Unmanned aerial vehicle fire extinguishing device and using method thereof

Abstract

The invention relates to the technical field of unmanned aerial vehicle fire extinguishing, and discloses an unmanned aerial vehicle fire extinguishing device and a using method thereof.The unmanned aerial vehicle fire extinguishing device comprises an unmanned aerial vehicle, the bottom of the unmanned aerial vehicle is fixedly connected with a water pump, and the bottom of the water pump is connected with an input pipe in a penetrating mode. The water flowing at a high speed in the circulation groove is forced to enter the inner wall of the arc-shaped through groove through the second arc-shaped plate, finally the atomizers spray out outwards, at the moment, when the output pipe sprays out high-pressure water outwards and the two atomizers spray out atomized water outwards, two counter-acting forces are generated, and the two counter-acting forces are both applied to the pressure reduction box. Therefore, the counter-acting force transmitted to the unmanned aerial vehicle by the pressure reduction tank through the discharge pipe is greatly reduced, and the influence of the counter-acting force of the water gun on the unmanned aerial vehicle is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of UAV fire extinguishing equipment, and specifically relates to a UAV fire extinguishing device and its usage method. Background Art

[0002] With the rapid development of the national economy, high-rise buildings with dense population and complex structures are gradually increasing. Once a fire breaks out, it brings great crisis and trouble to fire fighting work, and also causes huge losses to people's lives and property. The nature of high-rise buildings is different from that of general building fires, with characteristics such as rapid spread of fire, difficult evacuation of the masses, and great difficulty in fire fighting. Compared with the development of high-rise buildings, the ability of fire emergency rescue equipment is seriously unbalanced. Fire fighting equipment cannot reach the height of the fire floor, resulting in significant economic losses. With the use of UAVs, UAV fire extinguishing has also joined the ranks of fire fighting and rescue equipment. Among them, UAV fire extinguishing mostly adopts two fire extinguishing methods. One is to carry a water gun to suppress the fire on high-rise buildings, and the other is to carry and drop fire extinguishing bombs.

[0003] Among them, when the water gun sprays, a relatively large reaction force will be generated at the muzzle position. The flight of the UAV needs to maintain flight balance at all times. When the fire is too large, the water gun needs to output greater pressure, and the reaction force of the water gun will cause the UAV to become unbalanced. In view of the above problems, the following solutions are proposed. Summary of the Invention

[0004] To solve the above technical problems, the present invention provides a UAV fire extinguishing device, including a UAV, a water pump is fixedly connected to the bottom of the UAV, and an input pipe is connected through the bottom of the water pump;

[0005] A balance mechanism for spraying the water in the input pipe outward;

[0006] A shielding mechanism fixedly installed on the inner wall of the balance mechanism for atomizing the remaining water in the balance mechanism and distributing it outside the balance mechanism;

[0007] A shielding mechanism fixedly arranged on the inner wall of the balance mechanism. When the flight height of the UAV is too high, while the hydraulic pressure drops, the shielding mechanism blocks the internal pipeline to ensure the pressure of the externally sprayed water;

[0008] Among them, when in use, first connect the input pipe to the water pump, then the UAV flies to the fire location, and then the water is sprayed out to the disaster area through the balance mechanism, and the remaining water passes through the shielding mechanism to become an atomized state and is sprayed towards the disaster area. When the flight height of the UAV is too high, the shielding mechanism will block the internal path of the balance mechanism to ensure the stability of the water pressure inside the balance mechanism.

[0009] Preferably, the balance mechanism includes:

[0010] The transmission component is connected through a transmission part to penetrate the side wall of the water pump;

[0011] The transmission part includes a discharge pipe connected through to the side wall of the water pump. One end of the discharge pipe away from the water pump is connected through to a decompression box, and a fixed pipe is fixedly connected to the outer wall of the discharge pipe;

[0012] The decompression component is arranged on the inner wall of the flow channel through a decompression part;

[0013] The decompression part includes a flow channel opened on the inner wall of the decompression box, and an arc-shaped through channel is opened on the inner wall of the flow channel;

[0014] Among them, the water pump transmits the water in the input pipe to the inside of the flow channel through the discharge pipe and sprays it outwards from the flow channel. And some water in the flow channel will spray outwards from the back through the arc-shaped through channel. In the state of spraying outwards in the front and back, most of the reaction forces will be greatly offset.

[0015] Preferably, the shielding mechanism includes:

[0016] The diffusion component is fixedly connected to the outer wall of the fixed pipe through a connecting part;

[0017] The connecting part includes two fixing brackets fixedly connected to the outer wall of the fixed pipe;

[0018] The pressure-receiving component is arranged on the inner wall of the decompression box through a pressure-receiving part;

[0019] The pressure-receiving part includes a groove one opened on the inner wall of the flow channel;

[0020] After some water is discharged outwards through the arc-shaped through channel and is affected by the diffusion component, it finally sprays out again towards the disaster area.

[0021] Preferably, the shielding mechanism includes:

[0022] The auxiliary component is arranged on the inner wall of the decompression box through an auxiliary part;

[0023] The auxiliary part includes a groove two opened on the inner wall of the decompression box, and a second rotating pipe is rotatably connected to the inner wall of the groove two;

[0024] The linkage component is arranged on the inner wall of the decompression box through a linkage part;

[0025] The linkage part includes a sliding groove opened on the inner wall of the decompression box, and a toothed rod is slidably connected to the inner wall of the sliding groove;

[0026] Among them, when water passes through the inner wall of the flow channel, the pressure-receiving component rotates under the influence of water pressure. The rotation of the pressure-receiving component drives the auxiliary component to rotate synchronously through the linkage component. When the water pressure in the flow channel drops, the pressure drop causes the auxiliary component to block the arc-shaped through channel again to ensure the pressure balance in the flow channel.

[0027] Preferably, the transmission component includes an output pipe penetrating and connected to the inner wall of the flow groove;

[0028] Wherein, the water on the inner wall of the flow groove is sprayed outwards towards the disaster area through the output pipe, completing the fire extinguishing process for the disaster area;

[0029] The pressure reducing component includes an atomizer fixedly connected to the inner wall of the arc-shaped through groove;

[0030] Wherein, the water sprayed backwards from the arc-shaped through groove is atomized after passing through the atomizer, and is synchronously sprayed towards the disaster area under the influence of the diffusion component.

[0031] Preferably, the diffusion component includes a bottom plate fixedly connected to the inner wall of the fixing frame, and an arc-shaped plate one is fixedly connected to the top of the bottom plate;

[0032] Wherein, the atomized water will be sprayed towards the disaster area along the inner wall of the arc-shaped plate one. When there is an outward spray of flames in the disaster area, the outward spray of flames will cause a sudden rise in temperature in a local area and disrupt the air flow balance in the area, while the atomized water effectively suppresses the impact of the outward spray of flames on the drone.

[0033] Preferably, the pressure receiving component includes a rotating pipe one rotatably connected to the inner wall of the groove one, a torsion spring one is fixedly connected to the inner wall of the rotating pipe one, and a pressure receiving plate is fixedly connected to the outer wall of the rotating pipe one;

[0034] Wherein, when the water pressure in the flow groove is relatively large, the impact force of the water will force the pressure receiving plate and the rotating pipe one to rotate;

[0035] The auxiliary component includes an arc-shaped plate two fixedly connected to the outer wall of the rotating pipe two, a torsion spring two is fixedly connected to the inner wall of the rotating pipe two, and a right-angle groove is provided on the inner wall of the pressure reducing box;

[0036] Wherein, when the pressure receiving plate and the rotating pipe one rotate due to water pressure, the pressure receiving component drives the two arc-shaped plates two to approach each other through the linkage component, so that the water inside the flow groove can flow into the inner wall of the arc-shaped through groove.

[0037] Preferably, the linkage component includes a gear one fixedly connected to the bottom of the rotating pipe one, a gear two is fixedly connected to the bottom of the rotating pipe two, the outer wall of the gear one is meshed with the outer wall of the tooth bar, and the outer wall of the gear two is meshed with the side wall of the tooth bar;

[0038] Wherein, after the rotating pipe one rotates, the gear one drives the gear two and the rotating pipe two to rotate in the same direction through the tooth bar, and when the water pressure drops, the torsion spring two and the torsion spring one will force the arc-shaped plate two to re-block the arc-shaped through groove, restricting the flow into the inside of the arc-shaped through groove.

[0039] A method for using a drone fire extinguishing device includes the following steps:

[0040] S1: Connect the equipment: Before use, first connect the input tube to the water pump, and then fly the drone to the disaster area;

[0041] S2: Start working: The water pump then extracts the water inside the input pipe and transmits it to the inner wall of the flow groove through the discharge pipe, and finally sprays it into the disaster area from the output pipe to complete the extrusion fire extinguishing process.

[0042] The present invention has the following beneficial effects:

[0043] (1) The present invention utilizes the characteristic that the water pressure inside the arc-shaped groove is too high, so that the arc-shaped plate 2 is tilted outward, forcing the high-speed flowing water inside the flow groove to pass through the arc-shaped plate 2 and enter the inner wall of the arc-shaped groove, and finally the atomizer sprays outward, such as Figure 5 As shown, when the output pipe sprays high-pressure water outward, it will be subjected to a Figure 5 The reaction force of the middle G, and when the two atomizers spray atomized water outward, two streams will be generated. Figure 5 The reaction force of middle F, the two opposing reaction forces are applied to the pressure reducing tank, and they cancel each other out. This greatly reduces the reaction force transmitted from the pressure reducing tank to the drone through the discharge pipe, and reduces the impact of the reaction force of the water gun on the drone.

[0044] (2) In the present invention, after the water inside the arc-shaped groove is sprayed outward through the atomizer, it will form an atomized state and finally sprayed on the inner wall of the arc-shaped plate 1, so that the atomized water is sprayed toward the disaster area through the arc-shaped inner wall of the arc-shaped plate 1 and forms a layer of "water mist" on the side of the UAV facing the disaster area. If there is a phenomenon of flame spraying outward in the disaster area due to explosives inside the disaster area, the existence of "water mist" will effectively isolate the flame from the UAV, avoid the temperature rise in the local area caused by the external flame, disrupt the airflow balance in the area and the surrounding area, and reduce the impact of the external flame on the UAV.

[0045] (3) As the UAV flies higher, the water pressure generated by the water pump gradually decreases. When the water pressure inside the circulation slot decreases, the water inside the circulation slot can no longer drive the pressure plate to rotate. At this time, the internal torsion spring 1 will drive the pressure plate and the rotating tube 1 to reverse. The reversed rotating tube 1 drives the gear rod to reset through the gear 1, and the torsion spring 2 will drive the other end of the arc plate 2 to press against the inner wall of the right-angle slot, so that the arc plate 2 moves from Figure 8 The status changes to Figure 7 In the state of middle G, through the application of the above components, when the water pressure drops, the arc plate 2 blocks the arc groove, thereby ensuring the length of the water column sprayed out of the output pipe when the water pressure drops. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0047] Figure 1 Schematic diagram of the overall structure of the present invention;

[0048] Figure 2 Internal sectional view schematic diagram of the overall structure of the present invention;

[0049] Figure 3 Schematic diagram of the bottom of the overall structure of the present invention;

[0050] Figure 4 For the present invention Figure 3 Enlarged schematic diagram of A in the present invention;

[0051] Figure 5 Internal sectional view schematic diagram of the pressure reduction component of the present invention;

[0052] Figure 6 Internal sectional view schematic diagram of the diffusion component of the present invention;

[0053] Figure 7 Internal sectional view schematic diagram of the shielding mechanism of the present invention;

[0054] Figure 8 For the present invention Figure 7 Enlarged schematic diagram of B in the present invention;

[0055] Figure 9 For the present invention Figure 7 Enlarged schematic diagram of C in the present invention;

[0056] Figure 10 Internal sectional view schematic diagram of the linkage component of the present invention;

[0057] Figure 11 Schematic diagram of the working process of the present invention.

[0058] In the drawings, the list of components represented by each reference numeral is as follows:

[0059] In the figure: 1. Balancing mechanism; 11. Transmission component; 12. Pressure reduction component; 13. Drone; 14. Water pump; 15. Input pipe; 111. Discharge pipe; 112. Fixed pipe; 113. Pressure reduction box; 114. Output pipe; 121. Arc-shaped through groove; 122. Atomizer; 123. Flow-through groove; 2. Shielding mechanism; 21. Diffusion component; 22. Compression component; 211. Fixed bracket; 212. Base plate; 213. First arc-shaped plate; 221. First groove; 222. First rotating pipe; 223. First torsion spring; 224. Pressure receiving plate; 3. Shelter mechanism; 31. Auxiliary component; 32. Linkage component; 311. Second groove; 312. Second rotating pipe; 313. Second arc-shaped plate; 314. Second torsion spring; 315. Right-angle groove; 321. Sliding groove; 322. First gear; 323. Second gear; 324. Rack. Specific implementation manner

[0060] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0061] Example 1, please refer to Figure 1 - Figure 5 The present invention is a drone fire extinguishing device, including a drone 13. The bottom of the drone 13 is fixedly connected to a water pump 14, and the bottom of the water pump 14 is connected through the input pipe 15.

[0062] The balancing mechanism 1 is used to spray the water in the input pipe 15 outwards.

[0063] The shielding mechanism 2 is fixedly installed on the inner wall of the balancing mechanism 1 and is used to atomize the remaining water in the balancing mechanism 1 and distribute it outside the balancing mechanism 1.

[0064] The shelter mechanism 3 is fixedly arranged on the inner wall of the balancing mechanism 1. When the flight height of the drone is too high, while the hydraulic pressure drops, the shelter mechanism 3 blocks the internal pipeline to ensure the pressure of the externally sprayed water.

[0065] Among them, when in use, first connect the input pipe 15 to the water pump 14, then the drone 13 flies to the fire location, and then the water is sprayed towards the disaster area through the balancing mechanism 1, and the remaining water becomes atomized through the shielding mechanism 2 and is sprayed towards the disaster area. When the flight height of the drone is too high, the shelter mechanism 3 will block the internal path of the balancing mechanism 1 to ensure the stability of the internal water pressure of the balancing mechanism 1.

[0066] The balancing mechanism 1 includes:

[0067] The transmission component 11 is connected through a transmission member to the side wall of the water pump 14 in a penetrating manner;

[0068] The transmission member includes a discharge pipe 111 connected in a penetrating manner to the side wall of the water pump 14. One end of the discharge pipe 111 away from the water pump 14 is connected in a penetrating manner to a pressure reduction box 113, and a fixed pipe 112 is fixedly connected to the outer wall of the discharge pipe 111;

[0069] The pressure reduction component 12 is arranged on the inner wall of the flow channel 123 through a pressure reduction member;

[0070] The pressure reduction member includes a flow channel 123 opened on the inner wall of the pressure reduction box 113, and an arc-shaped through groove 121 is opened on the inner wall of the flow channel 123;

[0071] Before use, first connect the input pipe 15 to the water pump 14, then the drone 13 flies to the disaster area location, then the water pump 14 pumps the water inside the input pipe 15, and transmits it through the discharge pipe 111 to the inner wall of the flow channel 123, and finally sprays it into the disaster area to complete the basic fire extinguishing process;

[0072] Among them, the water pump 14 transmits the water in the input pipe 15 through the discharge pipe 111 into the flow channel 123 and sprays it outwards from the flow channel 123, and part of the water in the flow channel 123 will spray outwards from the rear through the arc-shaped through groove 121. In the state of spraying outwards in the front and rear, most of the reaction forces will be greatly offset.

[0073] The shielding mechanism 2 includes:

[0074] The diffusion component 21 is fixedly connected to the outer wall of the fixed pipe 112 through a connecting member;

[0075] The connecting member includes two fixing brackets 211 fixedly connected to the outer wall of the fixed pipe 112;

[0076] The pressure-receiving component 22 is arranged on the inner wall of the pressure reduction box 113 through a pressure-receiving member;

[0077] The pressure-receiving member includes a groove 221 opened on the inner wall of the flow channel 123;

[0078] After part of the water is discharged outwards through the arc-shaped through groove 121 and is affected by the diffusion component 21, it finally sprays out again towards the disaster area.

[0079] The shielding mechanism 3 includes:

[0080] The auxiliary component 31 is arranged on the inner wall of the pressure reduction box 113 through an auxiliary member;

[0081] The auxiliary component includes a second groove 311 formed on the inner wall of the decompression box 113, and a second rotating pipe 312 is rotatably connected to the inner wall of the second groove 311;

[0082] A linkage assembly 32, and the linkage assembly 32 is arranged on the inner wall of the decompression box 113 through a linkage member;

[0083] The linkage member includes a sliding groove 321 formed on the inner wall of the decompression box 113, and a rack 324 is slidably connected to the inner wall of the sliding groove 321;

[0084] Wherein, when water passes through the inner wall of the flow channel 123, the pressure-receiving component 22 rotates under the influence of water pressure. The rotation of the pressure-receiving component 22 drives the auxiliary component 31 to rotate synchronously through the linkage assembly 32. When the water pressure in the flow channel 123 drops, the auxiliary component 31 with reduced pressure will block the arc-shaped through groove 121 again to ensure the pressure balance of the flow channel 123.

[0085] Embodiment 2, please refer to Figure 3 - Figure 11 , the present invention is a drone fire extinguishing device. On the basis of Embodiment 1, the transmission component 11 includes an output pipe 114 connected through the inner wall of the flow channel 123;

[0086] Wherein, the water on the inner wall of the flow channel 123 is sprayed outwards towards the disaster area through the output pipe 114 to complete the fire extinguishing process for the disaster area;

[0087] The decompression component 12 includes an atomizer 122 fixedly connected to the inner wall of the arc-shaped through groove 121;

[0088] Wherein, the water sprayed out backwards through the arc-shaped through groove 121 is atomized after passing through the atomizer 122 and is sprayed out towards the disaster area synchronously under the influence of the diffusion component 21;

[0089] Due to the excessive water pressure inside the arc-shaped through groove 121, the second arc-shaped plate 313 warps outwards, forcing the water flowing at high speed inside the flow channel 123 to enter the inner wall of the arc-shaped through groove 121 through the second arc-shaped plate 313, and finally the atomizer 122 sprays outwards, as Figure 5 shown. At this time, when the output pipe 114 sprays out high-pressure water, it will bear a Figure 5 reaction force of G in Figure 5 , and when the two atomizers 122 spray out atomized water, two

[0090] The diffusion component 21 includes a bottom plate 212 fixedly connected to the inner wall of the fixed frame 211, and an arc-shaped plate one 213 is fixedly connected to the top of the bottom plate 212;

[0091] After the water inside the arc-shaped through groove 121 is sprayed outwards through the atomizer 122, it will form an atomized state and finally be sprayed on the inner wall of the arc-shaped plate one 213, so that the atomized water is sprayed out towards the disaster area through the arc-shaped inner wall of the arc-shaped plate one 213, and a layer of "water mist" is formed on the side of the drone facing the disaster area. If there is an explosion in the disaster area, resulting in the phenomenon of external flame spraying in the disaster area, the existence of the "water mist" will effectively isolate the flame from the drone, avoid the sudden rise in temperature in a local area caused by the externally sprayed flame, disrupt the air flow balance in this area and its surrounding areas, and reduce the impact of the externally sprayed flame on the drone.

[0092] The pressure-receiving component 22 includes a rotating tube one 222 rotatably connected to the inner wall of the groove one 221. A torsion spring one 223 is fixedly connected to the inner wall of the rotating tube one 222, and a pressure-receiving plate 224 is fixedly connected to the outer wall of the rotating tube one 222;

[0093] Among them, when the water pressure in the flow channel 123 is relatively high, the impact force of the water will force the pressure-receiving plate 224 and the rotating tube one 222 to rotate.

[0094] The auxiliary component 31 includes an arc-shaped plate two 313 fixedly connected to the outer wall of the rotating tube two 312. A torsion spring two 314 is fixedly connected to the inner wall of the rotating tube two 312, and a right-angled groove 315 is opened on the inner wall of the pressure-reducing box 113;

[0095] As the flight altitude of the drone increases, the water pressure that the water pump 14 can generate at this time also gradually decreases. When the pressure of the water passing through the flow channel 123 decreases, the water inside the flow channel 123 can no longer drive the pressure-receiving plate 224 to rotate. At this time, the internal torsion spring one 223 will drive the pressure-receiving plate 224 and the rotating tube one 222 to reverse. The reversed rotating tube one 222 drives the toothed rod 324 to reset through the gear one 322, and the torsion spring two 314 will drive the other end of the arc-shaped plate two 313 to closely adhere to the inner wall of the right-angled groove 315, so that the arc-shaped plate two 313 changes from the Figure 8 state to the Figure 7 state of G in. Through the application of the above components, when the water pressure drops, the arc-shaped plate two 313 blocks the arc-shaped through groove 121, ensuring the length of the water column sprayed out of the output pipe 114 when the water pressure drops;

[0096] Among them, when the pressure-receiving plate 224 and the rotating tube one 222 rotate due to water pressure, the pressure-receiving component 22 drives the two arc-shaped plates two 313 to approach each other through the linkage component 32, so that the water inside the flow channel 123 can flow into the inner wall of the arc-shaped through groove 121.

[0097] The linkage component 32 includes a first gear 322 fixedly connected to the bottom of the first rotating pipe 222. A second gear 323 is fixedly connected to the bottom of the second rotating pipe 312. The outer wall of the first gear 322 is meshed with the outer wall of the toothed rod 324, and the outer wall of the second gear 323 is meshed with the side wall of the toothed rod 324;

[0098] Taking advantage of the characteristic that the water pump 14 forces water to quickly pass through the flow channel 123, a linkage component 32 is provided inside the device. As Figure 10 shown, when the water pressure inside the flow channel 123 is relatively high, the water will impact the pressure receiving plate 224, causing the pressure receiving plate 224 and the first rotating pipe 222 to rotate. At this time, the first rotating pipe 222 drives the toothed rod 324 to slide downward along the inner wall of the sliding groove 321 through the first gear 322. At this time, the toothed rod 324 will drive the second gear 323 and the second rotating pipe 312 to rotate clockwise around the second torsion spring 314, causing the second arc-shaped plate 313 to change from the Figure 7 state F in Figure 8 to the

[0099] state, enabling the water inside the flow channel 123 to enter the inner wall of the arc-shaped through groove 121;

[0100] A method for using an unmanned aerial vehicle fire extinguishing device includes the following steps:

[0101] S1: Connect the device: Before use, first connect the input pipe 15 to the water pump 14, and then the unmanned aerial vehicle 13 flies to the disaster area;

[0102] S2: Start working: Subsequently, the water pump 14 pumps the water inside the input pipe 15, transmits it to the inner wall of the flow channel 123 through the discharge pipe 111, and finally sprays it into the disaster area from the output pipe 114 to complete the basic fire extinguishing process.

[0103] A specific application of this embodiment is: Before use, first connect the input pipe 15 to the water pump 14, then the unmanned aerial vehicle 13 flies to the disaster area. Subsequently, the water pump 14 pumps the water inside the input pipe 15, transmits it to the inner wall of the flow channel 123 through the discharge pipe 111, and finally sprays it into the disaster area from the output pipe 114 to complete the basic fire extinguishing process;

[0104] And in this process, due to the excessive water pressure passing through the inner part of the arc-shaped through groove 121, the second arc-shaped plate 313 warps outward, forcing the water flowing at high speed inside the flow channel 123 to enter the inner wall of the arc-shaped through groove 121 through the second arc-shaped plate 313, and finally the atomizer 122 sprays outwards. AsFigure 5 As shown, when the output pipe 114 sprays high-pressure water outwards at this time, it will bear a Figure 5 reaction force of G in it, and when the two atomizers 122 spray atomized water outwards, two Figure 5 reaction forces of F in it will be generated. The two opposing reaction forces are both applied to the pressure reduction box 113 and appear in a state of mutual cancellation. This greatly reduces the reaction force transmitted from the pressure reduction box 113 to the drone 13 through the discharge pipe 111, and the impact of the water gun reaction force on the drone;

[0105] In addition, after the water inside the arc-shaped through groove 121 is sprayed outwards through the atomizer 122, it will form an atomized state and finally be sprayed on the inner wall of the first arc-shaped plate 213, so that the atomized water is sprayed out towards the disaster area through the arc-shaped inner wall of the first arc-shaped plate 213, and a layer of "water mist" is formed on the side of the drone facing the disaster area. If there is an explosion in the disaster area, resulting in an outward spray of flames in the disaster area, the existence of the "water mist" will effectively isolate the flames from the drone, prevent the locally increased temperature caused by the outward spray of flames from disturbing the air flow balance in this area and its surrounding areas, and reduce the impact of the outward spray of flames on the drone.

[0106] Taking advantage of the characteristic that the water pump 14 forces water to quickly pass through the flow groove 123, a linkage component 32 is arranged inside the device. As Figure 10 shown, when the water pressure inside the flow groove 123 is relatively high, the water will impact the pressure receiving plate 224, causing the pressure receiving plate 224 and the first rotating pipe 222 to rotate. At this time, the first rotating pipe 222 drives the toothed rod 324 to slide down along the inner wall of the sliding groove 321 through the first gear 322. At this time, the toothed rod 324 will drive the second gear 323 and the second rotating pipe 312 to rotate clockwise around the second torsion spring 314, so that the second arc-shaped plate 313 changes from the Figure 7 state of F in it to the Figure 8 state, enabling the water inside the flow groove 123 to enter the inner wall of the arc-shaped through groove 121;

[0107] As the flight altitude of the drone increases, the water pressure that the water pump 14 can generate gradually decreases at this time. When the pressure of the water passing through the flow groove 123 decreases, the water inside the flow groove 123 can no longer drive the pressure receiving plate 224 to rotate. At this time, the internal first torsion spring 223 will drive the pressure receiving plate 224 and the first rotating pipe 222 to reverse. The reversed first rotating pipe 222 drives the toothed rod 324 to reset through the first gear 322, and the second torsion spring 314 will drive the other end of the second arc-shaped plate 313 to closely adhere to the inner wall of the right-angle groove 315, so that the second arc-shaped plate 313 changes from the Figure 8 state of to the Figure 7 state of G in it. Through the application of the above components, when the water pressure decreases, the second arc-shaped plate 313 blocks the arc-shaped through groove 121, ensuring the length of the water column sprayed out by the output pipe 114 when the water pressure decreases.

[0108] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An unmanned aerial vehicle fire extinguishing device, comprising an unmanned aerial vehicle (13), a water pump (14) is fixedly connected to the bottom of the unmanned aerial vehicle (13), and an input pipe (15) is connected through the bottom of the water pump (14), characterized in that, It also includes: A balancing mechanism (1) for spraying the water in the input pipe (15) outward; A shielding mechanism (2) fixedly installed on the inner wall of the balancing mechanism (1) for atomizing the remaining water in the balancing mechanism (1) and distributing it outside the balancing mechanism (1); A sheltering mechanism (3) fixedly arranged on the inner wall of the balancing mechanism (1). When the flight altitude of the drone is too high and the hydraulic pressure drops, the sheltering mechanism (3) blocks the internal pipeline to ensure the pressure of the externally sprayed water; Among them, during use, first connect the input pipe (15) to the water pump (14), then the drone (13) flies to the fire location, and then the water is sprayed towards the disaster area through the balancing mechanism (1).

2. The drone fire extinguishing device according to claim 1, characterized in that: The balancing mechanism (1) includes: A transmission component (11) that is connected to the side wall of the water pump (14) through a transmission member; The transmission member includes a discharge pipe (111) connected to the side wall of the water pump (14) in a penetrating manner. One end of the discharge pipe (111) away from the water pump (14) is connected to a pressure reduction box (113) in a penetrating manner, and a fixed pipe (112) is fixedly connected to the outer wall of the discharge pipe (111); A pressure reduction component (12) that is arranged on the inner wall of the flow channel (123) through a pressure reduction member; The pressure reduction member includes a flow channel (123) opened on the inner wall of the pressure reduction box (113), and an arc-shaped through channel (121) is opened on the inner wall of the flow channel (123); Among them, the water pump (14) transmits the water in the input pipe (15) through the discharge pipe (111) to the inside of the flow channel (123) and sprays it outward from the flow channel (123). And part of the water in the flow channel (123) will spray outward from the back through the arc-shaped through channel (121). In the state of spraying outward from the front and back, most of the reaction forces will be greatly offset.

3. The drone fire extinguishing device according to claim 2, characterized in that: The shielding mechanism (2) includes: A diffusion component (21) fixedly connected to the outer wall of the fixed pipe (112) through a connecting member; The connecting member includes two fixing brackets (211) fixedly connected to the outer wall of the fixed pipe (112); A pressure-receiving component (22) that is arranged on the inner wall of the pressure reduction box (113) through a pressure-receiving member; The pressure-receiving member includes a groove one (221) opened on the inner wall of the flow channel (123); Among them, after part of the water is discharged outward through the arc-shaped through channel (121) and affected by the diffusion component (21), it will finally spray towards the disaster area again.

4. The unmanned aerial vehicle fire extinguishing device according to claim 3, wherein: The sheltering mechanism (3) includes: An auxiliary component (31) that is arranged on the inner wall of the pressure reduction box (113) through an auxiliary member; The auxiliary member includes a groove two (311) opened on the inner wall of the pressure reduction box (113), and a rotating pipe two (312) is rotatably connected to the inner wall of the groove two (311); A linkage component (32) that is arranged on the inner wall of the pressure reduction box (113) through a linkage member; The linkage member includes a sliding groove (321) opened on the inner wall of the pressure reduction box (113), and a rack (324) is slidably connected to the inner wall of the sliding groove (321); Among them, when water passes through the inner wall of the flow-through groove (123), the pressure-receiving component (22) rotates under the influence of water pressure. The rotation of the pressure-receiving component (22) drives the auxiliary component (31) to rotate synchronously through the linkage component (32). When the water pressure in the flow-through groove (123) drops, the pressure-drop auxiliary component (31) will block the arc-shaped through groove (121) again to ensure the pressure balance of the flow-through groove (123).

5. The drone fire extinguishing device according to claim 4, characterized in that: The transmission component (11) includes an output pipe (114) connected through and to the inner wall of the flow-through groove (123); Among them, the water on the inner wall of the flow-through groove (123) is sprayed outwards to the disaster area through the output pipe (114) to complete the fire extinguishing process in the disaster area; The pressure reduction component (12) includes an atomizer (122) fixedly connected to the inner wall of the arc-shaped through groove (121); Among them, the water sprayed out backwards from the arc-shaped through groove (121) is atomized after passing through the atomizer (122), and is sprayed out to the disaster area synchronously under the influence of the diffusion component (21).

6. The drone fire extinguishing device according to claim 5, characterized in that: The diffusion component (21) includes a bottom plate (212) fixedly connected to the inner wall of the fixed frame (211), and an arc-shaped plate one (213) is fixedly connected to the top of the bottom plate (212); Among them, the atomized water will be sprayed out towards the disaster area along the inner wall of the arc-shaped plate one (213). When there is an outward spray of flames in the disaster area, the outward spray of flames will cause a sudden rise in temperature in a local area and disrupt the air flow balance in the area, while the atomized water effectively suppresses the impact of the outward spray of flames on the drone.

7. The drone fire extinguishing device according to claim 6, characterized in that: The pressure-receiving component (22) includes a rotating pipe one (222) rotatably connected to the inner wall of the groove one (221), a torsion spring one (223) is fixedly connected to the inner wall of the rotating pipe one (222), and a pressure-receiving plate (224) is fixedly connected to the outer wall of the rotating pipe one (222); Among them, when the water pressure in the flow-through groove (123) is relatively large, the impact force of the water will force the pressure-receiving plate (224) and the rotating pipe one (222) to rotate.

8. The drone fire extinguishing device according to claim 7, characterized in that: The auxiliary component (31) includes an arc-shaped plate two (313) fixedly connected to the outer wall of the rotating pipe two (312), a torsion spring two (314) is fixedly connected to the inner wall of the rotating pipe two (312), and a right-angle groove (315) is opened on the inner wall of the pressure reduction box (113); Among them, when the pressure-receiving plate (224) and the rotating pipe one (222) rotate due to water pressure, the pressure-receiving component (22) drives the two arc-shaped plates two (313) to approach each other through the linkage component (32), so that the water inside the flow-through groove (123) can flow into the inner wall of the arc-shaped through groove (121).

9. The drone fire extinguishing device according to claim 8, wherein: The linkage component (32) includes a gear one (322) fixedly connected to the bottom of the rotating pipe one (222), a gear two (323) is fixedly connected to the bottom of the rotating pipe two (312), the outer wall of the gear one (322) is meshed with the outer wall of the rack (324), and the outer wall of the gear two (323) is meshed with the side wall of the rack (324); Among them, after the first rotating pipe (222) rotates, the first gear (322) drives the second gear (323) and the second rotating pipe (312) to rotate in the same direction through the toothed rod (324), and when the water pressure drops, the second torsion spring (314) and the first torsion spring (223) will force the second arc-shaped plate (313) to block the arc-shaped through groove (121) again, restricting the flow into the interior of the arc-shaped through groove (121).

10. A method for using a UAV fire extinguishing device, which uses a UAV fire extinguishing device as described in claim 9, and is characterized in that: including the following steps S1: Connect the equipment: Before use, first connect the input pipe (15) to the water pump (14), and then the drone (13) flies to the disaster area location; S2: Start working: Subsequently, the water pump (14) pumps the water inside the input pipe (15), and transmits it through the discharge pipe (111) to the inner wall of the flow-through groove (123), and finally sprays it into the disaster area from the output pipe (114) to complete the basic fire extinguishing process.

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