CN212941067U - Fire fighting device for high-rise building of unmanned helicopter - Google Patents
Fire fighting device for high-rise building of unmanned helicopter Download PDFInfo
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- CN212941067U CN212941067U CN202021615629.4U CN202021615629U CN212941067U CN 212941067 U CN212941067 U CN 212941067U CN 202021615629 U CN202021615629 U CN 202021615629U CN 212941067 U CN212941067 U CN 212941067U
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Abstract
The utility model discloses a fire suppression device for high-rise buildings of unmanned helicopters, which 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 utility model belongs to the fire-fighting equipment field, especially a device is suppressed to unmanned helicopter high-rise building conflagration.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an unmanned helicopter high-rise building conflagration suppression device to realize that the high-rise building conflagration suppresses the rescue, promote the quick response ability and the fire extinguishing efficiency that the high-rise building conflagration suppressed the rescue.
Realize the utility model discloses the technical solution of purpose does:
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, an adjusting mechanism used for adjusting the angle of the foam extinguishing agent injection pipe is arranged on the unmanned helicopter, and the foam extinguishing agent injection pipe is arranged on the adjusting mechanism.
Compared with the prior art, the utility model, it is showing the advantage and is:
(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 the foam extinguishing agent injection pipe installed below the unmanned helicopter is 3-4 m, the injection outlet of the foam extinguishing agent injection pipe is placed outside lower washing air flow generated by a rotor wing of the unmanned helicopter, the injected foam extinguishing agent is not influenced by the lower washing air flow of the rotor wing, and the telescopic foam extinguishing agent injection pipe is convenient for the 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.
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 present invention will be further described with reference to the accompanying drawings and specific embodiments.
Combine fig. 1, fig. 2, the utility model discloses an unmanned helicopter high-rise building conflagration device of putting out a fire, by unmanned helicopter 1, ultralight-duty hosepipe 3, foam extinguishing agent injection pipe 2, hosepipe quick-release interface 4, A type foam fire engine 5, wireless remote control unit 8 constitutes, its characteristics lie in that unmanned helicopter 1 below is fixed with foam extinguishing agent injection pipe 2, there is ultralight-duty hosepipe 3 at the entrance connection of foam extinguishing agent injection pipe 2, ultralight-duty hosepipe 3 is connected through hosepipe quick-release interface 4 and compressed air fire engine 5's A type foam extinguishing agent export 7, wireless remote control unit 8 is used for controlling unmanned helicopter 1 lift-off operation.
Foam extinguishing agent injection pipe 2 make by carbon-fibre composite, constitute by scalable trunk line 2-1, diffuser 2-2, export section 2-3, its characteristics lie in scalable trunk line 2-1 and diffuser 2-2 link up, diffuser 2-2's pipe diameter enlarges along the flow direction of foam extinguishing agent, the radial tangent plane of diffuser 2-2 import department is 1 with the area ratio of the radial tangent plane in exit: (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.
The ultra-light water hose 3 of the utility model is woven by high-strength polyester yarns, and the single weight of the water hose 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 7 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.
Compressed air foam fire engine 5 install 2 and export 6 with the A type foam extinguishing agent that the diameter is 40 mm's ultralight hosepipe links up and 1 links up A type foam extinguishing agent export 7 with the diameter is 50 mm's ultralight hosepipe.
Unmanned helicopter 1, install big dipper navigation/gyroscope stabilizing mean 1-2 in its control 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.
Unmanned helicopter 1, the bearing capacity that is with fuel engine as power is at the unmanned helicopter more than 70kg, including single rotor helicopter, disrotatory rotor helicopter and many rotor helicopters. 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 foam fire extinguishing liquid with foaming rate of 10 times is input into an ultra-light water band 3 dragged by an unmanned helicopter 1, the unmanned helicopter 1 drags the ultra-light water band 3 and sprays A type foam fire extinguishing agent while ascending (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 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 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.
A type A foam extinguishing agent outlet 6 which can be connected with a foam extinguishing agent water belt with the diameter of 40mm is arranged on the compressed air foam fire fighting truck 5, and the compressed air type A foam extinguishing agent can be simultaneously conveyed to 2 unmanned helicopters.
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.
A type A foam extinguishing agent outlet 7 which can be connected with a foam extinguishing agent water belt with the diameter of 50mm is arranged on the compressed air foam fire fighting truck 5 and can convey compressed air type A 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, an adjusting mechanism used for adjusting the angle of the foam extinguishing agent injection pipe is arranged on the unmanned helicopter, and the foam extinguishing agent injection pipe is arranged on the adjusting mechanism.
2. The unmanned helicopter high-rise building fire suppression device as claimed in claim 1, wherein the adjustment mechanism comprises an oil-operated valve and a transmission rod, the middle of the transmission rod is rotatably connected with the unmanned helicopter body through a rotating shaft, the oil-operated valve is rotatably 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.
3. The unmanned helicopter high-rise building fire suppression device of claim 1, wherein a Beidou navigation and gyroscope stabilization mechanism is provided within 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.
4. A fire suppression device of an unmanned helicopter high-rise building according to claim 1, wherein the unmanned helicopter is provided with a camera, and the camera is electrically connected with the unmanned helicopter flight control system and is used for collecting obstacle information, a fire extinguishing agent spraying state and a fire extinguishing effect in the operation process.
5. The unmanned helicopter high-rise building fire suppression apparatus of claim 1, wherein the foam fire suppression agent injection tube injection outlet is located outside of a downwash airflow generated by the rotor of the unmanned helicopter.
6. 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.
7. The unmanned helicopter high-rise building fire suppression apparatus of claim 6, 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).
8. The unmanned helicopter high-rise building fire suppression apparatus of claim 6, wherein the ratio of the diameter at the diffuser exit to the length of the diffuser is 1: (4-5).
9. 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 foam fire fighting truck through a quick release coupling.
10. The unmanned helicopter high-rise building fire suppression apparatus of claim 1, wherein the compressed air foam fire engine is provided with a plurality of class a foam fire suppressant outlets of different calibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615629.4U CN212941067U (en) | 2020-08-06 | 2020-08-06 | Fire fighting device for high-rise building of unmanned helicopter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021615629.4U CN212941067U (en) | 2020-08-06 | 2020-08-06 | Fire fighting device for high-rise building of unmanned helicopter |
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| CN212941067U true CN212941067U (en) | 2021-04-13 |
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| CN202021615629.4U Active CN212941067U (en) | 2020-08-06 | 2020-08-06 | Fire fighting device for high-rise building of unmanned helicopter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382128A (en) * | 2022-08-30 | 2022-11-25 | 河南省猎鹰消防科技有限公司 | Large-load unmanned aerial vehicle fire extinguishing device and method for oil tank fire |
-
2020
- 2020-08-06 CN CN202021615629.4U patent/CN212941067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382128A (en) * | 2022-08-30 | 2022-11-25 | 河南省猎鹰消防科技有限公司 | Large-load unmanned aerial vehicle fire extinguishing device and method for oil tank fire |
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Effective date of registration: 20210716 Address after: 402761 No. 8, Shuangxing Avenue, Biquan street, Bishan District, Chongqing Patentee after: Chongqing Zhongyue Aerospace Equipment Intelligent Manufacturing Co.,Ltd. Address before: 402360 building 6, wanguzhen intelligent industrial park, Dazu District, Chongqing Patentee before: Cao Bing Patentee before: Ji Yongxing |