A high-rise building unmanned aerial vehicle fire extinguishing system and method

Abstract

The application provides a high-rise building unmanned aerial vehicle fire extinguishing system and method, the system comprises: a movable take-off and landing platform, which is used for switching between extension and convergence between the inside and outside of the building, effectively avoiding the complex dynamic docking process of the high-altitude connection mechanism in the prior art, reducing the system complexity and eliminating the risk of connection failure in the complex airflow environment, ensuring the continuity and high reliability of the fire extinguishing operation; an unmanned aerial vehicle, which is used for taking off from the movable take-off and landing platform and performing fire extinguishing operation; and a command communication system, which is used for controlling the operation of the movable take-off and landing platform and the unmanned aerial vehicle, significantly improving the deployment efficiency and operation safety of the high-rise building fire response.

Description

Technical Field

[0001] This invention relates to the field of fire protection technology for high-rise buildings, and in particular to a high-rise building unmanned aerial vehicle (UAV) fire extinguishing system and method. Background Technology

[0002] Unmanned aerial vehicle (UAV) firefighting systems are a new type of emergency rescue system that uses UAVs as the core execution unit. They are primarily powered by onboard batteries or tethered cables, and the airborne spraying devices are controlled from the ground to perform firefighting operations. These systems offer significant advantages such as flexible deployment, rapid response, and high operational efficiency, effectively overcoming many shortcomings of traditional firefighting and rescue equipment due to its complex and cumbersome operation. They possess extremely high application value and broad development prospects in the field of modern urban fire emergency rescue.

[0003] However, with the rapid advancement of urbanization, a large number of high-rise buildings exceeding 200 meters or even 300 meters in height are constantly emerging, posing a severe operational bottleneck to traditional drone firefighting systems. Due to physical limitations such as energy supply methods, extinguishing agent delivery and pumping capabilities, and the weight of the tethering system itself, the actual effective operating height of traditional ground-deployed drone firefighting systems is generally limited to below 120 meters. When facing fires in high-rise buildings, not only can the required operating height not be reached, but the excessively long fire hoses and tethering cables also place a significant load on the drones, severely reducing the reliability of flight control and significantly weakening the spray flow and effective range of the extinguishing agent.

[0004] To address the limitation on operational height caused by high-rise buildings, existing technologies have attempted to utilize the building's refuge floors as high-altitude water supply nodes, using drones to mechanically connect with water supply cables in the air to complete firefighting operations. However, this type of high-altitude connection scheme relies on complex aerial mechanical connection mechanisms and high-precision dynamic docking control processes, resulting in an overly complex overall system structure, extremely poor operational continuity, and a high risk of docking failure in complex airflow environments during fires. Consequently, its overall operational reliability and practical engineering applicability are extremely low. Summary of the Invention

[0005] This invention provides a high-rise building drone firefighting system and method to solve the shortcomings of existing drone firefighting technology, which is limited by the ground deployment height and the poor reliability of high-altitude mechanical connection, and realizes flexible deployment and efficient firefighting of high-rise fires.

[0006] This invention provides a high-rise building drone fire suppression system, deployed inside the building, comprising: A mobile take-off and landing platform for extending or converging between the interior and exterior of the building; Unmanned aerial vehicles (UAVs) are used to take off from the mobile take-off and landing platform and perform firefighting operations; and A command and communication system is used to control the operation of the mobile take-off and landing platform and the UAV.

[0007] According to the high-rise building drone fire extinguishing system provided by the present invention, the system is deployed in the refuge floor of the high-rise building. The refuge floor includes an independent fire compartment and a smoke control system for spatial isolation and storage of the system.

[0008] The high-rise building drone firefighting system provided by the present invention also includes an energy supply system, wherein the energy supply system uses mains power distribution, an energy storage system mainly composed of battery packs, or a generator set driven by fossil fuels to supply power to the system.

[0009] According to the high-rise building drone firefighting system provided by the present invention, the movable take-off and landing platform is a folding structure or a sliding rail translation structure, which is used to provide physical support for the take-off and landing of the drone.

[0010] The high-rise building drone fire-fighting system provided by the present invention also includes a tethering cable system and a fire-fighting system; The tethering cable system includes an automatic take-up and release motor for controlling the tension of the tethering cable; The fire extinguishing system includes a fire hose reeling device for controlling the tension of the fire hose and supplying extinguishing agent.

[0011] According to the high-rise building drone firefighting system provided by the present invention, the command and communication system includes control and management equipment, display equipment, and communication equipment; The communication equipment establishes a two-way communication link between the subsystems, and the control and management equipment is used to logically associate and synchronously schedule the UAV flight trajectory, fire extinguishing agent supply pressure and energy consumption status. The display equipment is used to visualize the operating parameters and working environment of each subsystem in real time, so as to realize the closed-loop control of the entire fire extinguishing process.

[0012] According to the high-rise building drone firefighting system provided by the present invention, the drone is equipped with an airborne spray system, which is mounted on the drone as a mission payload.

[0013] According to the high-rise building drone firefighting system provided by the present invention, the system further includes monitoring equipment for acquiring image information of the firefighting operation location in real time and transmitting it to the command and communication system.

[0014] This invention provides a method for fire suppression using drones in high-rise buildings, implemented using a high-rise building drone fire suppression system as described above, and includes the following steps: In response to a fire signal, the mobile take-off and landing platform is controlled to extend from inside the building to the outside of the building; The system controls the drone to take off from the mobile take-off and landing platform and fly to the fire-fighting operation point to carry out fire-fighting operations; in response to the fire-fighting operation completion command, the system controls the drone to land on the mobile take-off and landing platform and controls the mobile take-off and landing platform to return to the building.

[0015] According to the high-rise building drone fire extinguishing method provided by the present invention, before the step of responding to a fire signal, a system deployment step is further included: placing the drone fire extinguishing system in an area with an independent fire compartment and smoke control system to achieve spatial isolation and storage of the drone fire extinguishing system.

[0016] This invention provides a high-rise building drone firefighting system and method. By deploying the entire high-rise building drone firefighting system inside the building and utilizing a mobile take-off and landing platform to enable the drone to take off and land retractably at the front edge of the building, it changes the traditional operation mode of drones taking off from the ground and overcomes the physical limitations on the drone's operating radius imposed by the altitude of ground power or water supply. At the same time, relying on the flexible extension and convergence of the platform inside and outside the building, it provides stable physical support for the drone's take-off and landing, effectively avoiding the complex dynamic docking process of high-altitude docking mechanisms in existing technologies, reducing system complexity and eliminating the risk of docking failure in complex airflow environments, ensuring the continuity and high reliability of firefighting operations. With the coordinated control of the platform and drone operation by the command and communication system, it significantly improves the deployment efficiency and operational safety of high-rise building fire response. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a structural schematic diagram of the high-rise building drone firefighting system provided by the present invention.

[0019] Figure 2 This is a flowchart illustrating the high-rise building drone firefighting method provided by the present invention. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this invention. All other embodiments obtained by those skilled in the art based on the embodiments of this invention without creative effort are within the scope of protection of this invention.

[0021] First, the prior art related to this invention will be described in detail. In typical traditional drone firefighting systems, especially ground deployment schemes centered on tethered drones, the system architecture typically includes a fire truck, a ground control unit, and a tethered firefighting drone. The fire truck, as the mobile carrier of the entire system, not only needs to carry the drone itself but also integrates large energy supply modules (such as diesel generators or high-capacity battery packs), fire extinguishing agent storage tanks (such as water tanks or foam tanks), and tether cables and fire hose reeling devices that are hundreds of meters long. During operation, the ground control unit communicates with the drone via wired or wireless means to centrally control the drone's flight attitude, the start and stop of fire extinguishing agent spraying, and the tension of the tether cables. While this integrated design is effective in low-rise buildings or open areas, its inherent defects are drastically amplified when facing fires in high-rise buildings. First, as the operating altitude increases, the total weight of the tether cables and fire hoses used to transport power and fire extinguishing media increases linearly, posing a severe challenge to the drone's payload and flight stability. Secondly, the wind resistance and swaying of ultra-long cables in strong winds at high altitudes can easily cause them to collide with or become entangled with building exteriors, seriously threatening flight safety. Furthermore, in traditional solutions, drones must take off from the ground, and climbing to an altitude of several hundred meters consumes a significant amount of valuable energy and time, further compressing the precious firefighting window.

[0022] To overcome the height limitations of ground deployment, some existing technologies attempt to utilize the inherent refuge floors of high-rise buildings as transit nodes. The specific solution involves pre-installing a water supply system and some control equipment on the refuge floor. The drone takes off from the ground or a lower floor, arrives near the refuge floor, and then uses a complex aerial mechanical docking mechanism to dock with a water supply hose suspended outside the refuge floor. Only after successful docking can the drone continue to ascend and utilize the elevated water source for firefighting. However, this approach has revealed several insurmountable obstacles in engineering practice. First, the aerial mechanical docking mechanism requires extremely high docking precision, integrating high-precision visual guidance, force feedback, and complex servo control algorithms, resulting in poor system robustness. In extreme environments such as dense smoke, high-temperature airflow, and building debris at fire scenes, the docking success rate is extremely low. Second, the entire process from takeoff to successful docking is too time-consuming, making it difficult to meet the golden principle of "early detection and early suppression" in firefighting. Third, the drone must carry the heavy docking mechanism before and after docking, further reducing its maneuverability and endurance. Therefore, although the solution is innovative in concept, it has not yet been widely applied in engineering due to its complexity and lack of reliability.

[0023] Based on this, the present invention proposes a mobile and rapidly deployable drone firefighting system and method for super high-rise buildings, aiming to fundamentally solve the aforementioned technical challenges. This invention abandons the traditional path of operation from the ground or through complex aerial connections, creatively placing the complete drone firefighting system pre-positioned and rapidly deployed within the refuge floors or functional floors of super high-rise buildings. By designing a mobile take-off and landing platform, the invention achieves safe storage of the drone inside the building and rapid take-off and landing outside; simultaneously, relying on the building's own or nearby multi-energy and fire extinguishing agent supply systems, it provides the drone with almost unlimited continuous operational capability. This integrated solution not only greatly improves the reach and response speed of the firefighting system but also effectively avoids the negative impact of excessively long cables on flight reliability, providing a highly integrated, highly reliable, and easily deployable engineering solution for fire fighting in super high-rise buildings.

[0024] The specific embodiments of the high-rise building drone fire suppression system and method provided by the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the high-rise buildings described in the embodiments of the present invention include, but are not limited to, civil buildings with a height exceeding 100 meters, and are particularly suitable for super high-rise buildings with a height exceeding 200 meters or even 300 meters; the refuge floor refers to a floor that is set up in accordance with building fire protection codes and has an independent fire compartment and smoke control system, which can serve as an ideal deployment site for the drone fire suppression system.

[0025] Figure 1 The diagram shows a structural schematic of a high-rise building drone firefighting system provided in an embodiment of the present invention. The system is deployed entirely inside the building, specifically on a refuge floor or a functional floor with sufficient space and safety conditions. The system mainly includes a mobile take-off and landing platform, a drone, and a command and communication system. Furthermore, depending on actual firefighting needs, the system may further include subsystems such as an energy supply system, a mooring cable system, a firefighting system, and monitoring equipment.

[0026] The mobile take-off and landing platform is one of the core components of this invention, enabling rapid deployment and high-altitude take-off. This platform is installed at openings in the exterior walls of buildings or in pre-reserved equipment openings. Its structural form can be folding, sliding along rails, or telescopic, and this invention does not impose strict limitations on these.

[0027] In its non-operational state (i.e., standby or routine storage), the mobile take-off and landing platform retracts into the building interior, not protruding from the building's exterior wall, thus avoiding the impact of external environmental factors such as wind, rain, and lightning strikes, while also preserving the building's appearance and curtain wall integrity. Upon receiving a fire signal or activation command, the platform, driven by a mechanism (such as an electric actuator, hydraulic cylinder, or servo motor with lead screw guide rail), extends outward to the exterior of the building, forming a flat and stable take-off and landing area cantilevered outside the building. The platform surface can be equipped with anti-slip textures, limit grooves, or automatic locking mechanisms to guide and secure the drone's landing gear, preventing the drone from slipping due to wind or platform swaying during take-off and landing. The platform should possess sufficient structural strength to withstand the drone's own weight and the dynamic impact loads generated during take-off and landing.

[0028] For example, in one specific implementation, the mobile take-off and landing platform uses high-strength aluminum alloy or carbon fiber composite material as the main structure, and its extension length is not less than 1.5 times the maximum outline size of the UAV to ensure a safe take-off and landing margin.

[0029] In addition, the drone, as the core execution unit of the system, takes off from a mobile take-off and landing platform to perform firefighting operations. This drone can be a multi-rotor drone (such as a quadcopter, hexacopter, or octaco configuration), possessing vertical take-off and landing, hovering, and precise positioning capabilities. The drone carries an onboard mission payload, the most important of which is an onboard spraying system. This spraying system includes nozzles, electric or electro-hydraulic proportional control valves, and short-range flexible hoses for connecting the fire extinguishing agent (water, foam, or dry powder, etc.) delivered from the ground or refuge floor. To enable continuous operation in ultra-high-rise buildings, the drone is preferably a tethered drone, meaning it is connected to a tethered power supply and control system located in the refuge floor or inside the building via a tether cable, thereby obtaining uninterrupted power and communication signals. Simultaneously, the drone also needs to tow a fire hose for fire extinguishing agent delivery. To reduce the drone's weight, the tether cable and fire hose can be integrated into a composite conduit, or they can be separate but secured at intervals with cable ties. The drone flight controller has a built-in high-precision inertial navigation module (IMU), global positioning system (GPS) or Beidou positioning module, as well as a visual recognition module, for automatic or semi-automatic flight to the firefighting operation location.

[0030] Furthermore, the command and communication system serves as the control center of the entire fire suppression system. It controls the extension / retraction of mobile take-off and landing platforms, the take-off / flight / landing of drones, and coordinates with other subsystems (energy, mooring cables, extinguishing agent supply). This command and communication system can be deployed on the floor where the system is located (e.g., a refuge floor), or, depending on the communication method, on the ground floor of the building or in the fire control center. Specifically, the command and communication system includes control and management equipment, display equipment, and communication equipment. The control and management equipment can be an industrial computer or embedded controller with integrated dedicated control software, responsible for sending control commands, processing sensor feedback data, and performing logical operations.

[0031] Communication equipment is used to establish bidirectional communication links between subsystems, and can employ wired Ethernet, fiber optics, Wi-Fi, or 4G / 5G communication methods. Considering the complex electromagnetic environment at fire scenes, a combination of wired fiber optics and wireless redundancy backup is preferred. Display equipment is used to provide real-time visualization of the operating parameters of each subsystem (such as drone altitude, heading, battery level, mooring cable tension, extinguishing agent pressure, platform status, etc.) and images of the working environment transmitted from airborne or external monitoring equipment. Operators can monitor the system's operating status through the display equipment, manually intervene in the firefighting process by controlling the management equipment, or select a fully automatic mode for the system to autonomously complete the firefighting process according to preset logic.

[0032] Based on the above embodiments, in order to further improve the system's security, energy self-sufficiency and operational reliability, the present invention also provides several preferred embodiments.

[0033] In a preferred embodiment, the system is preferably deployed in a refuge floor of a high-rise building. The refuge floor itself has an independent fire compartment, a reliable smoke extraction system, access to fire elevators, and ample refuge space. Placing the drone fire suppression system within the refuge floor allows for spatial isolation and storage using the building's existing fire safety barriers, ensuring that even if the system malfunctions or catches fire accidentally, it will not endanger other floors within the building. Simultaneously, the refuge floor typically has a backup power interface connected to the building's electrical system, facilitating power supply. During actual installation, the system's control cabinet, cable management box, and extinguishing agent storage tank can be fixedly installed in a dedicated equipment room on the refuge floor, while the mobile take-off and landing platform is installed at an opening in the exterior wall of the refuge floor.

[0034] In a preferred embodiment, the system further includes an energy supply system. To meet the demands of prolonged, high-power firefighting operations, the energy supply system does not rely on the drone's onboard battery, but instead employs one or more combinations of the following three forms: 1) Directly utilize the building's mains power distribution, and provide high-voltage DC power (such as 380V DC or 600V DC) to the tethered drone through transformers, rectifiers and voltage regulators, thereby reducing cable transmission loss; 2) Use an energy storage system with battery packs (such as lithium iron phosphate battery packs) as the main body to serve as a backup or supplementary power source when the mains power is interrupted or the power is insufficient; 3) Generator sets powered by fossil fuels (diesel, gasoline, or natural gas) are suitable for independent deployment scenarios completely disconnected from mains power. In tethered drone solutions, the energy supply system also includes a dedicated tethered power module, which converts the input AC or DC power to the voltage level required by the drone and transmits it to the drone via a tether cable.

[0035] In a preferred embodiment, the mobile take-off and landing platform adopts a folding structure, meaning the platform consists of multiple panels connected by hinges, which can be unfolded or retracted like a folding fan under the drive of a motor. In another specific embodiment, the platform adopts a sliding rail structure, meaning the platform body is mounted on multiple telescopic rails, and is pushed horizontally to extend or retract by an electric screw or hydraulic cylinder. Regardless of the structure, the platform should have a position locking mechanism that automatically locks after full extension to prevent retraction under the impact of UAV take-off and landing or strong winds.

[0036] In a preferred embodiment, the system further includes a tethered cable system and a fire suppression system. The tethered cable system includes an automatic cable retraction motor, a cable tension sensor, and a control system. When the drone takes off or lands, the automatic cable retraction motor automatically releases or retracts the cable based on changes in the drone's altitude and the real-time tension of the tethered cable, ensuring the cable is always under appropriate tension to prevent entanglement of the drone's rotor due to excessive slack or downward interference due to excessive tightness. The fire suppression system includes a fire hose retraction device, a fire extinguishing agent storage container (such as a water tank or foam tank), and a booster pump assembly. The fire hose retraction device also uses an automatic retraction motor control and operates synchronously with the tethered cable system to prevent the hose and cable from tangling or experiencing uneven stress. The fire extinguishing agent supply is centrally controlled by a command and communication system, which activates the booster pump and adjusts the outlet pressure and flow rate based on the drone's spray command.

[0037] In a preferred embodiment, the command and communication system offers the following detailed functions: In addition to basic start / stop control, it also features advanced collaborative scheduling capabilities. Specifically, through a two-way communication link established by the communication equipment, the control and management equipment can logically correlate and synchronously schedule the UAV's real-time flight trajectory (including altitude, horizontal position, and speed), extinguishing agent supply pressure (obtained from feedback from the fire extinguishing system), and energy consumption status (obtained from the energy supply system). For example, when the UAV is moving horizontally, the system can automatically reduce the extinguishing agent pumping pressure to avoid hose drag affecting maneuverability; when the UAV hovers and aims at the fire source, it restores the pressure to the rated pressure for spraying. The display device can simultaneously display the operating parameters of multiple subsystems and present real-time images from the UAV's onboard camera and building monitoring equipment in a picture-in-picture overlay manner, thereby achieving closed-loop control of the entire fire extinguishing process.

[0038] In a preferred embodiment, the airborne spraying system configured on the UAV is mounted as a mission payload below or in front of the UAV. This spraying system may be equipped with rotatable nozzles, enabling the spray direction to be adjusted without turning the UAV itself, thus covering a wider firefighting area. A flow meter and pressure sensor may be installed at the nozzle tip to provide real-time feedback of spraying parameters to the command and communication system.

[0039] In a preferred embodiment, the system also includes independent monitoring equipment, such as high-definition infrared thermal imaging cameras installed at different heights on the building facade, or video equipment carried by another reconnaissance drone. The monitoring equipment is used to acquire image information and temperature field distribution of the firefighting operation points in real time, and transmit this information to the command and communication system to assist operators in judging the fire spread trend and firefighting effect, thereby adjusting the drone's operating position or spraying strategy in a timely manner.

[0040] The following describes the high-rise building drone fire extinguishing method provided by the embodiments of the present invention. The high-rise building drone fire extinguishing method described below corresponds to the high-rise building drone fire extinguishing system described above.

[0041] This invention provides a method for fire suppression using unmanned aerial vehicles (UAVs) in high-rise buildings, applicable to UAV fire suppression systems deployed inside buildings. See [link to relevant documentation]. Figure 2 ,include: 201. In response to a fire signal, control the mobile lifting platform to extend from inside the building to the outside of the building.

[0042] When a fire detector or manual alarm triggers a fire signal, the command and communication system immediately activates. First, it powers on the energy supply system to provide power to the entire system. Then, it issues commands to drive the motors of the mobile take-off and landing platform, extending the platform from inside the building to the outside and locking it in place. At this point, the platform is in a ready-to-takeoff state.

[0043] 202. Control the drone to take off from the mobile take-off and landing platform and fly to the fire-fighting operation point to carry out fire-fighting operations.

[0044] The command and communication system sends a takeoff command to the drone, which then takes off vertically from the mobile takeoff and landing platform. Simultaneously, the tethering cable system and fire suppression system are activated: the automatic cable reel motor begins releasing the tethering cable according to the drone's takeoff speed, and the fire hose reel release device releases the fire hose, adjusting the release rate in real time via tension sensors to maintain the tension of the cable and hose within a preset, slightly taut range, avoiding additional drag or interference to the drone. Based on preset fire source location information (coordinates provided by the building fire alarm system or manually calibrated by the operator through the command and communication system), the drone autonomously plans its flight path, quickly arrives at the fire suppression operation location, and hovers.

[0045] Once the drone reaches its designated location, the command and communication system sends a start command to the fire suppression system. The pressurization pump begins operation, and the extinguishing agent is delivered to the drone's onboard spraying system via the fire hose. Simultaneously, the drone opens its spray control valve and begins spraying at the fire source. Throughout the fire suppression process, the command and communication system continuously monitors parameters such as the drone's flight status, the tension of the mooring cables and fire hoses, and the pressure and remaining amount of the extinguishing agent. It also automatically or manually adjusts the drone's position and spray direction as needed. Monitoring equipment transmits real-time images of the fire scene to assist operators in assessing changes in the fire's intensity.

[0046] 203. In response to the firefighting operation completion command, control the drone to land on the mobile take-off and landing platform, and control the mobile take-off and landing platform to return to the building.

[0047] Once the fire is extinguished or an external stop command is received, the command and communication system first shuts down the fire suppression system's pressurization pump and onboard spray valves, ceasing the supply of extinguishing agent. Then, the drone is controlled to shut down its spray devices and hover. The tethered cable system and fire suppression system switch to recovery mode, and the automatic cable retraction motor reverses, recovering the cables and hoses at a rate matching the drone's descent speed. The command and communication system sends a landing command, and the drone smoothly lands on the mobile landing platform. After landing confirmation, the system continues to recover the remaining cables and hoses, ultimately retracting the mobile landing platform from outside the building back inside, returning it to its convergent state. The system then re-enters standby mode, awaiting the next mission or maintenance checks.

[0048] In addition, prior to the step of responding to a fire signal, a system deployment step is included: placing the drone fire extinguishing system in an area with an independent fire compartment and smoke control system to achieve spatial isolation and storage of the drone fire extinguishing system.

[0049] Prior to the step of controlling the mobile take-off and landing platform to extend from the interior of the building to the exterior, an energy supply step is also included: activating the energy supply system and using mains power distribution, an energy storage system mainly composed of battery packs, or a generator set driven by fossil fuels to provide power to the drone firefighting system.

[0050] The step of controlling the mobile take-off and landing platform to extend from the interior of the building to the exterior of the building specifically includes: controlling the mobile take-off and landing platform to extend outside the building in a folding or sliding rail structure, and providing physical support for the take-off and landing of tethered drones through the mobile take-off and landing platform.

[0051] The steps of controlling the drone to take off from the mobile take-off and landing platform and fly to the fire-fighting operation point to carry out fire-fighting operations specifically include: controlling the drone to take off and fly to the fire-fighting operation point; simultaneously activating the tether cable system and the fire-fighting system, and adjusting the tension of the tether cable and the fire hose to avoid interfering with the flight control of the drone.

[0052] The steps of adjusting the tension of the mooring cable and the fire hose specifically include: controlling the tension of the mooring cable through an automatic cable retraction motor and its control system; and controlling the tension of the fire hose through a fire hose retraction system.

[0053] The steps for activating the fire extinguishing system specifically include: supplying fire extinguishing agents through a fire extinguishing agent storage and supply control system; and controlling the onboard spraying system of the UAV to perform the fire extinguishing agent spraying task.

[0054] The steps of responding to the fire extinguishing operation completion command, controlling the drone to land on the mobile landing platform, and controlling the mobile landing platform to retract into the building, specifically include: stopping the supply of extinguishing agent and shutting down the onboard spray system; synchronously recovering the fire hose and the mooring cable through the mooring cable system and the fire extinguishing system; controlling the drone to land on the mobile landing platform and controlling the mobile landing platform to retract into the building.

[0055] Building upon the aforementioned firefighting methods, the system-level collaborative control mechanism of this invention can also handle multiple special scenarios. For example, when a sudden increase in the tension of the mooring cable is detected (possibly due to a sudden change in wind speed or rapid ascent by the drone), the command and communication system immediately instructs the cable reel motor to accelerate the cable release speed, while simultaneously sending a brief hovering or deceleration command to the drone's flight controller until the tension returns to normal. As another example, when the extinguishing agent supply pressure is insufficient, the system can automatically switch to a booster pump powered by a backup energy storage system and adjust the drone's hovering altitude to shorten the hose length, thereby maintaining effective spraying. These collaborative control logics are all pre-configured in the control and management equipment of the command and communication system, ensuring a high degree of reliability and adaptability in the firefighting process.

[0056] Those skilled in the art should understand that the specific structures, parameters, and control methods described in the above embodiments are merely illustrative and not intended to limit the scope of protection of this invention. For example, in addition to folding and sliding rail types, the mobile take-off and landing platform can also be a roll-up type or a turntable extension type. The drone can also be a non-tethered, purely battery-powered type, in which case the tethered cable system can be eliminated, but the energy supply system can still provide a guarantee for the rapid charging or replacement of the drone battery. Furthermore, the extinguishing agent is not limited to water and foam; dry powder or gaseous extinguishing agents can be used for electrical fires. Any technical solution based on the concept of this invention that deploys the entire drone fire extinguishing system inside a high-rise building and utilizes a mobile take-off and landing platform to achieve high-altitude, rapid take-off and landing falls within the protection scope of this invention.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-rise building unmanned aerial vehicle (UAV) fire suppression system, deployed inside the building, characterized in that, include: A mobile take-off and landing platform for extending or converging between the interior and exterior of the building; Unmanned aerial vehicles (UAVs) are used to take off from the mobile take-off and landing platform and perform firefighting operations. as well as A command and communication system is used to control the operation of the mobile take-off and landing platform and the UAV.

2. The system according to claim 1, characterized in that, The system is deployed in the refuge floor of the high-rise building. The refuge floor includes independent fire compartments and smoke control systems for spatial isolation and storage of the system.

3. The system according to claim 1, characterized in that, It also includes an energy supply system, which uses mains power distribution, an energy storage system mainly composed of battery packs, or a generator set driven by fossil fuels to supply power to the system.

4. The system according to claim 1, characterized in that, The mobile take-off and landing platform is a folding structure or a sliding rail structure, used to provide physical support for the take-off and landing of the UAV.

5. The system according to claim 1, characterized in that, It also includes tethered cable systems and fire suppression systems; The tethering cable system includes an automatic take-up and release motor for controlling the tension of the tethering cable; The fire extinguishing system includes a fire hose reeling device for controlling the tension of the fire hose and supplying extinguishing agent.

6. The system according to claim 1, characterized in that, The command and communication system includes control and management equipment, display equipment, and communication equipment; The communication equipment establishes a two-way communication link between the subsystems, and the control and management equipment is used to logically associate and synchronously schedule the UAV flight trajectory, fire extinguishing agent supply pressure and energy consumption status. The display equipment is used to visualize the operating parameters and working environment of each subsystem in real time, so as to realize the closed-loop control of the entire fire extinguishing process.

7. The system according to claim 1, characterized in that, The UAV is equipped with an onboard jet system, which is mounted on the UAV as a mission payload.

8. The system according to any one of claims 1 to 7, characterized in that, The system also includes monitoring equipment for acquiring real-time image information of firefighting operation locations and transmitting it to the command and communication system.

9. A method for extinguishing fires in high-rise buildings using unmanned aerial vehicles (UAVs), characterized in that, The application of the high-rise building drone firefighting system according to any one of claims 1 to 8 includes the following steps: In response to a fire signal, the mobile take-off and landing platform is controlled to extend from inside the building to the outside of the building; The system controls the drone to take off from the mobile take-off and landing platform and fly to the fire-fighting operation point to carry out fire-fighting operations; in response to the fire-fighting operation completion command, the system controls the drone to land on the mobile take-off and landing platform and controls the mobile take-off and landing platform to return to the building.

10. The method according to claim 9, characterized in that, Prior to the step of responding to a fire signal, a system deployment step is also included: The drone fire extinguishing system is placed in an area with an independent fire compartment and smoke extraction system to achieve spatial isolation and storage of the drone fire extinguishing system.

Images