339 results about "Vehicle fire" patented technology

The invention provides a new energy automobile fire dynamic risk assessment method and system based on multi-modal spatial-temporal feature fusion. The new energy automobile safety monitoring and fault early warning method comprises the steps that a multi-source data acquisition layer obtains multi-source heterogeneous data, and space-time marking is carried out; the feature fusion preprocessing layer generates a space-time consistency data stream through a space-time alignment module and missing value filling; the deep learning evaluation layer extracts multi-modal features by using a dedicated network, and outputs feature scores through time-space dependence modeling fusion; and the dynamic early warning decision-making layer generates a dynamic risk score in combination with the thermal runaway probability, the risk gradient and the aging factor, constructs a five-level risk map and executes vehicle-cloud collaborative graded early warning. According to the new energy automobile fire dynamic risk assessment method and system based on multi-modal spatial-temporal feature fusion, the limitation of traditional single data static assessment is broken through, accurate dynamic early warning is achieved, the early warning time is longer than or equal to 15 min, the false alarm rate is reduced to 4.7%, and the thermal runaway prediction accuracy rate reaches 98.3%.

The invention relates to the technical field of fire extinguishing control, in particular to an unmanned aerial vehicle fire extinguishing control method and system. The method comprises the following steps: carrying out hot-flow wind field real-time data acquisition on a high-rise building fire scene through a sensor carried on an unmanned aerial vehicle, carrying out approaching hot-flow wind field intensity difference analysis, and then carrying out unmanned aerial vehicle flight attitude instability numerical value quantification to obtain flight attitude instability numerical value quantification data; time-varying attitude spraying strategy adjustment is carried out according to the flight attitude instability numerical value quantization data, and a time-varying attitude spraying adjustment strategy is obtained; building a fire extinguishing spraying control model for the time-varying attitude spraying adjustment strategy based on a strategy gradient algorithm to obtain a fire extinguishing spraying control model; and sending the fire extinguishing spraying control model to the terminal. The fire extinguishing control technology is optimized, so that the fire extinguishing control technology is more perfect.

The invention relates to the technical field of bridge safety, and discloses a cable system bridge fire risk assessment method, system, equipment and medium, which considers the influence of weather factors and road linetype factors on the increase probability of fire accidents, is based on collision accident fire and vehicle spontaneous combustion fire, and fuses the risk probability and risk consequence analysis to obtain a risk risk assessment result. Obtaining the probability that each part of the cable system bridge to be evaluated is influenced by various vehicle fire disasters, and obtaining the fire risk consequence of the parts of the cable system bridge to be evaluated under the vulnerability of the bridge structure caused by different types of vehicle fire disasters when the parts of the cable system bridge to be evaluated have / do not have fire prevention measures in combination with the structural damage and the social economic influence; therefore, the fire risk level of each component of the cable system bridge to be evaluated is obtained, and the highest risk of the most unfavorable component is taken as the fire risk level of the cable system bridge to be evaluated. The method has important guiding significance for cable system bridge fire risk assessment, fire prevention measure design and protection countermeasure formulation.

The invention relates to the field of tunnel fire prediction, in particular to a new energy vehicle fire early warning method and system in a tunnel. The method comprises the following steps: identifying a new energy vehicle entering a tunnel by using a YOLOv8 model, and obtaining a visible light image, a thermal imaging image and millimeter wave radar point cloud data of the new energy vehicle; a multi-target tracking algorithm is introduced, target tracking is conducted on the new energy vehicles, the battery temperature of each new energy vehicle is calculated in combination with tunnel environment data, space-time synchronous calibration is conducted on collected data, and then the motion trails of the new energy vehicles are calculated; time synchronization calibration is conducted on the movement track and the battery temperature, and the battery temperature gradient of the new energy vehicle is calculated according to the result obtained after time synchronization calibration; and predicting and alarming the tunnel fire according to the battery temperature gradient. The problem that in the prior art, fire early warning for the new energy vehicle in the tunnel is lacked is solved, and tunnel operation safety is improved.

The application provides a large-span bridge substructure vehicle-fire wind force real-time hybrid test platform and implementation method, the platform comprises a physical loading and transmission system, a T-shaped wind-fire coupling simulation system, a modularized prying integrated system, an intelligent control and calculation system and a multi-dimensional high-precision monitoring system. The method realizes real-time pre-test of the boundary displacement / force of the test piece through the construction of a numerical substructure fast calculation model based on LSTM and converts the boundary displacement / force into a loading instruction to drive the through core jack to realize thermal force coupling interactive loading; the T-shaped wind-fire coupling simulation system reproduces the real vehicle fire scene under the influence of the environmental wind. The test platform supports independent loading of any component of the cable system, can execute open space self-defined fire test and closed space standard fire test, and accurately analyzes the cable failure mode, critical temperature threshold and damage evolution law under fire through the multi-dimensional high-precision monitoring system, thereby providing a high-fidelity test platform and analysis method for fire resistance design of large-span bridges.

The invention relates to an unmanned aerial vehicle fire source positioning technical method. An unmanned aerial vehicle collects fire data through a thermal infrared imager, a camera and an airflow and CO2 sensor. The infrared sensor helps to identify a fire source in a low-visibility environment, and the visual SLAM technology supports positioning and fire source identification; the airflow sensor analyzes fire source diffusion, and the CO2 sensor provides a positioning clue. The Kalman filtering algorithm optimizes multi-sensor data, reduces errors and improves the fire source positioning precision. The CNN algorithm automatically identifies fire source features and calculates the position of a fire source in combination with sensor data. Therefore, the system can be widely applied to the field of fire monitoring and emergency response.

The invention relates to the technical field of new energy vehicle fire extinguishing, in particular to a new energy vehicle fire extinguishing device. Comprising a rectangular substrate; the substrate is basalt fiber cloth; the silica gel coating is coated on the surface of the basalt fiber cloth; the basalt woven water hose is of a tubular structure woven by basaltic fiber yarns, and the basalt woven water hose is fixed on the surface of the basaltic fiber cloth; a water inlet is at least formed in the short edge side of the base of the fiber woven water hose; a plurality of spraying holes; the spraying holes are formed in the surface of the basalt woven water bag at intervals. When a fire happens to the new energy vehicle, the new energy vehicle can be rapidly put into fire extinguishing, and the effects of rapidly and continuously cooling the burning vehicle and isolating air for fire extinguishing are achieved. Meanwhile, burning vehicles can be isolated, and fire is prevented from spreading to ignite other vehicles and combustible materials.

The invention provides a multi-unmanned aerial vehicle swarm collaborative fire extinguishing planning method for forest early fire, which comprises the following steps: step 1, constructing a multi-unmanned aerial vehicle fire point collaborative search method based on information driving, and enabling unmanned aerial vehicles to carry out fire point search on a possible fire area under the driving of temperature gradient change; 2, on the basis of the ignition point theory and the energy conservation criterion, the critical water flow needed by each fire point is calculated, and a fire extinguishing model is constructed to accurately calculate the fire extinguishing agent load needed by fire extinguishing; and 3, on the basis of the fire extinguishing agent load obtained through calculation, a multi-unmanned aerial vehicle group collaborative fire extinguishing model considering resource limitation is constructed in combination with an emergency bid invitation algorithm. According to the method, the task completion time can be effectively shortened, the response to the fire spreading dynamic characteristics and the efficient integration of the unmanned aerial vehicle resources are realized, the fire extinguishing task completion efficiency under the resource limitation condition is ensured, and the task efficiency and the fire suppression effect are improved.

In one embodiment, a vehicle fire protection system and method therefor determines the combustion oxygen demand for the interior and / or the various enclosed parts of the vehicle, detects a current amount of oxygen in the interior and / or the enclosed parts, and if the current amount of oxygen is greater than the combustion oxygen demand, supplies a gas for venting the oxygen from the interior of the vehicle and / or the enclosed parts to the exterior of the vehicle, wherein the vehicle fire protection system and method are capable of preventing a vehicle fire by adjusting the amount of oxygen in an interior of a vehicle and / or various enclosed parts of the vehicle to be less than the combustion oxygen demand that can cause a combustion reaction.

The invention relates to the technical field of fire source positioning path planning, in particular to an unmanned aerial vehicle fire source point positioning path planning method based on machine learning. Comprising the following steps: firstly, acquiring a suspected fire source estimated position of a mountain forest, and establishing a fire source attraction vector field according to position information and environment information of a suspected fire source area; secondly, generating an accurate initial fire source search path according to influence information in the fire source vector field; in the searching process, a fire source point recognition model is adopted, the model carries out learning from multi-dimensional features according to image information and numerical information, the accuracy of fire source recognition is improved, and the position of a fire source can be adjusted according to a recognition result; and finally, establishing an obstacle repulsion field by using obstacle information of the mountain forest, and combining the obstacle repulsion field with the fire source attraction vector field to form a total influence vector field optimization search path. According to the method, the accuracy of unmanned aerial vehicle fire source point positioning path planning is improved.

The utility model discloses a fire insulation and extinguishment integrated mobile device, which relates to the technical field of vehicle fire extinguishment, and comprises a base channel steel and a front fire insulation plate, and the mobile device consisting of the front fire insulation plate and a side fire insulation plate can encircle a vehicle on fire from three sides, so that the fire of the vehicle on fire is prevented from spreading to vehicles which are not on fire beside; the utility model innovatively provides a novel device for preventing fire from spreading by inserting a movable fire insulation plate between a fire vehicle and a non-fire vehicle. The utility model innovatively provides a device for preventing automobile combustion flames from diffusing to the periphery by utilizing a movable U-shaped combined fire insulation plate, and the fire insulation and extinguishment moving device can be operated by a single person, saves manpower, and is low in manufacturing cost and high in fire insulation efficiency; the fire extinguishing pipe network on the moving device is closer to the on-fire vehicle to continuously spray the fire extinguishing agent, the fire extinguishing effect is better, fire fighting water can be externally connected to the moving device, holes can be formed so that fire fighters can approach the on-fire vehicle to water the on-fire vehicle conveniently, and safety and efficiency are achieved.

The utility model relates to a soaking type electric automobile fire extinguishing device, which relates to the technical field of new energy automobile fire extinguishing devices, and comprises a water storage fence, the water storage fence covers the periphery of an automobile body, and a fire extinguishing space for storing water is formed between the water storage fence and the automobile body. When the battery pack is on fire, the water storage fence encloses and covers the periphery of the vehicle body, then fire-fighting water is sprayed into the fire extinguishing space to extinguish open fire, and the fire-fighting water is blocked by the water storage fence and then is accumulated in the fire extinguishing space, so that water immersion type fire extinguishing of the battery pack is realized; and the fire fighting water cools the battery pack and blocks heat diffusion, so that vehicle re-combustion caused by secondary thermal runaway of the power battery is avoided, and the fire extinguishing effect on the electric vehicle is improved.

The invention belongs to the technical field of fire early warning and fire extinguishing, and particularly relates to an early warning and fire extinguishing system and method for an electric vehicle in an underground garage, and the system comprises a buried fire monitoring and fire extinguishing system which is buried below a parking space; the fire extinguishing system control host is electrically connected with the buried fire monitoring and fire extinguishing system; the infrared correlation sensor is electrically connected with the fire extinguishing system control host, and the infrared correlation sensor is used for detecting the position of a vehicle; the alarm is electrically connected with the fire extinguishing system control host; the buried fire monitoring and fire extinguishing system is used for identifying a vehicle fire and extinguishing fire, and the host is controlled by the fire extinguishing system to enable the alarm to give an alarm; the buried fire monitoring and extinguishing system comprises a temperature detection module used for detecting the temperature of a battery at the bottom of a vehicle; the gas monitoring device is used for collecting and detecting air at a battery at the bottom of the vehicle, and the gas monitoring device is used for detecting and identifying gas concentration; the fire extinguishing part is used for spraying a fire extinguishing agent when the vehicle is on fire.

An apparatus detects a fire in a space. The apparatus contains a smoke detector with a test chamber, at least one air inlet and at least one air outlet. The apparatus further has at least one device, that is connected to the at least one air outlet, for generating a suction for air from the air outlet so that air is suctioned from the space through the air inlet into the test chamber and discharged through the air outlet. The apparatus is configured for use in a vehicle including passenger transportation vehicles.

The invention belongs to the technical field of unmanned aerial vehicle fire extinguishing, particularly relates to a special unmanned aerial vehicle rapid water taking device for fire rescue, and aims at solving the problem that an existing unmanned aerial vehicle cannot achieve rapid water taking. Two water spraying tanks are mounted at the bottom of the storage case, a traction assembly is mounted at the top position in the storage case and comprises two symmetrically mounted traction rope rollers, traction ropes are wound in the traction rope rollers, and water taking tanks are hung at the bottoms of the two traction ropes; a water taking tank hanging spring is fixed to the top of the water taking tank, and the traction rope is fixed to a disc on the top of the water taking tank hanging spring. During water drainage and fire extinguishment, the lifting screw rod controls lifting of the lifting ring, angle adjustment of the nine water drainage swing blocks is achieved, the angle of water drained from the top during fire extinguishment can be adjusted, and the fire extinguishment area is adjusted according to the size of a fire.

The invention provides a control method of a new energy vehicle charging and parking area automatic fire extinguishing system, the method is applied to a new energy vehicle parking space automatic fire extinguishing system, and the new energy vehicle parking space automatic fire extinguishing system is provided with a vehicle bottom fire detector and a fire extinguishing module at each parking space; the control method comprises the following steps: acquiring a detection signal acquired by a vehicle bottom fire detector of each parking space in real time; when it is judged that the detection signal is a fire detection signal, determining a parking space where a current fire is located, an alarm grade and a fire extinguishing strategy according to the fire detection signal; according to the alarm grade and the fire extinguishing strategy, linkage alarm is carried out, and the fire detection signal is converted into a corresponding fire extinguishing control signal; and according to the fire extinguishing control signal, controlling the fire extinguishing module of the parking space where the current fire is located to perform automatic zoning fire extinguishing. Precise fire monitoring and zoning fire extinguishing of the new energy vehicle parking space are achieved, the fire extinguishing efficiency and effect are improved, and the property safety of a vehicle owner and public equipment is ensured.

The present invention relates to a fire suppression arrangement for suppressing a fire on a vehicle in a fire containment zone. The fire suppression arrangement includes a base defining a platform onto which a vehicle can be driven. The base is transportable and mobile. The base includes wet compartments for storage of fire extinguishing agent. An erectable enclosure is dispersed around the platform. The erectable enclosure is capable of moving between a stowed condition in which a vehicle is movable onto the base and an enclosing condition in which the erectable enclosure contains fire extinguishing agent around the vehicle to put out a vehicle fire in use. A fire extinguishing agent distribution system is also provided for dispensing fire extinguishing agent from the wet compartments onto the vehicle in the event of a fire. The fire extinguishing agent can also be drained and recycled.

The invention relates to the technical field of vehicle fire prevention, and particularly discloses a parking lot vehicle fire prevention isolation device which comprises a multi-section telescopic mechanism, the multi-section telescopic mechanism comprises a fixed pipe and a plurality of telescopic pipe fittings with different diameters, the fixed pipe is provided with a first notch and two first tooth grooves, and the first notch is communicated with the telescopic pipe fittings; the two first tooth grooves are connected with the inner side of the fixed pipe, each shrinkage pipe fitting is provided with two second notches and two second tooth grooves; the steel wire rope winch comprises a handle, a driving gear, a driven gear and three base discs with different diameters, the three steel wire ropes are connected with the multi-section telescopic mechanisms in the length direction, the width direction and the height direction respectively, and when the handle rotates, the base discs drive the fireproof isolation device to be stored or unfolded through the steel wire ropes. The defects that in the prior art, a vehicle fireproof isolation device is inconvenient to store and insufficient in fireproof performance are overcome.

The invention discloses a cable system bridge large-scale substructure dynamic temperature control fire test method, relates to the technical field of bridge structure fire resistance test, and aims to generate an open space non-uniform temperature field through fire dynamics simulation software to reproduce a real vehicle fire scene. A modular fireproof fence is additionally arranged to construct a closed space, and a standard fire heating curve test is carried out. An LSTM-PID intelligent control system is adopted to drive a self-balancing loading reaction frame to apply load according to a preset graded loading system, and dynamic reproduction of a three-dimensional wind-fire-force coupling scene is achieved. The test is suitable for a main cable and a sling of a suspension bridge, a stay cable of a cable-stayed bridge and a suspender of a suspender arch bridge, an armored thermocouple array, a fiber grating sensor and a strain gauge group are arranged on the surface of a large-scale or full-scale component, stress, displacement and temperature data are collected in real time, an instruction error is dynamically corrected in combination with an LSTM time-delay compensation algorithm, and the test accuracy is improved. And second-level synchronization of loading and fire scene regulation and control is ensured.

The invention specifically relates to an automobile fire risk dynamic assessment method and system based on multi-source data fusion, and relates to the technical field of automobile safety, and the method comprises the steps: employing an improved analytic hierarchy process to determine an index weight, building an initial assessment model based on a random forest algorithm, and outputting a 0-100 score risk value. According to the invention, road traffic and environmental meteorological data are incorporated into an evaluation system, and through verification of tens of thousands of cases, the risk identification accuracy can be effectively improved, and the missing report rate can be reduced; through a double-layer mechanism of five-minute short-term updating and daily model evolution, the risk response delay is less than 10 seconds, the problem of evaluation lag during scene switching is solved, and the method is particularly suitable for frequent switching scenes of urban expressways and suburban road sections.

The invention discloses a vehicle fire extinguishing device. The device comprises a moving mechanism; the top of the isolation bin is opened to form an opening, the isolation bin is arranged on the moving mechanism in a turnover mode so that the isolation bin can have the working state that the isolation bin can be inversely buckled on the ground, the isolation bin is provided with a fire extinguishing medium inlet, and the fire extinguishing medium inlet is configured to be used for introducing a fire extinguishing medium into the isolation bin when the isolation bin is in the working state; the fire extinguishing medium is distributed in the space with the set height in the isolation bin; the driving mechanism is arranged on the moving mechanism so as to drive the isolation bin to turn over; and the sealing element is arranged on the isolation bin and annularly arranged around the opening, and is configured as follows: when the isolation bin is in the working state, the sealing element can seal the opening of the isolation bin and the ground. The bottom of the isolation bin and the ground can be sealed, a fire extinguishing medium is maintained in a set height space in the isolation bin, immersed fire extinguishing of the bottom or the whole of a vehicle is achieved, and the fire extinguishing efficiency is improved.

This invention discloses a vehicle fire suppression device, relating to the field of safe fire control. It includes a base frame and a fire control cabinet disposed on one side of the base frame. The fire control cabinet contains fire control piping for delivering fire-controlling solvent. A support frame is disposed on the surface of the base frame, with movable slots on opposite sides at both ends of the support frame. A linkage fire control mechanism includes a movable block disposed within the movable slots. Multiple nozzles are disposed at the bottom of the movable block. A pressure plate is disposed at the bottom of the support frame, aligned with the multiple nozzles. The multiple nozzles move and collide with the pressure plate, creating a swaying motion. A rotating rod is rotatably disposed inside the support frame on one side of the movable block, and a heat-insulating cloth is disposed on the surface of the rotating rod. This invention delivers fire-controlling solvent through the fire control piping, and the movement of the nozzles and their collision with the pressure plate create a reciprocating and oscillating composite spraying action, effectively controlling fires in vehicles. Simultaneously, the heat-insulating cloth lowers to prevent the spread of fire.

The utility model relates to a vehicle fire extinguishing cover which comprises a hanging frame located over a parking space and a fire extinguishing cover body installed in the hanging frame, a plurality of sleeve rods extend out of the bottom of the hanging frame, a plurality of rope penetrating holes are formed in the outer ring of the fire extinguishing cover body, the sleeve rods and the rope penetrating holes are bound through ropes, and a fixing rope is connected to the fire extinguishing cover body. The fixing rope is used for fixing the fire extinguishing cover above a parking space, and one section of the fixing rope is connected with a rope cutter. According to the vehicle fire extinguishing cover structure, the fire extinguishing cover can be lowered between two vehicles when a new energy vehicle has a fire, and fire spreading is avoided.

The present invention relates to a fire extinguishing apparatus for extinguishing fires in vehicles. The object of the invention is to provide a product and a method for extinguishing fires in a vehicle, especially when it is in an area with limited working space around it. The fire extinguishing apparatus for extinguishing fires in vehicles comprises: - at least one lower tube, wherein said lower tube has at least one inlet opening and at least one closed end, the lower tube is provided with at least one nozzle, - at least one first side tube and at least one second side tube, each with at least one inlet opening and at least one closed end, said first side tube and said second side tube are each provided with at least one nozzle, and said first side tube and said second side tube are arranged substantially parallel to said lower tube.- an inlet distributor is arranged in fluid communication with the inlet opening in said lower tube and the inlet opening in said first side tube and the inlet opening in said second side tube, wherein said first side tube is arranged in a first position with respect to the lower tube and a second side tube is arranged in a second position with respect to the lower tube, wherein in use the inlet distributor is capable of distributing fluid to said lower tube and said first side tube and said second side tube, such that the fluid flows through the nozzles of said lower tube and the nozzles of said first side tube and the nozzles of said second side tube, towards a fire extinguishing zone.

The invention relates to the technical field of automobile safety equipment, in particular to an automobile fire extinguisher fixing system, a using method and an automobile. The invention provides a vehicle fire extinguisher fixing system. The vehicle fire extinguisher fixing system comprises a CNSL assembly, a fixing device and a fire extinguisher. The CNSL assembly is provided with a storage space, and the fixing device is arranged in the storage space; and the fire extinguisher is placed in the storage space through the fixing device. According to the CNSL assembly, the fire extinguisher is placed in the storage space through the fixing device, the space utilization rate of the storage space of the CNSL assembly is increased, taking and using are convenient, the taking and using time is effectively shortened, and meanwhile the adaptation problem of a traditional fixing mode in a special space is solved.

The invention discloses an intelligent vehicle fire prevention and control method and system and a storage medium, and belongs to the technical field of vehicle safety, and the method comprises the steps: obtaining a periodic thermodynamic diagram of a target area, receiving the thermodynamic diagram, converting the thermodynamic diagram into a temperature matrix, generating a fire signal of the target area according to the temperature matrix, and sending the fire signal to a server; cutting off a main power supply of the vehicle according to the fire signal, starting an independent power supply module to supply power, and generating an alarm signal corresponding to a fire behavior grade and a first fire extinguishing instruction for starting a fire extinguishing packet closest to an ignition point to extinguish fire for the first time; and if the alarm signal is still received within the preset time after the first fire extinguishing, a second fire extinguishing instruction is started for starting all the fire extinguishing bags around the ignition point to perform second fire extinguishing. According to the invention, information of a target area can be sensed in real time, fire behavior and danger can be found as soon as possible, and intelligent fire prevention and control can be realized through unified management of the main controller.

The invention discloses a fire extinguishing device and a vehicle fire extinguishing treatment method, and relates to the technical field of fire fighting equipment, the fire extinguishing device comprises a moving assembly, a shell and a shed body, the upper top surface of the moving assembly forms a mounting plane, the shell is arranged on the mounting plane, and a containing cavity is defined by the shell and the mounting plane; the shed body comprises a telescopic frame and a fireproof blanket, the telescopic frame is arranged on one side of the shell and can be stretched and stored, the fireproof blanket is arranged on the telescopic frame and can be unfolded through the telescopic frame to form an isolation space, a throwing device is arranged on the side, facing the isolation space, of the shed body, and the fireproof blanket is arranged on the throwing device; according to the technical scheme, the fire extinguishing device can be moved to the position where a fire occurs through the moving assembly, high flexibility is achieved, the throwing device releases the fireproof blanket so that the fireproof blanket can cover the vehicle on fire, the situation that the fire spreads to nearby parked vehicles or other flammable and explosive objects is avoided, economic losses are reduced, and the fire extinguishing effect is improved. And the overall fire emergency disposal capability is improved.

The invention discloses a mining vehicle early fire early warning method and system based on multi-source information fusion, and belongs to the technical field of fire alarm, and the method comprises the steps: carrying out the multi-source monitoring of a mining vehicle, and obtaining the environment, working condition and visual monitoring data of the vehicle; fire sign sensitive feature detection is carried out on the vehicle environment monitoring data; fire sign sensitive feature detection is carried out on the vehicle operation condition data; fire sign sensitive feature detection is carried out on the vehicle visual monitoring data; performing single-factor fire deduction on the environment, working condition and visual fire sensitive feature vectors according to the vehicle fire historical event set; and performing multi-factor coupling fire behavior deduction according to the fire behavior deduction first map, and executing early fire behavior early warning according to the fire behavior deduction second map. The technical problems that in the prior art, mining vehicle fire early warning depends on single-dimensional monitoring data, information is one-sided, and early multi-factor collaborative risks are difficult to capture, so that fire missed judgment, misjudgment and untimely early warning are caused are solved.

The application discloses a fire extinguishing bomb throwing device for a unmanned aerial vehicle, which comprises a pitch adjusting mechanism, a bomb storage and bomb conveying mechanism capable of being adjusted in pitch on the pitch adjusting mechanism, two groups of mounting pipes, a spacing adjusting plate, a conveying structure and a throwing acceleration structure, and the throwing acceleration structure comprises an acceleration connecting frame, an acceleration conveying belt assembly, an acceleration motor and an acceleration transmission assembly. The application has the advantages that the high-pressure gas launching mode is replaced by the throwing acceleration structure, the recoil force is small, the flight stability of the unmanned aerial vehicle during launching of the fire extinguishing bomb is ensured, and the safety hidden danger is reduced. Meanwhile, the spacing between the upper and lower mounting pipes is adjusted by adjusting the position of the lower mounting pipe on the spacing adjusting plate, and the throwing of fire extinguishing bombs with different specifications is realized.

The present invention relates to a fire suppression composition and system designed to extinguish challenging fires, such as Class B fires involving lithium batteries as well as Class A, B, and D fire scenarios. The composition includes a mineral component, a water-based liquid propellant, and a synergistic blend of additives. This innovative combination enables the composition to float on liquid surfaces and adhere to burning materials, effectively suppressing and extinguishing fires. The composition's ability to form a barrier on burning materials prevents fire spread and re-ignition, making it highly effective for both vehicle fires and industrial settings. This advancement offers a versatile and robust solution to modern fire hazards, suitable for use in various delivery systems.