46 results about "Active fire protection" patented technology

The invention discloses an aluminum-plastic composite panel with a fireproof structure, and relates to the technical field of aluminum-plastic composite panels, the aluminum-plastic composite panel comprises a fireproof layer, and a top aluminum plate mounting plate is mounted at the bottom of the fireproof layer. Then, the heat is transferred to a heat-conducting metal conduction sheet plate and then transferred to a wire fixing heat-conducting end, so that the temperature is rapidly increased, the wire fixing heat-conducting end transfers heat to a polyethylene fracture node, so that the polyethylene fracture node is melted and fractured, a polypropylene fiber connecting wire ring losing support also melts, a limiting hook is released, and a needling trigger piece rapidly punctures a flame-retardant gas storage device; the flame-retardant gas is released, and the flame-retardant gas is quickly diffused to the periphery of the flame along with the quick release of the flame-retardant gas to form a protective layer, so that the contact between the flame and surrounding combustible materials is effectively isolated, and further spreading of the fire behavior is slowed down or even stopped.

The invention discloses a passive self-sensing active fire prevention method and system based on perfluorohexone microencapsulation, and relates to the technical field of fire safety, and the method comprises the steps: configuring a multi-element sensor to collect environment data; environment data preprocessing and feature extraction are carried out; an intelligent fire recognition algorithm is constructed, and corresponding grading strategies are formulated to regulate and control microcapsule fire extinguishing operation; the release of the microcapsules is intelligently regulated and controlled, and dynamic dosage control and self-adaptive microcapsule distribution optimization are carried out. According to the method, environmental parameters such as temperature, smoke, pressure and humidity are collected in real time by configuring a multi-element sensor, and dynamic analysis and grading response of fire risks are carried out in combination with an intelligent algorithm, so that intelligent regulation and control, dynamic dose control and self-adaptive distribution optimization of microcapsule release are realized; a multi-element sensor layout with precise monitoring and comprehensive coverage; efficient data preprocessing and feature extraction are achieved, and dynamic fire extinguishing agent release control and distribution optimization are completed based on an intelligent fire recognition algorithm of machine learning.

The invention relates to an active and passive integrated fireproof insulation board and a preparation method thereof. The active and passive integrated fireproof insulation board comprises n passive fireproof layers and n or n + 1 active fireproof layers, the passive fireproof layer and the active fireproof layer are laminated into a whole; the passive fireproof layer comprises inorganic fiber felt and aerogel; the aerogel is obtained by curing an adhesive aerogel stock solution, and the stock solution comprises the following components in parts by mass: 1000-4000 parts of silica sol, 50-150 parts of silicate, 10-50 parts of a phosphate adhesive, 5-20 parts of quick lime, 5-50 parts of titanium dioxide, 10-50 parts of calcium stearate, 5-50 parts of a hydrophobic modifier, 5-50 parts of an acid-base regulator and 1000-4000 parts of a solvent; the active fireproof layer is at least one of inorganic fireproof plates such as a gypsum fireproof plate and the like which can actively consume energy after being heated and decomposed. The problems that an existing fireproof insulation board is high in organic matter content, poor in flame retardance and high in hygroscopicity, and the thermal insulation performance and safety are obviously reduced after the fireproof insulation board is used are solved.

The utility model discloses a fireproof flame-retardant protective structure of a battery module, the battery module is fixed in a module box body and is packaged by a battery pack upper cover, and battery monomers of the battery module are arranged at intervals through flame-retardant plates; a fireproof cover covers the battery module, fire extinguishing sheets capable of automatically releasing a fire extinguishing agent according to high temperature generated by combustion are arranged on the inner wall of the fireproof cover, and the fire extinguishing sheets are correspondingly distributed in a projection area of the battery monomers on the fireproof cover. According to the utility model, the flame-retardant plate and the fireproof cover are designed to the battery module packaging structure, so that the technical scheme is simpler and more convenient, the maintainability is higher, the overall safety and the performance stability of a battery system are improved, and the risk of battery explosion and combustion is effectively restrained in the initial stage by combining the active fireproof function of the fire extinguishing sheet; the problems of complexity, high maintenance cost and negative influence on battery performance of a traditional fireproof mode are solved.

The active fire prevention system comprises a fire extinguishing module, a side span emergency module and a middle span emergency module, the fire extinguishing module comprises a plurality of fire pools fixed to the top of a bridge tower, and a water supply main pipe connected with the bottom of the fire extinguishing module is laid in the extending direction of the main cable and fixed to the top of the main cable; spraying branch pipes and temperature sensing automatic closing type sprayers are arranged on the water supply main pipe at intervals. The side span emergency module comprises a first emergency water storage tank and a first pressurizing water pump which are fixed in a stiffening beam and are communicated with a side span water supply main pipe through a first emergency connecting pipe, and the mid-span emergency module comprises a second emergency water storage tank and two second pressurizing water pumps which are fixed in the middle of a mid-span stiffening beam; and the two second emergency connecting pipes are respectively communicated with water supply main pipes on two sides of the midspan. Real-time fireproof protection of the main cable is achieved through the fire extinguishing module, the temperature rise of the main cable is directly prevented from exceeding the critical temperature, the risk of structural failure is avoided, the emergency module continuously provides a water source and pressure when the water source is insufficient, and the fire extinguishing duration is prolonged.

The invention belongs to the field of coal mine safety, and relates to a pre-mining gas-liquid two-phase combined injection coupling inerting active fire prevention method for a thick coal seam, which comprises the following steps of: sequentially injecting a stopping agent solution, nitrogen and carbon dioxide composite inert gas into a coal body in a pressing manner before mining of a working face, so that the coal body is effectively isolated from oxygen, and gas-liquid two-phase coupling inerting dual protection is formed; oxidation spontaneous combustion of loose coal bodies in a goaf and a coal pillar area is effectively inhibited or delayed, so that the goaf coal spontaneous combustion is actively prevented in advance, and an important technical means and approach are provided for effectively solving the comprehensive fire prevention and extinguishing problem in the initial mining and initial caving period of a fully mechanized caving face of an ultra-thick coal seam.

The invention belongs to the technical field of energy storage battery safety fire fighting, and particularly relates to an energy storage battery active safety fire fighting system with aerogel, which comprises a sensing layer, a transmission layer, a platform layer and an execution layer, the sensing layer collects operation and environment data of the energy storage battery, and the transmission layer transmits the data to the platform layer; the platform layer comprises three modules: a data preprocessing module processes received data; the risk identification module evaluates the preprocessed data in real time according to a preset strategy by using two active identification algorithms to obtain a risk evaluation result; the fire-fighting strategy making module determines an optimal fire-fighting strategy accordingly; and the execution layer receives the strategy and carries out control and aerogel fire extinguishing operation on the energy storage battery. The problem that in the prior art, an energy storage battery lacks an effective technical means in the field of active fire fighting can be solved.

The invention discloses a passive self-sensing active fire prevention method, system, equipment and medium for a power distribution pipe gallery and a cabinet, and belongs to the technical field of power system safety protection, and the method comprises the steps: monitoring an electromagnetic characteristic spectrum and an arc spectrum of a power distribution facility through a passive electromagnetic sensing network, and positioning and grading an early fire risk; the ignition time is predicted based on a dynamic heat model, and arrangement is optimized in combination with the suitability data of the perfluorohexanone microcapsules; and the self-powered integrated module triggers shock waves at key time to induce the microcapsules to cooperatively rupture to release the fire extinguishing agent. According to the invention, active fire prevention of passive accurate early warning and autonomous fire extinguishing is realized, and the response speed and reliability are obviously improved.

The invention discloses a perfluorohexanone microencapsulation-based passive self-sensing active fire protection device, and relates to the technical field of fire safety, the perfluorohexanone microencapsulation-based passive self-sensing active fire protection device comprises a storage bracket and a cross beam, the cross beam is fixedly connected with the storage bracket, and the arrangement direction of the cross beam is parallel to the long axis direction of the storage bracket; the mounting piece comprises a mounting plate and a buckle fixedly connected with the mounting plate, and the buckle is connected with the edge of the cross beam in a clamped mode; and the pressing piece comprises a connecting rope connected with the buckle and a pressing sleeve connected with the end part of the connecting rope. The connecting rope is connected with the connecting part, a maintainer pushes the pressing sleeve to move in the direction close to the mounting plate, the pressing sleeve moves to pull the connecting rope to move, the connecting rope moves to drive the side wall of the buckle to be bent inwards, and therefore fixation between the buckle and the cross beam is relieved, and the maintainer can conveniently complete dismounting of the mounting plate; therefore, maintenance personnel can replace the perfluorohexanone patch conveniently.

The invention discloses a heat preservation curtain wall structure applied to a building, and relates to the technical field of building curtain wall structures, the heat preservation curtain wall structure comprises a curtain plate assembly, the curtain plate assembly comprises a curtain plate main body, a fireproof part is embedded in the outer surface of the curtain plate main body, a guide groove is formed in the curtain plate main body, and a communicating pipe is fixedly connected to the curtain plate main body; a butt joint cylinder is fixedly connected to one side of the curtain plate body and arranged at one end of a communicating pipe in a sleeving mode, one end of the communicating pipe penetrates through the curtain plate body and communicates with the fireproof part, and a limiting hole is formed in the surface of the communicating pipe; and the mounting assembly comprises a mounting seat, an air cavity is formed in the mounting seat, a butt joint pipe is rotationally connected to the mounting seat, and one end of the butt joint pipe communicates with the air cavity. Active fire prevention can be performed through the curtain plate assembly under cooperation of the mounting assembly, upward flames can be actively hindered after a building is on fire, fire spreading can be actively intervened when a fire occurs, and the probability of causing large accidents is reduced.

The application relates to the technical field of cross-linked polyethylene power cables, and discloses a polyethylene flame-retardant power cable, which is characterized in that a flame-retardant structure layer is arranged between a cable core insulating layer and a cable armor layer, the structure layer is composed of equally-spaced separation ring assemblies and ceramic fillers filled between the separation ring assemblies, an outer part is uniformly wound with a ceramicized adhesive tape layer, the separation ring assemblies contain expanded fillers, the expanded fillers are driven to expand and push the inner thrust plates to slide when on fire, and the ceramic fillers are bidirectionally extruded: the ceramic fillers are dynamically filled in the gaps generated due to the collapse of the cable core insulating layer, and the internal fire passage is blocked; the ceramic fillers push the ceramicized adhesive tape layer in a softened state to embed into the armor layer pores, mechanical anchoring is formed, and interlayer peeling caused by solidification shrinkage is prevented. The application changes the cable from a passive fire resistance into an active fire prevention system with self-adaptive plugging and anchoring capacity, and significantly improves the structural integrity and flame-retardant reliability of the cable in a real fire.

This invention discloses a fire-resistant, flame-retardant, and highly weather-resistant integrated marine furniture system, comprising a three-layer architecture: a basic layer, an intelligent layer, and an application layer. The basic layer consists of prefabricated functional units and quick-connect interfaces for rapid installation. The intelligent layer includes an intelligent fire prevention unit and an adaptive environment unit. The intelligent fire prevention unit automatically triggers targeted aerosol fire suppression based on dual-condition logic using temperature and smoke sensors and safety control nodes deployed in key locations, enabling early autonomous fire suppression. The adaptive environment unit learns user habits through sensors and, upon user confirmation, solidifies "context-operation" rules, achieving personalized automatic environmental adjustment. The application layer provides various interactive terminals. This system represents an upgrade from passive alarm to active fire prevention, and from manual operation to intelligent adaptation, significantly improving the safety and comfort of ship cabins.

The invention relates to a high-strength plugging fireproof adhesive capable of expanding in case of fire at low temperature and a preparation method thereof, and belongs to a fireproof adhesive capable of expanding in case of fire. Comprising 20-30 parts of polyether polyol, 10-20 parts of quartz powder, 1-20 parts of heavy calcium powder, 0.5-2 parts of flame-retardant graphite, 20-30 parts of expanded graphite, 10-20 parts of a flame retardant, 0.5-2 parts of a thixotropic agent, 0.5-1 part of a water removal agent, a catalyst and 0.01-0.05 part of a delay catalyst. 10 to 20 parts of 4, 4 diphenylmethane diisocyanate, and 1 to 5 parts of isophorone diisocyanate. The fireproof door has the advantages that a high-strength structure can be formed, the overall strength and sealing performance are further improved, the structural fire resistance of the fireproof door is enhanced, the fireproof door can be maintained for a longer time during structural fire resistance, and the fireproof door can rapidly expand in case of fire to play roles in active fire prevention and heat transmission prevention, so that all-around fireproof protection is realized.

The invention relates to the technical field of heat-insulation fireproof materials, and discloses an active fireproof temperature-resistant heat-insulation flexible cloth and a preparation method thereof.The active fireproof temperature-resistant heat-insulation flexible cloth comprises a surface layer, a middle layer and a bottom layer which are arranged in a stacked mode, the surface layer and the bottom layer are both silicon-aluminum fiber cloth, the middle layer is aramid fiber cloth, and the bottom layer is silicon-aluminum fiber cloth. The upper surface and the lower surface of the middle layer are both coated with flame-retardant coatings, and the flame-retardant coatings comprise magnesium hydroxide, ammonium polyphosphate, magnesium silicate, silicon dioxide hollow microspheres, silicon nitride and a binder. The coating can quickly react to generate a ceramic phase to actively isolate heat transfer and open fire impact when encountering high-temperature flames, and the temperature resistance and heat insulation performance are good.

The application discloses a special fiber cloth-based modular military thermal insulation boot and a manufacturing method thereof, and belongs to the technical field of individual protection equipment. The thermal insulation boot comprises a composite function sole module, a core passive heat insulation inner container module, a boot body framework and integrated outer cover module and an optional active heating and control module. The core innovation lies in that high-silicon fiber cloth is used as the inner container core heat insulation material, and the extreme passive thermal insulation and active fire prevention are realized; the sole is integrated with a retractable anti-skid steel nail mechanism, which can be instantaneously switched between normal and ice surface / steep slope environments; a moisture management channel is designed between the inner container and the boot body, and a small fan ventilation system is integrated, so that the problem of dampness is solved; the inner container is pre-buried with an electrical connection interface, and the active heating module can be plugged and connected. The application has the advantages of passive thermal insulation, full-terrain anti-skid, active fire prevention, intelligent temperature control and easy maintenance through the modular design, and is suitable for military operations in extremely cold, slippery and potentially high-temperature environments, and effectively improves the survival ability and combat effectiveness of soldiers.

This invention belongs to the field of air separation technology and discloses a filtration, ventilation, and oxygen-enriched air supply system and method for underground engineering projects. The system includes a filter absorber and an air separation device. Gas first passes through the filter absorber and then enters the air separation device. The filter absorber is used to filter toxic gases. The air separation device includes an adsorption separation module that separates nitrogen and oxygen from the input gas. The oxygen separated by the adsorption separation module is delivered to personnel or equipment requiring oxygen through a first output pipeline. The separated nitrogen is delivered to equipment requiring nitrogen through a second output pipeline. The adsorption separation module includes an adsorption tower. Gas enters the adsorption tower, and after pressurization, nitrogen-enriched air is discharged from the top of the adsorption tower. After depressurization, oxygen-enriched air is discharged from the bottom of the adsorption tower. This solution can reduce the air supply volume and the risk of toxic contamination in engineering projects. It can achieve active fire prevention and increase the oxygen content in the air, improving personnel comfort.

The utility model relates to the technical field of decorative plates, and discloses a special sound-insulation heat-insulation fireproof decorative plate for a special site, which comprises an edge covering frame, a back side fixing layer arranged at the rear part in the edge covering frame, a sound-insulation layer arranged in front of the back side fixing layer in the edge covering frame, and a surface layer arranged in front of the sound-insulation layer in the edge covering frame, a plurality of fireproof components are uniformly arranged in front of the surface layer. According to the sound-insulation, heat-insulation and fireproof decorative plate special for the special site, breakthrough improvement is achieved in structural design and functional application. The active fireproof assembly designed on the surface layer greatly improves the initiative and safety of the board to deal with fire, and can quickly release a fire extinguishing agent at the initial stage of the fire to actively stop fire spreading. Due to the innovative design, the decorative plate becomes a novel decorative material with an active protection function, not only can cope with fire disasters, but also can remarkably improve the safety of sites, and is particularly suitable for special occasions such as machine rooms, laboratories and the like with extremely high fireproof requirements.

The invention discloses an aluminum-plastic composite board with a fireproof structure, which relates to the technical field of aluminum-plastic composite boards and comprises a fireproof layer. A top aluminum plate mounting plate is installed at the bottom of the fireproof layer. In cooperation with an active fireproof component, when a fire occurs, heat is firstly conducted to a heat-conducting column contact column through a metal heat-conducting sheet, and then transferred to a heat-conducting metal conduction sheet, and then transferred to a fixed-line heat-conducting end, so that the temperature is rapidly increased. The fixed-line heat-conducting end transfers heat to a polyethylene fracture node, causing it to melt and fracture. A polypropylene fiber connecting line ring that loses support will also melt, so that a restricting hook is released, and a needle-piercing trigger quickly pierces a flame-retardant gas storage device to release the flame-retardant gas. With the rapid release of the flame-retardant gas, it quickly spreads around the flame to form a protective layer, effectively isolating the contact between the flame and surrounding combustibles, thereby slowing down or even preventing the further spread of the fire.

The invention relates to the technical field of parking garages, and discloses a fireproof design method for a mechanical three-dimensional parking garage, which is suitable for urban high-density parking areas containing new energy vehicles. The method comprises the following core steps: determining a first-grade fire resistance grade, and constructing a specific fire heating curve containing thermal runaway, continuous combustion and attenuation stages in combination with a new energy vehicle spontaneous combustion experiment and FDS simulation; the critical temperature method is used for calculating the temperature rise of the component, and the bearing force method is used for introducing local high-temperature correction; hierarchical fireproof protection (steel structure multi-layer coating, equipment partition isolation and active fireproof linkage) is designed; and strengthening a fireproof structure and making a full-period maintenance plan. The method breaks through the limitation of the traditional design, covers the checking calculation of key components, greatly improves the structural safety and system reliability in the fire, and is high in operability and wide in adaptability.

The invention relates to a current collector containing a heat-sensitive flame-retardant microcapsule coating, a preparation method of the current collector and application of the current collector in a lithium battery, firstly, a heat-sensitive flame-retardant microcapsule wrapped with a fire extinguishing agent core material is prepared and mixed in conductive slurry, and the current collector is coated with the heat-sensitive flame-retardant microcapsule; after the current collector coated with the heat-sensitive flame-retardant microcapsule coating is further prepared into a lithium battery, an active fireproof function can be realized, and when the temperature of the battery exceeds a set threshold value, a fire extinguishing agent is automatically released, so that millisecond-level active protection is realized; the fire extinguishing unit is integrated on the current collector in situ, so that the purpose of efficiently inhibiting thermal runaway is achieved.

The invention discloses a solar photovoltaic junction box with an active fire prevention function, and relates to the technical field of junction boxes, the solar photovoltaic junction box comprises a box body, a fire extinguishing mechanism, a stirring mechanism and a blowing mechanism, an electric conductor is arranged in the box body, a cover body is arranged at the top end of the box body, a sealing mechanism is arranged between the box body and the cover body, and the fire extinguishing mechanism is arranged at the bottom end of the cover body. The fire extinguishing mechanism comprises fire extinguishing powder, a containing cavity is formed in the bottom end of the cover body, the fire extinguishing powder is arranged in the containing cavity, movable baffles are symmetrically arranged at the bottom of an inner cavity of the containing cavity in a sliding mode, and a trigger mechanism is arranged between the movable baffles and the cover body. Through the arrangement of the fire extinguishing mechanism, when a line in the box body is on fire, through cooperation of the triggering mechanism, the two movable baffles move oppositely, namely, fire extinguishing powder in the containing cavity falls down and covers the interior of the box body, and therefore fire extinguishing is conducted in the containing cavity through the fire extinguishing powder; therefore, the working safety of the junction box is improved.

The present application relates to a kind of active and passive integrated fireproof insulation board and its preparation method, including n passive fireproof layer and n or n+1 active fireproof layer;Passive fireproof layer and active fireproof layer are integrated;Passive fireproof layer includes inorganic fiber felt and aerogel;Aerogel is obtained by curing adhesive aerogel stock solution, stock solution includes: 1000-4000 parts of silica sol by mass, silicate 50-150 parts, phosphate binder 10-50 parts, quicklime 5-20 parts, titanium white 5-50 parts, calcium stearate 10-50 parts, hydrophobic modifier 5-50 parts, acid-base regulator 5-50 parts and solvent 1000-4000 parts;Active fireproof layer is at least one of inorganic fireproof board material with heat decomposition active energy consumption, such as gypsum fireproof board.The present application solves the problems such as high organic content, poor flame retardance, high hygroscopicity and significant decline in thermal insulation performance and safety after use in existing fireproof insulation board.

The application discloses a novel active fireproof distribution box in the technical field of distribution boxes, which comprises a box body, and circular shafts are fixedly installed at the back of both sides of the inner cavity of the box body. The high-pressure cavity, electromagnetic valve, circular air bag and first thorn needle are arranged. When a fire breaks out inside the box body, dense smoke will be continuously generated inside the box body. At this time, the two smoke sensors can sense the generation of the dense smoke and send a signal to the controller. The controller will control the electromagnetic valve to open. At this time, the high-pressure gas in the high-pressure cavity can enter the inside of the bottom cavity. Under the action of the air pressure, the moving plate can drive the first thorn needle to move downward. Finally, the bottom end of the first thorn needle can puncture the circular air bag, so that the circular air bag is burst open. At this time, the dry powder in the circular air bag can be scattered downward, so that the effect of extinguishing the fire source inside the box body can be achieved, and the active fireproof purpose is effectively achieved.

The invention discloses a fireproof device of a power battery and a use method thereof, and the fireproof device comprises a box body which is detachably connected with a cover plate; the passive fire extinguishing assembly is arranged on the inner side of the box body so as to convey a fire extinguishing agent when the battery is on fire; the active fire prevention assembly and the passive fire extinguishing assembly are arranged side by side so as to actively release a fire suppression gas to a battery; the shuttle valve is arranged at the output end of the passive fire extinguishing assembly, and the input end of the shuttle valve communicates with the active fire extinguishing assembly; by arranging the passive fire extinguishing assembly, the active fireproof assembly, the shuttle valve and the controller, the device can convey a combustion-supporting gas into the power battery box when no fire occurs, so that the combustion-supporting oxygen concentration is reduced, the occurrence probability of the fire in the power battery box is reduced, meanwhile, a fire extinguishing agent can be input in time to extinguish the fire when the fire occurs, and the fire extinguishing efficiency is improved. In addition, a sealing structure is arranged at the heat dissipation holes, so that the influence on electric parts inside the box body when a fire occurs on the periphery of the box body is avoided.

The invention relates to the technical field of wind power generation equipment, and discloses a fireproof cabin based on offshore wind power generation, which comprises a cabin shell, a fireproof separation mechanism, a ventilation mechanism and an air supply mechanism. The interior of the cabin is divided into a plurality of independent fireproof subareas by arranging the fireproof separation mechanism, so that fire is prevented from spreading in the cabin, the fire is controlled in a local area, and the situation that an initial small fire is developed into a whole-cabin catastrophic fire is avoided; the ventilation mechanism and the air supply mechanism convey air into the cabin together and exhaust the air through the air outlet pipe, and a positive pressure environment higher than the external environment air pressure is formed and maintained in the cabin. The positive pressure design can effectively prevent an external fire source from invading the cabin; as the positive pressure airflow can prevent external smoke and flame from entering, and meanwhile, oxygen flowing inwards is reduced, and internal fire diffusion is restrained. The active fire prevention capacity of the cabin can be improved, and the cabin is suitable for the offshore remote environment and the occasion where external rescue is difficult to arrive quickly.

This invention discloses a multifunctional coating, its preparation method, and its application, belonging to the technical field of bridge protection materials. This invention utilizes a micro-nano composite structure of MOF and molybdenum disulfide grown in a graded manner on the surface of a thin sheet material, synergistically with fluorosilicone resin to prepare an anti-icing coating. The anti-icing coating prepared using this method exhibits excellent anti-icing performance, achieving ultra-low ice adhesion. Furthermore, molybdenum disulfide has high photothermal conversion efficiency; in cloudy conditions, it converts ultraviolet light into heat energy, increasing the surface temperature and significantly delaying the icing initiation time. This invention also provides a multifunctional coating that achieves integrated fireproofing and ice-repelling through a gradient structure design of "aerogel felt - sealing layer - anti-icing layer," exhibiting high durability in extreme environments and a long service life, providing long-term protection. Specifically, the aerogel felt can insulate against flames up to 1100℃, and the anti-icing functional layer maintains low ice adhesion strength, simultaneously achieving efficient ice repellency and active fireproofing and heat insulation.

The invention provides a fireproof material. The fireproof material is composed of a eutectic solvent and a flame-retardant filler dispersed in the eutectic solvent, the eutectic solvent is used as a continuous phase matrix and a charring agent of the material; wherein the eutecticevaporate solvent is composed of a hydrogen bond acceptor and a hydrogen bond donor, the eutecticevaporate solvent can be decomposed to form a compact carbon layer at a high temperature, so that the active fireproof effect is achieved, and the invention relates to the technical field of new materials and fireproof safety. When the selected eutectic solvent system is heated, a hydrogen bond network of the eutectic solvent system is disintegrated, the components can be subjected to a series of chemical reactions such as decomposition, crosslinking and cyclization, a compact, stable and porous carbon layer is generated in situ, and the carbon layer serves as a physical barrier, so that the fireproof performance of the fireproof material is improved. And heat and oxygen can be effectively prevented from being transferred to the inside, so that an integrated efficient flame-retardant effect from inside to outside, which is not possessed by a traditional physical blending material, is realized.

A fire protection device for battery pack in a vehicle is disclosed the device comprising: a plurality of sensor modules coupled to a battery management system (BMS), and is configured to detect at least one condition associated with the battery pack; a control unit coupled to the plurality of the sensor modules; and at least one fire suppressor coupled to the control unit, wherein the control unit is configured to receive at least one input from the plurality of sensor modules, the input indicating the at least one condition associated with the battery pack analyse input value associated with the condition to determine if the input value condition is beyond a threshold value; activate the fire suppressor based on determination that the input value is beyond the threshold value; and send feedback of fire suppression to the BMS.

The invention relates to the technical field of battery replacement cabinets, and provides a water fire-fighting intelligent battery replacement cabinet, which comprises a battery replacement cabinet main body, a plurality of battery compartments, a water tank, a spraying assembly and a heat trigger type fire-fighting sprayer, and is characterized in that the battery compartments are mounted in the battery replacement cabinet main body and are used for accommodating batteries; a water return hole is formed in the bottom of each battery compartment; the water tank is installed at the bottom of the battery changing cabinet body and provided with a water inlet and a water outlet. The water return hole is communicated with the water inlet through a water return pipeline; each battery bin is provided with a spraying assembly and a thermal trigger type fire-fighting nozzle, the input end of each spraying assembly is communicated with the water outlet, and the output end of each spraying assembly extends into the corresponding battery bin; the input end of the thermal trigger type fire sprinkler is communicated with the water outlet, and the output end of the thermal trigger type fire sprinkler extends into the battery bin. The mode of combining active fire fighting and passive fire fighting is adopted, it is effectively guaranteed that the fire fighting system can rapidly respond and extinguish fire under various working conditions, the fire is prevented from spreading to other parts of the power conversion cabinet, and therefore the safety of the power conversion cabinet is improved.