CN111959786B - Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle - Google Patents
Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle Download PDFInfo
- Publication number
- CN111959786B CN111959786B CN202010759364.3A CN202010759364A CN111959786B CN 111959786 B CN111959786 B CN 111959786B CN 202010759364 A CN202010759364 A CN 202010759364A CN 111959786 B CN111959786 B CN 111959786B
- Authority
- CN
- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- mist
- fire extinguishing
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003595 mist Substances 0.000 title claims abstract description 137
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 230000001276 controlling effect Effects 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 43
- 239000003814 drug Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 42
- 239000000575 pesticide Substances 0.000 description 24
- 239000007924 injection Substances 0.000 description 14
- 238000002347 injection Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 10
- 239000000945 filler Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010763 heavy fuel oil Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
-
- 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
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/08—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a fire extinguishing device for a mist unmanned aerial vehicle, which comprises a tank body, a first storage tank and a second storage tank, wherein the tank body is used for storing fire extinguishing agents; the nozzle is arranged at the end part of the tank body and is communicated with the tank body; the adjusting valve is arranged on the nozzle and used for adjusting the opening or closing of the nozzle; and the fire extinguishing control unit is used for monitoring flight height information and temperature information of the atomizing unmanned aerial vehicle and controlling the action of the regulating valve according to the flight height information and the temperature information. The invention also discloses an unmanned aerial vehicle-mounted mist generator, wherein the fire extinguishing device is arranged on the mist generator and is hung on the mist generator, and the nozzle of the fire extinguishing device is arranged opposite to the mist outlet of the mist generator. The invention also discloses a mist unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein the mist generator is mounted on the unmanned aerial vehicle body. The invention has the advantages of intelligence, automation, convenient installation, good safety performance and the like.
Description
Technical Field
The invention relates to the field of agricultural unmanned aerial vehicles, in particular to a fire extinguishing device for a mist unmanned aerial vehicle, a mist generator and the mist unmanned aerial vehicle.
Background
With the progress of science and technology, the agricultural unmanned aerial vehicle is widely applied to farmland medicine spraying tasks, and plays a great role in reducing the burden of farmers, improving the agricultural production efficiency and reducing the pesticide consumption. Meanwhile, when the agricultural unmanned aerial vehicle is misused or accidents occur, damage to the unmanned aerial vehicle and farmlands can be caused. Therefore, the safety performance of the agricultural unmanned aerial vehicle is improved, and the agricultural unmanned aerial vehicle is one of important development directions of the agricultural unmanned aerial vehicle.
Because unmanned aerial vehicle adopts aerial operation's mode, directly spray the medicine and drip and only can act on the crop top layer, to the tall rod crop in the crops, if tree, maize etc. because the canopy height is higher, unmanned aerial vehicle sprays the medicine drip and to the effect of applying of bottom layer foliar not good. The atomizing unmanned aerial vehicle can spray pesticide after atomization by utilizing the blasting effect generated by the oil-gas mixed gas, and sprayed fog drop particles are more uniform and can be dispersed in farmlands in a large range to act on the bottom leaf surfaces of crops. The application mode improves the utilization rate of pesticides and leads crops to be protected in all directions.
However, after the existing mist unmanned aerial vehicle falls down, fuel oil which is not combusted completely still remains in the spray pipe, and the fuel oil can be combusted continuously and sprayed outwards in the spray pipe when the fuel oil is not cooled completely, so that certain potential safety hazards exist, damage to farmland ground is possibly caused, and fire disaster is possibly caused in serious cases. Therefore, the existing mist unmanned aerial vehicle needs to solve the problem, protect operators' safety, ensure that farmlands are not damaged, and prevent fire disasters.
Therefore, how to improve the existing mist unmanned aerial vehicle, improve the safety performance of the unmanned aerial vehicle, ensure the safety of the body and farmland of the mist unmanned aerial vehicle and prevent fire disaster while enabling the mist unmanned aerial vehicle to exert good spraying effect of the unmanned aerial vehicle, and the problem to be solved by people is urgent.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects in the prior art and providing an intelligent automatic fire extinguishing device for a mist unmanned aerial vehicle, a mist generator and a mist unmanned aerial vehicle, which are convenient to install and good in safety performance.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a fire extinguishing apparatus for a misting unmanned aerial vehicle comprising:
the tank body is used for storing the fire extinguishing agent;
the nozzle is arranged at the end part of the tank body and is communicated with the tank body;
the adjusting valve is arranged on the nozzle and used for adjusting the opening or closing of the nozzle;
and the fire extinguishing control unit is used for monitoring flight height information and temperature information of the atomizing unmanned aerial vehicle and controlling the action of the regulating valve according to the flight height information and the temperature information.
When the mist unmanned aerial vehicle flies, the fire extinguishing control unit can monitor flight height information and temperature information of the mist unmanned aerial vehicle in real time, especially, temperature information of a mist generator, then the action of a valve is controlled and regulated according to monitored information, specifically, when the flight height information is lower and the unmanned aerial vehicle is close to the ground, or when high temperature abnormality occurs in the temperature information, the fire extinguishing control unit controls the regulating valve to open a nozzle, the stored under-pressure fire extinguishing agent in the tank body can spray out to extinguish fire, the problems that residual fuel can continue to spray fire outwards after the existing unmanned aerial vehicle lands or the temperature is too high during flight due to faults and the like are solved, whether fire extinguishing work needs to be carried out or not can be timely judged in the whole flight process of the unmanned aerial vehicle, the safety of farmlands and the unmanned aerial vehicle is effectively guaranteed, and the fire extinguishing device is flexible and small and convenient to hang under the mist unmanned aerial vehicle, and has the advantages of being intelligent and automatic, convenient to install, good in safety performance and the like.
The fire extinguishing apparatus for a mist unmanned aerial vehicle described above, preferably, the fire extinguishing control unit includes:
the valve controller is used for receiving the flight height information and the temperature information of the atomizing unmanned aerial vehicle and controlling the action of the regulating valve according to the received flight height information and temperature information;
the height sensor is used for measuring flight height information of the atomizing unmanned aerial vehicle and sending the flight height information to the valve controller;
the temperature sensor is used for measuring temperature information of the atomizing unmanned aerial vehicle and sending the temperature information to the valve controller;
the valve controller, the height sensor, the temperature sensor and the regulating valve are electrically connected.
The method is characterized in that the height sensor and the temperature sensor are adopted to synchronously judge whether the regulating valve is required to be opened, the height sensor is used for judging whether the unmanned aerial vehicle approaches the ground or not in the falling process, the temperature sensor is used for detecting whether the temperature is abnormal or not in the flight process, information is simultaneously transmitted to the valve controller, when the unmanned aerial vehicle is judged to approach the ground or the temperature is abnormal, the valve controller controls the valve to be communicated with the opening nozzle, and when the unmanned aerial vehicle is judged to normally fly or the temperature is normal, the valve controller controls the valve to cut off and close the nozzle.
Preferably, the adjusting valve comprises a valve rod and a driving piece for driving the valve rod to rotate, and the valve rod is provided with a plurality of conical holes capable of conducting the nozzles. The driving piece can drive the valve rod to rotate, and when the valve rod rotates to the specific position, the bell mouth can turn on the spout to the pressurized fire extinguishing agent blowout in the jar body is put out a fire, and when the valve rod rotated to other positions, the bell mouth was closed by the outer wall and can't turn on the spout, and fire extinguishing agent can not spout by sealing at the jar body this moment, and the bell mouth has certain radian, can play the effect of concentrating the air current, and is better to mist generator's fire extinguishing effect.
The fire extinguishing device for the mist unmanned aerial vehicle preferably further comprises a fairing, the fairing covers one end of the tank body, which is provided with the nozzle, the outer surface of the fairing is an arc surface, a nozzle matched with the nozzle is arranged on the fairing, and the nozzle is wedge-shaped and protrudes out of the outer surface of the fairing. The fairing is arc surface, not only is favorable to reducing air resistance, and its streamline appearance can also be used for making water conservancy diversion to blowout atomizing, and the nozzle is located same horizontal line with the spout, and the air current can be strengthened to the nozzle of wedge formula, guarantees that fire extinguishing agent can blow out in even and parallel to well cover in atomizing export of atomizing generator, prevent remaining oil gas mixture to continue burning, can effectively prevent to take place the conflagration and cause the fuselage to damage, outstanding wedge formula nozzle and the fairing combined action of arc surface simultaneously have reduced blowout atomizing to fire extinguishing agent blowout's influence, improve extinguishing device's fire extinguishing effect.
The fire extinguishing device for the mist unmanned aerial vehicle is preferably provided with the injection port for adding the fire extinguishing agent and/or injecting pressure into the tank body, and the tank body is also provided with the pressure gauge for measuring the pressure in the tank body. The fire extinguishing agent can be added into the fire extinguishing agent/pressure injection port and injected into the pressure, and the pressure gauge is matched to realize the injection of the pressure, so that the fire extinguishing device can be reused.
The fire extinguishing device for the mist unmanned aerial vehicle is characterized in that the fire extinguishing agent/pressure injection port, the pressure gauge and the valve controller are preferably provided with the protective cover, the protective cover is sleeved outside the fire extinguishing agent/pressure injection port, the pressure gauge and the valve controller, and the protective cover and the fairing are made of transparent materials, so that the internal electric elements can be protected from being corroded by the sprayed fire extinguishing agent, and meanwhile, a user can conveniently check the data of the pressure gauge so as to judge whether inflation and pressurization are needed.
As a general inventive concept, the present invention also provides an unmanned aerial vehicle-mounted mist generator, on which the fire extinguishing device is mounted, and the nozzle of the fire extinguishing device is arranged opposite to the mist outlet of the mist generator. The existing unmanned aerial vehicle-mounted mist generator can continue to spray fire outwards due to residual fuel after falling, after the fire extinguishing device is arranged, the fire extinguishing device can spray fire extinguishing agent to block external oxygen from entering the mist generator, incomplete combustion of fuel can be effectively prevented from continuing to burn and spray fire outwards, and then the effect of stopping fire rapidly is achieved, the safety of an unmanned aerial vehicle is improved, the ground is prevented from being damaged, and fire is effectively avoided.
In the unmanned aerial vehicle-mounted mist generator, preferably, the nozzle and the end part of the mist outlet of the mist generator are arranged on the same plane, and the direction of spraying the extinguishing agent in parallel with the direction of spraying the mist from the mist outlet of the mist generator is perpendicular to each other. The fire extinguishing agent sprayed out by the fire extinguishing device can form a layer of fire extinguishing flame retardant layer at the mist outlet of the mist generator, the fire extinguishing flame retardant layer covers the mist outlet, on one hand, external oxygen can be timely and uniformly isolated from entering the mist generator to block combustion, a small amount of oxygen still exists when blocking non-uniformity to enter the spray pipe to influence the fire stopping effect, on the other hand, the vertical arrangement can also prevent residual fuel with fire from dripping and flowing out or being blown out, so that the residual fuel with fire is extinguished and cooled in the mist generator, and the safety performance is greatly improved.
The unmanned aerial vehicle carries mist generator, preferably, mist generator still includes quick-witted case, burst pipe, spray tube and pencil, the machine incasement is equipped with oil pump and pencil, the output of oil pump with the input of burst pipe links to each other, the output of burst pipe with the spray tube links to each other, the output of spray tube is as mist outlet of mist generator, the output of pencil with the input of pencil links to each other, the output of pencil with the lumen intercommunication of spray tube. When the mist generator works, the oil pump pumps the oil in the oil tank into the explosion pipe, after oil gas is mixed, the oil pump ignites the oil tank to burn, high-temperature high-pressure gas is generated, the pesticide in the pesticide tank is pumped into the pesticide pipe by the pesticide pump, the pesticide and the high-temperature high-pressure gas are fully mixed to generate mist, and the mist is blown out from the tail pipe at the output end of the spray pipe.
According to the unmanned aerial vehicle mist generator, preferably, the case is provided with the buckle matched with the tank body, and the tank body is clamped and fixed on the case. The adoption of the snap connection facilitates the replenishment or replacement when the extinguishing agent in the tank is exhausted.
In the unmanned aerial vehicle mist generator, preferably, the spray pipe is of a U-shaped pipe structure, and the output end of the spray pipe is perpendicular to the horizontal ground. Specifically, one end of the U-shaped tube structure is connected with the burst tube, and the medicine tube is connected with the side wall of the other end of the U-shaped tube structure. The U-shaped tube structure increases the passing distance of mist in the spray tube, so that the mist is fully diffused in the tube, pesticide and the mist are fully mixed, the output end of the spray tube is vertically arranged below the unmanned aerial vehicle frame, the pesticide can be vertically sprayed downwards through the arrangement, and the mist can be prevented from being attached to the unmanned aerial vehicle frame after being sprayed.
In the unmanned aerial vehicle mist generator, preferably, a battery rack for placing the battery is arranged on the case, and a battery fixing device for preventing the battery from falling off is arranged on the battery rack. The structure can firmly fix the battery and prevent the battery from falling off when the unmanned aerial vehicle flies.
The invention also provides a mist unmanned aerial vehicle as a general inventive concept, which comprises an unmanned aerial vehicle body, wherein the mist generator is mounted on the unmanned aerial vehicle body. The mist generator is well matched with the unmanned aerial vehicle, mist is applied during flight, sprayed mist drops are uniform in particles, the mist generator can be dispersed in a large scale in a farmland, and meanwhile, the fire extinguishing device can cover the mist outlet of the mist generator with fire extinguishing agent for flame retardance during landing, so that continuous flame spraying caused by residual fuel is avoided, potential safety hazards are eliminated, and the ground and the unmanned aerial vehicle are protected from being damaged.
Foretell atomizing unmanned aerial vehicle, preferably, be equipped with the frame on the unmanned aerial vehicle body, atomizing generator is fixed in the intermediate position of frame, still be fixed with oil tank and medical kit in the frame, oil tank and medical kit symmetry set up in the both sides of frame. The positions of the medicine chest, the oil tank and the mist generator are arranged reasonably, so that the unmanned aerial vehicle can fly in balance conveniently, and the flight safety of the unmanned aerial vehicle body is not affected.
The above-mentioned atomizing unmanned aerial vehicle, preferably, be equipped with oil pump, medicine pump and controller on the atomizing generator, atomizing unmanned aerial vehicle still includes remote controller and signal receiver, the remote controller is used for to signal receiver sends the instruction, signal receiver is used for receiving the instruction from the remote controller, the controller is used for adjusting control according to the instruction oil pump and the size of medicine pump pumping capacity, remote controller and signal receiver wireless communication connection, signal receiver with controller communication connection. The remote controller can send out signal command according to actual conditions, the signal receiver sends out the command to the controller after receiving the command, the controller adjusts the rotational speed of the oil pump and the medicine pump respectively according to the content of the command, so that the magnitude of the pumping capacity of each pump is adjusted, different dosage and atomizing quantity are adopted for different fields and different crops according to requirements, pesticides can be utilized in maximum effectiveness, the remote controller has good adaptability to different environments, and the remote controller is particularly suitable for the conditions that our south farmlands are scattered, the sizes are different, and different crops are planted in adjacent fields.
Compared with the prior art, the invention has the advantages that:
the fire extinguishing device is flexible and small, is convenient to mount on the mist generator and simultaneously is mounted under the unmanned aerial vehicle, can judge whether fire extinguishing work is needed according to flight height information and temperature information in the flight process, effectively ensures the safety of farmlands and the unmanned aerial vehicle, and has the advantages of intelligent automation, convenience in mounting, rapid and timely fire extinguishing, good effect, good safety performance and the like.
The mist generator can be provided with a fire extinguishing device, and the mist unmanned aerial vehicle can be provided with the mist generator, so that the conditions of flaming of the mist generator, dropping of fuel oil to farmlands and the like can be effectively avoided, and the safety performance is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of a fire extinguishing apparatus of an embodiment.
Fig. 2 is a schematic diagram of a structure of the fire extinguishing apparatus of the embodiment in a side view.
Fig. 3 is a schematic structural view of the regulating valve in the embodiment.
Fig. 4 is a schematic view of the structure of the valve rod in the embodiment.
Fig. 5 is a schematic perspective view of an embodiment of a mist unmanned aerial vehicle.
Fig. 6 is a schematic structural diagram of the front view direction of the mist unmanned aerial vehicle of the embodiment.
Fig. 7 is a schematic perspective view of the mist generator of the embodiment.
Fig. 8 is a schematic diagram of the structure of the mist generator of the embodiment in the front view direction.
Fig. 9 is a schematic diagram of the structure of a signal receiver in the embodiment.
Fig. 10 is a schematic diagram of the structure of a remote controller in the embodiment.
Fig. 11 is a control flow chart of the fire extinguishing apparatus of the embodiment.
Legend description:
1. an unmanned aerial vehicle body; 11. a frame; 2. a mist generator; 22. a chassis; 23. a burst pipe; 24. a spray pipe; 25. a medicine tube; 26. a battery holder; 3. an oil tank; 4. a medicine box; 5. a remote controller; 51. a signal transmitter; 6. a signal receiver; 61. a protective cover; 7. a fire extinguishing device; 71. a tank body; 72. a spout; 73. adjusting a valve; 731. a valve rod; 732. a driving member; 733. a tapered bore; 74. a fire extinguishing control unit; 741. a valve controller; 742. a height sensor; 743. a temperature sensor; 75. a fairing; 76. a nozzle; 77. an injection port; 78. a pressure gauge; 79. and a protective cover.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown.
As shown in fig. 5 and 6, the mist unmanned aerial vehicle of the present embodiment includes an unmanned aerial vehicle body 1 and a mist generator 2 mounted on the unmanned aerial vehicle body 1.
In this embodiment, be equipped with frame 11 on unmanned aerial vehicle body 1, mist generator 2 is fixed in the intermediate position of frame 11, still is fixed with oil tank 3 and medical kit 4 on the frame 11, and oil tank 3 and medical kit 4 symmetry set up in the both sides of frame 11. Specifically, the frame 11 is isosceles trapezoid shape, the mist generator 2 is fixedly arranged on the bottom edge of the trapezoid frame 11, the oil tank 3 and the medicine box 4 are respectively fixed on two waists of the trapezoid frame 11, the oil tank 3 is connected with the oil pump, and the medicine box 4 is connected with the medicine pump.
As shown in fig. 7, the unmanned aerial vehicle-mounted mist generator of the present embodiment is provided with a fire extinguishing device 7, the fire extinguishing device 7 is mounted on the mist generator 2, and the nozzle 72 of the fire extinguishing device 7 is arranged opposite to the mist outlet of the mist generator 2.
As shown in fig. 1 to 4, the fire extinguishing apparatus 7 for a mist unmanned aerial vehicle of the present embodiment includes a tank 71, a spout 72, an adjusting valve 73, and a fire extinguishing control unit 74, wherein:
the tank 71 is used for storing fire extinguishing agent, specifically, the tank 71 is in a cylindrical shape, two ends of the tank 71 are circular sections parallel to each other, and the fire extinguishing agent stored in the tank 71 is pressurized dry powder so as to ensure that the dry powder can be sprayed out under the action of pressure;
the nozzle 72 is arranged at the end part of the tank 71 and is communicated with the tank 71, and when the nozzle 72 is communicated with the outside, dry powder in the tank 71 can be sprayed out from the nozzle under the action of pressure;
an adjusting valve 73 is provided on the spout 72 for adjusting the opening or closing of the spout 72; specifically, the adjusting valve 73 includes a valve rod 731 and a driving member 732 for driving the valve rod 731 to rotate, the valve rod 731 is provided with a plurality of tapered holes 733 capable of conducting the nozzle 72, the tapered holes 733 are equally spaced and are parallel to each other, the adjusting valve 73 is a rotary electric valve, the driving member 732 is a motor, the valve rod 731 can be driven to rotate, when the tapered holes 733 rotate to be horizontal, the nozzle 72 on the tank 71 is connected, at the moment, the dry powder extinguishing agent is sprayed under the action of the pressure in the tank, and when the tapered holes 733 rotate to be vertical, the nozzle 72 on the tank 71 is cut off.
The fire extinguishing control unit 74 is used for monitoring flight height information and temperature information of the mist unmanned aerial vehicle, and controlling the action of the regulating valve 73 according to the flight height information and the temperature information.
Specifically, in this embodiment, the fire extinguishing control unit 74 includes a valve controller 741, a height sensor 742 and a temperature sensor 743, and the valve controller 741, the height sensor 742, the temperature sensor 743 and the regulating valve 73 are connected by a built-in circuit on the tank 71, where:
the valve controller 741 is configured to receive flight height information and temperature information of the mist unmanned aerial vehicle, and control the action of the regulating valve 73 according to the received flight height information and temperature information; specifically, in the landing process, when the height of the unmanned aerial vehicle approaches the ground or the temperature is abnormal, the valve controller 741 controls the driving member 732 to act, so that the driving member 732 drives the regulating valve 73 to rotate to communicate with the nozzle 72 to spray the fire extinguishing agent;
the height sensor 742 is used for measuring the flying height information of the atomizing unmanned aerial vehicle and sending the flying height information to the valve controller 741 synchronously, and the height sensor 742 is arranged on the side wall of the cylinder of the tank 71;
the temperature sensor 743 is used for measuring temperature information of the atomizing unmanned aerial vehicle and sending the information to the valve controller 741 synchronously, and the temperature sensor 743 is arranged on the side wall of the cylinder of the tank 71.
In this embodiment, the fire extinguishing device 7 further includes a fairing 75, where the fairing 75 covers an end of the tank 71 where the nozzle 72 is provided, the outer surface of the fairing 75 is a cambered surface, and the fairing 75 is provided with a nozzle 76 matched with the nozzle 72, and the nozzle 76 is wedge-shaped and protrudes from the outer surface of the fairing 75. Specifically, the outer surface of the fairing 75 is hemispherical, the fairing 75 is in threaded connection with the tank 71, and the nozzle 76 is arranged at a position corresponding to the position of the nozzle 72 and is positioned on the same horizontal line, so that the nozzle 72 can be opposite to the nozzle 76 after the fairing 75 is installed.
In this embodiment, the tank 71 is further provided with an injection port 77 for adding fire extinguishing agent and injection pressure into the tank, and the tank 71 is further provided with a pressure gauge 78 for measuring the pressure in the tank 71. Specifically, the filler port 77 is provided with a filler cap, the filler cap is in threaded connection with the filler port 77, when the filler cap is unscrewed, dry powder can be added into the tank 71, and when the filler cap is screwed, the pressure in the tank 71 can be hermetically maintained.
In this embodiment, the injection port 77, the pressure gauge 78 and the valve controller 741 are provided with the protective cover 79, the injection port 77, the pressure gauge 78 and the valve controller 741 are adjacently arranged at the end of the tank 71 and are located at the same end as the nozzle 72, the protective cover 79 is sleeved outside the injection port 77, the pressure gauge 78 and the valve controller 741 and is fixed by a buckle, and the protective cover 79 and the fairing 75 are made of transparent materials.
In this embodiment, the nozzle 72 and the end of the mist outlet of the mist generator 2 are disposed on the same plane, and the direction in which the nozzle 72 ejects the extinguishing agent in parallel is perpendicular to the direction in which the mist outlet of the mist generator 2 ejects the mist. Specifically, the mist outlet sprays the liquid medicine mist vertically downwards, and the nozzle 72 blows out the extinguishing agent horizontally, although the nozzle 72 and the nozzle 24 have different air outlet directions, when the mist unmanned aerial vehicle lands, the nozzle 72 and the nozzle 24 are basically positioned on the same horizontal plane, so that good coverage effect is ensured.
As shown in fig. 7 and 8, in this embodiment, the mist generator 2 further includes a casing 22, a burst pipe 23, a spray pipe 24 and a medicine pipe 25, an oil pump and a medicine pump are disposed in the casing 22, an output end of the oil pump is connected to an input end of the burst pipe 23, an output end of the burst pipe 23 is connected to the spray pipe 24, an output end of the spray pipe 24 is used as a mist outlet of the mist generator 2, an output end of the medicine pump is connected to an input end of the medicine pipe 25, and an output end of the medicine pipe 25 is communicated with a lumen of the spray pipe 24. Specifically, a start button and an ignition button are arranged at the upper part of the case 22, an ignition device is arranged at the input end of the burst pipe 23, the ignition device is connected with the ignition button through a wire, the ignition button is a button for controlling the ignition device, and after the ignition button is pressed, the ignition device starts to work.
In this embodiment, the nozzle 24 has a U-shaped pipe structure, and the output end of the nozzle 24 is perpendicular to the horizontal ground. Specifically, one end of the U-shaped spray pipe 24 is connected with the burst pipe 23, the end of the other end is bent downwards to serve as a mist outlet, the medicine pipe 25 is communicated with the inner cavity of the other end of the U-shaped spray pipe 24, and the communicating position of the medicine pipe 25 and the spray pipe 24 is as close to the elbow of the U-shaped spray pipe 24 as possible, so that the passing distance and residence time of pesticide mist in the spray pipe 24 are increased as much as possible, and the pesticide and the mist are fully mixed.
In this embodiment, the case 22 is provided with a buckle for matching with the tank 71, and the tank 71 is fastened and fixed on the case 22 for replacement.
In this embodiment, the battery rack 26 is fixedly disposed on the chassis 22, the battery rack 26 is used for placing a battery, and a battery fixing device for preventing the battery from falling off is disposed on the battery rack 26. Specifically, the battery can be for energy supply such as medicine pump, oil pump, ignition, and battery fixing device is the magic sticky tape, during operation, with battery adhesion to the magic sticky tape, can prevent that the battery from droing in the flight.
In this embodiment, the outlet end of the nozzle 24 of the mist generator 2 is arranged perpendicular to the horizontal ground. Specifically, a certain distance is kept between the output end of the spray pipe 24 and the supporting surface at the bottom of the frame 11, so that the tail gas can be smoothly discharged when the mist generator 2 is preheated.
As shown in fig. 9 and 10, in this embodiment, the mist generator 2 is provided with a controller, the mist unmanned aerial vehicle further includes a remote controller 5 and a signal receiver 6, the remote controller 5 is used for sending instructions to the signal receiver 6, the signal receiver 6 is used for receiving instructions from the remote controller 5, the controller is used for adjusting and controlling the pumping capacity of the oil pump and the drug pump according to the instructions, the remote controller 5 is in wireless communication connection with the signal receiver 6, and the signal receiver 6 is in communication connection with the controller.
In the present embodiment, the remote controller 5 includes a signal transmitter 51 and a plurality of operators, and the signal transmitter 51 is configured to transmit operation instructions of the plurality of operators to the signal receiver 6. Specifically, the plurality of operators comprise a spray switch, a left rocker, a right rocker, an oil pump adjusting roller, a medicine pump adjusting roller and the like.
In this embodiment, the signal receiver 6 is disposed at the top end of the unmanned aerial vehicle body 1, and an ellipsoidal protective cover 61 is disposed at the periphery of the signal receiver 6 to protect the signal receiver 6.
In this embodiment, the signal receiver 6 is connected with the controller in a wired communication manner, and meanwhile, the controller is also connected with the oil pump, the drug pump and the start button through wires, and the signal receiver 6, the controller, the oil pump, the drug pump and the start button form a control circuit. The start button is a safety button, and after the start button is pressed, the circuit is electrified, and the mist generator 2 starts to be preheated. The rotational speed of the oil pump and the medicine pump can be regulated by the control circuit, so that the magnitude of the pump quantity of the oil pump and the medicine pump can be flexibly regulated.
As shown in fig. 11, the specific process of performing the spraying operation by using the mist unmanned aerial vehicle of the present embodiment is as follows:
before operation, whether the oil and pesticide in the oil tank 3 and the pesticide tank 4 are enough or not needs to be checked firstly, if the oil and pesticide are insufficient, the oil tank cover and the pesticide tank cover need to be opened to add the oil and pesticide, then the battery is adhered to the battery rack 26, the power supply of the case 22 and the power supply of the signal receiver 6 are connected, meanwhile, whether the data of the pressure gauge 78 are normal or not is observed through the fairing 75 and the protective cover 79 to check whether the fire extinguishing device 7 is damaged or not, and after all the checks are normal, the remote controller 5 is unlocked to prepare for take-off operation;
the controller on the remote controller 5 is controlled according to the situation, the signal transmitter 51 sends out corresponding signals, the signal receiver 6 receives the signals and then controls the mist unmanned aerial vehicle to fly, when the unmanned aerial vehicle takes off, the height sensor 742 and the temperature sensor 743 are synchronously opened and transmit data to the valve controller 741, specifically, the rocker is pushed to control the mist unmanned aerial vehicle to fly towards the corresponding direction, when the unmanned aerial vehicle travels to the proper position in the field, the spraying switch on the remote controller 5 is opened, the signal receiver 6 transmits the received signals to the controller, the oil pump pumps the oil into the burst pipe 23, after oil and gas are mixed, the ignition device ignites the oil and gas to burn the oil and gas to generate high-temperature high-pressure gas, meanwhile, the pesticide pump pumps the pesticide into the pesticide pipe 25, after the pesticide and the high-temperature high-pressure gas are fully mixed, mist is generated, the pesticide is blown out through the tail pipe of the spray pipe 24, and the pumping quantity of the oil pump and the pesticide pump can be properly adjusted according to the position in the field where the unmanned aerial vehicle is located and the crop type, so as to adapt to the current specific position and crop situation;
after the operation is finished, the spraying switch is turned off, the oil pump and the drug pump stop working, and the unmanned aerial vehicle is controlled to slowly fly to the open area through the remote controller;
in the flight process, when the temperature sensor 743 detects that the temperature is abnormal, the valve controller 741 controls the regulating valve 73 to open the connecting nozzle 72 so as to spray the fire extinguishing agent in the tank 71;
meanwhile, when the unmanned aerial vehicle drops to the ground, and the height sensor 742 detects that the flying height is low, the valve controller 741 controls the regulating valve 73 to open the connecting nozzle 72 so as to spray the fire extinguishing agent in the tank 71;
when the fire extinguishing agent in the tank 71 is completely sprayed, the valve controller 741 controls the regulating valve 73 to close the partition nozzle 72;
after the mist unmanned aerial vehicle stops running, the start button and the ignition button are closed, after the mist unmanned aerial vehicle is completely cooled, the unmanned aerial vehicle is recovered, when the fire extinguishing agent needs to be added, the fire extinguishing device 7 can be taken down, the operation of adding the fire extinguishing agent and the injection pressure into the tank 71 is performed, the pressure gauge 78 can be observed when the injection pressure is performed, after the numerical value is at the normal level, the injection pressure is stopped, and the fire extinguishing device 7 is reinstalled so as to perform the next flight operation.
While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (9)
1. A fire extinguishing apparatus for a misting unmanned aerial vehicle, comprising:
a tank (71) for storing a fire extinguishing agent;
a spout (72) provided at the end of the tank (71) and communicating with the tank (71);
the adjusting valve (73) is arranged on the nozzle (72) and is used for adjusting the opening or closing of the nozzle (72);
the fire extinguishing control unit (74) is used for monitoring flight height information and temperature information of the atomizing unmanned aerial vehicle and controlling the action of the regulating valve (73) according to the flight height information and the temperature information;
the fire extinguishing control unit (74) includes:
the valve controller (741) is used for receiving the flight height information and the temperature information of the atomizing unmanned aerial vehicle and controlling the action of the regulating valve (73) according to the received flight height information and temperature information;
a height sensor (742) for measuring the flying height information of the atomizing unmanned aerial vehicle and transmitting the flying height information to the valve controller (741);
a temperature sensor (743) for measuring temperature information of the atomizing unmanned aerial vehicle and transmitting the temperature information to the valve controller (741);
the valve controller (741), the height sensor (742), the temperature sensor (743) and the regulating valve (73) are electrically connected;
adopt altitude sensor (742) and temperature sensor (743) synchronous judgement whether need open governing valve (73), use altitude sensor (742) to judge whether unmanned aerial vehicle is close ground at the in-process that descends, use temperature sensor (743) to detect temperature anomaly at the flight in-process, with information transfer to valve controller (741) simultaneously, when judging unmanned aerial vehicle and be close ground or temperature anomaly, valve controller (741) control governing valve (73) UNICOM opens spout (72), when judging unmanned aerial vehicle normal flight or temperature normal, valve controller (741) control governing valve (73) cut off and close spout (72).
2. Fire extinguishing device for a misting unmanned aerial vehicle according to claim 1, wherein the regulating valve (73) comprises a valve rod (731) and a driving member (732) for driving the valve rod (731) in rotation, wherein the valve rod (731) is provided with a number of conical holes (733) for conducting the spouts (72).
3. Fire extinguishing device for a misting unmanned aerial vehicle according to claim 1 or 2, wherein the fire extinguishing device (7) further comprises a fairing (75), the fairing (75) covers one end of the tank (71) provided with the nozzle (72), the outer surface of the fairing (75) is a cambered surface, the fairing (75) is provided with a nozzle (76) matched with the nozzle (72), and the nozzle (76) is wedge-shaped and protrudes out of the outer surface of the fairing (75).
4. An unmanned aerial vehicle carries fog generator, its characterized in that: a fire extinguishing device (7) as claimed in any one of claims 1 to 3 is arranged on the mist generator (2), the fire extinguishing device (7) is mounted on the mist generator (2), and the nozzle (72) of the fire extinguishing device (7) is arranged opposite to the mist outlet of the mist generator (2).
5. The unmanned aerial vehicle mist generator of claim 4, wherein: the nozzle (72) and the end part of the mist outlet of the mist generator (2) are arranged on the same plane, and the direction of spraying the extinguishing agent by the nozzle (72) in parallel is perpendicular to the direction of spraying the mist by the mist outlet of the mist generator (2).
6. The unmanned airborne mist generator of claim 4 or 5, wherein: the mist generator (2) further comprises a case (22), a burst pipe (23), a spray pipe (24) and a medicine pipe (25), wherein an oil pump and a medicine pump are arranged in the case (22), the output end of the oil pump is connected with the input end of the burst pipe (23), the output end of the burst pipe (23) is connected with the spray pipe (24), the output end of the spray pipe (24) serves as a mist outlet of the mist generator (2), the output end of the medicine pump is connected with the input end of the medicine pipe (25), and the output end of the medicine pipe (25) is communicated with a pipe cavity of the spray pipe (24).
7. The unmanned aerial vehicle mist generator of claim 6, wherein: the spray pipe (24) is of a U-shaped pipe structure, and the output end of the spray pipe (24) is perpendicular to the horizontal ground.
8. The utility model provides a mist unmanned aerial vehicle which characterized in that: comprising an unmanned aerial vehicle body (1), said unmanned aerial vehicle body (1) carrying thereon a mist generator (2) according to any one of claims 4 to 7.
9. The misting drone of claim 8 wherein: be equipped with frame (11) on unmanned aerial vehicle body (1), mist generator (2) are fixed in the intermediate position of frame (11), still be fixed with oil tank (3) and medical kit (4) on frame (11), oil tank (3) and medical kit (4) symmetry set up in the both sides of frame (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759364.3A CN111959786B (en) | 2020-07-31 | 2020-07-31 | Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759364.3A CN111959786B (en) | 2020-07-31 | 2020-07-31 | Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111959786A CN111959786A (en) | 2020-11-20 |
| CN111959786B true CN111959786B (en) | 2023-10-20 |
Family
ID=73363530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010759364.3A Active CN111959786B (en) | 2020-07-31 | 2020-07-31 | Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111959786B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937706B (en) * | 2021-10-26 | 2023-05-12 | 国网辽宁省电力有限公司辽阳供电公司 | Ice coating processing device for power transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406999A (en) * | 2011-07-27 | 2012-04-11 | 江苏中瑞电保智能装备有限公司 | Pipe network type divisional dry powder fire extinguishing system and method |
| CN206612069U (en) * | 2017-02-23 | 2017-11-07 | 安阳全丰生物科技有限公司 | A kind of aerosol spraying spraying system suitable for unmanned plane |
| CN107497076A (en) * | 2017-09-26 | 2017-12-22 | 董浩 | A kind of vehicle fore cabin fire extinguishing system |
| CN210126641U (en) * | 2019-06-11 | 2020-03-06 | 东莞市福莱特航空科技有限公司 | Atomizing plant protection unmanned aerial vehicle |
-
2020
- 2020-07-31 CN CN202010759364.3A patent/CN111959786B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102406999A (en) * | 2011-07-27 | 2012-04-11 | 江苏中瑞电保智能装备有限公司 | Pipe network type divisional dry powder fire extinguishing system and method |
| CN206612069U (en) * | 2017-02-23 | 2017-11-07 | 安阳全丰生物科技有限公司 | A kind of aerosol spraying spraying system suitable for unmanned plane |
| CN107497076A (en) * | 2017-09-26 | 2017-12-22 | 董浩 | A kind of vehicle fore cabin fire extinguishing system |
| CN210126641U (en) * | 2019-06-11 | 2020-03-06 | 东莞市福莱特航空科技有限公司 | Atomizing plant protection unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111959786A (en) | 2020-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101979276A (en) | Intelligent pesticide application unmanned helicopter | |
| CN105818985B (en) | A kind of plant protection unmanned plane | |
| CN203946276U (en) | Single rotor plant protection unmanned plane pesticide spraying system | |
| CN111959786B (en) | Fire extinguishing device for mist unmanned aerial vehicle, mist generator and mist unmanned aerial vehicle | |
| CN105667760A (en) | Super-low-altitude remote control flight plant protection machine | |
| CN207242047U (en) | A kind of new unmanned plane using wireless remote control technology for agricultural seeder | |
| CN204447056U (en) | The wireless fire extinguisher of a kind of flight formula | |
| CN108341045B (en) | Unmanned aerial vehicle protection device that falls | |
| CN205589485U (en) | Novel but unmanned aerial vehicle that sprays insecticide that intellectual detection system reported to police | |
| CN208325641U (en) | It is a kind of can remote control operation full-automatic unmanned airborne fog machine | |
| CN210126641U (en) | Atomizing plant protection unmanned aerial vehicle | |
| CN210258847U (en) | Unmanned aerial vehicle formula atomizing machine and unmanned aerial vehicle atomizing sprinkling system | |
| CN106954612B (en) | Mist sprayer mounted on unmanned aerial vehicle | |
| CN108617620A (en) | A kind of pulsed spraying machine | |
| CN102327687A (en) | Dry powder extinguishing system and method based on wind-speed adjustment | |
| CN207768990U (en) | A kind of sprinkler tip with Self-watering function | |
| CN210096729U (en) | High-altitude flight fire-fighting device | |
| CN206039299U (en) | Agricultural unmanned aerial vehicle , electronic governor and control system thereof | |
| CN212766763U (en) | Agricultural plant protection unmanned aerial vehicle pesticide sprays and uses invariable pressure supply device | |
| CN210124248U (en) | Automatic starting and fire shutting system of mist plant protection unmanned aerial vehicle | |
| CN209305844U (en) | A kind of long endurance plant protection drone spray assemblies | |
| CN204319585U (en) | The wireless fire extinguisher of a kind of flight formula | |
| CN209464516U (en) | A kind of fire-fighting remote control intelligent robot | |
| CN107535471A (en) | A kind of device for administration of drugs launched suitable for unmanned plane and a kind of matching used agricultural chemicals bag | |
| CN209300053U (en) | A kind of plant protection drone spray assemblies |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |