channel metal-oxide-semiconductor are connected to the both ends of the 5th resistance;Institute 3rd resistor, charging capacitor module and power supply three series connection are stated, and the base stage of second triode and emitter connect respectively In the both ends of the charging capacitor module.
Seen from the above description, when the first triode becomes cut-off state, the battery can to charging capacitor module into Row charging, after a period of time, when the base stage of the second triode reaches its conducting voltage, the second triode saturation conduction so that P The grounded-grid of channel MOS tube, the voltage of the 5th electric resistance partial pressure are enough connected the source electrode and drain electrode of P-channel metal-oxide-semiconductor, draw at this time Firewire connector is directly connected with the positive and negative anodes of battery, and fuse is lighted by electric current, so as to ignite fire extinguishing ball.
Further, the charging capacitor module includes the 4th resistance, the first capacitance and the second capacitance, the 4th electricity Resistance, the first capacitance and the second capacitance three are parallel with one another.
Seen from the above description, by changing the 4th resistance of charging capacitor module or the resistance of the first capacitance and the second capacitance Capacitance can adjust the delay time of guiding detonating controlling plate.
Further, the switch unit further includes short circuit cap and the 6th resistance, both the 6th resistance and short circuit cap It is connected in series between the 5th resistance and the second triode.
Seen from the above description, the 6th resistance can rise point in the turn on process of P-channel metal-oxide-semiconductor together with the 5th resistance Pressure acts on.
Further, the number of the fire extinguishing ball is more than one, and the releasable connector of each fire extinguishing ball passes through respectively A piece signal control line is connect with the aircraft electrical.
Seen from the above description, multiple fire extinguishing balls can be carried on an aircraft, it can be according to need during fire extinguishing It to launch or launch simultaneously successively, the ignition on each fire extinguishing ball can individually carry out triggering by releasable connector thereon, It is independent of each other between each other.
Further, the suspension arrangement includes the lower connecting device and side lever of upper attachment device, annular, the upper connection Device is fixed on the bottom of the aircraft, and the lower connecting device is sheathed on outside the fire extinguishing ball, the upper attachment device and It is connected between lower connecting device by the side lever.
Seen from the above description, the lower connecting device of the annular in the suspension arrangement can carry out spherical fire extinguishing ball very Good fixation.
Further, the lower connecting device includes two semi-rings, by locking connection, institute automatically between described two semi-rings It states automatic lock and is connected to one and drop a bomb controller, it is described to drop a bomb controller for receiving hack and opening the automatic lock.
Seen from the above description, the controller that drops a bomb receives the hack that the devices such as the remote controler on ground are sent When, which can open the automatic lock, and two semi-rings of lower connecting device is made to be separated, so as to make fire extinguishing ball from fly It is fallen on row device.
Further, the fuse is heating wire.
Seen from the above description, the material of heating wire is relatively common, and cost is relatively low, and effect is preferable.
Embodiment
Referring to Fig.1 and 2, the embodiment of the present invention is:A kind of unmanned plane and fire-extinguishing is mounted with fire extinguishing element, can be in fire It puts out a fire in calamity accident.
The unmanned plane and fire-extinguishing includes aircraft 1, suspension mechanism 2 and fire extinguishing ball 3, and the top of the suspension mechanism 2, which is fixed, to be connected The aircraft 1 is connected to, the bottom end of the suspension mechanism 2 is connected to the fire extinguishing ball 3.
Specifically, the suspension arrangement includes upper attachment device 21, the lower connecting device 22 of annular and two side levers 23, institute The bottom that attachment device 21 is fixed on the aircraft 1 is stated, the lower connecting device 22 is sheathed on the outer of the fire extinguishing ball 3 Face, the diameter of the annular lower connecting device 22 are less than the diameter of the fire extinguishing ball 3, therefore, the lower connecting device of the annular 22 be the center position on the lower side for being set in fire extinguishing ball 3.By described between the upper attachment device 21 and lower connecting device 22 Side lever 23 connects, and described two side levers 23 are located at the opposite sides of the fire extinguishing ball 3 respectively.Preferably, the lower connecting device 22 include two semi-rings, and by locking connection automatically between described two semi-rings, the automatic lock is connected to one and drops a bomb controller 24, It is described to drop a bomb controller 24 for receiving hack and opening the automatic lock.Fire extinguishing ball 3 is before dispensing, and described two half Ring is locked by the automatic lock, when the controller 24 that drops a bomb receives hack, the controller 24 that drops a bomb control institute Stating automatic lock makes it be converted to opening, two semi-ring phase separations, and fire extinguishing ball 3 is vacantly fallen.
As shown in Fig. 2, releasable connector 5, guiding detonating controlling plate 6, battery 9, fuse 8 are provided on the fire extinguishing ball 3 With wiring connector 7 of igniting, the releasable connector 5 is electrically connected by a signal control line 4 with the aircraft 1;It is described Delay circuit is provided on guiding detonating controlling plate 6, the releasable connector 5, battery 9 and wiring connector 7 of igniting are all connected to institute It states in delay circuit, the wiring connector 7 of igniting is connected with the fuse 8 of fire extinguishing ball 3.
Specifically, the delay circuit includes control unit and switch unit, one end of described control unit is connected to institute Releasable connector 5 is stated, the other end of control unit is connected to the switch unit, and described control unit is used in the signal Control signal is generated when control line 4 is disconnected with releasable connector 5;The switch unit is used to prolong upon the reception of control signals Shi Liantong power supplys and fuse 8.
Specifically, as shown in figure 3, the control circuit include first resistor R1, second resistance R2, the first triode Q1 and Releasable connector 5 (J1), the first resistor R1, second resistance R2 and releasable connector 5 (J1) three series connection, described the Base stage and emitter that one triode Q1 leads to are connected to the both ends of the second resistance R2.
The positive and negative anodes of the battery 9J4 are connected to the first node N1 and the second node N2.
The switch unit includes 3rd resistor R3, charging capacitor module, the second triode Q2, P-channel metal-oxide-semiconductor Q3, the Five resistance R5, the 6th resistance R6 and short circuit cap J2, the 3rd resistor R3 and charging capacitor block coupled in series are connected to described first Between node N1 and the second node N2, the base stage and emitter of the second triode Q2 are connected to the charging capacitor mould The both ends of block.Specifically, the charging capacitor module includes the 4th resistance R4, the first capacitance C1 and the second capacitance C2, described the Four resistance R4, the first capacitance C1 and the second capacitance C2 three are parallel with one another.By changing 3rd resistor R3, the first capacitance C1 or The capacitance-resistance value of two capacitance C2, thus it is possible to vary the delay time of the delay circuit.One end of the 5th resistance R5 is connected to described The other end of first node N1, the 5th resistance R5 is connected to the 6th resistance R6, the 6th resistance R6 connections and the short circuit cap J2, the short circuit cap J2 are connected to the collector of the second triode Q2, and the emitter of the second triode Q2 is connected to Second node N2.The source electrode and grid of the P-channel metal-oxide-semiconductor Q3 are connected to the both ends of the 5th resistance R5, the P-channel The drain electrode of metal-oxide-semiconductor Q3 is connect with the wiring connector 7 (J3) of igniting;The wiring connector 7 (J3) of igniting is connected to described second Node N2.The wiring connector 7 (J3) of igniting is connected to the fuse 8 of the fire extinguishing ball 3, and the fuse 8 of fire extinguishing ball 3 can be used Heating wire replaces.
After fire extinguishing ball 3 comes off from aircraft 1, between the signal control line 4 and the releasable connector 5 (J1) Circuit disconnect, the first triode Q1 becomes cut-off state, and battery 9J4 can pass through 3rd resistor R3 and the 4th resistance R4 at this time Branch pressure voltage charges to the first capacitance C1 and the second capacitance C2, and after a period of time, the base stage of the second triode Q2 reaches its conducting Voltage, the second triode Q2 saturation conductions so that the grid of P-channel metal-oxide-semiconductor Q3 is grounded by the 6th resistance R6 and short circuit cap J2, The branch pressure voltage of 5th resistance R5 and the 6th resistance R6 is enough connected the source electrode and drain electrode of P-channel metal-oxide-semiconductor Q3, at this time fuse Positive and negative anodes of the connector 7 (J3) directly with battery 9J4 are connected, and fuse 8 is lighted by electric current, so as to ignite fire extinguishing ball 3.
Preferably, more than one fire extinguishing ball 3 is hung on an aircraft 1, be respectively provided on each fire extinguishing ball 3 there are one Releasable connector 5, guiding detonating controlling plate 6 and battery 9, the releasable connector 5 of each fire extinguishing ball 3 pass through a signal control respectively Line 4 processed is electrically connected with the aircraft 1.One unmanned plane and fire-extinguishing can just launch multiple fire extinguishing balls 3 in the process.
In conclusion unmanned plane and fire-extinguishing provided by the invention is simple in structure, cost is relatively low, no matter after fire extinguishing ball is launched Whether it hits exactly comburant, can reliably be ignited, and improves fire extinguishing success rate.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair The equivalents that bright specification and accompanying drawing content are made directly or indirectly are used in relevant technical field, similarly include In the scope of patent protection of the present invention.

Claims (10)

1. a kind of unmanned plane and fire-extinguishing, which is characterized in that including aircraft, suspension mechanism and fire extinguishing ball, the top of the suspension mechanism End is fixedly connected on the aircraft, and the bottom end of the suspension mechanism is connected to the fire extinguishing ball;It is provided on the fire extinguishing ball Releasable connector, guiding detonating controlling plate, battery and wiring connector of igniting, the releasable connector pass through signal control line and institute State aircraft electrical connection;Delay circuit is provided on the guiding detonating controlling plate, the releasable connector, battery and fuse connect It connects device to be all connected in the delay circuit, the wiring connector of igniting is connected with the fuse of fire extinguishing ball.
2. unmanned plane and fire-extinguishing as described in claim 1, which is characterized in that the delay circuit includes control unit and switch is single Member, one end of described control unit are connected to the releasable connector, and the other end of control unit is connected to the switch list Member, described control unit are used to generate control signal when the signal control line and releasable connector disconnect;The switch Unit is for delay connection power supply and fuse upon the reception of control signals.
3. unmanned plane and fire-extinguishing as claimed in claim 2, which is characterized in that the control circuit includes first resistor, the second electricity Resistance, the first triode and releasable connector, the first resistor, second resistance and releasable connector three series connection are described First triode is in parallel with the second resistance by base stage and emitter.
4. unmanned plane and fire-extinguishing as claimed in claim 3, which is characterized in that the switch unit includes 3rd resistor, charging electricity Molar block, the second triode, P-channel metal-oxide-semiconductor and the 5th resistance, the source electrode of the P-channel metal-oxide-semiconductor and the wiring connector of igniting The anode and cathode of the power supply are connected to, the drain electrode of the P-channel metal-oxide-semiconductor is connect with the wiring connector of igniting;Institute The one end for stating the 5th resistance is connected to the anode of the power supply, and the other end of the 5th resistance is connected to the collection of second triode Electrode, the emitter of second triode are connected to the cathode of the power supply;And the source electrode and grid of the P-channel metal-oxide-semiconductor It is connected to the both ends of the 5th resistance;The 3rd resistor, charging capacitor module and power supply three series connection, and the described 2nd 3 The base stage and emitter of pole pipe are connected to the both ends of the charging capacitor module.
5. unmanned plane and fire-extinguishing as claimed in claim 4, which is characterized in that the charging capacitor module includes the 4th resistance, the One capacitance and the second capacitance, the 4th resistance, the first capacitance and the second capacitance three are parallel with one another.
6. unmanned plane and fire-extinguishing as claimed in claim 4, which is characterized in that the switch unit further includes short circuit cap and the 6th electricity Resistance, both the 6th resistance and short circuit cap are connected in series between the 5th resistance and the second triode.
7. unmanned plane and fire-extinguishing as described in claim 1, which is characterized in that the number of the fire extinguishing ball is more than one, each The releasable connector of fire extinguishing ball is connect respectively by a signal control line with the aircraft electrical.
8. unmanned plane and fire-extinguishing as described in claim 1, which is characterized in that the suspension arrangement includes upper attachment device, annular Lower connecting device and side lever, the upper attachment device is fixed on the bottom of the aircraft, and the lower connecting device is sheathed on Outside the fire extinguishing ball, connected between the upper attachment device and lower connecting device by the side lever.
9. unmanned plane and fire-extinguishing as claimed in claim 8, which is characterized in that the lower connecting device includes two semi-rings, described By locking connection automatically between two semi-rings, the automatic lock is connected to one and drops a bomb controller, described to drop a bomb controller for connecing It receives hack and opens the automatic lock.
10. unmanned plane and fire-extinguishing as described in claim 1, which is characterized in that the fuse is heating wire.
CN201810133557.0A 2018-02-09 2018-02-09 A kind of unmanned plane and fire-extinguishing Pending CN108263615A (en)

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Application Number Priority Date Filing Date Title
CN201810133557.0A CN108263615A (en) 2018-02-09 2018-02-09 A kind of unmanned plane and fire-extinguishing

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Application Number Priority Date Filing Date Title
CN201810133557.0A CN108263615A (en) 2018-02-09 2018-02-09 A kind of unmanned plane and fire-extinguishing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200134590A (en) * 2019-05-22 2020-12-02 한호진 Powder fire extinguisher of explosive scattering type
CN113975679A (en) * 2020-07-27 2022-01-28 空中客车运作有限责任公司 Fire extinguishing device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967557A (en) * 1975-01-22 1976-07-06 The United States Of America As Represented By The Secretary Of The Army Adjustable electrical time delay fuze
JPH0970444A (en) * 1995-09-07 1997-03-18 Shinko Electric Co Ltd Fire extinguishing bomb
KR20070048845A (en) * 2005-11-07 2007-05-10 박형갑 Missile for fire extinguishing
CN106823210A (en) * 2017-01-12 2017-06-13 北京生泰消防装备有限公司 A kind of fire extinguisher bomb delivered by unmanned plane
CN208021752U (en) * 2018-02-09 2018-10-30 深圳市高巨创新科技开发有限公司 A kind of unmanned plane and fire-extinguishing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967557A (en) * 1975-01-22 1976-07-06 The United States Of America As Represented By The Secretary Of The Army Adjustable electrical time delay fuze
JPH0970444A (en) * 1995-09-07 1997-03-18 Shinko Electric Co Ltd Fire extinguishing bomb
KR20070048845A (en) * 2005-11-07 2007-05-10 박형갑 Missile for fire extinguishing
CN106823210A (en) * 2017-01-12 2017-06-13 北京生泰消防装备有限公司 A kind of fire extinguisher bomb delivered by unmanned plane
CN208021752U (en) * 2018-02-09 2018-10-30 深圳市高巨创新科技开发有限公司 A kind of unmanned plane and fire-extinguishing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200134590A (en) * 2019-05-22 2020-12-02 한호진 Powder fire extinguisher of explosive scattering type
KR102232935B1 (en) * 2019-05-22 2021-03-26 한호진 Powder fire extinguisher of explosive scattering type
CN113975679A (en) * 2020-07-27 2022-01-28 空中客车运作有限责任公司 Fire extinguishing device

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