111results about How to "Function as a fire extinguisher" patented technology

The invention discloses a fire-proof and water-proof evacuating and escaping elevator, which overcomes the defect that the traditional elevator always becomes a smoke and fire spreading channel in a fire disaster and the operation of the elevator is affected. The fire-proof and water-proof evacuating and escaping elevator comprises an elevator hoistway, a machine room, a fire-proof hall door and a car and has the technical key point that a fire control water pipe, a hoistway air supply duct and water guidance equipment composed of a water chute and a water duct communicated with the water chute are arranged in the elevator hoisway; a fire control shower nozzle connected with the first control water pipe is fixed on the upper part of the fire-proof hall door or the ceiling of the hall of an elevator waiting hall; the top of the car is provided with an air purification device for conveying fresh air into the car; the projection surfaces of the fire control water pipe, the hoistway air supply duct and the water guidance equipment in vertical direction are respectively positioned outside a car projection surface; and each landing in the elevator hoistway is provided with a temperature detection sensor. The fire-proof and water-proof evacuating and escaping elevator has the advantages of simple structure and reasonable layout, can reliably operate at the early stage of the fire disaster so as to quickly and safely perform the evacuating and rescuing functions, fire-fighting equipment of the elevator conforms to the standard specifications, and the fire-proof and water-proof performance is improved greatly.

The invention discloses an automatic fire extinguishment device of a vehicle engine cabin. The device is provided with a fire extinguisher container arranged in an engine cabin, wherein an electronic valve is arranged at an outlet of the fire extinguisher container and is communicated with a plurality of multi-nozzle hoses in the engine cabin through pipelines; a control circuit board is arranged in the engine cabin, is connected with the electronic valve through a control circuit and is also connected with a smoke sensor; a cab alarm controller is arranged in a cab; an alarm lamp, a loudspeaker and a fire extinguishment control button are arranged on the cab alarm controller. According to the device, the spontaneous combustion phenomenon can be discovered in first time after the spontaneous combustion of the vehicle engine cabin occurs, judgment caution information is obtained, and the vehicle-mounted fire extinguishment device is started, so that the spontaneous combustion probability of a vehicle can be reduced, the property loss caused by the spontaneous combustion of the vehicle can be reduced, and the casualty accidents of drivers and passengers caused by untimely discovery of the spontaneous combustion of the vehicle can be reduced.

The invention relates to the fields of manufacturing and application of heat-resistant, heat-insulating, flame-retardant and high-temperature expansion materials, specifically to a hydrogel with fireproof and cooling functions and a preparation method thereof. The hydrogel comprises the following components in parts by mass: 0.05-20 parts of a hydrogel thickening agent, 5-35 parts of a freezing point depressant, 1-30 parts of an expanded foam material, 1-15 parts of an expanded flame retardant, 0.01-1 part of a foaming agent, 1-15 parts of a gas generating agent and 0.01-1 part of a bactericide. The hydrogel provided by the invention has the following innovations: when the hydrogel directly acts on the surface of a comburent, the hydrogel can be adhered to the surface of the comburent; meanwhile, foams can be generated on the surface of the comburent and contain water, so the water can be sealed in the foams to continuously exert cooling and fire extinguishing effects; after the wateris dried, an expansion flame-retardant layer can be formed to provide continuous heat-insulation and flame-retardant functions; and the functions of fire extinguishing, cooling, heat insulation and fire reburning prevention are achieved.

The invention relates to a high-safety oil-immersed type transformer. The high-safety oil-immersed type transformer comprises a transformer main body and an explosion-proof tube, wherein one end of the explosion-proof tube is communicated with the transformer main body, and the other end of the explosion-proof tube is communicated with atmosphere; the explosion-proof tube is internally provided with a first thin film, a second thin film, a first cavity, a second cavity, a third cavity and a fourth cavity; the first thin film and the second thin film are different in compressive strength; aluminum sulfate solution is contained in the first cavity and the third cavity, and sodium bicarbonate solution is contained in the second cavity and the fourth cavity; when an oil tank in the transformer main body is broken down, oil is cracked in high temperature to generate a large amount of gas, firstly the first thin film can be broken to reduce the pressure of the oil tank, the second thin film also can be broken if the fault is severe, the aluminum sulfate solution in the first cavity and the third cavity can flow out of gaps and flows into the second cavity or the fourth cavity along pipelines, the sodium bicarbonate solution in the second cavity or the fourth cavity reacts with the aluminium sulfate solution so as to play a role in fast cooling, and if a fire is generated, the effect of extinguishing the fire can be achieved.

The invention discloses a gaseous propellant fire extinguishing agent for aircraft dry chamber extinguishment. The gaseous propellant fire extinguishing agent is prepared by the following steps: weighing 15-86 parts of solid fuel, 5-50 parts of an oxidizing agent, 1-5 parts of an adhesive, 5-40 parts of a coolant, 5-40 parts of a fire extinguishing agent, and 0.1-2 parts of a lubricant and 0.1-2 parts of a catalyst, uniformly mixing the raw materials, drying, grinding, mixing and preparing. The gaseous propellant fire extinguishing agent disclosed by the invention has the characteristics of being good in stability, high in emission efficiency, high in fire extinguishing efficiency and low in cooling rate. The defects that an existing propellant gas producing agent is bad in stability, high in temperature, bad in fire extinguishing performance and the like are overcome, and the fire extinguishing agent has the very high application prospect in the aircraft dry chamber extinguishment.

The invention discloses a power cabinet with an explosion-proof function. The power cabinet comprises a cabinet body. A material storage box used for storing a fire extinguishing liquid is fixed to aninner side wall of the cabinet body, a pump machine is installed on the material storage box, a water pumping end of the pump machine is connected with the material storage box, a water outlet end ofthe pump machine is connected with a hollow plate, the hollow plate is fixed to the material storage box through a support, and evenly-distributed spray heads are installed on the hollow plate. By arranging the material storage box, the pump machine and the hollow plate, when a fire occurs in the cabinet body, the pump machine is started to pump out the fire extinguishing liquid in the material storage box, the fire extinguishing liquid is sprayed through the hollow plate, a fire extinguishing effect is achieved, and fire expansion is avoided; and a movable plate and a fixed plate are arranged, and a trigger block and a trigger switch are arranged on the movable plate and the fixed plate respectively so that when a fire occurs, the movable plate automatically descends due to increase of pressure in the cabinet body, the trigger block makes contact with the trigger switch to start the pump machine, and self-starting of the pump machine is achieved.

The invention discloses a liquid extinguishing agent and a water-based expendable fire extinguisher. The liquid extinguishing agent is prepared from the following components in parts by weight: 20-30 parts of carbamide, 15-30 parts of ammonium hydrogen carbonate, 5-10 parts of inorganic salt, 15-30 parts of anti-solving foam concentrate, 2-4 parts of a surfactant, 7-15 parts of sodium hydrogen carbonate, 546-491 parts of purified water. The water-based expendable fire extinguisher prepared by the liquid extinguishing agent comprises a fragile plastic container and the liquid extinguishing agent which is filled in the container. The fire extinguisher disclosed by the invention is simple to operate, good in fire-distinguishing effect and suitable for being used on public transport vehicles.

The invention discloses a fire-proof computer room based on a blockchain technology. The fire-proof computer room comprises a water tank and a computer room body. A window and a door opening are arranged in the computer room body. A cavity is formed in one side of the window and another cavity is formed in one side of the door opening. A hydraulic cylinder is arranged in each cavity. One end of each hydraulic cylinder is fixedly connected with a sealing plate. A fire alarm is arranged in the computer room body. One end of an air suction pump is communicated with an air outlet pipe. The air outlet pipe is inserted into the water tank. A waterproof device is arranged at the bottom of the computer room body. When a fire occurs, a warning is sent out by the fire alarm, and the sealing plates are driven by the hydraulic cylinders to block the window and the door opening, so that air inside the computer room body is isolated from the outside, and the internal sealing performance of the computer room body is kept. Meanwhile, a first valve is opened, and carbon dioxide in a carbon dioxide gas storage bottle is led into the computer room body, so that a fire extinguishing effect is achieved, and the fireproof effect of the computer room body is improved.

The invention relates to the field of structural buildings, in particular to a fireproof steel structure environment-friendly building. The fireproof steel structure environment-friendly building comprises a plurality of top plates, the edges of the top plates are movably spliced, the top plates jointly form a plate shape with the two sides obliquely extending downwards, a supporting structure is jointly installed on the lower end faces of the top plates, a water storage barrel is embedded in the lower side close to the top plates, an upper corner cutting plate and a lower corner cutting plate are fixedly installed at an upper end opening of the water storage barrel, the edges, close to each other, of the upper corner cutting plate and the lower corner cutting plate jointly form an inclined channel leading into the inner side of the water storage barrel, a plurality of splay partition plates extend out of the upper end face of the upper corner cutting plate, and every two splay partition plates are symmetrically arranged to form a group. A steel structure is adopted and a water spraying part is arranged, so that the fireproof effect is achieved, the water collecting and cooling effects can be achieved, noise generated during rainwater impact is reduced, and stable installation is facilitated.

The invention discloses a transformer electric appliance cabinet, the cabinet comprises a cabinet body, heat absorbing plates are fixedly installed on the two sides of the interior of the cabinet body, and the two outer side surfaces of the cabinet body are respectively provided with a plurality of heat dissipation notches. A supporting plate is fixedly mounted at the upper end in the cabinet body, and the upper surface of the cabinet body is fixedly provided with a dustproof box at the position of one cavity. A fan is fixedly mounted in the dustproof box, the other chamber at the upper end inthe cabinet body is filled with dry powder, crushing mechanisms used for crushing the glass cover plate are installed on the upper surfaces of the pull rods and located at the installation openings.The heat absorbing plates are arranged on the two sides in the cabinet body, heat in the cabinet body can be absorbed so as to exchange heat with outside air, the temperature in the cabinet body can be reduced, the temperature can be detected through the temperature sensor, and when the temperature reaches a limit value, the crushing rod can crush the glass cover plate, so that dry powder is sprayed into the cabinet body through the mounting opening, the fire extinguishing effect is achieved, and losses caused by fire disasters are reduced.

The invention discloses a self-jetting type fire extinguishing ball, and relates to the technical field of firefighting equipment. The self-jetting type fire extinguishing ball comprises a ball body.The ball body is of a hollow structure, and a spherical frame is glued in the ball body. The spherical framework is of a spherical structure, a ball center is arranged in the middle of the spherical frame, multiple jetting channels pointing to the ball center are annularly formed in the spherical frame at equal intervals, and openings are formed in the positions, corresponding to the jetting channels, of the ball body to enable the ball body to communicate with the exterior. The characteristic that a foaming agent is heated to be decomposed is utilized, decomposed carbon dioxide gas can support thin films, when the thin films are broken, the ball body is driven to pop up through counter acting force of the thin films, sodium bicarbonate and carbon dioxide in the ball body are jetted out, then the fire extinguishing ball has the prominent characteristics that no lead or other danger trigger mechanisms are needed, jetting fire extinguishing is achieved through heat decomposition of the foaming agent, meanwhile, compared with a traditional lead structure, storage is better facilitated, the jetted carbon dioxide and other decomposers are harmless, and higher environmental protection isachieved.

The invention discloses a fireproof power transformation box. The fireproof power transformation box comprises a box body, wherein a first box door and a second box door are symmetrically arranged on a surface of an outer side of the box body, a handle is arranged at a middle part of an outer side of each of the first box door and the second box door, top ends and bottom ends of the box doors are connected with the box body by hinges, a base is arranged at a bottom end of the box body, a fireproof coating layer is arranged in the box body, a pipeline is arranged at an outer side of the fireproof coating layer, a plurality of discharge holes are uniformly formed in one side, near to the fireproof coating layer, of the pipeline, a plurality of outlets are uniformly formed in one side, far away from the fireproof coating layer, of the pipeline, dry powder boxes are arranged at top ends of the outlets, entrance passages are arranged at top ends of the dry powder boxes, solenoid valves are arranged at top ends of the entrance passages, a high-pressure gas pipeline is arranged at top ends of the solenoid valves, a deoxidizing agent accommodating cavity is arranged at an outer side of the high-pressure gas pipeline and is connected with an inner wall of the box body, and an inert gas injection hole is formed in one side of a top end of the box body. The fireproof power transformation box has the beneficial effects that fire in the box body can be effectively controlled, dual guarantee is achieved, and fire is more effectively extinguished.

The invention discloses an expansion backfill prepared from salt gypsum as a raw material. The expansion backfill prepared from the salt gypsum as the raw material comprises the following components:salt gypsum, an excitant, a foaming gent and water. The salt gypsum is transformed into dihydrate gypsum by the excitant, and the addition amount of the excitant is 2-12% of the weight of the salt gypsum; the addition amount of the foaming agent is 0.1-0.8% of the weight of the salt gypsum; and the addition amount of the water is 30-60% of the weight of the salt gypsum. The expansion backfill prepared from the salt gypsum as the raw material provided by the invention has the characteristics of being high in compressive strength, high in bonding strength, stable in size and the like, and phenomena such as sink and deformation are avoided after backfill; and meanwhile, the salt gypsum serves as the base material, high value-added comprehensive utilization of the salt gypsum is realized, theproblem that the land is destroyed when soil is extracted is solved, and the ecological environment is protected. Based on the expansion backfill, the invention further provides a preparation method of the expansion backfill prepared from the salt gypsum as the raw material.

The invention relates to the technical field of fire extinguisher valves, in particular to a fire extinguisher valve with a limiting assembly. The fire extinguisher valve comprises a mounting sleeve,a valve body structure, a pressing structure, a limiting structure, a positioning structure and a lubricating structure. Through the arrangement of the limiting structure, not only the pressing structure can be limited thereby preventing ejection caused by false touch, the assembly for limiting the pressing structure can be rapidly contracted when the pressing structure is needed to be used so that the rapid use of the pressing structure can be ensured; through the arrangement of the positioning structure, the effect of fire extinguishing can still be achieved without the need of pressing allthe time after the pressing structure is pressed, and the size of required ejection can be adjusted according to the actual condition so that better targeted fire extinguishing can be achieved, and the better fire extinguishing effect can be achieved; and the pressing structure can also act on the lubricating structure while working, the work of the lubricating structure can perform oiling and lubricating work on the positioning structure, and therefore the effect of lubricating a rotary part during pressing can be realized, and the situation of laborious rotating is avoided.

The invention belongs to the technical field of house buildings, and particularly relates to an energy self-feed type intelligent photovoltaic integrated roof. The roof comprises a bearing mechanism,the bearing mechanism comprises a house body and a top plate arranged on the top end of the house body, a mounting mechanism is arranged on the top face of the top plate, multiple execution mechanismsare arranged on the mounting mechanism, the mounting mechanism comprises an electric push rod and a connecting shaft fixed to the telescopic end of the electric push rod, the electric push rod is electrically connected with an outer power source, during use, a light transmitting opening of a rotating pipe is horizontally towards the upper portion, energy conversion is carried out, at the severe weather like wind, a first motor drives the rotating pipe to rotate, the light transmitting opening, a fixed plate and a photovoltaic plate are all rotated to the position below the mounting plate, therotating pipe and the mounting plate can protect the photovoltaic plate, impurities can be prevented from falling, the photovoltaic plate damage is avoided, due to the fact that the outer wall of therotating pipe is in an arc shape, the impact resistance force effect is good, damage is not prone to happening, and according to weather conditions, switching is carried out.

The invention discloses an electrical engineering fireproof monitoring system and a using method thereof. The system comprises an electrical cabinet shell, a mounting groove is formed in the middle of the upper end of the electrical cabinet shell, a mounting block is movably arranged in the middle of the inner side of the mounting groove in a clamped mode, and a clamping mechanism is arranged between the mounting block and the mounting groove; the clamping mechanism comprises a rotating block, connecting blocks, a first rotating shaft, a transmission rod, a clamping rod, a second rotating shaft and a clamping groove, the rotating block is movably arranged in the middle of the inner side of the mounting block through a bearing, the connecting blocks are fixedly arranged on the two sides of the surface of the rotating block, and the first rotating shaft is movably arranged in the connecting blocks through bearings; the transmission rod is fixedly arranged on the surface of the outer side of the first rotating shaft, and clamping rods are movably arranged on the two sides of the interior of the mounting block in a penetrating mode. The system is good in use effect, can give an alarm in time when smoke is generated in the electrical cabinet shell, and can be sealed to prevent fire from becoming large or spreading.

The invention relates to the technical field of bus frames, in particular to a bus frame with a temperature monitoring function, which comprises a bus frame main body and a storage battery, wherein the inner side of the left end of the bus frame main body is fixedly connected with a temperature monitoring control device; the temperature monitoring control device comprises an air blowing cover, anelectromagnetic valve, a first air outlet pipe, a temperature sensor, a draught fan, a push rod, a rotary disc and a first motor, and the inner side of the rear end of the bus frame body is fixedly connected with the first motor. The bus frame is provided with the air blowing cover, the electromagnetic valve, the air outlet pipe, the temperature sensor, the draught fan, the push rod, the rotary disc and the first motor; the temperature of the inner side of the bus frame body can be monitored in real time through the temperature sensor, then the interior of the bus frame body is cooled throughthe effect of the draught fan, what is guaranteed is that the temperature of the inner side of the bus frame body is not too high, and meanwhile what can be guaranteed is that the air blowing cover can swing during air outlet through the effect of the rotary disc; and the air blown out from the air blowing cover is blown to each position of the bus frame body.

The invention discloses an upper box body assembly, a battery assembly and an electric vehicle, and belongs to the technical field of vehicles. The upper box body assembly comprises an upper box body, a metal covering film, a fire extinguishing material and an air pressure detection piece, wherein the upper box body is provided with a fixing flange, a plurality of reinforcing convex ribs and a plurality of part installation surfaces, the fixing flange is used for being connected with a lower box body so as to form a sealed installation space between the upper box body and the lower box body, the metal covering film is attached to the inner surface of the upper box body, the fire extinguishing material is filled in the reinforcing convex ribs, and the air pressure detection piece is used for detecting air pressure in the installation space. According to the invention, the structural strength of the upper box body is improved, small flames can be extinguished, and an alarm effect can be achieved when fire disasters, explosions and the like occur; the battery assembly can extinguish flames and buffer impact generated by battery thermal runaway explosion, and a driver or passengers can be reminded of potential safety hazards in time; and according to the electric vehicle, escape time can be reserved for passengers, and an alarm can be given to a driver or the passengers.