A UAV direct-spray water-based fire extinguishing device

Abstract

The invention provides a UAV direct-spray water-based fire extinguishing device, comprising a UAV, a frame is arranged below the UAV, a first gas cylinder, a second gas cylinder, a third gas cylinder and a glass breaker are arranged on the frame, and the glass breaker is arranged below an upper frame crossbeam of the frame; the first gas cylinder and the second gas cylinder are both arranged on a lower frame crossbeam of the frame, and the third gas cylinder is arranged in the middle above the first gas cylinder and the second gas cylinder; the rear ends of the first gas cylinder and the second gas cylinder are both arranged with an electronic trigger, the front end and the rear end of the third gas cylinder are both arranged with an electronic trigger, and the front ends of the first gas cylinder and the second gas cylinder are both arranged with a barometer; the rear ends of the first gas cylinder, the second gas cylinder and the third gas cylinder are connected through a three-way pipe; the front end of the third gas cylinder is also arranged with a nozzle; the device has fast emergency speed, long spraying distance, long spraying time, long service life, small size, large amount of medicine, light weight, clean and environmentally friendly, and simple structure.

Description

Technical Field

[0001] The present invention belongs to the technical field of unmanned aerial vehicle direct-spray fire extinguishing, and in particular relates to an unmanned aerial vehicle direct-spray water-based fire extinguishing device. Background Art

[0002] With the continuous innovation of science and technology development of my country's drone industry, it has also driven the development of other industries, solving the convenience brought by rapid aerial transportation, geological surveys, power maintenance, agricultural drug spraying, fire fighting, etc., using the metaphor of a spark can start a prairie fire as the advantage of drone fire fighting, which is fast emergency response speed, can quickly extinguish the fire source, and control the spread of fire. With the rapid development of high-rise buildings in my country from cities to counties, some of the densely populated residential and office buildings have narrow fire-fighting passages, and the height of fire ladder trucks is limited. Firefighters are needed to go deep into the fire scene to extinguish the fire. The strong airflow spreading in the fire scene and the generation of a large amount of smoke and harmful gases bring inconvenience to firefighters. The number of casualties and disabilities caused by fires is increasing every year, causing great losses to people's lives and property.

[0003] The existing unmanned aerial vehicle fire extinguishing devices sold on the market have shortcomings: the fire extinguishing device adopts the fire extinguishing cannon launch type, which is harmful to the human body; the water hose direct spray type is heavy and has a limited height; the water-based direct spray type adopts an electronic valve trigger, which is suitable for water-based and gas, but not for water-based, and is easy to rust over time. The effective working time of the spray agent is 6-10 seconds, the spray distance is 4-8 meters, the service life is 1-2 years, and the flight endurance is 15 minutes, which is not conducive to environmental protection. The two structural methods used by the glass breaker: gunpowder directly ignites and launches the warhead and the cannon-type direct launch breaks the glass and the warhead flies into the room, which is easy to cause casualties. Therefore, it is urgent to develop a drone direct spray water-based fire extinguishing device. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings, the present invention provides a UAV direct-spray water-based fire extinguishing device, comprising a UAV, a frame is arranged below the UAV, and a first gas cylinder, a second gas cylinder, a third gas cylinder, and a glass breaker are arranged on the frame, and the glass breaker is arranged below the upper frame crossbeam of the frame; the first gas cylinder and the second gas cylinder are both arranged on the lower frame crossbeam of the frame, and the third gas cylinder is arranged in the middle above the first gas cylinder and the second gas cylinder; the first gas cylinder, the second gas cylinder, and the third gas cylinder are distributed in a triangular shape; the rear ends of the first gas cylinder and the second gas cylinder are both provided with an electronic trigger, the front end and the rear end of the third gas cylinder are both provided with an electronic trigger, and the front ends of the first gas cylinder and the second gas cylinder are both provided with a pressure gauge; the rear ends of the first gas cylinder, the second gas cylinder, and the third gas cylinder are connected through a three-way pipe; the front end of the third gas cylinder is also provided with a nozzle; a suction pipe is arranged in the third gas cylinder, and the suction pipe is connected with the gas cylinder outlet at the front end of the third gas cylinder and the left end of the first connecting piece.

[0005] Furthermore, the frame is also provided with a generator, a water tank, a battery, an oil tank, and a detector; two generators are provided, and the two generators are symmetrically arranged on the cross beam of the upper frame, an oil tank is also provided between the two generators, a water tank is provided above the oil tank, and a battery is provided above the water tank.

[0006] Furthermore, the electronic trigger includes an electronic trigger housing, tapered sealing caps arranged at both ends of the electronic trigger housing, capsule-type ignition powder arranged between the two tapered sealing caps, and an igniter assembly arranged in the middle of the capsule-type ignition powder; the tapered sealing cap is fixed by a sealing cap bolt.

[0007] Furthermore, the igniter assembly includes a fire tool housing, a spacer sleeve arranged in the fire tool housing, a gasket arranged below the spacer sleeve, and a rubber sealing sleeve arranged above the spacer sleeve. An anti-static electromagnetic ring is arranged in the spacer sleeve, and the anti-static electromagnetic ring is connected to a plug via a wire. The igniter assembly is fixed by the rubber sealing sleeve.

[0008] Furthermore, the UAV direct-spray water-based fire-extinguishing device also includes a vertical propeller, and the vertical propeller is connected to the rear end of the frame.

[0009] Furthermore, the outer walls of the front and rear end gas cylinder mouths of the first and second gas cylinders are provided with connecting external threads, the inner walls of the front and rear end gas cylinder mouths of the first and second gas cylinders are provided with connecting internal threads, and the front and rear end gas cylinder mouths of the first and second gas cylinders are provided with tapered sealing ports; the outer wall of the rear end gas cylinder mouth of the third gas cylinder is provided with connecting external threads, the inner wall of the rear end gas cylinder mouth of the third gas cylinder is provided with connecting internal threads, and the rear end gas cylinder mouth of the third gas cylinder is also provided with a tapered sealing port; the outer wall of the front end gas cylinder mouth of the third gas cylinder is provided with connecting external threads, and the inner wall of the front end gas cylinder mouth of the third gas cylinder is also provided with connecting internal threads.

[0010] Furthermore, one end of the nozzle is a nozzle, and the other end of the nozzle is threadedly connected to the second connecting piece.

[0011] Furthermore, the glass breaker includes a glass breaker gas bottle, an electronic trigger arranged at the mouth of the glass breaker gas bottle, and the electronic trigger is connected to the exhaust pipe through a second connecting piece; a spring is arranged in the exhaust pipe, one end of the spring is connected to the bayonet, and the other end of the spring is connected to the spring lock in the glass breaking head, the spring lock is arranged in the inner hole of the glass breaking head, the spring lock includes a fixing block, and the front end of the fixing block is fixed in the inner hole of the glass breaking head by a top screw; the front end of the exhaust pipe presses and seals the glass breaking head.

[0012] Furthermore, a bottle tail bracket is provided at the bottle tail of the glass breaker gas storage bottle, and the bottle tail bracket is provided with a bracket connecting hole.

[0013] Furthermore, the gas cylinder ports at the front ends of the first gas cylinder and the second gas cylinder are connected to the pressure gauge through the head shell, and a tapered sealing cap with a hole is provided in the air passage in the head shell.

[0014] The advantages of the present invention are as follows: the present invention provides such a UAV direct-spray water-based fire extinguishing device, the effective working time of the spraying agent is increased to 20-30 seconds, the spraying distance is 12-20 meters, the service life is 10-15 years, and the hybrid flight is adopted for 30-60 minutes. The emergency speed is fast, the spraying distance is far, the spraying time is long, the service life is long, the volume is small, the amount of medicine is large, the weight is light, the device is clean and environmentally friendly, the structure is simple, the cost is low, the fire source is controlled at the fastest speed, and the loss of life and property is minimized. After the glass breaker warhead is fired, the glass is broken and can be automatically recovered to avoid casualties of indoor personnel; the device adopts a metal cone sealing cap for sealing, so that the sealing rate of the inert driving gas in the gas storage cylinder is 20 years without leakage and the device can be opened in time after receiving the control circuit instruction at any time. Nitrogen or argon is stored in the gas storage cylinder, so that the temperature of the inert driving gas after rushing out is 0 degrees Celsius.

[0015] The present invention is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the side view structure of the UAV direct-spray water-based fire extinguishing device.

[0017] Figure 2 It is a schematic diagram of the rear view structure of the UAV direct-spray water-based fire extinguishing device.

[0018] Figure 3 It is a schematic diagram of the side cross-sectional structure connection of the UAV direct-injection water-based fire extinguishing device.

[0019] Figure 4 It is a schematic diagram of the side view cross-sectional structure connection of the UAV direct-injection water-based fire extinguishing device in working state.

[0020] Figure 5 It is a schematic diagram of the side structure of the glass breaker of the drone direct-injection water-based fire extinguishing device.

[0021] Figure 6 It is a schematic diagram of the side view cross-sectional structure connection of the glass breaker of the UAV direct-injection water-based fire extinguishing device in working state.

[0022] Figure 7 It is a schematic diagram of the structure of the igniter assembly.

[0023] In the figure: 1. electronic trigger; 2. plane propeller; 3. generator; 4. glass breaker; 5. water tank; 6. battery; 7. drone shell; 8. fuel tank; 9. third gas cylinder; 10. detector; 11. nozzle; 12. barometer; 13. support; 14. first gas cylinder; 15. frame; 16. buffer sleeve; 17. Y-shaped bracket; 18. vertical propeller; 19. three-way pipe; 20. plug; 21. nozzle; 22. igniter assembly; 23 bolts and nuts; 24. second gas cylinder; 25. lower frame crossbeam; 26. electronic trigger shell; 27. gas cylinder mouth; 28. taper cap with hole; 29. ​​inert driving gas; 30. ignition head; 31. capsule ignition powder; 32. airway; 33. taper cap; 34. pipeline connecting nut; 35 , igniter housing; 36, sealing ring; 37, sealing cap bolt; 38, water-based medium; 39, suction duct; 40, suction tube; 41, first connecting piece; 42, anti-static electromagnetic ring; 43, sealing gasket; 44, knurling pattern; 45, nozzle channel; 46, nozzle; 47, second connecting piece; 48, tear; 49, ignition powder storage chamber; 50, rubber sealing cap; 51, spacer; 52, head housing; 53, head housing air duct; 54, fire outlet; 55, upper frame crossbeam; 56, glass breaker gas bottle; 57, spring lock; 58, glass breaker head; 59, glass breaker head inner hole; 60, spring; 61, exhaust pipe; 62, bayonet; 63, glass breaker gas bottle tail; 64, bottle tail bracket; 65, top screw; 66, fixing block; 67, wire; 68, bracket connecting hole. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "aligned", "overlap", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0028] Example 1

[0029] This embodiment provides a Figure 1 to Figure 7The unmanned aerial vehicle direct-spray water-based fire extinguishing device shown in the figure includes an unmanned aerial vehicle, a flat propeller 2 is arranged on the shell 7 of the unmanned aerial vehicle, a frame 15 is arranged below the unmanned aerial vehicle, a first gas cylinder 14, a second gas cylinder 24, a third gas cylinder 9, and a glass breaker 4 are arranged on the frame, an inert driving gas 29 is arranged in the first gas cylinder 14 and the second gas cylinder 24, and a water-based medium 38 is arranged in the third gas cylinder 9. Specifically, the first gas cylinder 14 and the second gas cylinder 24 are arranged on the lower frame crossbeam 25 of the frame 15 through a support 13, and the support 13 is provided with a bracket connecting hole 68, which is convenient for the lower frame crossbeam 25 to pass through, and the support 13 is also provided with a threaded hole for screwing. The bolt nut 23 passes through to fix the first gas cylinder 14 and the second gas cylinder 24; the front ends of the first gas cylinder 14, the second gas cylinder 24 and the third gas cylinder 9 are fixed by a Y-shaped bracket 17. Specifically, the three supporting ends of the Y-shaped bracket 17 are respectively threadedly connected with the electronic trigger housing 26 or the head housing 52 at the gas cylinder mouth 27 of a gas cylinder through the bolt nut 23; the glass breaker 4 is arranged below the upper frame crossbeam 55 of the frame 15; the first gas cylinder 14 and the second gas cylinder 24 are both arranged on the lower frame crossbeam 25 of the frame 15, the third gas cylinder 9 is arranged in the middle above the first gas cylinder 14 and the second gas cylinder 24, and ... A rubber gasket is arranged between the third gas cylinder 9 and the first gas cylinder 14 and the second gas cylinder 24, so that there is a gap of about 1 mm between the third gas cylinder 9 and the first gas cylinder 14 and the second gas cylinder 24, which can avoid mutual friction between them; the first gas cylinder 14, the second gas cylinder 24, and the third gas cylinder 9 are distributed in a triangle; the rear ends of the first gas cylinder 14 and the second gas cylinder 24 are both provided with an electronic trigger 1, the front end and the rear end of the third gas cylinder 9 are both provided with an electronic trigger 1, and the front ends of the first gas cylinder 14 and the second gas cylinder 24 are both provided with a barometer 12; the rear ends of the first gas cylinder 14, the second gas cylinder 24, and the third gas cylinder 9 are both provided with a pressure gauge 12. They are connected through a three-way pipe 19. Specifically, the rear ends of the first gas cylinder 14, the second gas cylinder 24 and the third gas cylinder 9 are fixed to the three-way pipe 19 through a pipe connecting nut 34; a nozzle 21 is also provided at the front end of the third gas cylinder 9; a suction pipe 40 is provided in the third gas cylinder 9, and the nozzle 40 is connected to the gas cylinder outlet 27 at the front end of the third gas cylinder 9 and the left end of the first connecting piece 41; a nozzle 11 is connected to the front end of the nozzle 21, and a nozzle 46 is provided on the nozzle 11. The main body of the nozzle 21 is a nozzle channel 45, and a knurled pattern 44 is provided on the nozzle channel 45; the suction channel 39 of the suction pipe 40 can spray out the water-based medium 38 and the inert driving gas 29.

[0030] Furthermore, a plurality of buffer sleeves 16 are provided on the frame 15 to reduce the wear of the frame 15 .

[0031] Furthermore, the frame 15 is also provided with a generator 3, a water tank 5, a battery 6, an oil tank 8, and a detector 10; there are two generators 3, and the two generators 3 are symmetrically arranged on the upper frame cross beam 55, and an oil tank 8 is also arranged between the two generators 3, a water tank 5 is arranged above the oil tank 8, and a battery 6 is arranged above the water tank 5. The generator 3 uses the fuel in the oil tank 8 as energy to work and generate electrical energy, and drives the plane propeller 2 and the vertical propeller 18 to work through the electrical energy to achieve the purpose of flight. The water in the water tank 5 is cooling water for the generator 3 to cool down the generator 3; the battery 6 is used as a backup power supply to store energy.

[0032] Furthermore, the electronic trigger 1 includes an electronic trigger housing 26, tapered sealing caps 33 arranged at both ends of the electronic trigger housing 26, an ignition powder storage chamber 49 arranged between the two tapered sealing caps 33, a capsule-type ignition powder 31 is arranged in the ignition powder storage chamber 49, and an igniter assembly 22 is arranged in the middle of the capsule-type ignition powder 31; the tapered sealing cap 33 is fixed by a sealing cap bolt 37.

[0033] Furthermore, the igniter assembly 22 includes a fire tool housing 35, a spacer sleeve 51 arranged in the fire tool housing 35, a gasket 43 arranged below the spacer sleeve 51, a bottom sealing fire outlet 54 arranged on the gasket 43, a rubber sealing sleeve 50 arranged above the spacer sleeve 51, an anti-static electromagnetic ring 42 is arranged in the spacer sleeve 51, the anti-static electromagnetic ring 42 is connected to the plug 20 through a wire 67, and the igniter assembly 22 is fixed by the rubber sealing sleeve 50; when the plug 20 is energized, the gunpowder of the ignition head can be ignited, so that the capsule ignition powder 31 in the gunpowder storage chamber 49 can be ignited, so that the tapered sealing cap 33 in the electronic trigger 1 can be instantly opened to form a tearing hole 48.

[0034] Furthermore, a sealing ring 36 is provided between the igniter assembly 22 and the electronic trigger housing 26, so as to improve the sealing performance.

[0035] Furthermore, the UAV direct-spray water-based fire extinguishing device also includes a vertical propeller 18, which is connected to the rear end of the frame 15. The vertical propeller 18 can effectively reduce the recoil generated during the spraying, so that the UAV has better stability during the extinguishing.

[0036] Furthermore, the outer walls of the front and rear end gas cylinder mouths 27 of the first gas cylinder 14 and the second gas cylinder 24 are provided with connecting external threads, the inner walls of the front and rear end gas cylinder mouths 27 of the first gas cylinder 14 and the second gas cylinder 24 are provided with connecting internal threads, and the front and rear end gas cylinder mouths 27 of the first gas cylinder 14 and the second gas cylinder 24 are provided with tapered sealing ports; the outer wall of the rear end gas cylinder mouth 27 of the third gas cylinder 9 is provided with connecting external threads, the inner wall of the rear end gas cylinder mouth 27 of the third gas cylinder 9 is provided with connecting internal threads, and the rear end gas cylinder mouth 27 of the third gas cylinder 9 is also provided with a tapered sealing port; the outer wall of the front end gas cylinder mouth 27 of the third gas cylinder 9 is provided with connecting external threads, and the inner wall of the front end gas cylinder mouth 27 of the third gas cylinder 9 is also provided with connecting internal threads.

[0037] Furthermore, the glass breaker 4 includes a glass breaker gas cylinder 56, an electronic trigger 1 arranged at the bottle mouth of the glass breaker gas cylinder 56, and the electronic trigger 1 is connected to the exhaust pipe 61 through the second connecting piece 47; a spring 60 is arranged in the exhaust pipe 61, one end of the spring 60 is connected to the bayonet 62, and the other end of the spring 60 is connected to the spring lock 57 in the glass breaking head 58, and the spring lock 57 is arranged in the inner hole 59 of the glass breaking head, and the spring lock 57 includes a fixing block 66, and the front end of the fixing block 66 is fixed in the inner hole 59 of the glass breaking head by a top screw 65; the front end of the exhaust pipe 61 presses and seals the glass breaking head 58, and when the control switch of the electronic trigger 1 is powered on, the glass breaking head 58 will be ejected from the front end of the exhaust pipe 61.

[0038] Furthermore, the glass breaker gas bottle tail 63 of the glass breaker gas bottle 56 is provided with a bottle tail bracket 64 , and the bottle tail bracket 64 is provided with a bracket connecting hole 68 .

[0039] Furthermore, the gas cylinder ports 27 at the front ends of the first gas cylinder 14 and the second gas cylinder 24 are connected to the barometer 12 through the head shell 52 , and a taper cap 28 with a hole is provided in the air passage 32 in the head shell 52 .

[0040] Furthermore, the first connecting member 41 is only arranged between the gas cylinder mouth 27 at the front end of the third gas cylinder 9 and the electronic trigger 1, the gas cylinder mouth 27 at the front end of the third gas cylinder 9 and the first connecting member 41 are threadedly connected, and the first connecting member 41 and the electronic trigger 1 are also threadedly connected; the second connecting member 47 is arranged between the electronic trigger 1 at the front end of the third gas cylinder 9 and the nozzle 21, the second connecting member 47 and the electronic trigger 1 are threadedly connected, and the second connecting member 47 and the nozzle 21 are also threadedly connected; the second connecting member 47 is also arranged between the electronic trigger 1 at the front end of the glass breaker gas cylinder and the exhaust pipe 61, the second connecting member 47 and the electronic trigger 1 are threadedly connected, and the second connecting member 47 and the exhaust pipe 61 are also threadedly connected.

[0041] Working principle: upon receiving a fire emergency command notification, the UAV carried by the fire truck quickly arrives at the scene, the detector 10 carried by the UAV and the ground control system simultaneously detect the fire, lock the target and turn on the glass breaker 4 to control the power switch, the electronic trigger 1 ignites the igniter assembly 22, so that the inert driving gas 29 in the glass breaker gas cylinder 56 launches the glass breaking head 58, and after breaking the glass window, the glass breaking head 58 is automatically retracted under the action of the spring 60, which can prevent the glass breaking head 58 from hurting the rescued people. At the same time, each igniter assembly 22 is opened to connect the first gas cylinder 14, the second gas cylinder 24, and the first gas cylinder 9, so that the inert driving gas 29 in the first gas cylinder 14 and the second gas cylinder 24 instantly enters the first gas cylinder 9, so that the water-based medium 38 of the first gas cylinder 9 is ejected from the nozzle 21. Specifically, when the control power switch is turned on, the igniter assembly 22 ignites the capsule gunpowder 31, and the left and right end pressure caps 33 in the electronic trigger 1 instantly open the tearing hole 48, so that the driving inert driving gas 29 in the first gas cylinder 14 and the second gas cylinder 24 instantly rushes into the water-based medium 38 of the third gas cylinder 9, respectively, and is ejected through the nozzle 21, so that the effective working time is 20-30 seconds, the ejection distance is 12-20 meters, the air pressure is large and the ejection distance is long, and the service life is 10-15 years, so as to minimize the loss of life and property. The glass breaking head 58 installed will break the glass after firing and can be automatically recovered to avoid casualties of indoor personnel.

[0042] In summary, this type of UAV direct-spray water-based fire extinguishing device has an effective working time of 20-30 seconds, a spray distance of 12-20 meters, a service life of 10-15 years, and a hybrid fuel-electric flight for 30-60 minutes. It has a fast emergency speed, a long spray distance, a long spray time, a long service life, a small size, a large amount of medicine, a light weight, is clean and environmentally friendly, has a simple structure, and is low in cost. It can control the source of fire at the fastest speed to minimize the loss of life and property. The glass breaker warhead will break the glass after firing and can be automatically retracted to avoid casualties of indoor personnel; it is sealed with a metal cone cap, so that the inert driving gas in the gas cylinder has a sealing rate of 20 years without leakage and can be opened in time after receiving the control circuit command. Nitrogen or argon is stored in the gas cylinder, so that the temperature of the inert driving gas after rushing out is 0 degrees Celsius.

[0043] In summary, it is completely feasible to complete the regional quasi-geoid splicing based on the algorithm proposed in this paper.

[0044] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A UAV direct-spray water-based fire extinguishing device, comprising a UAV, characterized in that: A frame (15) is arranged below the drone, and a first gas cylinder (14), a second gas cylinder (24), a third gas cylinder (9), and a glass breaker (4) are arranged on the frame, and the glass breaker (4) is arranged below an upper frame crossbeam (55) of the frame (15); the first gas cylinder (14) and the second gas cylinder (24) are both arranged on a lower frame crossbeam (25) of the frame (15), and the third gas cylinder (9) is arranged in the middle above the first gas cylinder (14) and the second gas cylinder (24); the first gas cylinder (14), the second gas cylinder (24), and the third gas cylinder (9) are distributed in a triangular shape; the first gas cylinder (14), the second gas cylinder (24), and the third gas cylinder (9) are arranged in a triangular shape; The rear ends of the second gas cylinder (24) are both provided with an electronic trigger (1); the front end and rear end of the third gas cylinder (9) are both provided with an electronic trigger (1); the front ends of the first gas cylinder (14) and the second gas cylinder (24) are both provided with a pressure gauge (12); the rear ends of the first gas cylinder (14), the second gas cylinder (24) and the third gas cylinder (9) are connected via a three-way pipe (19); the front end of the third gas cylinder (9) is also provided with a nozzle (21); a suction pipe (40) is provided inside the third gas cylinder (9); the suction pipe (40) is connected to the gas cylinder outlet (27) at the front end of the third gas cylinder (9) and the left end of the first connecting piece (41); The electronic trigger (1) comprises an electronic trigger housing (26), tapered sealing caps (33) arranged at both ends of the electronic trigger housing (26), a capsule-type ignition powder (31) arranged between the two tapered sealing caps (33), and an igniter assembly (22) arranged in the middle of the capsule-type ignition powder (31); the tapered sealing cap (33) is fixed by a sealing cap bolt (37); The igniter assembly (22) comprises a fire tool housing (35), a spacer (51) arranged in the fire tool housing (35), a gasket (43) arranged below the spacer (51), and a rubber sealing sleeve (50) arranged above the spacer (51); an anti-static electromagnetic ring (42) is arranged in the spacer (51); the anti-static electromagnetic ring (42) is connected to a plug (20) via a wire (67); and the igniter assembly (22) is fixed via the rubber sealing sleeve (50); the outer walls of the gas cylinder mouths (27) at the front and rear ends of the first gas cylinder (14) and the second gas cylinder (24) are both provided with connecting external threads; the first gas cylinder (14) and the second gas cylinder (24) are provided with connecting external threads; The inner walls of the front and rear end gas cylinder mouths (27) are both provided with connecting internal threads, and the front and rear end gas cylinder mouths (27) of the first gas cylinder (14) and the second gas cylinder (24) are both provided with tapered sealing ports; the outer wall of the rear end gas cylinder mouth (27) of the third gas cylinder (9) is provided with connecting external threads, the inner wall of the rear end gas cylinder mouth (27) of the third gas cylinder (9) is provided with connecting internal threads, and the rear end gas cylinder mouth (27) of the third gas cylinder (9) is also provided with a tapered sealing port; the outer wall of the front end gas cylinder mouth (27) of the third gas cylinder (9) is provided with connecting external threads, and the inner wall of the front end gas cylinder mouth (27) of the third gas cylinder (9) is also provided with connecting internal threads.

2. The UAV direct-spray water-based fire extinguishing device according to claim 1, characterized in that: The frame (15) is also provided with a generator (3), a water tank (5), a battery (6), an oil tank (8), and a detector (10); two generators (3) are provided, and the two generators (3) are symmetrically arranged on the upper frame crossbeam (55); an oil tank (8) is also provided between the two generators (3); a water tank (5) is provided above the oil tank (8); and a battery (6) is provided above the water tank (5).

3. The UAV direct-spray water-based fire extinguishing device according to claim 1, characterized in that: It also includes a vertical propeller (18), wherein the vertical propeller (18) is connected to the rear end of the frame (15).

4. The UAV direct-spray water-based fire extinguishing device according to claim 1, characterized in that: One end of the nozzle pipe (21) is a nozzle (46), and the other end of the nozzle pipe (21) is threadedly connected to a second connecting member (47).

5. The UAV direct-spray water-based fire extinguishing device according to claim 1, characterized in that: The glass breaker (4) comprises a glass breaker gas cylinder (56), an electronic trigger (1) arranged at the mouth of the glass breaker gas cylinder (56), and the electronic trigger (1) is connected to an exhaust pipe (61) via a second connecting piece (47); a spring (60) is arranged in the exhaust pipe (61), one end of the spring (60) is connected to a bayonet (62), and the other end of the spring (60) is connected to a spring lock (57) in a glass breaking head (58), the spring lock (57) is arranged in an inner hole (59) of the glass breaking head, and the spring lock (57) comprises a fixing block (66), and the front end of the fixing block (66) is fixed in the inner hole (59) of the glass breaking head via a top screw (65); the front end of the exhaust pipe (61) presses and seals the glass breaking head (58).

6. The UAV direct-spray water-based fire extinguishing device according to claim 5, characterized in that: The glass breaker gas storage bottle (56) has a bottle tail bracket (64) disposed at the bottle tail (63) of the glass breaker gas storage bottle. The bottle tail bracket (64) has a bracket connection hole (68).

7. The UAV direct-spray water-based fire extinguishing device according to claim 1, characterized in that: The gas cylinder ports (27) at the front ends of the first gas cylinder (14) and the second gas cylinder (24) are connected to the pressure gauge (12) through the sealing head shell (52), and a taper sealing cap (28) with a hole is provided in the gas passage (32) in the sealing head shell (52).

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