Unmanned aerial vehicle high-altitude window-breaking dry powder fire extinguishing device

Abstract

The application belongs to the technical field of unmanned aerial vehicle application, and particularly relates to a high-altitude window-breaking dry powder fire extinguishing device of an unmanned aerial vehicle, which comprises an unmanned aerial vehicle assembly, a window-breaking fire extinguishing assembly carried on the bottom of the unmanned aerial vehicle assembly; the window-breaking fire extinguishing assembly comprises a base fixedly connected with the bottom of the unmanned aerial vehicle assembly, a storage module for storing solid beads for window breaking and dry powder fire extinguishing balls, a launching module for launching the solid beads for window breaking or the dry powder fire extinguishing balls, and a conveying module for conveying the solid beads for window breaking or the dry powder fire extinguishing balls from the storage module to the launching module. When a high-rise fire occurs, the unmanned aerial vehicle assembly carrying the window-breaking fire extinguishing assembly flies to a specified height, approaches an outer window of a high-rise building, and then the storage module conveys the solid beads for window breaking and loads the solid beads into the launching module. The launching module launches the solid beads for window breaking to break the outer window of the high-rise building. Then the storage module conveys the dry powder fire extinguishing balls to the launching module, and the launching module launches the dry powder fire extinguishing balls to the fire source, thereby realizing high-altitude window-breaking fire extinguishing operation of the unmanned aerial vehicle.

Description

Technical Field

[0001] This invention belongs to the field of drone application technology, and in particular relates to a drone-based high-altitude window-breaking dry powder fire extinguishing device. Background Technology

[0002] With urban development, a large number of high-rise buildings have been built and put into use. These extremely tall buildings, if they catch fire, are highly susceptible to creating a chimney effect, allowing fires to spread rapidly from lower to higher floors. Ground-based firefighting equipment is limited in its functionality: water pressure is insufficient, fire hoses are difficult to extend to the affected floors, and ladders are slow to be erected and cannot reach the top floor. Therefore, extinguishing fires in high-rise buildings is difficult, and firefighters climbing to the top floor to fight the fire are extremely dangerous and risky, as this can easily result in injuries or fatalities. Furthermore, the roads along the routes for fire trucks are often congested and the distances between them are considerable, requiring significant time to reach the fire scene. Experience has shown that firefighting must be done with utmost urgency; effective firefighting is only possible in the early stages. Once the fire has spread rapidly and intensified, firefighting becomes impossible, leading to incalculable casualties and property damage.

[0003] With the development of drone technology, using drones to extinguish fires at high altitudes can not only provide a rapid response to fires, but also allow firefighters to stay away from the fire source and ensure their safety through remote operation. Therefore, there is an urgent need for a drone-based high-altitude window-breaking dry powder fire extinguishing device to achieve the above functions. Summary of the Invention

[0004] The purpose of this invention is to provide a high-altitude window-breaking dry powder fire extinguishing device for drones to solve the above-mentioned problems.

[0005] To achieve the above objectives, the present invention provides the following solution:

[0006] A drone-based high-altitude window-breaking dry powder fire extinguishing device includes a drone component, wherein the bottom of the drone component is equipped with a window-breaking fire extinguishing component;

[0007] The window-breaking fire extinguishing component includes:

[0008] The base is fixedly connected to the bottom of the drone component;

[0009] The storage module is used to store solid beads for breaking windows and dry powder fire extinguishing balls;

[0010] The launch module is used to launch solid beads or dry powder fire extinguishing balls for breaking windows;

[0011] The conveying module is used to convey solid beads or dry powder fire extinguishing balls for breaking windows from the storage module to the launching module.

[0012] Optionally, the storage module includes two storage bins located on the fuselage of the drone component, one of which is used to store solid beads for breaking windows, and the other is used to store dry powder fire extinguishing balls. The storage bins are connected to the feed end of the conveying module through a feed pipe.

[0013] The base is fixed to the bottom of the drone fuselage.

[0014] Optionally, the two storage bins are located on opposite sides of the conveying module.

[0015] Optionally, the conveying module includes:

[0016] An electromagnetic stator ring is fixedly connected to the base. End caps are fixedly connected to both ends of the electromagnetic stator ring. The end caps are provided with a feed port for feeding and a connecting hole for discharging. The feed port is connected to the discharge end of the feed pipe.

[0017] A material-carrying wheel is rotatably disposed inside the electromagnetic stator ring. The electromagnetic stator ring is connected to the material-carrying wheel via a transmission. The material-carrying wheel has several circumferentially spaced material holes. The rotation of the material-carrying wheel causes the two ends of one of the material holes to communicate with the two feed inlets respectively, and the two ends of another material hole to communicate with the two connecting holes respectively.

[0018] Optionally, the inner wall of the electromagnetic stator ring is embedded with a plurality of circumferentially spaced electromagnetic plates, and the polarities of two adjacent electromagnetic plates are opposite.

[0019] The sidewall of the material-carrying wheel is embedded with a number of circumferentially spaced permanent magnet sheets, with the polarities of two adjacent permanent magnet sheets being opposite.

[0020] When the electromagnetic sheet is energized, it generates a magnetic field that magnetically connects with the permanent magnet sheet.

[0021] Optionally, the transmitting module includes:

[0022] A gun barrel is fixed to one of the end caps, and one end of the gun barrel communicates with the communication hole of the corresponding end cap.

[0023] An air compressor unit is fixedly connected to the bottom of the UAV fuselage, and the air outlet of the air compressor unit is connected to the communication hole of another end cover.

[0024] Optionally, the air compression unit includes:

[0025] A high-pressure air pipe is fixedly connected at one end to the corresponding end cap and connected to the corresponding connecting hole. The other end of the high-pressure air pipe is connected to an air compressor, and the fixed end of the air compressor is fixedly connected to the bottom of the UAV fuselage.

[0026] Optionally, the air compressor includes an air pump housing, the top of which is fixedly connected to the bottom of the UAV fuselage, and the bottom of which is connected to the high-pressure air pipe;

[0027] A piston slides vertically inside the air pump housing, dividing the inner wall of the air pump housing into an upper movable chamber and a lower gas compression chamber. The gas compression chamber is connected to the outside through a one-way valve, which allows outside air to enter the gas compression chamber when the piston rises. A second one-way valve is provided at the inlet end of the high-pressure air pipe, which prevents air from flowing back into the gas compression chamber when the gas compression chamber is in the intake phase.

[0028] The piston is connected to a drive unit for driving it to slide up and down.

[0029] Optionally, the drive unit includes a crankshaft, which is rotatably disposed within the air pump housing. One end of the crankshaft is axially connected to the output end of a motor, and the fixed end of the motor is fixedly connected to the outer wall of the air pump housing.

[0030] One end of the crankshaft connecting rod is hinged to the middle of the crankshaft, and the other end of the crankshaft connecting rod is hinged to the piston.

[0031] Optionally, a limiting slide is provided at the discharge end of the feed pipe. A slider is slidably connected to the top of the limiting slide. One end of a spring is fixedly connected to the bottom of the slider, and an electromagnet is fixedly connected to the other end of the spring. The electromagnet is fixed to the bottom of the limiting slide and is magnetically connected to the slider. When the electromagnet is activated, it attracts the slider, causing the spring to compress. The top of the slider is located inside the top of the limiting slide. When the electromagnet is closed, the spring is released, causing the top of the slider to be located outside the top of the limiting slide, thus preventing the solid beads or dry powder fire extinguishing balls used for breaking windows from rolling.

[0032] Compared with the prior art, the present invention has the following advantages and technical effects:

[0033] In use, a drone component carrying a window-breaking fire extinguishing component is used. When a high-rise fire occurs, the drone component carries the window-breaking fire extinguishing component to a designated altitude and approaches the exterior window of the high-rise building. The storage module first provides solid beads for window breaking, and the conveying module transports and loads the solid beads to the launching module. The launching module launches the solid beads to shatter the exterior window of the high-rise building. Subsequently, the storage module transports dry powder fire extinguishing balls to the launching module via the conveying module. The launching module launches the dry powder fire extinguishing balls at the fire source. After being thrown into the fire source, the dry powder fire extinguishing balls explode under high temperature, and the dry powder inside fills the fire source, thus realizing the drone's high-altitude window-breaking fire extinguishing operation. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly described below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the structure of the present invention;

[0036] Figure 2 This is a schematic diagram of the structure of the present invention from another angle;

[0037] Figure 3 This is a schematic diagram of the bottom structure of the present invention;

[0038] Figure 4 This is an exploded view of the window-breaking fire extinguishing component of the present invention;

[0039] Figure 5 This is a structural diagram of the UAV fuselage of the present invention;

[0040] Figure 6 This is a structural diagram of the feed pipe of the present invention;

[0041] Figure 7 For the present invention Figure 6 Enlarged view of a portion of point A in the middle;

[0042] Figure 8 This is a structural diagram of the air compressor of the present invention;

[0043] The components include: 1. UAV components; 2. Control module; 3. Arm; 4. Camera; 5. Window-breaking fire extinguishing component; 101. UAV fuselage; 102. Storage bin; 501. Cannon barrel; 502. Feed pipe; 503. Base; 504. Electromagnetic stator ring; 505. End cap; 506. Feed port; 507. Shaft connection hole; 508. Connecting hole; 509. Loading wheel; 510. Material hole; 511. Shaft; 512. High-pressure air pipe; 513. Air pump housing; 514. Limiting slide; 515. Slider; 516. Spring; 517. Electromagnet; 518. Piston; 519. Motor; 520. Crankshaft; 521. Crankshaft connecting rod; 522. One-way valve; 523. Gas compression chamber; 524. Second one-way valve. Detailed Implementation

[0044] In the existing technology, there is a drone-based high-altitude window-breaking dry powder fire extinguishing device, which includes: a PLC controller, a platform, an air hammer nozzle assembly, a fire extinguishing cylinder assembly, a locator, a V-shaped fork slider, a dry powder fire extinguishing cylinder, a firing pin, a thrust fan, a CCD camera, a gas cylinder, and landing gear; a single device can use 2 to 20 dry powder fire extinguishing cylinders in a controlled chain for total flooding fire extinguishing, or more than 2 devices can be used to extinguish fires in rotation. After the dry powder fire extinguishing cylinders are used up, the device can be dropped to the ground to replace the dry powder fire extinguishing cylinders and put into fire extinguishing again, which can make the fire extinguishing chain continue for a long time. The platform is rectangular, with a remote control receiver mounted on top and a PLC controller housed within the rectangle. The platform contains a battery and other components, excluding those externally mounted. Two compressed air cylinders are installed beneath the platform, with landing gear below them. A pneumatic hammer nozzle assembly with a window-breaking function is mounted on the upper surface of the platform, fixed at the midpoint of the platform's longitudinal axis, with the axis pointing laterally. A fire extinguishing chamber assembly is installed on the platform, with a dry powder fire extinguisher cartridge placed inside its upper chamber. The midpoint of the chamber's length coincides with the axis of the pneumatic hammer nozzle assembly. Two sliders are installed in its slide boxes, with the V-shaped fork sliders moving longitudinally. The fire extinguishing chamber assembly's width-wise installation position must ensure that the front surface of the dry powder fire extinguisher cartridge in the extinguishing position is flush with the powder inlet plane of the pneumatic hammer nozzle assembly, and the fire extinguisher's stopping point is the extinguishing activation position. The axis is coaxial and continuous with the air hammer nozzle assembly hole at this point, which is a clearance sliding fit. This allows the dry powder to be pushed down by the high-pressure aerosol smoke after the fire extinguishing is activated and sprayed at high speed from the fire extinguishing cylinder through the air hammer nozzle channel. The striking pin is used to strike the piezoelectric ceramic at the tail of the dry powder fire extinguishing cylinder to ignite it and start the dry powder fire extinguishing. The axis of the striking pin is coaxial with the axis of the dry powder fire extinguishing cylinder at the fire extinguishing activation position. A thrust fan is installed on each side of the middle of the platform longitudinally to generate dynamic thrust laterally to balance the axial reaction force when impacting the window and spraying dry powder from the fire extinguishing cylinder. The two thrust fans are symmetrically installed on both sides of the striking pin, with their axes parallel to the striking pin axis. The two blades rotate in opposite directions but have the same speed. The speed is controlled by a frequency converter to obtain different dynamic thrusts. The arrangement and installation of these components in the platform are based on the static balance position, and the frequency converter controls the speed of the thrust fans to achieve dynamic balance.

[0045] The fire extinguishing cylinder assembly includes: a cylinder, a slide base, two left and right V-shaped fork sliders, and two left and right three-position cylinders. The cylinder is used to store dry powder fire extinguishing cylinders. Two symmetrical V-shaped fork sliders are mounted on the longitudinal mid-plane inside the slide base. These sliders are pushed forward and extended along the slide within the slide base by the three-position cylinders, used to change the distance and positioning between the two V-shaped fork sliders. Their extension and retraction are connected to compressed air pipes, which are connected to two two-position five-way solenoid valves via air pipes. The P-port of the solenoid valves is connected to the gas cylinder, and the solenoid valves are electrically connected to a PLC controller. The pneumatic position has three positions: A) the horizontal distance between the two V-shaped fork sliders is medium, allowing the dry powder fire extinguishing cylinder to fall freely from top to bottom. When the fire extinguishing activation position is reached, the horizontal distance between the two V-shaped fork sliders at position B is at its minimum, clamping and positioning the dry powder fire extinguisher from the outside to the inside of the slide seat. At position C, the horizontal distance between the two V-shaped fork sliders is at its maximum. In this position, after the dry powder fire extinguisher in the fire extinguishing position has finished spraying dry powder, it falls freely downwards away from the V-shaped fork sliders and into the platform compartment. Immediately afterward, the horizontal distance between the V-shaped fork sliders is at its medium, and another dry powder fire extinguisher falls freely downwards into the fire extinguishing activation position. The space inside the fire extinguisher compartment assembly for loading dry powder fire extinguishers is arranged in a vertical single-row stack, while the toothed forks of the V-shaped fork sliders have an interlaced structure, which can clamp the dry powder fire extinguisher in the activation position at a small distance without interference between the left and right V-shaped fork sliders.

[0046] The striking pin is a pneumatic component, consisting of a striking pin head and a cylinder, which provides power to activate the piezoelectric ceramic in the dry powder fire extinguisher. Its extension and retraction are respectively connected to compressed air pipes, which are connected to a two-position five-way solenoid valve through an air pipe. The P port of the solenoid valve is connected to the gas cylinder, and the solenoid valve is electrically connected to the PLC controller. The piezoelectric ceramic button on its striking pin head end face is close to the piezoelectric ceramic button of the dry powder fire extinguisher in the extinguishing position, and is coaxial with the axis of the fire extinguishing nozzle and the air hammer assembly. Its power is generated by the cylinder driving the impact to generate high-voltage electric ignition to start the dry powder fire extinguisher.

[0047] The air hammer nozzle assembly is a pneumatic component, including: an air hammer nozzle, a piston, a cylinder body, and a rear cylinder cylinder. Two cylinder seats are fixedly mounted on the platform, with the rear cylinder cylinder fixedly installed inside their holes. The rear cylinder cylinder is integrated with the cylinder body, and the air hammer nozzle is integrated with the piston. The holes at both ends of the cylinder body are sealed with sealing rings, and the inner hole of the rear cylinder cylinder and the outer cylinder of the air hammer nozzle are in sliding fit. Driven by compressed air, the air hammer nozzle repeatedly changes its axial direction to perform frequent window-breaking operations. The air hammer nozzle and piston extension and retraction chambers are respectively connected to compressed air pipes on the cylinder body. The pipes are connected to the AB ports of a two-position five-way solenoid valve through air pipes. The P port of the solenoid valve is connected to the air cylinder, and the solenoid valve is electrically connected to the PLC controller.

[0048] Pneumatic process: The two gas cylinders are connected in parallel and the PLC controls the switching of the two gas cylinders; through the corresponding solenoid valves, the AB air pipes are connected to the air holes of the air hammer nozzle assembly and the three positioning air holes of the two parallel sliders and the cylinder air hole of the impact pin.

[0049] The power source in the above scheme is a hydrogen battery or a lithium battery, which is connected to a transformer, rectifier, and transmitter via a frequency discriminator: one path connects to a PLC controller; the PLC controller switches are connected to the solenoid valves of the gas cylinder, fire extinguishing nozzle, air hammer assembly, slider, and impact pin, respectively; the PLC controller is also connected to the frequency converter, the sensor for the extinguishing position of the dry powder fire extinguisher, and the remote control via the DA module; the frequency converter is connected to the thrust fan; the other path connects to the power line of the remote control receiver, which is connected to the I port of the PLC controller and controls the start and speed of the thrust fan via the frequency converter; the PLC is also connected to the CCD camera for communication; the two electrode wires of the piezoelectric ceramic are connected to the two wires of the electric ignition head inside the dry powder fire extinguisher.

[0050] The dry powder fire extinguisher has a powder nozzle at the front, dry powder in the middle, and an aerosol-generating agent at the bottom. An electric ignition head is installed at the bottom. The aerosol agent is ignited by an electric spark generated by piezoelectric ceramics, which generates 10 MPa of gas pressure to propel the dry powder out of the nozzle for fire extinguishing. The piezoelectric ceramic is installed at the rear of the cylinder, and the movement direction of the piezoelectric ceramic button is coaxial with the cylinder axis and extends out of the cylinder.

[0051] The control process of the above scheme is as follows: 1. Flight to the fire point control: According to navigation, the flight path is manually controlled to quickly fly directly to the fire location, and then the fire extinguishing position is accurately located by video; 2. Window breaking control: The piston in the air hammer nozzle assembly reciprocates in the cylinder to break the window; 3. Fire extinguishing control: The PLC controller automatically controls the operation based on the instantaneous video images and ranging data of the CCD camera. The PLC controller automatically controls the following: the accurate horizontal distance between the fire extinguishing device and the fire wall, window breaking, whether to start the next dry powder fire extinguisher based on the fire extinguishing effect, the firing pin striking the piezoelectric ceramic of the dry powder fire extinguisher to start the fire extinguishing, gas cylinder opening and closing, automatic adjustment of the variable frequency speed, timely start of the backflow fan and variable frequency speed regulation to balance the reaction force; 4. According to the ground monitoring data and images, the window breaking point position, window breaking time, firing pin ignition and fire extinguishing related actions are adjusted and controlled by the remote control through the PLC; 5. The start and stop of the thrust fan, and the balance between the speed and wind force and the horizontal backflow force are automatically controlled by the PLC's separate algorithm.

[0052] The robustness of the above solution lies in the fact that, during the drone's hovering operation, the thrust fan speed is adjusted laterally to achieve the following: 1. Balance the reaction force of breaking the window, allowing the air hammer nozzle assembly to be extracted after the window is broken; 2. Prevent the air hammer nozzle head from being jammed by the break, affecting flight safety; 3. Balance the reaction force of spraying dry powder for fire extinguishing. This is achieved by the data collected by the CCD camera being precisely controlled and adjusted in a timely manner by the PLC controller, enabling the drone to remain stable and unaffected by the power disturbances of the fire extinguishing process.

[0053] The system can be stopped at any time without using other dry powder fire extinguishers, which saves on firefighting costs. When used in combination with two or more units, it is suitable for large fires. If one dry powder fire extinguisher runs out of powder during firefighting, it can immediately leave the fire scene, descend to the ground, unload the empty dry powder fire extinguisher, and refill it with a new dry powder fire extinguisher. Another unit can then take over to continue firefighting. Subsequent units can continue to take turns fighting the fire. Once the unit has been refilled with dry powder fire extinguishers, it can rejoin the firefighting rotation.

[0054] However, after analyzing the above scheme, it was found that its window-breaking function requires proximity to high-rise buildings. The rising hot air generated during a fire and the strong lateral winds from the high-rise buildings themselves can easily interfere with the flight of drones.

[0055] Another prior art provides a window-breaking fire extinguishing drone, which includes a drone body connected to four rotating shafts. Rotatable propellers are fixed above the rotating shafts to provide lift during flight. The drone fuselage includes a retractable window-breaking device, and the bottom of the drone fuselage has a connecting shaft for connecting the fuselage to a dry powder containing device.

[0056] The dry powder containing device includes a dry powder storage bottle and a dry powder nozzle. The thrust generated by the motor allows the dry powder in the bottle to be ejected for fire extinguishing. The retractable window-breaking device includes a telescopic rod and a window-breaking head. The thrust and suction generated by the motor control the extension and retraction of the telescopic rod, thus facilitating fire extinguishing. The aforementioned window-breaking drone fire extinguishing device can achieve rapid fire extinguishing in high-rise buildings. The device has a simple structure and is easy to operate. Compared with traditional fire extinguishing devices, it not only has more functions but also provides faster fire extinguishing effects, significantly reducing the losses from high-rise fires. However, the device has a limited capacity for carrying dry powder. When the dry powder is launched, it is easily affected by the airflow from the drone blades, making it difficult to accurately target the fire source, resulting in poor fire extinguishing effects.

[0057] Based on the analysis of the above-mentioned technologies, an improved solution for the present invention is proposed.

[0058] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0059] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0060] Reference Figures 1 to 8The present invention discloses a high-altitude window-breaking dry powder fire extinguishing device for drones, including a drone component 1, and a window-breaking fire extinguishing component 5 mounted on the bottom of the drone component 1;

[0061] The window-breaking fire suppression component 5 includes:

[0062] Base 503 is fixedly connected to the bottom of UAV component 1;

[0063] The storage module is used to store solid beads for breaking windows and dry powder fire extinguishing balls;

[0064] The launch module is used to launch solid beads or dry powder fire extinguishing balls for breaking windows;

[0065] The conveying module is used to transport solid beads or dry powder fire extinguishing balls for breaking windows from the storage module to the launching module.

[0066] In use, the drone component 1 carries the window-breaking fire extinguishing component 5. When a high-rise fire occurs, the drone component 1 carries the window-breaking fire extinguishing component 5 to a designated altitude and approaches the exterior window of the high-rise building. The storage module first provides solid beads for breaking windows, and the conveying module transports and loads the solid beads for breaking windows to the launching module. The launching module launches the solid beads for breaking windows to shatter the exterior window of the high-rise building. Then, the storage module transports the dry powder fire extinguishing ball to the launching module through the conveying module. The launching module launches the dry powder fire extinguishing ball towards the fire source. After the dry powder fire extinguishing ball is thrown into the fire source, it explodes under high temperature. The dry powder inside fills the fire source, thus realizing the drone's high-altitude window-breaking fire extinguishing operation.

[0067] As an optional implementation of this application, the storage module includes two storage bins 102 on the fuselage 101 of the drone component 1. One storage bin 102 is used to store solid beads for breaking windows, and the other storage bin 102 is used to store dry powder fire extinguishing balls. The storage bins 102 are connected to the feed end of the conveying module through the feed pipe 502.

[0068] The base 503 is fixed to the bottom of the drone fuselage 101.

[0069] The drone component 1 includes a drone fuselage 101, which contains a battery. A control module 2 is mounted on the top of the drone fuselage 101. The control module 2 is used to control the drone's flight and data transmission. The control module 2 is also used to control the operation of the launch module and the delivery module.

[0070] The drone fuselage 101 is equipped with multiple arms 3 around its perimeter. The far end of each arm 3 is equipped with a motor for the drone to fly. The number of arms 3 is set according to the required takeoff weight.

[0071] The robotic arm 3 and the drone body 101 can be folded or telescopic to facilitate easy transport.

[0072] The detailed structure and configuration of the robotic arm 3 and the control module 2 can be obtained through existing technologies, so they will not be described in detail here.

[0073] The drone body 101 has a camera 4 mounted on the bottom via a gimbal. The camera 4 can be a binocular camera, and can be a camera with thermal imaging and ordinary shooting functions, which is convenient for finding fire sources and determining whether the fire source is covered. The camera 4 is existing technology, so it will not be described in detail.

[0074] The drone fuselage 101 has at least two storage compartments 102 inside. One storage compartment 102 is used to store solid beads for breaking windows, and the other side is used to store dry powder fire extinguishing balls. The size of the solid beads for breaking windows is similar to that of the dry powder fire extinguishing balls.

[0075] As an optional implementation of this application, the two storage bins 102 are located on both sides of the conveying module.

[0076] The size of the solid beads for breaking windows is similar to that of the dry powder fire extinguishing balls. The balance of the drone body 101 can be ensured by adjusting the number of solid beads for breaking windows and the number of dry powder fire extinguishing balls.

[0077] As an optional implementation of this application, the delivery module includes:

[0078] Electromagnetic stator ring 504 is fixedly connected to base 503. End caps 505 are fixedly connected to both ends of electromagnetic stator ring 504. End caps 505 are provided with a feed port 506 for feeding and a connecting hole 508 for discharging. The feed port 506 is connected to the discharge end of feed pipe 502.

[0079] The material loading wheel 509 is rotatably disposed inside the electromagnetic stator ring 504. The electromagnetic stator ring 504 is connected to the material loading wheel 509 in a driving connection. The material loading wheel 509 has several circumferentially spaced material holes 510. The rotation of the material loading wheel 509 causes the two ends of one of the material holes 510 to be connected to two feed ports 506 respectively, and the two ends of another material hole 510 to be connected to two connecting holes 508 respectively.

[0080] During operation, the electromagnetic stator ring 504 drives the material carrier wheel 509 to rotate, causing the material holes 510 on the material carrier wheel 509 to switch between the connecting holes 508 and the feed inlet 506. Solid beads or dry powder fire extinguishing balls for breaking windows roll from the feed pipe 502 into one of the material holes 510. The material carrier wheel 509 rotates to move the material hole 510 between the two connecting holes 508 and connect them, so that the solid beads or dry powder fire extinguishing balls for breaking windows are filled into the launching module.

[0081] As an optional implementation of this application, a number of circumferentially spaced electromagnetic plates are embedded in the inner wall of the electromagnetic stator ring 504, with the polarities of adjacent electromagnetic plates being opposite.

[0082] The sidewall of the material-carrying wheel 509 is embedded with a number of circumferentially spaced permanent magnet sheets, with the polarities of two adjacent permanent magnet sheets being opposite.

[0083] When the electromagnetic plate is energized, it generates a magnetic field that magnetically connects with the permanent magnet plate.

[0084] By energizing the electromagnetic plates, a magnetic field is generated. The magnetic fields generated by two adjacent electromagnetic plates have opposite polarities. When the magnetic field is generated, the electromagnetic plates are magnetically connected to the permanent magnet plates. Under the action of the magnet, the material-carrying wheel 509 can be driven to rotate. By switching the polarity of the electromagnetic plates, the rotation of the material-carrying wheel 509 can be achieved, and its rotation angle and speed can be controlled.

[0085] A rotating shaft 511 is connected to the middle of the material-carrying wheel 509. The end of the rotating shaft 511 is rotatably connected to the end cover 505 through a rotating shaft connection hole 507 opened in the middle of the end cover 505.

[0086] As an optional implementation of this application, the transmitting module includes:

[0087] The gun barrel 501 is fixed to one of the end caps 505, and one end of the gun barrel 501 is connected to the connecting hole 508 of the corresponding end cap 505.

[0088] An air compressor unit is fixed to the bottom of the UAV fuselage 101, and the air outlet of the air compressor unit is connected to the communication hole 508 of another end cover 505.

[0089] In use, the material wheel 509 rotates, connecting one of the material holes 510 between the barrel 501 and the high-pressure air pipe 512. At this time, the high-pressure air stored in the high-pressure air pipe 512 will push the solid bead for breaking windows or the dry powder fire extinguishing ball out. When the material wheel 509 rotates, its side wall is blocked at the air outlet of the high-pressure air pipe 512. This is the inflation stage. The air pressure inside the air is increased by the air compression section. As the barrel 501 is connected to one of the material holes 510, the air in the high-pressure air pipe 512 is gradually released and pushes the corresponding solid bead for breaking windows or the dry powder fire extinguishing ball to move until the material wheel 509 rotates to the point where the material hole 510 is coaxial with the barrel 501. The solid bead for breaking windows or the dry powder fire extinguishing ball is no longer limited by the side wall of the end cap 505. Under the action of air pressure, the solid bead for breaking windows or the dry powder fire extinguishing ball is ejected at high speed through the barrel 501.

[0090] As an optional embodiment of this application, the air compression unit includes:

[0091] The high-pressure air pipe 512 is fixedly connected at one end to the corresponding end cap 505 and is connected to the corresponding connecting hole 508. The other end of the high-pressure air pipe 512 is connected to an air compressor, and the fixed end of the air compressor is fixedly connected to the bottom of the UAV fuselage 101.

[0092] As an optional implementation of this application, the air compressor includes an air pump housing 513, the top of which is fixedly connected to the bottom of the UAV fuselage 101, and the bottom of which is connected to a high-pressure air pipe 512.

[0093] A piston 518 slides vertically inside the air pump housing 513. The piston 518 divides the inner wall of the air pump housing 513 into an upper movable chamber and a lower gas compression chamber 523. The gas compression chamber 523 is connected to the outside through a one-way valve 522. The one-way valve 522 is used to allow outside air to enter the gas compression chamber 523 when the piston 518 rises. The inlet end of the high-pressure air pipe 512 is provided with a second one-way valve 524. The second one-way valve 524 is used to prevent air in the high-pressure air pipe 512 from flowing back into the gas compression chamber 523 when the gas compression chamber 523 is in the intake stage.

[0094] The piston 518 is connected to a drive unit for driving its up and down sliding.

[0095] As an optional embodiment of this application, the drive unit includes a crankshaft 520, which is rotatably disposed inside the air pump housing 513. One end of the crankshaft 520 is shaft-connected to the output end of the motor 519, and the fixed end of the motor 519 is fixedly connected to the outer wall of the air pump housing 513.

[0096] One end of the crankshaft connecting rod 521 is hinged to the middle of the crankshaft 520, and the other end of the crankshaft connecting rod 521 is hinged to the piston 518.

[0097] The crankshaft 520 is rotated by the motor 519. Under the action of the crankshaft 520 and the crankshaft connecting rod 521, the piston 518 slides up and down. When the piston 518 rises, the one-way valve 522 acts as the air inlet to replenish the gas compression chamber 523. When the piston 518 falls, the second one-way valve 524 acts as the air outlet to replenish the high-pressure air pipe 512. Since the gas flow direction is restricted by the one-way valve 522 and the second one-way valve 524, the air pressure in the high-pressure air pipe 512 will continue to rise as the piston 518 reciprocates.

[0098] As an optional implementation of this application, the discharge end of the feed pipe 502 is provided with a limiting slide 514. A slider 515 is slidably connected to the top of the limiting slide 514. One end of a spring 516 is fixedly connected to the bottom of the slider 515. An electromagnet 517 is fixedly connected to the other end of the spring 516. The electromagnet 517 is fixedly connected to the bottom of the limiting slide 514. The electromagnet 517 is magnetically connected to the slider 515. When the electromagnet 517 is activated, it attracts the slider 515, causing the spring 516 to compress. The top of the slider 515 is located inside the top of the limiting slide 514. When the electromagnet 517 is closed, the spring 516 is released, causing the top of the slider 515 to be located outside the top of the limiting slide 514, which is used to prevent the solid beads or dry powder fire extinguishing balls used for breaking windows from rolling.

[0099] By positioning the top of slider 515 outside the top of limit slide 514, the rolling of solid beads for breaking windows or dry powder fire extinguishing balls can be prevented. When solid beads for breaking windows need to be launched, the electromagnet 517 in the feed pipe 502 on the side for conveying solid beads for breaking windows is activated, which attracts slider 515 and compresses spring 516. Meanwhile, the electromagnet 517 in the feed pipe 502 for conveying dry powder fire extinguishing balls is in the closed state, thus preventing dry powder fire extinguishing balls from entering the material hole 510. Conversely, after breaking windows, the state of the electromagnet 517 in the two feed pipes 502 is switched to stop conveying solid beads for breaking windows and open the transport of dry powder fire extinguishing balls.

[0100] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0101] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. A high-altitude window breaking dry powder extinguishing device for unmanned aerial vehicles, comprising an unmanned aerial vehicle assembly (1), characterized in that, The unmanned aerial vehicle assembly (1) is provided with a window breaking and fire extinguishing assembly (5) at the bottom; The window breaking and fire extinguishing assembly (5) comprises: a base (503) fixedly connected to the bottom of the unmanned aerial vehicle assembly (1); a storage module for storing solid beads for breaking windows and dry powder fire extinguishing balls; a launching module for launching the solid beads for breaking windows or the dry powder fire extinguishing balls; a conveying module for conveying the solid beads for breaking windows or the dry powder fire extinguishing balls from the storage module to the launching module; The storage module comprises two storage bins (102) provided on the unmanned aerial vehicle body (101) of the unmanned aerial vehicle assembly (1), one of the storage bins (102) is used for storing solid beads for breaking windows, and the other storage bin (102) is used for storing dry powder fire extinguishing balls, and the storage bins (102) are in communication with the feeding end of the conveying module through feeding pipes (502); The base (503) is fixedly connected to the bottom of the unmanned aerial vehicle body (101); The conveying module comprises: an electromagnetic stator ring (504) fixedly connected to the base (503), two ends of the electromagnetic stator ring (504) are respectively fixedly connected with end covers (505), the end covers (505) are provided with feeding ports (506) for feeding and communication holes (508) for discharging, and the feeding ports (506) are in communication with the discharging ends of the feeding pipes (502); a carrier wheel disc (509) rotatably arranged in the electromagnetic stator ring (504), the electromagnetic stator ring (504) is in transmission connection with the carrier wheel disc (509), a plurality of material holes (510) are arranged on the carrier wheel disc (509) in a circumferential direction and at equal intervals, and rotation of the carrier wheel disc (509) causes two ends of one of the material holes (510) to be in communication with two feeding ports (506) and two ends of another material hole (510) to be in communication with two communication holes (508); The launching module comprises: a barrel (501) fixedly connected to one of the end covers (505), one end of the barrel (501) is in communication with the communication hole (508) of the corresponding end cover (505); an air compression part fixedly connected to the bottom of the unmanned aerial vehicle body (101), and the air compression part is in communication with the communication hole (508) of the other end cover (505) through an air outlet. The discharge end of the feeding pipe (502) is provided with a limiting slide (514), the top of the limiting slide (514) is slidably connected with a sliding block (515), one end of a spring (516) is fixedly connected to the bottom of the sliding block (515), the other end of the spring (516) is fixedly connected with an electromagnet (517), the electromagnet (517) is fixedly connected to the bottom of the limiting slide (514), the electromagnet (517) is magnetically connected with the sliding block (515), when the electromagnet (517) is started, the sliding block (515) is attracted, and the spring (516) is compressed, the top end of the sliding block (515) is located inside the top of the limiting slide (514), when the electromagnet (517) is turned off, the spring (516) is released, and the top end of the sliding block (515) is located outside the top of the limiting slide (514), so as to hinder the rolling of the solid ball or dry powder fire extinguishing ball.

2. The unmanned aerial vehicle high-altitude window breaking dry powder fire extinguishing equipment according to claim 1, characterized in that: Two said storage bins (102) are located on the two sides of the conveying module.

3. The unmanned aerial vehicle high-altitude window breaking dry powder fire extinguishing equipment according to claim 1, characterized in that: The inner wall of the electromagnetic stator ring (504) is embedded with a plurality of circumferentially and equally spaced electromagnetic sheets, and the polarities of two adjacent electromagnetic sheets are opposite. The sidewall of the carrier wheel disc (509) is embedded with a plurality of circumferentially and equally spaced permanent magnet sheets, and the polarities of two adjacent permanent magnet sheets are opposite. The electromagnetic sheet generates a magnetic field after being energized and is magnetically connected with the permanent magnet sheet.

4. The drone high-altitude window breaking dry chemical fire extinguishing apparatus according to claim 1, characterized in that, The air compression part comprises: A high-pressure air pipe (512) is fixedly connected to one end of the corresponding end cover (505), the high-pressure air pipe (512) is in communication with the corresponding communication hole (508), and the other end of the high-pressure air pipe (512) is communicated with an air compressor, and the fixed end of the air compressor is fixedly connected to the bottom of the unmanned aerial vehicle body (101).

5. The drone high-altitude window breaking dry chemical fire extinguishing apparatus according to claim 4, characterized in that: The air compressor comprises a gas pump shell (513), the top of the gas pump shell (513) is fixedly connected to the bottom of the unmanned aerial vehicle body (101), and the bottom of the gas pump shell (513) is in communication with the high-pressure air pipe (512). A piston (518) vertically slides in the gas pump shell (513), the piston (518) divides the inner wall of the gas pump shell (513) into an upper movable cavity and a lower gas compression cavity (523), the gas compression cavity (523) is in communication with the outside through a one-way valve (522), the one-way valve (522) is used for allowing external air to enter the gas compression cavity (523) when the piston (518) rises, and a second one-way valve (524) is arranged at the air inlet end of the high-pressure air pipe (512), and the second one-way valve (524) is used for preventing the air in the high-pressure air pipe (512) from flowing back to the gas compression cavity (523) when the gas compression cavity (523) is in the air suction stage. The piston (518) is drivingly connected with a driving part for driving the piston (518) to slide up and down.

6. The unmanned aerial vehicle high-altitude window breaking dry powder fire extinguishing equipment according to claim 5, characterized in that: The driving part comprises a crankshaft (520) which is rotatably arranged in the air pump shell (513), one end of the crankshaft (520) is connected with the output end of a motor (519), and the fixed end of the motor (519) is fixedly connected with the outer wall of the air pump shell (513); One end of a crankshaft connecting rod (521) is hingedly connected to the middle part of the crankshaft (520), and the other end of the crankshaft connecting rod (521) is hingedly connected with the piston (518).

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