143results about How to "Achieve fire extinguishing effect" patented technology

The invention discloses a temperature and smoke joint control fire extinguishing circuit for a bus power battery cabin. The circuit comprises an on-board 24-V power supply, a fire early-warning controller, an automatic fire extinguisher, a temperature detector, a smoke detector, a starting relay, a manual starting button, an audible and visual alarm, a fire extinguisher status indicator lamp and a remote monitoring terminal. The on-board 24-V power supply, the automatic fire extinguisher, the temperature detector, the smoke detector, the starting relay and the remote monitoring terminal are connected with the fire early-warning controller through a circuit. The remote monitoring terminal transmits information to the remote monitoring platform through a GRPS, and records and stores the information. The temperature and smoke joint control fire extinguishing circuit for the bus power battery cabin is used for carrying out early warning, prevention and fire extinguishing in advance when the temperature of a power battery is increased sharply and a large amount of smoke is produced before open fire occurs, and more escape time is won for passengers.

The invention relates to a portable water mist fire extinguisher, which comprises a pressure storage steel bottle and an injector head and is characterized in that the distinguisher adopts single bottle design and the pressure storage steel bottle is filled with water of supersaturated carbon dioxide accounting for 4/5 capacity of the pressure storage steel bottle at the pressure of 2.5-4 MPa; the injector head consists of a nozzle, a mixing chamber and a connector which are all cut with a center through hole and assembled mechanically in sequence, wherein a swirler vane and a splitter vane are installed at the position of the center through hole between the nozzle and the mixing chamber; a spoiler vane, a throttling element and a rear sealing gasket are installed at the position of the center through hole between the mixing chamber and the connector; the center through hole of the nozzle is formed by transitional connection of a front throttling hole section and a front circulation hole section; the center through hole of the throttling element is formed by transitional connection of a rear throttling hole section and a rear circulation hole section; the swirler vane is cut with a polygon tangent scattering centre hole; and the splitter vane is evenly distributed with at least three splitter holes, the spoiler vane takes a shape of a three leaves evenly-distributed in space, and the connecting center of the three leaves is a wafer.

The invention relates to a multifunctional safe experiment table device,in particular to a multifunctional safe experiment table device. The device comprises a movable supporting leg mechanism,an experiment table mechanism,a rotatable stretching faucet mechanism and a movable fire extinguishing mechanism,fire occurring on the device can be extinguished by water and sand in a sand box,the device can make fire stay in airtight space,so that the fire extinguishing effect is achieve due to lack of oxygen,store various experiment apparatuses,make experiment apparatuses dried,move and bear smaller shocking,and achieve lifting and lowering functions,the movable supporting leg mechanism is located below and in threaded connection with the experiment table mechanism,the rotatable stretching faucetmechanism is located on and in bolted connection with the experiment table mechanism,and the movable fire extinguishing mechanism is located on and in bolted connection with the experiment table mechanism.

The invention discloses a fire resisting damper used for treating paint mist. The fire resisting damper comprises a body, shutters, rotating shafts and rotating shaft control valves. The rotating shafts are transversely arranged in the body at equal intervals. The shutters are fixed to the rotating shafts. The rotating shaft control valves are arranged at one ends of the rotating shafts and used for controlling the rotating shafts to move. The rotating shaft control valves are smoke control valves and/or temperature control valves. The rotating shafts are hollow pipes. Water inlet valves are arranged at the other ends of the rotating shafts. Water outlet holes are uniformly formed in the rotating shafts. The fire resisting damper has the advantages that when fires occur, the rotating shaft control valves control the rotating shafts to rotate, the rotating shafts drive the shutters to rotate to enable the fire resisting damper to be in a closed state as in the picture, airflow in a desorption bin or a catalyzing bin is cut off to enable the desorption bin or the catalyzing bin to be in closed space, the situation of combustible gas entering is reduced, and flames are prevented from entering the desorption bin at the same time; meanwhile, the water inlet valves are opened, and water enters or exits from the bin through the water outlet holes to achieve the extinguishment effect.

The invention discloses a device for preventing goaf spontaneous combustion in a coal mine and a using method thereof. The device comprises a gas analysis device, a gas extraction device, an inhibitordevice, a water injection device and a nitrogen injection device, wherein the gas analysis device comprises a beam tube and a CO probe, one end of the beam tube is arranged in a mining face goaf, andthe other end of the beam tube passes through a mining face return airway and other roadways to be finally connected to a ground gas analysis room; the CO probe is arranged at the position where a mining-face upper corner is close to the goaf; the inhibitor device comprises a main inhibitor pipe and an inhibitor box, the inhibitor box is arranged on the upper portion of a mining-face gateway, a plurality of nozzles are arranged on the main inhibitor pipe, one end of the main inhibitor pipe is connected to the bottom of the inhibitor box, and the main inhibitor pipe is located on a mining-facemachine way. By building a goaf monitoring system, a goaf fire-proof system and a goaf fire-fighting system to be comprehensively arranged, the goaf coal-oxidation spontaneous combustion is nipped inthe bud, therefore, personal casualty and property loss are reduced, the phenomenon that a fire happens in the coal mine is avoided, and a good using effect is achieved.

The invention discloses a fireproof substation shell, comprising: a shell, breathable windows fixed on both sides of the shell, gears fixed on the breathable windows, a rotary drive assembly connected to the gear, and a lifting and sealing door clamped and connected to the gear. The invention provides a shell of a fireproof substation. When a fire breaks out, the ventilation window is closed to form a closed space. After the oxygen in the shell is exhausted, the fire extinguishing effect can be achieved and the fire limit can be realized.

The invention discloses a wind power generating device with a firer resisting function. The wind power generating device comprises a base. A shell is mounted on the upper portion of the base by a supporting column. A supporting shaft is mounted in one end of the shell by a rotating disc bearing. One end of the supporting shaft is fixedly connected with one side of a stainless steel fixing block. The stainless steel fixing block is arranged on the outer side of the shell. Three wind blades are uniformly welded to the outside of the stainless steel fixing block. The other end of the supporting shaft is in transmission connection with an input shaft of an acceleration box by an omnidirectional shaft. An output shaft of the acceleration box is fixedly connected with an input shaft of a motor.The acceleration box and the motor are mounted in the shell by a damping bracket. A smoke sensor and a spraying nozzle are fixedly mounted at the bottom of the top wall in the shell. The wind power generating device has the firer resisting function. Security of the wind power generating device is guaranteed, significant losses to relevant power departments are avoided, and the device is worth promotion and popularization.

The invention belongs to the field of patch boards, and particularly relates to an automatic fire-extinguishing patch board. The automatic fire-extinguishing patch board comprises a patch board shell and sockets in the patch board shell, wherein fire-extinguishing equipment is arranged in the shell and consists of a braking device and a reaction device, the reaction device comprises a reaction box, a stopper is arranged in the reaction box, reactant cavities are formed in two sides of the stopper, the braking device comprises a coil, a negative thermistor, an iron rod and a push rod assembly, the coil is connected with the sockets in parallel through a wire, the negative thermistor is connected in series with the coil, the iron rod is inserted in the coil and can move up and down, and the push rod assembly is braked by the iron rod and extends in the reaction box. The patch board is improved according to the chemical principle that carbon dioxide has no combustion-supporting function, and when the patch board catches fire due to short circuit and the like in the use process, a sensor inside the patch board can detect the fire, the fire-extinguishing equipment is started, the carbon dioxide generation device fast generates and emits carbon dioxide, and an oxygen-free environment is formed around a fire source to achieve the fire extinguishment effect.

The patent application relates to the technical field of A62C3/00, in particular to a fire extinguishing device for spontaneous combustion of an automobile. The fire extinguishing device comprises a high-pressure gas device, a dry powder tank, a metal hose and an air flow channel, wherein the outlet of the high-pressure gas device is connected with the inlet of the air flow channel, the bottom ofthe dry powder tank is connected with the side wall of the air flow channel, and the outlet of the air flow channel is connected with the metal hose; the high-pressure gas device comprises an expansion thermometer, a cam is arranged on the outer ring of the expansion thermometer, a first working diaphragm is arranged on the high-pressure gas device, a first steel needle is arranged on the first working diaphragm, a box body is arranged on one side close to the tip of the first steel needle, and a film is arranged on the part of the box body facing the first steel needle; and a rotating plate is arranged on the air flow channel corresponding to the dry powder tank, a second steel needle is arranged on the rotating plate, and a second working diaphragm is arranged at the bottom of the dry powder tank. According to the fire extinguishing device provided by the invention, dry powder and high-pressure gas are separately arranged, and then the high-pressure gas drives the dry powder into themetal hose according to the Bernoulli principle, thereby achieving the effect of quickly extinguishing fire.

The invention discloses a ball type self-induction self-rotation fire extinguishing device. The ball type self-induction self-rotation fire extinguishing device comprises a ball body, and a pipe cavity and a storage cavity are separately formed in the ball body. An annular heat conducting plate is embedded at the bottom of the storage cavity, and an annular high-pressure tank is installed at the upper end of the annular heat conducting plate. A storage tank is installed in the center of the storage cavity, and the storage tank is located in the middle of the annular high-pressure tank. A plurality of pressure equalizing pipes are symmetrically arranged at the upper ends of the storage tank and the annular high-pressure tank together. The annular high-pressure tank is filled with evaporating liquid, and the storage tank is filled with metal powder. A powder discharge pipe is hermetically inserted into the storage tank, and the upper end of the powder discharge pipe extends into the pipecavity and is provided with a pressure valve. According to the ball type self-induction self-rotation fire extinguishing device, a fire can be automatically detected and extinguished through annularheat conducting sheets and the annular heat conducting plate; harmless and environmental-friendly fire extinguishing can be realized through copper powder; the ball body is made to rotate through an arc spray pipe, and the fire extinguishing range is enlarged; and fire extinguishing is more uniform through a guide cone, the fire extinguishing effect is enhanced, and reburning is prevented.

The invention relates to a fire extinguishing technology, and discloses a bottle valve for shock-proof dry powder extinguishing devices. The bottle valve comprises a lower valve body with a first step through hole, an upper valve body is arranged in the upper part of the lower valve body, and the upper part of the upper valve body is provided with an upper valve bonnet; the upper valve body is provided with a second step through hole which is coaxial with the first step through hole, a puncturing needle penetrates through the inside of the second step through hole, the upper part of the puncturing needle is sleeved with a piston, the lower hole of the second step through hole is in clearance fit with the puncturing needle, and the upper hole of the second step through hole is in slide fit with the piston; the bottom of the upper hole of the first step through hole is provided with a diaphragm, the diaphragm is provided with a pressing ring, the pressing ring is provided with a shock-proof gasket, the bottom of the upper valve body props against the shock-proof gasket, the shock-proof gasket is provided with an inner tapered hole, the diameter of the lower part of the puncturing needle is less than that of the upper part of the puncturing needle, and the transitional surface of the puncturing needle is matched with the inner tapered hole of the shock-proof gasket; and the upper valve bonnet is provided with a central hole, the central hole is in sliding fit with the puncturing needle, the upper valve bonnet, the upper valve body, the piston and the puncturing needle are formed to an annular closed cavity, and an explosive box is arranged in the annular closed cavity.

The invention discloses a fire extinguishing bomb. The bomb comprises a first container, a second container and a fixing base, wherein the outer wall of the fixing base is in threaded connection withthe inner wall of the first container, moreover, the second container is sleeved with the first container, and a third container is further sleeved with the second container; a plurality of round holes are formed in the surface of the third container, and puncture bulges are arranged at the gaps of the round holes; the invention further provides a launching device, the launching device comprises alaunching cavity, a material feeding chamber, a first spring, a first material passage and a second material passage, wherein the upper end of the launching cavity is connected with the material feeding chamber through the first material passage, an air pressure cylinder is arranged on the inner wall of the right end of the launching cavity, moreover, the tail end of the air pressure cylinder isconnected with one end of the first spring, and the other end of the first spring is provided with a first permanent magnet; and a first electromagnet which is opposite to the magnetic pole of an permanent magnet is arranged at the tail end of a piston rod, a second electromagnet is arranged on the inner wall of the upper end of the second material channel, and the second electromagnet is connected with the permanent magnet through a second spring. According to the bomb and the device, the structure is simple, operation is convenient, and application range is wide.

The invention relates to the technical field of power distribution cabinets, and discloses an overheat self-opening type power distribution cabinet based on a hot metal sheet. The cabinet comprises acabinet body, a groove body is formed in the cabinet body, a thermal bimetallic strip is fixedly installed at the left end of the groove body, a connecting rod is fixedly installed at the right end ofthe thermal bimetallic strip, the right end of the connecting rod is fixedly installed at the eccentric position of a rotating gear, and a movable toothed plate corresponding to the rotating gear ismovably installed at the bottom end of the groove body. According to the overheat self-opening type power distribution cabinet based on the hot metal sheet, the thermal bimetal sheet is heated to deform and drives the connecting rod to move, the connecting rod drives the rotating gear to rotate, the rotating gear drives the movable toothed plate at the lower end to move, the movable toothed platedrives the rotating rod at the right end to move, the rotating rod drives a baffle plate at the top end of the rotating rod to move at the lower end of a fire extinguishing device in the moving process, and when the baffle plate moves to the right end, the fire extinguishing material falls into the power distribution cabinet to extinguish fire, so that the effect of automatically triggering the fire extinguishing device to extinguish fire is achieved.

The invention discloses a flame-retardant fire extinguishing agent special for coal mines, which comprises distilled water, 0.5-5% propylene glycol, 67.5-76% superabsorbent resin, 5-9% potassium ferricyanide, 6- 11% melamine, 8-12% potassium bicarbonate, use oxalic acid or acetic acid to adjust the pH value to 6-8.5. After vacuum dehydration, the special flame retardant fire extinguishing agent for coal mines in the form of water-absorbing gel is obtained, which is mixed with water at a ratio of 1:1000-10000. The water-absorbent gel containing superabsorbent resin can form a gel-like product with the absorbed water, which has good water retention performance under high temperature conditions and has a considerable heat capacity. It can form a stable gel layer on the surface of the object, isolate the fire source from the air, prevent the spread of the fire, and achieve the fire extinguishing effect. Compared with ordinary water, the present invention has slower flow rate and higher viscosity, not only can reduce the surface temperature of coal, but also can penetrate into the inside of coal to cool down, prevent coal from re-igniting, and effectively improve the fire extinguishing effect.

The invention discloses a novel fireproof electrical box applied to an air conditioner, which includes a box body, an expanded flame-retardant material layer and a fireproof flame-retardant material layer, wherein the box body has a cavity; the expanded flame-retardant material layer is arranged on the box body and located in the cavity for rapid expansion under high temperature or overheating conditions to exhaust the air in the cavity to achieve the purpose of flame retardancy; and the fireproof flame-retardant material layer is arranged on the box body for fire prevention and flame retardancy to prevent the flames inside the box body from escaping or the flames outside the box body from entering. According to the novel fireproof electrical box applied to the air conditioner, through a novel flame-retardant mode of combining the expanded flame-retardant material layer and the fireproof flame-retardant material layer, a dual fireproof protection role is played for the novel fireproofelectrical box applied to the air conditioner, the fireproof performance of the novel fireproof electrical box applied to the air conditioner can be improved more comprehensively, and the safety and the reliability of air conditioner products are improved.

The invention relates to a fire extinguishing agent release method and a non-stored-pressure fire extinguishing device. The method comprises the steps that one closed cavity is defined, wherein the closed cavity is provided with a plurality of spraying openings communicating with the outside; one grain is placed in the cavity; an ignition opening is formed in the middle of the grain, and a thermosensitive wire and/or an electric initiator are/is arranged in the ignition opening; the thermosensitive wire extends out of the cavity, and the electric initiator is connected with a controller arranged outside the cavity through an electric wire; when the external environment meets the triggering condition, the thermosensitive wire and the electric initiator ignite the grain; and an aerosol fireextinguishing agent is guided out through the spraying openings to release the aerosol fire extinguishing agent. The fire extinguishing agent release method and the non-stored-pressure fire extinguishing device reduce the production cost, improve the product reliability, and also improve the fire extinguishing efficiency.

The invention discloses a high-strength and fireproof electrical cabinet. The high-strength and fireproof electrical cabinet comprises a box cabinet and a box door, wherein a door frame is arranged on the box cabinet, a door hinge and a locking body are arranged between the box door and the door frame, a fire extinguishing box is arranged at a top part of an inner side of the box cabinet, a plurality of powder falling holes are formed in a bottom part of the fire extinguishing box, fire extinguishing powder is arranged in the fire extinguishing box and is wrapped by a hot melting membrane, guide convex blocks are arranged at two sides of the fire extinguishing box and are connected with guide sliding blocks in a matching way, the guide sliding blocks are fixedly connected with the box cabinet, a plurality of steel belts are arranged in the box cabinet along a horizontal direction and a vertical direction, two ends of the steel belts are welded and fixed with the corresponding door frame, a plurality of guide seats are also arranged between surfaces of the steel belts and an inner wall of the box cabinet, and punching parts are arranged on the guide seats. By the high-strength and fireproof electrical cabinet, fire can be timely extinguished when an open fire occurs in a component, and the box body is high in firmness.

The invention relates to a portable environmental-friendly fire extinguisher. The portable environmental-friendly fire extinguisher comprises a metallic tank body 100, an aluminum foil soft packaging bag 200, a valve body 300, compressed gas 400 and a waterborne environmental fire extinguishing agent 500, wherein the metallic tank body 100 is provided with a first opening 110, the aluminum foil soft packaging bag 200 is provided with a second opening 210, the valve body 300 is provided with a third opening 311 and the aluminum foil soft packaging bag 200 is arranged in the metallic tank body 100. The valve body 300 is hermetically arranged between the first opening 110 and the second opening 210, so that a first sealed space 120 is formed between the metallic tank body 100 and the soft packaging bag 200, a second sealed space 220 is formed between the soft packaging bag 200 and the valve body 300 and the third opening 311 of the valve body 300 is communicated with the second sealed space 220. The compressed gas 400 is contained in the first sealed space 120 and the pressure of the compressed gas is greater than 2 barometric pressures. The waterborne environmental fire extinguishing agent 500 is contained in the second sealed space 220, the waterborne environmental fire extinguishing agent 500 comprises a vegetable foaming agent, sodium dodecyl benzene sulfonate, vegetable three-dimensional phenol polymers and water, and the weight percentage of the water is not greater than 97 percent.

The invention discloses a switch cabinet with an automatic fire extinguishing function. The switch cabinet comprises a base, wherein a cabinet body is fixedly arranged above the base, a cabinet door is movably arranged at the left end of the cabinet body, and a smoke sensor and a temperature sensor are arranged in the cabinet body. The occurrence of a fire can be detected by the sensors, when thefire occurs, a starting bottle can be opened through using an electromagnetic valve, and finally a gas storage bottle releases a dry ice fire extinguishing agent, so that the fire extinguishing effectis achieved; in order to avoid the failure of the sensor or the electromagnetic valve and the starting bottle, a dry powder box is arranged on the cabinet body, so that the temperature in the cabinetbody can be rapidly increased in case of fire, an expansion metal block can be heated to expand, a fixing pins are ejected out of a fixing hole by a pushing force generated by expansion, and finallya sealing plate can be ejected open by a spring telescopic rod, so that the purpose of opening the dry powder box is achieved, dry powder comes out of the dry powder box, the purpose of fire extinguishment can be achieved, double fire extinguishment guarantees are achieved, and fire spreading can be effectively avoided.

The invention discloses a flame-proof transformer, which comprises a transformer body, an oil pipe is arranged at the upper end of the transformer body, a gas relay is connected to the oil pipe, an oil storage tank is arranged at the end of the oil pipe far away from the transformer body, and a gas passage is arranged at the upper end of the oil storage tank. One end is connected to the inside of the transformer body, and the surface of the transformer body is evenly provided with heat dissipation oil pipes, and a flame-proof pipe is provided between the heat-dissipating oil pipes, and a high-pressure carbon dioxide liquid is provided in the fire-proof pipe, and a sealing plug is provided at the upper end of the fire-proof pipe, and a connecting plug is provided at the upper end of the sealing plug. Compression springs are arranged symmetrically at the two ends of the connecting rod, the lower end of the sealing plug is provided with an L-shaped connecting rod, and several plugs are uniformly arranged on the L-shaped connecting rod. Beneficial effect: by setting the anti-flame tube, when a large amount of high temperature is generated in the transformer body, the carbon dioxide generated in the anti-flame tube is discharged through the opening of the transformer body by using the principle of thermal expansion and contraction, so as to achieve the effect of fire extinguishing.

The invention relates to an automatic fire extinguishing device integrating functions of fire detection and fire extinguishment. Since the existing automatic fire extinguishing device has to be equipped with a special electronic fire alarm control system, misoperation or failure of the fire extinguishing device can be caused easily by environmental temperature and humidity, dust, electromagnetismand other factors, and maintenance cost is high. The invention aims at developing an automatic fire extinguishing device integrating the functions of fire detection and fire extinguishment. The automatic fire extinguishing device is structurally characterized in that a fire extinguishing opening mechanism comprises a hot-melt sealing piece (3), a joint (14) with a heating chemical agent (4) and aconnecting part which are connected with one end of a fire extinguishing agent conveying pipe (5); and a fire detection opening mechanism (17) is connected with each fire extinguishing agent spout onthe fire extinguishing agent conveying pipe (5). The automatic fire extinguishing device has the advantages of omitting a plurality of electronic detection control devices, simplifying the structure of a fire extinguishing system, lowering cost, reducing the using space, achieving the capability of conveying different types of fire extinguishing media, such as gas, liquid, powder and the like, expanding the application range of the fire extinguishing media and achieving broader application places.

The invention discloses a hollow spiral sound attenuation drainage pipe. The hollow spiral sound attenuation drainage pipe comprises an outer pipe and an inner pipe. The inner pipe is concentrically arranged in the outer pipe, and a plurality of connecting pipes are glued and fixed through the outer pipe and the inner pipe together. The connecting plates are symmetrically arranged in the clearancebetween the outer pipe and the inner pipe, and a spiral guide rib is arranged in the inner pipe. One end of the guide rib is fixed to the upper end of the inner pipe. The hollow spiral sound attenuation drainage pipe has the advantages that when water flow in the inner pipe is small, the guide rib is in a contraction state under the action of the elasticity of itself, the drift angle between theflowing direction of the flowing water in the inner pipe and the horizontal direction is small at this moment, and on the contrary, the drift angle between the flowing direction of the flowing water in the inner pipe and the horizontal direction is large. When the drift angle is small, it can be guaranteed that an air column in the inner pipe is large, and noise generated by water flow is smaller.When the drift angle is large, it is guaranteed that the air column still exists in the inner pipe even though the water flow is fast; and although the air column is small, the obvious effects of promoting flowing and reducing noise are still achieved.