CN111956971A - Fire fighting method and device for high-rise building of unmanned helicopter - Google Patents
Fire fighting method and device for high-rise building of unmanned helicopter Download PDFInfo
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- CN111956971A CN111956971A CN202010783105.4A CN202010783105A CN111956971A CN 111956971 A CN111956971 A CN 111956971A CN 202010783105 A CN202010783105 A CN 202010783105A CN 111956971 A CN111956971 A CN 111956971A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000006260 foam Substances 0.000 claims abstract description 121
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000002347 injection Methods 0.000 claims abstract description 38
- 239000007924 injection Substances 0.000 claims abstract description 38
- 230000001629 suppression Effects 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 11
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000036632 reaction speed Effects 0.000 abstract description 4
- 238000005187 foaming Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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- 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
- A62C3/0214—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for buildings or installations in fire storms
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Pest Control & Pesticides (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire fighting method and a device for a high-rise building of an unmanned helicopter, wherein the device comprises a water belt, a foam extinguishing agent injection pipe, a compressed air foam fire truck, a wireless remote control device and at least one unmanned helicopter; a foam extinguishing agent injection pipe is fixed below the unmanned helicopter; one end of the water band is connected with the inlet end of the foam extinguishing agent spraying pipe, and the other end of the water band is connected with an A-type foam extinguishing agent outlet of the compressed air foam fire truck; the wireless remote control device is used for controlling the unmanned helicopter to lift off. The unmanned helicopter pulls the A-type foam fire hose to lift off for high-rise fire suppression, has the advantages of high reaction speed, high lifting height, wide operation surface and multi-machine linkage operation, and can greatly improve the fire extinguishing efficiency of high-rise fire suppression.
Description
Technical Field
The invention belongs to the field of fire fighting equipment, and particularly relates to a fire fighting method and device for a high-rise building of an unmanned helicopter.
Background
The high-rise buildings in cities in China are erected. The fire fighting of high-rise building features that the fire expands to the upper space fast and the burning range expands fast. The upward climbing channel in the high-rise building is narrow, the personnel and the fire fighting device are difficult to transport, and are disturbed by high-temperature smoke, and the fire fighting difficulty of fire fighters is very high. A lift and spray fire engine for off-building water injection is put out a fire, because the automobile body overlength is unfavorable for quick motor in the road that blocks up in the city, and the area outside the building of catching fire is narrow in addition, and the height of lifting is limited to lift and spray fire engine is difficult for expanding, is difficult to exert its advantage of putting out a fire. Therefore, fire fighting in high-rise buildings is a worldwide problem.
The short-wheelbase urban main battle fire truck which is configured for improving the rapid response capability can quickly reach a fire scene and comprises a compressed air foam fire truck. In the process of extinguishing building fire, the spraying of A-type foam extinguishing agent has much higher fire extinguishing efficiency than water spraying fire extinguishing, the foam extinguishing liquid can be attached to a vertical wall surface, the surface tension of water contained in the foam is small, the permeability is strong, the fire behavior and fire extinguishing can be controlled more quickly, the water consumption in a fire scene is reduced, and the composite fire extinguishing agent has better anti-reburning effect. The foaming times of the A-type foam extinguishing agent sprayed by the compressed air foam fire engine can be switched between 'wet foam' and 'dry foam', and the adjustment range is wide. However, the compressed air foam fire engine has no high-lift jetting capability and cannot put out fire fighting of high-rise buildings.
Disclosure of Invention
The invention aims to provide a high-rise building fire suppression method and device of an unmanned helicopter, which can improve the quick response capability and the fire suppression efficiency of high-rise building fire suppression.
The technical solution for realizing the purpose of the invention is as follows:
a fire fighting device for a high-rise building of an unmanned helicopter comprises a water belt, a foam extinguishing agent injection pipe, a compressed air foam fire truck, a wireless remote control device and at least one unmanned helicopter;
a foam extinguishing agent injection pipe is arranged below the unmanned helicopter; one end of the water band is connected with the inlet end of the foam extinguishing agent spraying pipe, and the other end of the water band is connected with an A-type foam extinguishing agent outlet of the compressed air foam fire truck; the wireless remote control device is used for controlling the unmanned helicopter to lift off, a camera is arranged on the unmanned helicopter and electrically connected with a flight control system of the unmanned helicopter, and is used for acquiring barrier information, fire extinguishing agent spraying state and fire extinguishing effect in the operation process and transmitting the barrier information, the fire extinguishing agent spraying state and the fire extinguishing effect to the wireless control device through the flight control system; a Beidou navigation and gyroscope stabilizing mechanism is arranged in the unmanned helicopter; the Beidou navigation and gyroscope stabilizing mechanism is electrically connected with the flight control system, the Beidou navigation system transmits coordinate information of the unmanned helicopter to the wireless control device, and the wireless remote control device is used for controlling the unmanned helicopter to lift off to reach a fire scene; the gyroscope stabilizing mechanism is used for enabling the unmanned helicopter to keep a stable hovering operation state; the automatic fire extinguishing device is characterized in that an oil-operated valve and a transmission rod are arranged on the unmanned helicopter, the middle of the transmission rod is rotationally connected with the body of the unmanned helicopter through a rotating shaft, the oil-operated valve is rotationally hinged with the upper end of the transmission rod and is electrically connected with a flight control system, and the foam extinguishing agent injection pipe is fixed at the lower end of the transmission rod; the wireless remote control device is used for controlling the expansion and contraction of the oil-operated valve, and the oil-operated valve drives the transmission rod to rotate around the rotating shaft, so that the up-and-down rotating injection of the foam extinguishing agent injection pipe is controlled.
A fire extinguishing method for high-rise buildings of an unmanned helicopter is characterized in that an unmanned helicopter is connected with a foam extinguishing agent injection pipe, the foam extinguishing agent injection pipe is connected with an A-type foam extinguishing agent outlet of a compressed air foam fire fighting truck through a water belt, and the unmanned helicopter is lifted to extinguish the fire by injecting the A-type foam extinguishing agent for the high-rise buildings.
Compared with the prior art, the invention has the following remarkable advantages:
(1) the unmanned helicopter pulls the A-type foam fire hose to lift off for high-rise building fire suppression, has the advantages of high reaction speed, high lifting height, wide operation surface and multi-machine linkage operation, overcomes the defects that a lifting jet fire truck is slow to reach a fire scene, slow to unfold on the scene, insufficient in lifting height and limited in operation surface, and can greatly improve the fire extinguishing efficiency of high-rise building fire suppression.
(2) When the A-type foam extinguishing agent passes through the diffusion section in the injection pipe, compressed air in the A-type foam extinguishing agent expands in the diffusion section, the pressure energy of the compressed air is converted into kinetic energy, the foam extinguishing agent fluid is further accelerated, the speed of the A-type foam extinguishing agent fluid when the A-type foam extinguishing agent fluid is injected from the outlet section is 20-30% higher than the injection speed without the diffusion section (when the diffusion section does not exist, compressed air in the foam extinguishing agent expands outside the injection pipe), the distance of the A-type foam extinguishing agent injected into a building is increased, the coverage area of the A-type foam extinguishing agent is enlarged, the A-type foam extinguishing agent is better adhered to the surface of an ignition object to absorb heat and reduce the temperature, the water extinguishing efficiency is improved, the fire extinguishing time is shortened, the water consumption of a fire scene is reduced, the water loss is avoided, and the effect of re-ignition is prevented.
(3) The Beidou navigation/gyroscope stabilizing mechanism installed in the unmanned helicopter control system enables the unmanned helicopter to quickly reach a fire scene, and can still stably aim at a high-rise building fire source to spray fire extinguishing agent under the disturbance of side wind.
(4) The length of a foam extinguishing agent injection pipe arranged below the unmanned helicopter is 3-4 m, an injection outlet of the foam extinguishing agent injection pipe is arranged outside a lower washing air flow generated by a rotor wing of the unmanned helicopter, and the injected foam extinguishing agent is not influenced by the lower washing air flow of the rotor wing. The telescopic foam extinguishing agent injection pipe is convenient for vehicle-mounted transportation and storage of the unmanned helicopter.
Drawings
FIG. 1 is a general schematic diagram of an unmanned helicopter towing a class A foam fire suppressant hose.
Fig. 2 is a schematic diagram of an additional installation device on the unmanned helicopter.
FIG. 3 is a photograph of a live situation where a plurality of unmanned helicopters drag a class A foam extinguishing agent to extinguish a fire in a water-belt lift-off linkage manner.
Notation in the figure: the system comprises an unmanned helicopter 1, a camera 1-1, a Beidou navigation/gyroscope stabilizing mechanism 1-2, an oil-operated valve 1-3, a transmission rod 1-4, a foam extinguishing agent injection pipe 2, a telescopic main pipe 2-1, a diffusion section 2-2, an outlet section 3-3, an ultra-light water hose 3, a water hose quick-release interface 4, a compressed air foam fire truck 5, an A-type foam extinguishing agent outlet 6, an A-type foam extinguishing agent outlet 7 and a wireless remote control device 8.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
With reference to fig. 1, the fire fighting device for the high-rise building of the unmanned helicopter is composed of an unmanned helicopter 1, an ultra-light water hose 3, a foam extinguishing agent injection pipe 2, a water hose quick-release connector 4, an A-type foam fire truck 5 and a wireless remote control device 8, and is characterized in that the foam extinguishing agent injection pipe 2 is fixed below the unmanned helicopter 1, the ultra-light water hose 3 is connected to the inlet end of the foam extinguishing agent injection pipe 2, the ultra-light water hose 3 is connected with the A-type foam extinguishing agent outlet 7 of the compressed air fire truck 5 through the water hose quick-release connector 4, and the wireless remote control device 8 is used for controlling the unmanned helicopter 1 to lift empty.
The foam extinguishing agent injection pipe 2 is made of carbon fiber composite materials and consists of a telescopic main pipe 2-1, a diffuser section 2-2 and an outlet section 2-3, and is characterized in that the telescopic main pipe 2-1 is connected with the diffuser section 2-2, the pipe diameter of the diffuser section 2-2 is enlarged along the flow direction of the foam extinguishing agent, and the area ratio of a radial section at the inlet of the diffuser section 2-2 to a radial section at the outlet is 1: (3-3.5); the ratio of the diameter at the exit of the diffuser section 2-2 to the length of the diffuser section 2-2 is 1: (4-5). The outlet section 2-3 connected with the diffusion section 2-2 is not changed along the diameter of the pipe. An ultra-light water hose 3 with the length of 2-3 m is connected to the inlet of the telescopic main pipeline 2-1. During vehicle-mounted transportation and storage of the unmanned helicopter 1, the telescopic main pipeline 2-1 is in a retracted state and extends out under the action of fluid pressure when the foam extinguishing agent is sprayed.
The ultra-light water band 3 is woven by high-strength polyester yarns, and the single weight of the water band with the diameter of 40mm is 110 g/m; the water band with the diameter of 50mm has the single weight of 150g/m, and the bursting pressure of the two-type water band 3 is more than 9 MPa. The length of the water hose 3 is cut according to the requirement, one end of the water hose 3 is connected with a foam extinguishing agent outlet of the compressed air foam fire engine through a quick-release connector 4, and the other end of the water hose 3 is connected with the water hose 3 arranged on the jet pipe 2 of the unmanned helicopter through the quick-release connector 4.
The compressed air foam fire fighting truck 5 is provided with 2A-type foam extinguishing agent outlets 6 connected with an ultra-light water belt with the diameter of 40mm and 1A-type foam extinguishing agent outlet 7 connected with an ultra-light water belt with the diameter of 50 mm.
In the unmanned helicopter 1, a Beidou navigation/gyroscope stabilizing mechanism 1-2 is arranged in an operation system. The Beidou navigation mechanism enables the unmanned helicopter to quickly reach a fire scene, and the gyroscope stabilizing mechanism can still automatically control the unmanned helicopter 1 to stably aim at the high-rise building fire source to spray fire extinguishing agent under the disturbance of side wind.
The unmanned helicopter 1 provided by the invention is an unmanned helicopter with the bearing capacity of more than 70kg by taking a fuel engine as power, and comprises a single-rotor helicopter, a contra-rotor helicopter and a multi-rotor helicopter. The unmanned helicopter has the advantages of small volume, high reaction speed and strong maneuverability. The unmanned helicopter taking the fuel engine as power has long idle time, can lift the conveyer belt dragging the fire extinguishing agent to extinguish fire, continuously sprays the fire extinguishing agent into the building, can be linked by a plurality of machines to extinguish fire, and has high lifting height and wide operation surface. However, the total weight of the fire hose for inputting the purified water is large, and the unmanned helicopter is difficult to drag the fire hose to extinguish the high-rise fire. When the foaming rate of the A-type foam extinguishing agent output by the compressed air foam fire engine is adjusted to be about 10 times, the density of the A-type foam extinguishing agent is about 1/8-1/9 of the density of pure water, and the total weight of the water hose can be greatly reduced by selectively matching an ultra-light water hose. Therefore, the compressed air foam fire truck is combined with the unmanned helicopter, the unmanned helicopter drags the A-type foam extinguishing agent input to the water hose by the compressed air foam fire truck to implement fire fighting of high-rise buildings, the advantages of high reaction speed, high rise height and large operation range can be exerted, and the defects of lifting of the jet fire truck are overcome.
Example 1
The unmanned helicopter 1 with the bearing capacity of 70kg drags the ultra-light water hose 3 with the diameter of 40mm and the length of 2m to fly to a fire scene under the control of the wireless remote control device 8 and the Beidou navigation/gyroscope stabilizing mechanism 1-2, and the camera 1-1 displays obstacles on the way. The helicopter 1 is suspended near the compressed air foam fire truck 5, the height between the lower end water hose quick-release connector 4 of the ultralight water hose 3 with the length of 2m and the ground is 1-1.5 m, and a fire fighter connects the ultralight water hose 3 from the compressed air foam fire truck 5 with the water hose quick-release connector 4 dragged by the unmanned helicopter 1. Then, the compressed air foam fire fighting truck 5 inputs the A-type foam extinguishing agent with the pressure of 1.2MPa into the ultra-light water hose 3. When the mixing ratio of the A-type foam extinguishing agent to water is adjusted to be 0.2-0.6%, the foaming times of the corresponding A-type foam extinguishing agent can reach 10-15 times. A type A foam fire extinguishing liquid with foaming rate of 10 times is input into an ultra-light water hose 3 dragged by an unmanned helicopter 1, a telescopic main pipeline 2-1 extends under the action of foam liquid pressure, the unmanned helicopter 1 drags the ultra-light water hose 3 and sprays A type foam fire extinguishing agent while lifting (the influence of recoil generated when the spraying is connected in the air on flight stability is avoided), the A type foam fire extinguishing agent is injected into a fire catching room at the lowest layer of a high-rise building which is on fire, the fire in the fire catching room is extinguished, and then the fire is extinguished layer by layer. When the unmanned helicopter 1 is raised to a height of 100m, the combined weight of the ultra-light water hose 3 and the foam extinguishing agent is not more than 40 kg. Wherein the weight of the ultra-light water band 3 (containing the quick-release connector 4) is not more than 13kg, and the net weight of the A-type foam extinguishing agent with the foaming rate of 10 times is not more than 20 kg. When the unmanned helicopter 1 encounters side wind disturbance below 10m/s in the jet operation, an electric gate in a Beidou navigation/gyroscope stabilizing mechanism 1-2 on the wireless remote control device 8 is switched on, and the gyroscope stabilizing mechanism works to ensure that the unmanned helicopter 1 keeps a stable hovering operation state, wherein the vertical height error is not more than +/-20 cm, and the horizontal direction error is not more than +/-30 cm. The unmanned helicopter is provided with an oil valve 1-3 and a transmission rod 1-4, the middle of the transmission rod 1-4 is rotatably connected with the body of the unmanned helicopter through a rotating shaft, the oil valve 1-3 is rotatably hinged with the upper end of the transmission rod 1-4 and is electrically connected with a flight control system, and the foam extinguishing agent injection pipe 2 is fixed at the lower end of the transmission rod 1-4; the wireless remote control device is used for controlling the expansion of the oil-operated valve 1-3, and the oil-operated valve 1-3 drives the transmission rod 1-4 to rotate around the rotating shaft, so that the up-and-down rotating injection of the foam extinguishing agent injection pipe is controlled. The control handle of the oil-operated valve 1-3 on the wireless remote control device 8 is operated, and the foam extinguishing agent injection pipe 2 can be operated to rotate upwards for injection at an angle of not more than 15 degrees and rotate downwards for injection at an angle of 25 degrees. The wireless remote control device 8 is operated to change the working state of the tail rotor of the unmanned helicopter and change the injection angle of the A-type foam extinguishing agent along the horizontal direction. The camera 1-1 transmits video images of the fire extinguishing agent spraying state and the fire extinguishing effect to the operator. Can accurately control a plurality of unmanned helicopters to participate in fire fighting of high-rise buildings at the same time.
The flow of the A-type foam extinguishing agent on the compressed air foam fire fighting truck 5 can meet the requirement of conveying the A-type foam extinguishing agent to 2 unmanned helicopters simultaneously.
Example 2
The unmanned helicopter 1 with the carrying capacity of 70kg drags the ultra-light water hose 3 with the diameter of 50mm and the length of 2m, and flies under the control of the wireless remote control device 8 to hover near the compressed air foam fire truck 5 as described in embodiment 1, the height of the lower end water hose quick-release connector 4 of the ultra-light water hose 3 with the dragged length of 2m from the ground is 1-1.5 m, and a fire fighter connects the ultra-light water hose 3 from the compressed air foam fire truck 5 with the water hose quick-release connector 4 dragged by the unmanned helicopter. Then, the compressed air foam fire fighting truck 5 inputs the A-type foam extinguishing agent with the foaming rate of 10 times and the pressure of 1.2MPa into the ultra-light water hose 3, the unmanned helicopter 1 drags the ultra-light water hose 3 and sprays the A-type foam extinguishing agent while lifting (the influence of recoil generated when the spraying is connected in the air on the flight stability is avoided), and the A-type foam extinguishing agent is sprayed into a high-rise building which is on fire from bottom to top layer by layer to extinguish the fire. When the unmanned helicopter 1 is raised to a height of 100m, the combined weight of the ultra-light water hose 3 and the foam extinguishing agent is not more than 50 kg. Wherein the weight of the ultra-light water band 3 (containing the quick-release connector) is not more than 18kg, and the net weight of the A-type foam extinguishing agent with the foaming rate of 10 times is not more than 30 kg. The unmanned helicopter 1 is in a controllable stable flight state. And when the unmanned helicopter lands on the ground, the input of the A-type foam extinguishing agent to the ultra-light water belt is cut off. Can accurately control a plurality of unmanned helicopters to participate in fire fighting of high-rise buildings.
The flow of the A-type foam extinguishing agent on the compressed air foam fire fighting truck 5 can meet the requirement of conveying the A-type foam extinguishing agent to 1 unmanned helicopter.
Claims (10)
1. A fire fighting device for a high-rise building of an unmanned helicopter is characterized by comprising a water belt, a foam extinguishing agent injection pipe, a compressed air foam fire truck, a wireless remote control device and at least one unmanned helicopter;
a foam extinguishing agent injection pipe is arranged below the unmanned helicopter; one end of the water band is connected with the inlet end of the foam extinguishing agent spraying pipe, and the other end of the water band is connected with an A-type foam extinguishing agent outlet of the compressed air foam fire truck; the wireless remote control device is used for controlling the unmanned helicopter to lift off, a camera is arranged on the unmanned helicopter and electrically connected with a flight control system of the unmanned helicopter, and is used for acquiring barrier information, fire extinguishing agent spraying state and fire extinguishing effect in the operation process and transmitting the barrier information, the fire extinguishing agent spraying state and the fire extinguishing effect to the wireless control device through the flight control system; a Beidou navigation and gyroscope stabilizing mechanism is arranged in the unmanned helicopter; the Beidou navigation and gyroscope stabilizing mechanism is electrically connected with the flight control system, the Beidou navigation system transmits coordinate information of the unmanned helicopter to the wireless control device, and the wireless remote control device is used for controlling the unmanned helicopter to lift off to reach a fire scene; the gyroscope stabilizing mechanism is used for enabling the unmanned helicopter to keep a stable hovering operation state; the automatic fire extinguishing device is characterized in that an oil-operated valve and a transmission rod are arranged on the unmanned helicopter, the middle of the transmission rod is rotationally connected with the body of the unmanned helicopter through a rotating shaft, the oil-operated valve is rotationally hinged with the upper end of the transmission rod and is electrically connected with a flight control system, and the foam extinguishing agent injection pipe is fixed at the lower end of the transmission rod; the wireless remote control device is used for controlling the expansion and contraction of the oil-operated valve, and the oil-operated valve drives the transmission rod to rotate around the rotating shaft, so that the up-and-down rotating injection of the foam extinguishing agent injection pipe is controlled.
2. A high-rise building fire suppression apparatus as defined in claim 1, wherein a foam fire suppressant spray outlet is disposed outside of a down-wash air flow generated by the unmanned helicopter rotor.
3. The unmanned helicopter high-rise building fire suppression apparatus as recited in claim 1, wherein said foam fire suppressant spray pipe is made of carbon fiber composite material and is composed of a retractable pipe, a diffuser section, an outlet section connected in sequence; the inlet end of the telescopic pipeline is used for connecting a water belt, and the radial sectional area of the inlet of the diffuser section is smaller than that of the outlet; the pipe diameter of the outlet section connected with the diffusion section is unchanged along the flow direction.
4. The unmanned helicopter high-rise building fire suppression apparatus of claim 3, wherein the ratio of the area of the radial section at the entrance to the radial section at the exit of the diffuser to the area of the radial section at the exit is 1: (3-3.5).
5. The unmanned helicopter high-rise building fire suppression apparatus of claim 3, wherein the ratio of the diameter at the diffuser exit to the length of the diffuser is 1: (4-5).
6. The unmanned helicopter high-rise building fire suppression device of claim 1, wherein the other end of the hose is connected to a class a foam extinguishing agent outlet of a compressed air fire fighting truck through a quick release coupling.
7. The unmanned helicopter high-rise building fire suppression apparatus as recited in claim 1, wherein said class a foam fire engine is provided with a plurality of class a foam fire suppressant outlets of different calibers.
8. The unmanned helicopter high-rise building fire suppression apparatus of claim 1, wherein the unmanned helicopter is an unmanned helicopter powered by a fuel engine.
9. A fire extinguishing method for a high-rise building of an unmanned helicopter is characterized in that a foam extinguishing agent injection pipe is connected through an unmanned aerial vehicle, the foam extinguishing agent injection pipe is connected with an A-type foam extinguishing agent outlet of a compressed air foam fire fighting truck through a water belt, and the unmanned helicopter is lifted to empty to spray the A-type foam extinguishing agent for extinguishing the fire of the high-rise building.
10. The fire suppression method for the high-rise building of the unmanned helicopter according to claim 9, wherein the unmanned helicopter 1 drags the ultra-light water hose 3 and sprays the A-type foam extinguishing agent while lifting, the A-type foam extinguishing agent is injected into a fire room at the lowest floor of the high-rise building on fire, the fire is suppressed, and then the fire is suppressed layer by layer upwards; when the unmanned helicopter 1 encounters side wind disturbance in the jet operation, the gyroscope stabilizing mechanism works to ensure that the unmanned helicopter 1 keeps a stable hovering operation state; the oil-operated valve is controlled to drive the transmission rod to rotate so as to drive the foam extinguishing agent injection pipe to rotate up and down for injection; the spraying angle of the A-type foam extinguishing agent along the horizontal direction is changed through the working state of the tail rotor of the unmanned helicopter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783105.4A CN111956971A (en) | 2020-08-06 | 2020-08-06 | Fire fighting method and device for high-rise building of unmanned helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783105.4A CN111956971A (en) | 2020-08-06 | 2020-08-06 | Fire fighting method and device for high-rise building of unmanned helicopter |
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| CN113069703A (en) * | 2021-04-21 | 2021-07-06 | 徐工消防安全装备有限公司 | Unmanned aerial vehicle for fire suppression of high-rise building and fire fighting truck |
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