162results about How to "Efficient fire fighting" patented technology

The invention discloses a general A-type foam extinguishing agent easy to degrade. The general A-type foam extinguishing agent easy to degrade comprises the following components in parts by weight: 8%-25% of main foaming agents, 5%-20% of auxiliary foaming agents, 20%-40% of cosolvents, 0.1%-5% of foam stabilizers and the balance of water, and also comprises a proper amount of wetting penetrating agents, corrosion inhibitors and preservatives. The foam extinguishing agent has the characteristics of excellent fire extinguishing, heat-insulation protection performance and low toxicity, and can be used for rapidly fighting commonly-seen solid fire and liquid fire.

The invention provides an intelligent fire-fighting system and method for a transformer substation. The intelligent fire-fighting system comprises a plurality of fire-fighting robots and fire-fightingmedium supply equipment as well as a control center, wherein the fire-fighting robots and the fire-fighting medium supply equipment are arranged on each area in the transformer substation in a spacedmode; the fire-fighting medium supply equipment can be fixed, and also can be movable; while a fire behavior occurs, ignition point information can be obtained according to a smoke / temperature sensorarranged on each area in the transformer substation, also can be obtained by sensors on the fire-fighting robots, and also can be detected by arranging an unmanned aerial vehicle. The control centerschedules the fire-fighting robot closest to the ignition point, so that the fire-fighting robot firstly goes to the ignition point to extinguish fire; and meanwhile, other fire-fighting robots closerto the ignition point or the fire-fighting medium supply equipment can be scheduled to go to the ignition point. The intelligent fire-fighting system realizes timely fire-extinguishing and adaptive fire-extinguishing.

The invention provides a foam generator for compressed gas. The foam generator comprises a foam generator shell, a liquid nozzle, a turbulator and a compressed gas entrance, wherein the liquid nozzle is used for controlling flow rate of foam extinguishing agent premixed liquid entering the foam generator; and the compressed gas entrance is used for controlling flow rate of compressed gas entering the foam generator. The foam generator is used for enabling the foam extinguishing agent premixed liquid entering the foam generator to form rotating fog liquid, and be impacted with and mixed with the compressed gas entering the foam generator to form foam. Compared with the prior art, the foam generator for the compressed gas provided by the invention can greatly improve the mixing capacity of foam liquid and high-pressure gas, so that the ejected foam has the advantages of high kinetic energy, long ejecting distance, uniform and stable foam, high fire-extinguishing speed, high fire-extinguishing strength, long fire-retarding time, high fire-extinguishing efficiency, small use amount of foam and the like.

The invention relates to a program-controlled injection strategy used for fire suppression of an electrochemical energy storage system. A composite sensing fire monitoring module and a fire extinguishing system are mounted in a battery prefabricated cabin, the fire extinguishing system is connected with a fire alarm controller, and a distribution valve is mounted at the top of each battery module; when the composite sensing fire monitoring module sends out an alarm signal, the composite sensing fire monitoring module can rapidly acquire failures and failure positions of batteries; and the fire alarm controller is linked, the corresponding distribution valves are opened, the fire extinguishing system is quickly started, the fire position where the battery thermal runaway occurs is quickly extinguished and continuously cooled, and the batteries are prevented from reburning. According to the program-controlled injection strategy, a grading early warning mechanism is combined with a perfluorohexanone fire extinguishing agent to cooperate with the program-controlled injection strategy to achieve the fire extinguishing system, the lithium battery fire can be effectively suppressed, the characteristics of accurate positioning, efficient fire extinguishing, continuous cooling and environment friendliness are achieved, and electrical equipment is protected and explosion is controlled to the maximum extent through the grading linkage control signal strategy.

The invention discloses a charging cabinet, and the inner portion of the charging cabinet is provided with a fire fighting system. Environment data of the charging cabinet is monitored by using a detector in the firefighting system. Early-warning signals are sent and the opening of a fire extinguisher is controlled according to the monitored data. The charging cabinet has the advantages of being achievable in fire pre-warning and efficient firefighting, and capable of improving safety of the charging cabinet.

The invention discloses a fire extinguishing system with combined effect of clean chemical gas and fine water mist. The fire extinguishing system is characterized by comprising a compressed air storage tank, a fine water mist and water storage tank, a clean chemical gas fire extinguishing agent storage tank, a fire extinguishing agent proportional mixer and an atomizing spray head, wherein the compressed air storage tank is respectively communicated with a gas inlet of the water mist and water storage tank and a gas inlet of the clean chemical gas fire extinguishing agent storage tank by an air pressure-reducing valve through a pipeline; a water outlet of the water mist and water storage tank and a fire extinguishing agent outlet of the clean chemical gas fire extinguishing agent storage tank are respectively communicated with an inlet of the fire extinguishing agent proportional mixer by a pipeline; an outlet of the fire extinguishing agent proportional mixer is connected with the atomizing spray head by a pipeline. The fire extinguishing system disclosed by the invention realizes the effective combination of two fire extinguishing ways of clean chemical gas fire extinguishing and water mist fire extinguishing, not only can realize the efficient, quick and clean fire extinguishing, but also can effectively lower the temperature of a fire scene, and can lower the concentrations of poisonous and corrosive gases such as HF in a fire extinguishing space.

The invention discloses a firefighting system for a lithium system power battery. The firefighting system comprises a fire extinguishing pipe, a pressure sensor and a fire extinguishing medium. The pressure sensor is arranged at one end of the fire extinguishing pipe and is used for detecting pressure in the fire extinguishing pipe. The fire extinguishing medium is arranged in the fire extinguishing pipe. When the pipe body temperature of any position of the fire extinguishing pipe is higher than the first preset temperature, the corresponding position of the pipe body is molten to form a nozzle used for releasing the fire extinguishing medium. When the pressure sensor detects that the pressure in the fire extinguishing pipe is lower than the preset pressure, a firefighting system abnormalsignal is sent to a vehicle-mounted battery management system. The firefighting system for the lithium system power battery is lighter, more intelligent and more efficient.

The invention discloses an intelligent robot integrating a floor sweeping function and a fire protection function into a whole. A trolley body moving freely is arranged, a rotating sweeping brush anda dust scraping plate are installed on the trolley body to sweep a floor, and the trolley body, the rotating sweeping brush and the dust scraping plate are controlled to flexibly move for sweeping work by an intelligent control template; simultaneously an extinguishant tank, a smoke sensor and an infrared sensor are installed on the trolley body, in the normal state, the robot carries out the sweeping work, when a fire disaster happens, the smoke sensor and the infrared sensor detect relevant information, automatically detect a fire source and transfers the detected information to the intelligent control template, and the intelligent control template releases an extinguishant out of the extinguishant tank for fire extinguishment through an electromagnetic valve; simultaneously, a horizontal rotating motor drives a horizontal rotating table, and a pitching adjusting motor drives a pitching rotating wheel to rotate, so that the extinguishant is sprayed to the fire source, and the fire extinguishment is carried out efficiently; and the intelligent robot has a very good use value.

The invention discloses a stereoscopic garage ventilation extinguishing system. The stereoscopic garage ventilation extinguishing system comprises a garage body. A plurality of parking layers are arranged in the garage body from top to bottom, an elevating channel is arranged in the center of the garage body, a car elevating device is mounted in the elevating channel, and each parking layer is evenly divided into a plurality of parking spaces through partition walls; a ventilation channel is arranged in the garage body, a plurality of ventilation ducts are connected successively to form the ventilation channel, the adjacent two ventilation ducts are connected by connecting parts, each ventilation duct is set one by one for each corresponding parking layer, each parking space is provided with an air exhaust outlet, and draught fans and ventilation hoods are arranged on the position of air outlets of the ventilation ducts; and a plurality of first high pressure water nozzles are mounted on the top portion of each parking space, a drainage groove is formed in the bottom of each parking space, and the second high pressure water nozzles are arranged uniformly in the drainage grooves. Thus, the air in the stereoscopic garage is discharged through the ventilation ducts, so that the air in the stereoscopic garage is circulated with the outside world and the air quality in the stereoscopic garage is improved. The high-pressure water nozzles are set, so that the fire extinguishment is conducted efficiently.

The invention discloses a compressed air foam fire extinguishing device for a large floating roof storage tank. The device consists of a foam solution generation mechanism, an air source and an air conveying dry pipe thereof, a foam release mechanism, a fire monitoring alarm and a box type compressed air foam generation mechanism. The device has multiple use modes, can be combined with such release devices as compressed air foam guns, cannons, nozzles or release pipes for use, is applied in such multiple modes as compressed air foam automatic spraying, compressed air foam fire hydrants and compressed air foam automatic seeking cannons, and effectively satisfies actual fire extinguishing demands of the large floating roof storage tank. The performance of the device is obviously superior to that of a traditional large outer floating roof storage tank low-power foam fire extinguishing system; and the defects of the low-power foam fire extinguishing system can be made up. The device not only can be applied to a newly built large floating roof storage tank, but also can be used for upgrading and reconstruction based on the tank wall type low-power foam fire extinguishing system of the traditional large floating roof storage tank.

The invention discloses a linkage fire fighting system for an energy storage container. An inner cavity of the container is provided with a fire disaster monitoring system, a fire disaster alarming system and a fire extinguishing disposal system. According to the fire disaster monitoring system, a stereoscopic monitoring system of three signal sources is composed of a smog alarming device, a camera shooting monitor and a temperature monitor. An emergency lamp and a sound and light alarming device arranged for the fire disaster alarming system are directly controlled by the smog alarming device, and a sound and light alarm is given out immediately when a fire disaster happens. The fire extinguishing disposal system is composed of a fire extinguishing sprayer, a carbon dioxide gas bottle, anitrogen gas bottle, an exhaust fan, a manual emergency switch, a mechanical louver, a fire disaster alarming controller, a flow signal meter and a PCS controller; and the linkage fire fighting systemcan perform full-automatic fire extinguishing and remote control fire extinguishing, can also manually control fire extinguishing, and practically achieves fixed point fire extinguishing, in-time fire extinguishing and efficient fire extinguishing.

The invention discloses a wireless alarming fire-extinction terminal monitor for forest fire. The terminal monitor is characterized in that temperature, moisture and smoke data in the forest can be automatically collected by the terminal monitor and is automatically and intelligently analysed and judged by the terminal monitor; once data exceeds the normal range, fire-extinction equipment is automatically started to extinct fire after the terminal monitor receives a fire-extinction order, thus, the forest fire is monitored in real time, and the forest fire can be automatically put off in time, thereby realizing the purpose of putting off fire as soon as finding the fire; and in the system, the solar cell plate is adopted to supply power in on need of manually erecting and maintaining power grids, which is more convenient for the terminal monitor to implement and apply.

The invention discloses an automatic fire extinguishing system and method for urban main combat fire fighting truck. The system comprises a bottom support platform, a top support platform, a center control system and a display system; the top support platform is installed on the bottom support platform; a first horizontal motor is installed on the bottom support platform, a pitching motor is installed on the first horizontal motor, and a fire monitor is installed on the pitching motor; a second horizontal motor is installed on the top support platform, and a first camera, an infrared camera and a second camera are sequentially installed on the second horizontal motor; and the first horizontal motor, the pitching motor, the first camera, the infrared camera, the second camera and the secondhorizontal motor are connected to the center control system, and the center control system is connected to the display system. According to the system and the method, the requirement for the number of fire fighters in the fire extinguishing operation of the urban main combat fire fighting truck is reduced, meanwhile the speed and the efficiency of fire extinguishing operation are improved, and therefore the purposes of fast, efficient and safe fire extinguishing in the urban fire scene are achieved.

The invention relates to the technical field of high-rise building fire rescue devices, in particular to a control system for high-rise building unmanned gyroplane fire extinguishing and a fire extinguishing system. The control system comprises a high-altitude detection module, a ground treatment module, a controller and an ignition relay; the high-altitude detection module is installed on an unmanned gyroplane and used for collecting parameters of the linear distance between a fire extinguishing bomb and an ignition point and an image of the ignition point; the ground treatment module is usedfor calculating the position coordinates of an aiming point in the image of the ignition point; the controller is installed on the unmanned gyroplane and used for editing an ignition instruction according to the received position coordinates of the aiming point in the image of the ignition point and transmitting the ignition instruction to the ignition relay; and the ignition relay is installed on the unmanned gyroplane and used for igniting a launching device of the fire extinguishing bomb according to the received ignition instruction and launching the fire extinguishing bomb towards the aiming point. According to the control system for high-rise building unmanned gyroplane fire extinguishing, the high-altitude detection module, the controller and the ignition relay are carried by the unmanned gyroplane, therefore, the purpose of controlling fire extinguishing bomb to be precisely launched to the ignition point is achieved, the structure is simple, and the cost is low.

The invention discloses a centrifugal-axial flow combined blower fan used for a wind power fire-extinguisher used on grassland, belonging to the design field of a wind power fire-extinguisher used on grassland. According to the centrifugal-axial flow combined blower fan disclosed by the invention, a centrifugal blower fan and an axial-flow blower fan are respectively driven through two shafts with independently-adjustable rotating speed, the optimized matching of properties of the centrifugal blower fan and the axial-flow blower fan can be realized, besides air sucked through a suction force generated by the centrifugal blower fan due to self-rotation, additional air is sucked by the axial-flow blower fan through rotation, so that the problems of small flow quantity, low air pressure at an outlet, low efficiency and the like of the centrifugal blower fan are solved, and at the same time, different rotating speed combination can be flexibly selected according to different operating conditions of the wind power fire-extinguisher so as to realize efficient, quick and optimized fire-extinguishing of the grassland.

The invention relates to a fire fighting system using superfine dry powder as an extinguishing agent. The fire fighting system comprises two parts, i.e., a delivery subsystem and a control subsystem, wherein parts of the control subsystem are connected with the delivery subsystem through a pipe network of the delivery subsystem; the delivery subsystem comprises an air compressor, a high-pressure gas cylinder, a safety valve, a check valve, the pipe network, a dry powder extinguishing agent spray nozzle and novel superfine monoammonium phosphate extinguishing power; and the control subsystem comprises a detector, an electric valve, an alarm and a fire fighting control center. A using method of the fire fighting system using the superfine dry powder as the extinguishing agent comprises seven major steps. The fire fighting system disclosed by the invention can be widely used for the extinguishment of the pipe network of a large-scale closed building and has an extensive application prospect and practical significance in the technical field of public security fire fighting.

The invention discloses a fire extinguishing system and method suitable for an ultrahigh voltage converter station and the ultrahigh voltage converter station. The fire extinguishing system comprisesa spray fire extinguishing system and a fire monitor fire extinguishing system, the spray fire extinguishing system comprises first fire pipelines and spray pipes, and the fire monitor fire extinguishing system comprises second fire pipelines and fire monitors. One fire monitor is arranged over each of fire walls on two sides of each converter transformer in the ultrahigh voltage converter station, each fire monitor communicates with one second fire pipeline, one spray pipe is arranged on each of the fire walls on two sides of each converter transformer, each spray pipe communicates with one first fire pipeline, and the fire monitors and outlets of the first fire pipeline spray pipes at the position of each converter transformer right face the converter transformer. The fire extinguishingsystem and method have the advantages of overcoming the shortcomings and defects of an existing fire extinguishing system design and realizing efficient and reliable fire fighting.

The invention discloses a flying claw device used for a high-rise fire extinguishing system. The flying claw device is composed of an ejection mechanism, a flying claw mechanism and a pipeline traction assembly. The ejection mechanism is mounted on a firefighting vehicle or an unmanned aerial vehicle, and the firefighting vehicle or the unmanned aerial vehicle serves as an ejection mechanism launching platform. The flying claw mechanism is located inside the ejection mechanism. The pipeline traction assembly is mounted on the rear portion of the flying claw mechanism and is in matched connection with a fire extinguishing agent pipeline. After the ejection mechanism rapidly arrives and gets close to a fire source, a flying claw mechanism protecting cover and a pipeline traction assembly protecting cover are fractured or fused at the high temperature, a spring embedded in the position, between a rotating pin and a spring blocking pin, on a spring shaft extends, and meanwhile hanging teeth are unfolded under the effects of the spring and the rotating pin. The hanging teeth hook a window body near the fire source or a structural piece in a high-rise building or other firm grabbing objects through the applied force to a rope for fixing. Fire extinguishing agents are conveyed continuously through the fire extinguishing pipeline and a spray head of the pipeline traction assembly for fire extinguishing, the flying claw device is high in reliability, and the fire extinguishing efficiency is high.

The invention discloses an extinguishing device for a tall building roof, mainly comprising a water storage tank (2) arranged a roof plane (1), a firefighting pump (3) communicated with the inside of the water storage tank (2) and a long-arm fire monitor (4) connected with the firefighting pump (3). By using the extinguishing device, the problem that fire extinguishment in a tall building and a super-tall building can be well solved. The extinguishing device has unique function and remarkable advantage of extinguishing fire in the tall building.

The invention provides a fire extinguishing bullet and a fire extinguishing bullet system. The fire extinguishing bullet comprises a bullet body, the bullet body comprises a steering engine compartment, an engine compartment, a fire extinguishing agent compartment and a fuze. The bullet body further comprises a guiding head, an inertia measuring device and a missile-borne computer. The guiding head is used for measuring the position information of a targeted igniting point; the inertia measuring device is connected with the guiding head and is used for inspecting the angle speed and the accelerated speed of the bullet body of the guiding head; the missile-borne computer is connected with the guiding head and the inertia measuring device correspondingly, the missile-borne computer receivesthe angle speed and the accelerated speed of the inertia measuring device, calculates the speed and the sport pose of the bullet body, and control the steering engine compartment to adjust the speed,operation trails and the sport pose of the bullet body. According to the fire extinguishing bullet, the hit precision is higher, fire extinguishing can be more effective.

The invention provides a substation fire-fighting continuous operation system and a method thereof. The system comprises a fire-fighting robot and fire-fighting medium supply equipment, wherein the fire-fighting medium supply equipment is provided with a water supply mechanism and a foam supply mechanism. A fire-fighting mode combining the fire-fighting robot with the fire-fighting medium supply equipment is provided, and continuous operation can be carried out. Meanwhile, spraying mediums and spraying angles can be switched according to fire situations, it is ensured that fire behaviors are controlled most rapidly, and guarantee is provided for reliable and safe operation of a substation.

A fire-extinguishing vehicle for extinguishing the fire accident on grassland and in forest is composed of vehicle body, wheels, power system, a controllable positioner, and fire extinguishing system which consists of a fire-extinguishing agent container, a screw delivering unit driven by motor, a heater, a cooler, a strong blower, and a fire-extinguishing gun.

The invention discloses a safety protection device of a lithium battery energy storage system, the battery energy storage system comprises a plurality of battery modules, the device comprises: a cabinet body, wherein the cabinet body comprises a plurality of mutually independent cavities, and the battery modules are distributed in the plurality of cavities; a plurality of smoke detectors which arearranged in the plurality of cavities and are used for detecting whether smoke occurs in the cavities for accommodating the smoke detectors or not; a plurality of smoke detectors which are connectedto the control device in parallel; and a fire extinguishing device which is used for accommodating a fire extinguishing agent and is arranged in the plurality of cavities, wherein when the temperaturein the cavities exceeds the temperature threshold value of the fire extinguishing device in the cavities, the fire extinguishing device releases the fire extinguishing agent. According to the safetyprotection device of the battery energy storage system, the fire signal is detected in the small space of the battery PACK layer, the fire extinguishing agent is automatically released, the efficientfire extinguishing effect can be achieved, and the safety performance of the lithium battery energy storage system is improved.

The invention provides a fire hydrant monitoring and control system based on Internet of Things. The fire hydrant monitoring system comprises a fire hydrant monitoring system, a control system, a mobile terminal, a cloud platform, a server and a base station. The fire hydrant monitoring and control system adopts an NB-IoT wireless communication technology, and realizes the wireless communication among the fire hydrant monitoring system, the control system, the cloud platform and the mobile terminal. The fire hydrant system based on Internet of Things is arranged on the basis of the LB-IoT wireless communication technology, and can acquire the state information and distance of each fire hydrant and send the state information and the distance to a fire control center and the mobile terminalstarted on the fire hydrant, so that the fire control center can schedule in time for rescue, and can find the corresponding positions of the fire hydrants in time. The fire hydrant monitoring and control system can monitor the states of the fire hydrants more conveniently and quickly, accurately acquires information, and achieves the purpose of efficiently extinguishing a fire.

The invention provides a precise guidance fire extinguishing bomb system applied to forest fire extinguishing, and relates to the field of forest fire extinguishing. The precise guidance fire extinguishing bomb system applied to forest fire extinguishing comprises a fire extinguishing bomb body and a remote control terminal; the fire extinguishing bomb body comprises a near-sensing fire scene detection device, a fire extinguishing cabin, a power supply device, a combined navigation control device and a rudder control device; the near-sensing fire scene detection device comprises an infrared detector, a laser detector and a fuze mechanism; the combined navigation control device comprises a missile-borne computer and a navigation module; and the rudder control device comprises a tail rudder surface, a rudder and a rudder control module. The near-sensing fire scene detection device, the fire extinguishing cabin, the power supply device, the combined navigation control device and the rudder control device form a fire extinguishing bomb body, and the fire extinguishing bomb body is launched to a fire area to implement long-distance, efficient and safe fire extinguishing operation, so that the purposes of quickly extinguishing or inhibiting forest fire and avoiding casualties are achieved.

The invention relates to a fire extinguishing system for inhibiting fire explosion of an energy storage power station. The fire extinguishing system comprises a refrigerant cooling spray heads, refrigerant system pipe networks, refrigerant storage tanks filled with a refrigerant, gas fire extinguishing system spray heads, gas fire extinguishing system pipe networks and gas storage tanks filled with a gas fire extinguishing agent, wherein each refrigerant cooling spray head is arranged above each battery module in the container energy storage power station; each refrigerant cooling spray nozzleis connected to the refrigerant storage tank through the refrigerant system pipe network to form a fixed refrigerant pipe network system; the gas fire extinguishing system spray heads are arranged inthe container energy storage power station; each gas fire extinguishing system spray head is connected to the gas storage tank through the gas fire extinguishing system pipe network to form a fixed gas fire extinguishing agent pipe network system; a refrigerant is released through the fixed refrigerant pipe network systems to perform cooling and explosion suppression on the battery; and the fixedgas fire extinguishing agent pipe network systems release a gas extinguishing agent to extinguish flame, so that efficient fire extinguishing is achieved, and after-combustion and explosion are effectively inhibited.

The invention discloses a fire extinguishing system suitable for an extra-high voltage converter station, a fire extinguishing method and the extra-high voltage converter station. The fire extinguishing system comprises a spraying fire extinguishing system and a fire monitor fire extinguishing system; the spraying fire extinguishing system comprises first fire fighting pipelines and spraying pipes, and the fire monitor fire extinguishing system comprises second fire fighting pipelines and fire monitors; and one fire monitor is arranged right above firewalls on the two sides of each converter transformer in the extra-high voltage converter station, each fire monitor communicates with one corresponding second fire fighting pipeline, the spraying pipes are arranged on the firewalls on the twosides of each converter transformer, each spraying pipe communicates with one corresponding first fire fighting pipeline, the fire monitor at the position of each converter transformer and outlets ofthe corresponding first fire fighting pipeline and the spraying pipe right face the converter transformer; The fire extinguishing system has the advantages that the defects of an existing design of afire extinguishing system are overcome, and efficient fire extinguishing and reliable fire extinguishing are achieved.

The invention discloses an electromagnetic launch type fire-extinguishing bomb, and belongs to the technical field of fire extinguishing and fighting. The fire-extinguishing bomb mainly comprises twoparts of an electromagnetic launch device and a fire-extinguishing bomb body, wherein the fire-extinguishing bomb body is launched to a fire area of a high-rise building by the electromagnetic launchdevice, a fire is efficiently and rapidly extinguished, the fire-extinguishing bomb body is fixedly arranged in the electromagnetic launch device through a bomb support, the electromagnetic launch device works after a switch is switched on, the electric energy in an energy storage power supply is converted into the kinetic energy of an armature to launch the fire-extinguishing bomb body, the armature and the bomb support, the armature and the bomb support are immediately dropped, the fire-extinguishing bomb body is ignited in the air to work to be close to a fire source quickly, a warhead is detonated, fire-extinguishing substances in the fire-extinguishing bomb body are dispersed on the fire source, oxygen near the fire source is absorbed or isolated, and the purpose of fire extinguishingis realized. When the fire or explosion occurs in the high-rise building, fire-fighting personnel can use the fire-extinguishing bomb for fire extinguishing and rescue, the fire-extinguishing bomb body is accurately launched to a fire place, and the fire is extinguished in time, so that the fire extinguishing efficiency is improved, and the safety of fire-fighting personnel during fire extinguishing is ensured.

The invention provides a high-efficiency ABC dry powder extinguishing agent with the content of main components being larger than 90%. The high-efficiency ABC dry powder extinguishing agent is characterized in that the components comprise monoammonium phosphate and ammonium sulfate, wherein the mass fraction of the monoammonium phosphate is larger than 75%, and the sum of the mass fractions of the monoammonium phosphate and the ammonium sulfate is larger than 90%. The powder granularity is reasonable in distribution, and the content of the monoammonium phosphate in a chassis is larger than 75%. The high-efficiency ABC dry powder extinguishing agent has the advantages of being high in content of main components, good in extinguishing effect, simple in production process and the like, and has high market potential.

The invention discloses a fire extinguishing device of a power battery box. The fire extinguishing device comprises a cover plate, a liquid inlet, a pipeline and a nozzle, wherein the liquid inlet isformed in an automobile body, the cover plate is hinged to the automobile body and can rotate between the position of opening the liquid inlet and the position of closing the liquid inlet, one end ofthe pipeline communicates with the liquid inlet, the other end of the pipeline communicates with the nozzle, the nozzle is arranged on a battery box body, and a liquid outlet of the nozzle extends into the battery box body. The high-efficiency fire extinguishing and cooling on the battery box body can be realized through the device, so that reburning or explosion of the battery box is effectivelyavoided, and the disaster and the other property loss can be reduced as much as possible. The invention further discloses an automobile. The automobile comprises the fire extinguishing device of the power battery box.