407results about How to "Improve fire extinguishing effect" patented technology

The invention discloses a direct-current flame-retardant tensile cable for a charging pile, and relates to the technical field of cables, the direct-current flame-retardant tensile cable comprises a conductor, the outer side of the conductor is wrapped with an insulating layer, the outer side of the insulating layer is wrapped with a shielding layer, the outer side of the shielding layer is provided with a protective layer, the direct-current flame-retardant tensile cable further comprises a flame-retardant assembly and a tensile assembly, and the flame-retardant assembly comprises a plurality of fixing pieces; a fire extinguishing chamber is formed by every two adjacent partition pieces, the fixing piece, the protective layer and the shielding layer, and the tensile assembly comprises a plurality of tensile pieces. Through arrangement of the flame-retardant pieces, when a fire breaks out in the fire extinguishing chamber, a fire breakout point can be covered to form a sealed space, and therefore the good flame-retardant effect is achieved; and through cooperation of the tensile member, the flame-retardant member, the telescopic air bag and inert gas in the fire extinguishing chamber, the tensile capability of the tensile member can be enhanced, so that the problem of poor flame-retardant and tensile capability of the existing charging pile cable is effectively solved.

The invention relates to the technical field of fire extinguishing materials, and discloses an active fire extinguishing microcapsule, a preparation method and application thereof, an ultraviolet curing resin plate and a preparation method thereof. The microcapsule has a core-shell structure, a core material is perfluoro (2-methyl-3-pentanone) (PFMP), and the microcapsule is used as an efficient fire extinguishing agent and is suitable for inhibiting the heat rise rate of an ultraviolet curing polymer in thermal runaway and fire scenes; and the shell layer is a polymer wall material formed by gelatin, has a certain thickness and can be broken at a preset temperature. Through simple condensation, PFMP is used as a core material for microencapsulation, and the microcapsule with specific particle size distribution is prepared, so that the microcapsule can quickly release a fire extinguishing agent under a high-temperature condition, and flames are effectively inhibited.

The invention relates to the technical field of fire safety, in particular to an electric bicycle shed automatic fire extinguishing device and system.The method comprises the following steps that S1, data of a plurality of fire factors are collected; s2, performing fusion analysis on various fire factor data, and outputting a fire risk judgment result; s3, dynamic fire risk assessment is carried out, and a fire early warning threshold value is adjusted in real time; s4, identifying a section where the fire occurs; s5, on the basis of the fire sections identified in the S4, automatically controlling fire extinguishing devices in the corresponding areas to be started; s6, the fire area is cooled through a water spraying device; and S7, after the fire is extinguished, storing all data to a remote cloud server. According to the electric bicycle shed, through multi-dimensional fire monitoring, intelligent algorithm dynamic evaluation and automatic control technologies, accurate fire early warning, effective fire extinguishing, continuous cooling and safety data storage are achieved, and the fire prevention and control efficiency and safety of the electric bicycle shed are remarkably improved.

The invention provides a fire-fighting monitoring system for a ship. The fire-fighting monitoring system for the ship comprises a fire detection module and a fire-fighting monitoring module, wherein the fire detection module comprises fire monitoring and identifying cameras and sensor assemblies which are arranged at all corners of the ship; the fire monitoring module is used for constructing a fire recognition model based on the collected data of the ship and performing fire recognition warning; the fire hazard early warning module is used for constructing a fire hazard prediction model and performing prediction warning of fire hazard risks; the fire control module is used for realizing automatic fire extinguishing and comprises an automatic fire extinguishing control unit and a remote control unit; the intelligent decision-making module is used for providing escape guidance and comprises a fire source positioning unit and a route planning unit; the performance optimization module comprises fire source positioning optimization and escape route optimization. The system can comprehensively monitor the interior of the ship, accurately identify and predict the fire risk, can perform automatic fire extinguishing operation, position a fire source and plan an escape route at the first time when a fire occurs, guarantees the life and property safety of personnel, reduces the ship loss, and reduces the environmental pollution risk.

The invention discloses a lithium ion battery compound fire extinguishing agent and a preparation method and application thereof, and belongs to the technical field of lithium ion battery fire extinguishing agents. The fire extinguishing agent comprises the following raw materials in parts by weight: 10-50 parts of perfluorohexanone, 20-80 parts of hexafluoropropylene tripolymer and 1-3 parts of preservative. The compound fire extinguishing agent has the beneficial effects of efficient fire extinguishing capacity, excellent cooling efficiency, good corrosion resistance, stability, wide applicability and the like, in the fire extinguishing process, the fluorocarbon organic solvent can rapidly evaporate and absorb a large amount of heat, the temperature of a fire source is remarkably reduced, and therefore fire spreading is further inhibited. And the cooling efficiency can be accurately controlled by regulating and controlling the ratio of different solvents, so that the fire extinguishing requirements of different occasions are met, and powerful support is provided for development and application of the fire extinguishing technology.

The utility model discloses a large-flow three-phase jet elevating fire truck which comprises a chassis and an auxiliary beam fixedly installed at the top end of the chassis, supporting legs are fixedly installed at the bottom end of the auxiliary beam, a dry powder tank and a nitrogen tank are fixedly installed at the top end of the auxiliary beam, and the dry powder tank is communicated with the nitrogen tank. One end of the dry powder tank is communicated with a dry powder reel, and a main powder pipe is communicated between the dry powder tank and the dry powder reel. According to the utility model, superfine dry powder can be used for extinguishing fire through the nitrogen tank and the dry powder pipe, and the high-power diesel engine set and the medium-pressure centrifugal water pump are integrated together, so that the requirement of 200L / s high-flow anti-reburning fire extinguishing agent injection can be met, and the fire extinguishing agent can be continuously supplied by being matched with a remote water supply vehicle, a powder supply vehicle and a liquid supply vehicle; the fire monitor has the function of extinguishing the fire of the oil storage tank in a long range, fire extinguishing is performed corresponding to different burning fire materials and different fire extinguishing materials, and the fire extinguishing performance and efficiency are improved.

The invention discloses a high-efficiency current-limiting power distribution switch for a power distribution terminal, and relates to the technical field of power distribution switches, the high-efficiency current-limiting power distribution switch comprises an electric box, an electric brake is fixedly mounted in the electric box, a circuit breaker is fixedly mounted in the electric box, a switch is rotatably mounted on the surface of the electric brake, and the high-efficiency current-limiting power distribution switch also comprises a protection device and a fire extinguishing device; wherein the protection device comprises a carrying plate, a protection cover, a sliding plate, a sleeve rod, a limiting rod, a Z-shaped sheet and an abutting plate, the carrying plate is fixedly installed on the inner wall of the electric box, the protection cover is rotatably installed on the surface of the carrying plate, the sliding plate is slidably installed on the inner wall of the electric box, and the sleeve rod is fixedly installed at the top of the sliding plate; the limiting rod is fixedly installed at the bottom of the sliding plate, thrust is applied to the protective cover through the Z-shaped piece, the protective cover is automatically opened after limiting is correctly relieved, a good operation space can be provided, and maintenance is more convenient and efficient.

The utility model relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with a fire extinguishing structure, which comprises a cabinet body, the cabinet body is hinged with a cabinet door, the inner wall of the cabinet body is fixedly connected with a mounting rack, the side wall of the cabinet body is provided with a ventilation opening, and the inner wall of the cabinet body is provided with a fire extinguishing assembly. According to the power distribution cabinet with the fire extinguishing structure, the shielding plate shields the ventilation opening, the interior and the exterior of the cabinet body are isolated, oxygen is prevented from entering through the ventilation opening, a combustion-supporting substance is provided for flame combustion, the fire extinguisher is pressed down, carbon dioxide is sprayed into the cabinet body through the nozzle, the content of carbon dioxide in the cabinet body is increased, oxygen supply in the combustion process is restrained, and the combustion efficiency is improved. And by cutting off air exchange, increasing the content of carbon dioxide and reducing comburent required by combustion, fire extinguishment in the power distribution cabinet is realized, electric shock accidents are prevented, and meanwhile, the problems of short circuit or insulation damage caused by water and the like are solved.

The invention relates to the field of high-low voltage power distribution cabinets, and discloses an intelligent monitoring type high-low voltage power distribution cabinet which comprises a power distribution cabinet body, an inner shell installed in the power distribution cabinet body, a low-voltage electrical element located below the inner shell and a high-voltage electrical element located in the inner shell, and a protection component is arranged in the power distribution cabinet body. The protection component comprises a disconnecting assembly and a fire extinguishing assembly, the disconnecting assembly comprises a first gas tank, a cylinder and a first connecting valve set arranged between the first gas tank and the cylinder, a camera is installed in the inner shell, the cylinder is vertically arranged, the output end of the cylinder is connected with the low-voltage electrical element, and the first connecting valve set is opened when a fire breaks out, so that the cylinder is communicated with the first gas tank; the fire extinguishing assembly comprises a second gas tank and a fire extinguishing box located above the high-voltage electrical element, the second gas tank and the fire extinguishing box are connected through a second connecting valve set, and the second connecting valve set is used for being opened when a fire breaks out, so that the second gas tank is communicated with the fire extinguishing box.

The utility model discloses a fire extinguishing bomb throwing device of an unmanned aerial vehicle, and relates to the technical field of fire extinguishing equipment. The damping device comprises an unmanned aerial vehicle fixing frame and a mounting disc, the unmanned aerial vehicle fixing frame is located in the center of the bottom end of the unmanned aerial vehicle, a first spring is fixedly connected to the top end of the mounting disc, a damping plate is fixedly connected to the top end of the first spring, and a bolt fastener penetrates through the position between the mounting disc and the unmanned aerial vehicle fixing frame. A supercharger is fixedly mounted in the center of the bottom end of the mounting disc, and a spray pipe is fixedly mounted at the bottom end of the supercharger. The throwing device is buffered when flying or touching foreign matters, so that the fire extinguishing bomb is prevented from being damaged, the normal fire extinguishing is ensured, the fire extinguishing bomb can obtain a higher initial speed of falling down, the influence of wind power on the falling of the fire extinguishing bomb is reduced, the throwing accuracy of the fire extinguishing bomb is improved, and the fire extinguishing effect is further improved. Meanwhile, the space of the throwing device is not occupied, and flying and parking of the unmanned aerial vehicle are facilitated.

The invention relates to the technical field of fire extinguishing agents, and discloses a fluoride-free anti-solubility foam fire extinguishing agent and a preparation method thereof.The fluoride-free anti-solubility foam fire extinguishing agent comprises a hydrocarbon surfactant, a carboxyl modified organosilicon surfactant, a foam stabilizer, a cosolvent, water and a pH regulator; the carboxyl modified organic silicon surfactant is obtained by modifying an organic silicon surfactant by using maleic anhydride; the foam stabilizer contains xanthan gum and a component A, according to the invention, the organosilicon surfactant is modified, so that the obtained carboxyl modified surfactant has good surface activity and water solubility; xanthan gum and a component A (polyethylene oxide-polypropylene oxide-polyethylene oxide and other substances) are compounded to serve as a foam stabilizer, so that the foam stability and the anti-dissolving performance can be improved, and the foam stabilizer also has temperature-sensitive-thermal response performance; under the combined action of the components, the fire extinguishing agent provided by the invention has excellent fire extinguishing performance and can quickly extinguish non-polar fuel and polar fuel.

The utility model discloses an anti-winding wire cable, which comprises a cable body and further comprises an outer sheath arranged on the outer side of the cable body, anti-winding strips which are distributed in an annular array around the circle center of the outer sheath are fixedly arranged on the periphery of the outer sheath, and the cable body comprises a cable core and an inner sheath arranged on the periphery of the cable core. The inner sheath is filled with an insulating filler located between the cable cores, the anti-winding strip comprises a rubber sleeve attached and fixed to the periphery of the outer sheath and further comprises a fire extinguishing dry powder bag arranged in the rubber sleeve, and the rubber sleeve is filled with flame-retardant rubber particles located on the outer side of the fire extinguishing dry powder bag. According to the utility model, gaps exist between adjacent cables under the action of the winding strips, the cable laying can be guided, the cables are effectively prevented from being mutually wound during laying, and a better fire extinguishing effect is achieved.

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 invention discloses a gas fire extinguishing system suitable for tall and large space places and a control method.The gas fire extinguishing system comprises multiple layers of gas spraying areas which are distributed at intervals in the height direction of a fire extinguishing protection area, and the highest layer of gas spraying area comprises multiple first gas spraying pipes which are connected in a staggered mode and arranged in a net shape; each of the other layers of air injection areas comprises a plurality of second air injection pipes arranged around the fire extinguishing protection area; the gas outlet end of the fire extinguishing device is provided with a master control valve and is connected with a plurality of gas supply pipes, at least two first branch pipes branched from one gas supply pipe are connected with two first gas spraying pipes, a plurality of second branch pipes branched from the other gas supply pipes are correspondingly connected with a plurality of second gas spraying pipes in the same-layer gas spraying area, and each first branch pipe and each second branch pipe are respectively provided with a secondary selection valve; and the plurality of fire monitoring devices are used for monitoring whether a fire occurs in the fire extinguishing protection area or not in real time. According to the invention, uniform fire extinguishing design concentration in all directions can be rapidly formed in a high and large space at the initial stage of a fire, so that the fire extinguishing effect is greatly improved.

The fire blanket device for the electric vehicle charging station comprises a fireproof cloth body and a plurality of energy storage bags, the energy storage bags are arranged in the fireproof cloth body and are mutually spaced, so that a plurality of spaced bulge parts are formed in the fireproof cloth body, and openings communicating with the energy storage bags are formed in the fireproof cloth body; and a combustible layer is arranged in the energy storage bag. The multiple energy storage bags are additionally arranged in the fire blanket, combustible structures are arranged in the energy storage bags, combustion reaction can be generated under the high temperature of open fire or a heat source, and the fire blanket is essentially characterized in that consumption of oxygen around the fire blanket is accelerated, mixing of the oxygen and combustible gas generated by thermal runaway of a battery is inhibited, and the fire extinguishing and blocking effects are achieved; the method is suitable for the scene of rapid fire development of the electric vehicle charging station.

The invention relates to the technical field of indoor fire fighting, in particular to a distributed fire prevention and control device based on the Internet of Things and a control method.The fire prevention and control device comprises a connecting assembly, a directional fire extinguishing assembly is arranged at the lower end of the connecting assembly, and a ventilation assembly is arranged at the lower end of the directional fire extinguishing assembly; through the arrangement of a smoke sensor, a magnet block, a first annular hose and other parts, when the equipment detects that a fire occurs indoors through the assistance of the smoke sensor, an electromagnet is powered on, so that the dip angle of fan blades is changed, and then the equipment generates pulse wind power; and after an electromagnet is powered on, along with rotation of fan blades, a magnet block and the electromagnet interact to make a scraping plate move up and down, the scraping plate moves up and down to intermittently extrude a first annular hose, water flow sprayed out of a water spraying pipe is in a pulse state, the water spraying area of the water spraying pipe is increased, and the fire extinguishing effect of the water spraying pipe is enhanced.

The invention discloses a high-stability fire extinguishing microcapsule and a preparation method thereof, and belongs to the technical field of fire fighting. Comprising a shell and a core material, the core material comprises a fire extinguishing agent and a nano modified material, and the shell is made of cation modified amino resin; the particle size of the nano modified material is 30-200nm, the mass ratio of the nano modified material to the fire extinguishing agent is 1: (5-20), and the mass ratio of the shell to the core material is 1: (1.5-3.0); the nano modified material is selected from hydrophobic modified aerogel or a hydrophobic modified molecular sieve. According to the invention, the special nano modified material is added into the core material, so that the perfluorohexanone is easier to emulsify, and meanwhile, the perfluorohexanone interacts with the shell formed by the cation modified amino resin, so that the empty coating condition is reduced, and the stability of the product is improved. The packaging rate of the product is greater than 95%, and the retention rate is greater than 99% after 30 days at 25 DEG C; and the retention rate is greater than 97.5% after 30 days under the condition of 60 DEG C.

The utility model relates to the technical field of automatic fire extinguishing, and discloses a fire extinguishing device applied to industrial and mining vehicles and capable of realizing partition protection and repeated release, which comprises a fire extinguishing agent tank body, an inflation inlet is arranged on the fire extinguishing agent tank body, a discharge pipe is arranged on one side adjacent to the inflation inlet, and a main electromagnetic valve is mounted on the discharge pipe. The discharge pipe is connected with two spray head assemblies through pipelines, and the pipelines on the two spray head assemblies are provided with a first-area electromagnetic valve and a second-area electromagnetic valve respectively. The fire extinguishing device adopts the electromagnetic valve and the spray head assembly, fire extinguishing is performed in a targeted manner, waste is reduced, and efficiency is improved. Due to the multi-release design, the fire extinguishing agent can be released again when single-time fire extinguishing does not occur, and the effect is enhanced. Remote control is achieved through the control assembly, and the fire extinguishing process is more intelligent and automatic. The point-type / line-type temperature sensing detector monitors the temperature in the vehicle in real time, and a fire extinguishing device is started in time to prevent fire disasters when abnormity is found. The fire extinguishing device has the advantages of partitioned protection, repeated release, intelligent control and the like.

The invention describes a battery pack, the battery pack comprises a box body, and a separator and a fire-fighting device which are arranged in the box body, the box body comprises a top plate and a bottom plate which are oppositely arranged; one end of the isolation piece is connected to the top plate of the box body, and a gap is formed between the other end of the isolation piece and the bottom plate; the fire fighting device is connected to the top plate and located on one side of the isolation piece, and the fire fighting device can release a fire extinguishing agent so that the fire extinguishing agent can diffuse in the box body. The battery pack further comprises an anti-explosion valve, and the anti-explosion valve is connected to the top plate and located on the side, away from the fire fighting device, of the isolation piece. Therefore, the fire extinguishing agent can fully diffuse in the box body before reaching the anti-explosion valve, so that a better fire extinguishing effect is achieved. In addition, the arrangement of the separator can also prolong the time of discharging the fire extinguishing agent from the explosion-proof valve, and reduce the probability of reburning of the battery pack.

The invention belongs to the technical field of fire extinguishing agent materials, and provides an aluminum silicate gel fire extinguishing agent for lithium battery fire disasters and a preparation method of the aluminum silicate gel fire extinguishing agent. The fire extinguishing agent is composed of a modified aluminum silicate gelling agent, a modified emulsion, a cross-linking agent, an adsorbent, a flame retardant, a foam stabilizer and a foaming agent, a phosphate group is introduced into the aluminum silicate gelling agent, so that the aluminum silicate gelling agent has better free radical capturing capacity, hydroxyl free radicals and hydrogen free radicals in flames are eliminated, and the flame extinguishing effect is improved. According to the present invention, the modified emulsion is added, such that the good fire extinguishing effect can be provided, the re-combustion phenomenon of the lithium ion battery can be effectively prevented, the long-chain alkyl group and the epoxy group are introduced into the modified emulsion so as to improve the lipophilicity and the hydrophilicity of the emulsion, effectively reduce the surface tension, and improve the wetting effect on the surface of the lithium battery; the fire extinguishing effect is further enhanced, and meanwhile, the activated carbon adsorbent can well adsorb generated harmful gas when the lithium ion battery is on fire.

The invention relates to the technical field of fire extinguishing, and discloses a fire extinguishing unmanned vehicle with positioning and navigation functions, comprising: an electric trolley, the top end of which is fixedly provided with a roof for supporting the whole device; the water spraying assembly is arranged on the car roof and used for extinguishing a fire scene; the fire extinguishing assembly is connected with the car roof and used for assisting the water spraying assembly to extinguish fire; the auxiliary assemblies are arranged at the two ends of the electric trolley and used for extinguishing surface fire in the fire scene; the control assembly is arranged on the car roof and used for positioning and navigating the device; the water spraying assembly comprises a water tank, the lower surface of the water tank is fixed to the car roof, a water injection opening penetrates through the top end of the water tank, and through cooperation of internal structures of the nozzle assembly, a motor rotates a first gear to drive a second gear and a nozzle to rotate, and the effect of widening the fire extinguishing range is achieved; the technical problems that an existing fire extinguishing device is limited in coverage range and low in fire extinguishing efficiency are solved.

The invention relates to the technical field of fire extinguishing agents, and discloses an anti-soluble aqueous film-forming foam fire extinguishing agent and a preparation method thereof.The anti-soluble aqueous film-forming foam fire extinguishing agent comprises a short-chain fluorocarbon surfactant, a hydrocarbon surfactant, a carboxyl modified organosilicon surfactant, a foam stabilizer, a modified flame retardant, a cosolvent and a pH regulator; the carboxyl modified organic silicon surfactant is obtained by modifying a hydroxyl-containing organic silicon surfactant by using maleic anhydride; the modified flame retardant is obtained by carrying out surface modification treatment on a flame retardant by utilizing a silane coupling agent. According to the invention, the short-chain fluorocarbon surfactant and the carboxyl modified organosilicon surfactant are compounded, and the hydrocarbon surfactant, the foam stabilizer, the cosolvent, the modified flame retardant and the pH regulator are added, so that the synergistic interaction among the components is fully exerted; and the anti-soluble aqueous film-forming foam extinguishing agent which is high in surface activity, strong in foaming and foam stabilizing capability and excellent in fire extinguishing performance and does not contain PFOS is obtained.

The invention relates to the technical field of nozzles, and discloses a combined nozzle of a high-pressure water mist machine, which mainly comprises a fixed column, a movable mechanism and an auxiliary mechanism, a fixed cavity is formed in the center of the upper half part of the fixed column, and a sealing cavity is formed in the center of the lower half part of a nozzle shell; the fixing column is movably connected with the upper half portion of the movable mechanism through the fixing cavity, the spray head shell is movably connected with the lower half portion of the movable mechanism through the sealing cavity, and the movable mechanism is fixedly connected with the auxiliary mechanism. When the combined spray head is not used, a movable rod moves upwards under the action of a vertical spring and pushes an auxiliary mechanism to synchronously move upwards, so that an auxiliary circular plate is attached to a spray head shell, an upper auxiliary plate seals an outlet of a nozzle, the nozzle in the spray head shell is effectively prevented from being exposed outside for a long time, and the probability that dust enters the nozzle to cause blockage is reduced; and the fire extinguishing efficiency is improved.

The invention discloses fire preventing and extinguishing adhesive gel for the top of a coal mine goaf, a preparation method and application, and relates to the technical field of mine fire preventing and extinguishing. The method comprises the following steps: firstly, preparing a sodium alginate solution, then preparing a nano-clay-polydopamine composite material, and mixing and stirring the nano-clay-polydopamine composite material and the sodium alginate solution to obtain a mixed solution I; adding a sodium hydroxide aqueous solution into acrylic acid for partial neutralization, and adding the mixed solution I into the neutralized solution to obtain a mixed solution II; adding an initiator and a cross-linking agent into the mixed solution II, and uniformly stirring to obtain a mixed solution III; and finally, stirring the mixed solution III at a certain temperature to form gel, thereby obtaining the product. The prepared fire preventing and extinguishing gel is especially suitable for the top of a coal mine goaf, and shows excellent leakage stoppage performance, inhibition performance, adhesion and water-retaining performance.

The utility model provides a battery maintenance platform. The battery maintenance platform comprises a lifting driving piece, a locking mechanism, a containing box provided with a containing space and a storage table used for storing batteries. The object placing table is installed on the lifting driving piece, and the lifting driving piece is installed on the containing box and used for driving the object placing table to ascend and descend in the containing space; the locking mechanism is installed on the containing box and used for locking the storage table at the current position when lifting of the storage table is completed. According to the utility model, the fire extinguishing effect is improved, the durability of the lifting driving piece is improved, and the energy consumption of the lifting driving piece is saved.

The invention relates to the technical field of box-type transformers, and discloses a box-type transformer and a transformer control method based on voltage stabilization regulation, and the box-type transformer comprises a main cement base, a box body, a transformer chamber arranged in the box body, a box door installed on the side wall of the transformer chamber, and a ventilation opening formed in the bottom wall of the transformer chamber. A plurality of fire extinguishing openings are formed in the bottom wall of the transformer chamber, and a plugging base, a fire extinguisher and a control assembly are arranged at the bottom of the box body. By arranging the fire extinguishing port, the plugging seat, the fire extinguisher, the assembling assembly and the control assembly, when a fire occurs in the transformer chamber, the fire extinguishing port is closed after the plugging seat is driven to move upwards, the output end of the fire extinguisher is driven to be inserted into the transformer chamber, and meanwhile the fire extinguisher is started to spray a fire extinguishing agent into the transformer chamber; and meanwhile, compared with manual fire extinguishing, the fire extinguishing device is more convenient and safer, and the risk that fire extinguishers are electrically shocked and burnt is reduced.

The utility model discloses a lithium battery pack with a fire extinguishing function in the technical field of lithium battery packs, which comprises an explosion-proof shell, a cover plate and a battery component, a connecting plate is fixedly connected to the upper end of the explosion-proof shell, the middle of the connecting plate is hollow and is communicated with the explosion-proof shell in a penetrating manner, and a motor component is arranged in the explosion-proof shell and is fixedly connected with the cover plate. And the cover plate is connected to the upper end of the explosion-proof shell. The lithium battery protection device has the advantages that the protection plates are arranged between the lithium batteries, the dry powder is arranged in the protection plates, the protection plates are hot-melted after a fire breaks out to enable the dry powder to be emitted to extinguish the fire, meanwhile, inert gas is arranged in the gas storage shell at the upper end of the cover plate, and eruption extinguishment is conducted through sensing of the smoke sensor. And the lower end of the anti-explosion shell can promote oxygen in the mounting groove to be erupted and discharged out of the mounting groove, inert gas is promoted to be dispersed in the mounting groove for fire extinguishing, and practicability is high.

This utility model discloses a combined car cooling and fire extinguishing robot, including an active fire extinguishing mechanism and a passive fire extinguishing mechanism. The active fire extinguishing mechanism includes a chassis with walking mechanisms on both sides. A fire extinguishing pipe is installed inside the chassis, including a water inlet pipe with a first water inlet at one end and a water outlet at the other end. Several water inlet branch pipes are evenly connected to both sides of the water inlet pipe, and a spray pipe is connected to the end of each branch pipe. A first nozzle is installed at the outlet of the spray pipe. The passive fire extinguishing mechanism includes a fire extinguishing frame with a second water inlet. A connecting pipe connects the outlet and the second water inlet. Second nozzles are evenly arranged on the top of the fire extinguishing frame. This utility model has two fire extinguishing mechanisms, increasing the fire extinguishing range. Furthermore, the two fire extinguishing mechanisms are relatively low, allowing them to easily penetrate under the vehicle to precisely cool the battery and quickly and effectively control the fire.

The invention provides a safety type fireproof power distribution cabinet for electrical construction, and belongs to the technical field of power distribution cabinets, the safety type fireproof power distribution cabinet comprises a cabinet body, a piston assembly, an air bag and a detection assembly, a cabinet door is arranged on one side of the cabinet body, a partition plate is fixedly arranged on the top of the inner side of the cabinet body, and the piston assembly is arranged on the upper portion of the partition plate; an expansion medium is arranged on one side of the piston assembly, the multiple sets of air bags are vertically distributed below the partition plate and are sequentially communicated, the uppermost set of air bags are communicated with the area above the partition plate, and the detection assembly is installed on the side wall in the cabinet body. The temperature sensor is used for detecting the temperature in the cabinet body. Compared with the prior art, when a certain electrical element in the power distribution cabinet is on fire, automatic fire extinguishing treatment of the electrical element can be achieved, other electrical elements which are not on fire cannot be damaged in the fire extinguishing process, loss is reduced, and the fire extinguishing effect is improved.

The invention relates to the technical field of electric cabinets, and discloses an outdoor rainproof electric cabinet, comprising a box body, and also comprising a rainproof component, a cooling component, a heat dissipation device, a pushing device and an insect extermination device; the rainproof component comprises a supporting column, a block, a water inlet hole and a drainage hole, the supporting column is fixedly connected to the bottom of the box body, the block is fixedly connected to the top of the box body, the water inlet hole is arranged at the top of the block, and the drainage hole is arranged on the surface of the rear part of the block; the cooling component comprises a motor, a baffle and a guide plate, the motor is fixedly connected to the left side of the baffle, the baffle is rotatably connected to the inner wall of the baffle, and the guide plate is fixedly connected to the rear part of the box body; the invention has the characteristics of good rainproof effect.