Heavy-load unmanned aerial vehicle for fire rescue

By designing heavy-duty drones that carry fire extinguishing materials and light gases, the problems of low fire extinguishing efficiency and difficult rescue in high-rise building fires have been solved, achieving efficient fire extinguishing and personnel rescue, and improving the safety and efficiency of fire rescue.

CN224013875UActive Publication Date: 2026-03-20NORTH CHINA INSTITUTE OF SCIENCE & TECHNOLOGY (NATIONAL SAFETY TRAINING CENTER OF COAL MINES)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing fire and rescue equipment faces challenges such as high operational difficulty, low fire extinguishing efficiency, and inability to conduct timely single-person rescues when dealing with high-rise building fires and complex fire scene environments.

Method used

A heavy-duty drone was designed to carry fire extinguishing materials and light gas. The fire extinguishing materials are released through nozzles, and the gas is released from a gas canister to provide pressure and increase the payload capacity. It is also equipped with a safety belt for rescue operations.

Benefits of technology

It improves firefighting efficiency, increases the payload capacity of drones, and enables the rescue of trapped personnel, provides real-time fire scene data, and ensures the successful completion of missions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a heavy-load unmanned aerial vehicle for fire rescue, and belongs to the technical field of unmanned aerial vehicles. In order to solve the problem that fire-fighting tasks on high floors are difficult, according to the scheme, the fire-fighting cabin mainly comprises a cabin body, fire-fighting substances and light gas are filled in the cabin body, a plurality of nozzles are arranged on the cabin body, and the nozzles are configured to enable the cabin body to release the fire-fighting substances; the power system comprises a motion system and a rack, the motion system is installed on the rack, and the unmanned aerial vehicle is fixedly connected with the cabin body through the rack; the gas tank is arranged in the cabin body, an electric valve is arranged on the gas tank, and the electric valve is configured to enable the gas tank to release the light gas; and the safety belt is fixed below the rack.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of unmanned plane, more particularly to a heavy load unmanned plane for fire rescue. BACKGROUND

[0002] The existing fire rescue equipment has many limitations when facing high-rise building fire, complex fire environment, such as difficult operation, low fire extinguishing efficiency, unable to rescue single person in time and other problems.Therefore, a new type of equipment is needed to overcome these shortcomings and improve the efficiency and safety of fire rescue. SUMMARY

[0003] In view of the above analysis, in order to solve the above problems, the utility model embodiment provides a heavy load unmanned plane for fire rescue, comprising:

[0004] The cabin is filled with fire extinguishing substances and light gases, a plurality of nozzles are provided on the cabin, and the nozzles are configured to enable the cabin to release the fire extinguishing substances;

[0005] The power system includes a motion system and a frame, the motion system is installed on the frame, and the unmanned plane is fixedly connected with the cabin through the frame;

[0006] The gas tank is provided in the cabin, and an electric valve is provided on the gas tank, which is configured to enable the gas tank to release the light gas;

[0007] The safety belt is fixed below the frame.

[0008] In some embodiments, the cabin is in the shape of a ring, and the power system is provided in the center of the ring.

[0009] In some embodiments, the cabin has a first cavity and a second cavity divided by an elastic diaphragm, and the first cavity is located outside or below the second cavity;

[0010] The first cavity is filled with the light gas and the fire extinguishing substances, and the second cavity is filled with the light gas.

[0011] In some embodiments, the gas tank is located in the second cavity, and the nozzles are connected with the first cavity.

[0012] In some embodiments, the motion system includes a plurality of rotors and a motion driving module connected with the rotors, the motion driving module is provided at the bottom of the frame, the frame is provided with a protection hole corresponding to the rotors, and the rotors are located in the protection hole.

[0013] In some embodiments, the motion driving module is internally provided with a cooling system, the cooling system comprising a liquid carbon dioxide storage device and a temperature sensor, the liquid carbon dioxide storage device and the temperature sensor being in the motion driving module, the liquid carbon dioxide storage device being configured to release liquid carbon dioxide when the temperature detected by the temperature sensor is greater than a set threshold.

[0014] In some embodiments, the fire extinguishing substance comprises any one of water, foam, halide extinguishing agent or dry powder extinguishing agent, and the light gas comprises helium.

[0015] In some embodiments, the cabin and the motion system surface are both covered with a high-temperature-resistant material.

[0016] In some embodiments, a camera is further included, and the camera is arranged at the lower end of the power system.

[0017] The embodiments of the utility model have at least the following beneficial effects:

[0018] The utility model discloses an unmanned plane provided with a cabin storing light gas and fire extinguishing substance, and a gas tank is arranged in the cabin, on one hand, when the unmanned plane reaches a fire point position, the nozzle on the cabin can be opened to release the fire extinguishing substance to extinguish the fire, and the gas tank releases gas to provide release pressure. On the other hand, the light gas in the cabin can provide the unmanned plane with ascending buoyancy, and the load capacity of the unmanned plane is increased. The unmanned plane provided by the utility model further improves the load capacity after releasing the fire extinguishing substance, and can rescue personnel trapped in the fire through the safety belt. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0020] Figure 1 A heavy load unmanned plane for fire rescue is provided in the embodiments of the utility model, and a perspective view is shown in the figure.

[0021] Figure 2 A front view of the embodiment of the utility model is shown in the figure.

[0022] Figure 3 A top view of the embodiment of the utility model is shown in the figure.

[0023] Reference signs:

[0024] 1, cabin body; 11, nozzle; 12, first cavity; 13, second cavity; 2, power system; 21, movement system; 211, drive module; 212, rotor; 22, frame; 3, safety belt; 31, fixed belt. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. It should be noted that the embodiments in the present disclosure and the features in the embodiments can be combined, separated, interchanged and / or rearranged without conflict. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0026] The terms used herein are for the purpose of describing specific embodiments and are not intended to be limiting. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, to the extent that the terms "including," "includes," "having," "has," "a," "an," "the," and / or " comprises," "comprising," are used in this specification, such terms are specifically intended to be inclusive in a manner similar to that of the terms "comprising," "comprises" and "including," "includes" when used in the specification, it is noted that, as used in this specification, the terms "substantial," "approximately," and other similar terms are used as terms of approximation and not as terms of degree, as such, they are used to account for the inherent deviations in a measuring, calculating, and / or providing value that would be recognized by those of ordinary skill in the art.

[0027] The present disclosure will be described below through several specific embodiments. In order to keep the following description of the embodiments of the present application clear and concise, the present application omits the detailed description of known functions and known components. Please refer to Figure 1 、 Figure 2 and Figure 3 The embodiments of the present application provide a heavy-load unmanned aerial vehicle for fire rescue, comprising:

[0028] A cabin body 1 is filled with fire extinguishing substances and light gases, a plurality of nozzles 11 are provided on the cabin body 1, and the nozzles 11 are configured to enable the cabin body 1 to release the fire extinguishing substances;

[0029] A power system 2, comprising a motion system 21 and a frame 22, the motion system 21 is installed on the frame 22, the unmanned aerial vehicle is fixedly connected with the cabin 1 through the frame 22;

[0030] A gas tank (not shown in the figure) is arranged in the cabin 1, and an electric valve is arranged on the gas tank, and the electric valve is configured to enable the gas tank to release the light gas;

[0031] A safety belt 3 is fixed below the frame 22;

[0032] A gas pressure sensor (not shown in the figure) is arranged for detecting the gas pressure in the cabin 1; and

[0033] A controller is in communication connection with the power system 2, the nozzle 11, the gas tank and the gas pressure sensor respectively;

[0034] The controller is configured to: when the nozzle 11 is closed, if the gas pressure value detected by the gas pressure sensor is less than a first preset threshold value, the electric valve is opened until the gas pressure value is greater than or equal to the first preset threshold value; when the nozzle 11 is opened, if the gas pressure value detected by the gas pressure sensor is less than a second preset threshold value, the electric valve is opened so that the gas pressure value is greater than the second preset threshold value.

[0035] The embodiment of the utility model provides a cabin 1 for storing light gas and fire extinguishing substances on the unmanned aerial vehicle, and a gas tank is arranged in the cabin 1, on the one hand, when the unmanned aerial vehicle reaches the fire point position, the nozzle 11 on the cabin 1 can be opened to release the fire extinguishing substances to extinguish the fire, and the gas tank is used to release the gas to provide release pressure. On the other hand, the light gas in the cabin 1 can provide the unmanned aerial vehicle with lifting buoyancy, and the load-carrying capacity of the unmanned aerial vehicle is increased. The unmanned aerial vehicle provided by the utility model further improves the load-carrying capacity after releasing the fire extinguishing substances, and the personnel trapped in the fire scene can be rescued through the safety belt 3.

[0036] Preferably, the control system comprises a remote control function and a wireless communication module, realizing real-time data transmission and control instruction receiving between the unmanned aerial vehicle and the ground control center. The control system can automatically avoid obstacles and stably fly in complex environments, and through efficient obstacle detection and avoidance technology, the task can be ensured to be completed smoothly. The system also supports the autonomous flight mode of the unmanned aerial vehicle, which can automatically operate according to the preset path and task requirements.

[0037] In addition, the gas pressure in the cabin 1 can be controlled by the controller according to the gas pressure value of the gas pressure sensor, sufficient pressure can be provided for the release of the fire extinguishing substances, and at the same time, the deformation of the cabin 1 due to low pressure can be avoided, and the structure is damaged.

[0038] In some embodiments, a device area is also included: for installing various necessary devices, including high-definition cameras, thermal imaging cameras, gas sensors, and communication devices, etc. These devices can monitor the fire scene in real time, detect the fire source and hot spots, and transmit data back to the ground control center, helping firefighters make quick and accurate decisions.

[0039] In some embodiments, the safety belt 3 is made of high-strength heat-resistant material and can withstand high temperatures and other harsh conditions in the fire scene. The harness device includes a quick lock and adjustment mechanism to ensure that trapped personnel can be quickly and safely secured and rescued. The safety belt 3 is arranged below the power system 2 by the fixing belt 31.

[0040] In some embodiments, the cabin 1 is in the shape of a ring, and the power system 2 is arranged in the center of the ring.

[0041] In some embodiments, the cabin 1 is connected and fixed to the rack 22 by a suspension cable structure, the upper side and the lower side of the cabin 1 are both provided with a plurality of perforations arranged in a ring shape; the rack 22 is in the shape of a disc, and the rack 22 is provided with a plurality of fixing holes arranged in a ring shape; the suspension cable structure includes a plurality of suspension ropes and a connecting buckle connected to both ends of each suspension rope; each perforation corresponds to a suspension rope; the middle part of the suspension rope passes through the perforation, and the two connecting buckles at both ends are buckled in two adjacent fixing holes. In this way, the unmanned aerial vehicle is firmly fixed in the center of the cabin 1, and the overall structure is light and stable.

[0042] In some embodiments, the cabin 1 is internally provided with a first cavity 12 and a second cavity 13 divided by an elastic diaphragm, the first cavity 12 is located below the second cavity 13, as shown in Figure 2 or the first cavity 12 is located outside the second cavity 13, as shown in Figure 3 .

[0043] The first cavity 12 is filled with the light gas and the fire extinguishing substance, and the second cavity 13 is filled with the light gas.

[0044] Dividing the cabin 1 into the first cavity 12 and the second cavity 13 is conducive to ensuring the continuity of the output of the fire extinguishing substance, and avoiding the decrease in the density of the subsequent release of the fire extinguishing substance due to the increase and decrease of the fire extinguishing substance and the light gas.

[0045] In some embodiments, the gas tank is located in the second cavity 13, and the nozzle 11 is connected to the first cavity 12.

[0046] In some embodiments, the motion system 21 includes a plurality of rotors 212 and a motion drive module 211 connected to the rotors 212, the motion drive module 211 is arranged at the bottom of the frame 22, the frame 22 is provided with protective holes corresponding to the rotors 212, and the rotors 212 are located in the protective holes. The material of the rotors 212 is a lightweight and high-strength material, such as carbon fiber or composite material, to ensure high thrust and low energy consumption. The rotors 212 are installed in these protective holes, which can provide sufficient air flow space and protect the rotors 212 from impact or debris interference in the external environment. This design ensures that the rotors 212 can work efficiently and stably during the operation of the platform.

[0047] In some embodiments, the motion drive module 211 is internally provided with a cooling system, the cooling system includes a liquid carbon dioxide storage device and a temperature sensor, the liquid carbon dioxide storage device and the temperature sensor are arranged in the motion drive module 211, and the liquid carbon dioxide storage device is configured to release liquid carbon dioxide when the temperature detected by the temperature sensor is greater than a set threshold. The internal temperature is reduced by evaporating CO2 gas to ensure stable operation of the system under extreme temperature conditions.

[0048] In some embodiments, the fire extinguishing substance includes one of water, foam, halide extinguishing agent or dry powder extinguishing agent, and the light gas includes helium.

[0049] In some embodiments, the cabin 1 and the motion system 21 are both covered with high-temperature-resistant materials. The overall material of the unmanned aerial vehicle has high-temperature-resistant and corrosion-resistant properties, and can work normally in a high-temperature fire environment. The material includes polyimide aerogel and glass fiber shell, and is coated with a super-reflective aluminum layer to reflect heat and protect internal precision electronic components.

[0050] In some embodiments, a camera is further included, which is arranged at the lower end of the power system 2.

[0051] The unmanned aerial vehicle is equipped with advanced sensor technology, including a thermal imaging camera and a gas detection sensor, which can detect hot spots, smoke and harmful gases in the fire scene in real time, provide key on-site information, and assist firefighters in effective fire extinguishing and rescue. The thermal imaging camera can penetrate smoke to provide clear images of the fire scene, and the gas detection sensor can identify toxic and harmful gases that may exist in the fire scene to provide timely warning information for firefighters.

[0052] Those skilled in the art should further appreciate that the elements and algorithms described in connection with the examples disclosed herein can be embodied in electronic hardware, computer software, or in combinations of both. To clearly illustrate this interchangeability of hardware and software, various examples have been described herein in terms of their general functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans can implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

[0053] The steps of a method or algorithm described in connection with the examples disclosed herein can be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module can reside in random access memory (RAM), flash memory, read-only memory (ROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.

[0054] The above description is only a specific implementation of the present application. It should be understood that the above description is only a specific implementation of the present application and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of the present application.

Claims

1. A heavy-duty unmanned aerial vehicle (UAV) for fire and rescue applications, characterized in that, include: A cabin, the interior of which is filled with fire extinguishing material and light gas, and the cabin is equipped with multiple nozzles configured to allow the cabin to release the fire extinguishing material; The power system includes a motion system and a frame, wherein the motion system is mounted on the frame and is fixedly connected to the cabin via the frame; A gas cylinder, located inside the cabin, is equipped with an electric valve configured to allow the gas cylinder to release the light gas. Safety belts are secured to the underside of the frame; A pressure sensor is used to detect the air pressure inside the cabin; The controller is communicatively connected to the power system, the nozzle, the gas tank, and the pressure sensor, respectively.

2. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: The cabin is ring-shaped, and the power system is located in the center of the ring.

3. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: The cabin has a first cavity and a second cavity divided by an elastic diaphragm, with the first cavity located outside or below the second cavity; The first cavity is filled with the light gas and the fire extinguishing substance, and the second cavity is filled with the light gas.

4. The heavy-duty UAV for fire rescue as described in claim 3, characterized in that: The gas cylinder is located in the second cavity, and the nozzle is connected to the first cavity.

5. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: The motion system includes several rotors and a motion drive module connected to the rotors. The motion drive module is located at the bottom of the frame. The frame has protective holes corresponding to the rotors, and the rotors are located in the protective holes.

6. The heavy-duty UAV for fire rescue as described in claim 5, characterized in that: The motion drive module is equipped with a cooling system, which includes a liquid carbon dioxide storage device and a temperature sensor. Both the liquid carbon dioxide storage device and the temperature sensor are located within the motion drive module. The liquid carbon dioxide storage device is configured to release liquid carbon dioxide when the temperature detected by the temperature sensor is greater than a set threshold.

7. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: The extinguishing agent includes any one of water, foam, halogenated extinguishing agent or dry powder extinguishing agent, and the light gas includes helium.

8. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: The surfaces of both the cabin and the motion system are covered with high-temperature resistant materials.

9. The heavy-duty UAV for fire rescue as described in claim 1, characterized in that: It also includes a camera, which is located at the lower end of the power system.