81results about How to "Play a role in fire extinguishing" patented technology

The invention provides a transformer shell capable of preventing a fire and extinguishing the fire. The transformer shell comprises a shell. According to the technical main points, the shell is an aluminum alloy shell; a transformer room is arranged at the upper part of the shell; a control room is arranged at the lower part; a temperature sensor, a smoke detector and a cooling water pipe are arranged in the transformer room; two ends of the cooling water pipe are connected with a water supply pipe and a water return pipe; the water supply pipe is connected with a water supply end of a water pump; the water return pipe is connected with a water return end of the water pump; a fire extinguishing agent storage tank is arranged in the transformer room, and is connected to an atomizing nozzle through a fire extinguishing agent delivery pipe; an electromagnetic valve is arranged on the fire extinguishing agent delivery pipe; a central controller is arranged in the control room; the temperature sensor and the smoke detector are respectively connected to the central controller through an A/D converter; the central controller is connected with the water pump and the electromagnetic valve; and the central controller is connected with a mobile phone through a GSM module on the basis of a GSM network. According to the transformer shell, cooling treatment can be carried out on the transformer according to the measured temperature around the transformer; whether a fire phenomenon is generated on the transformer or not is detected in real time; and the fire is timely extinguished through the fire extinguishing agent if the fire phenomenon is generated.

The invention discloses an efficient composite fire extinguishing agent and a preparation method thereof, and relates to the technical field of firefighting. The fire extinguishing agent comprises, byweight, 28-36 parts of heptafluoropropane, 40-48 parts of 1,1,2,2,3,3,4-heptafluorocyclopentane, 4-8 parts of liquid nitrogen, 6-12 parts of ammonium bicarbonate, 1-5 parts of calcium carbonate, 1-3parts of potassium sulfate, 2-6 parts of talcum powder and 1-5 parts of diatomite. The fire extinguishing agent has the advantages of combination of the fire extinguishing advantages of several physical and chemical fire extinguishing agents, improved fire extinguishing efficiency, low corrosivity, long atmospheric survival time and low greenhouse effect potential value.

The invention discloses a wind resistance application method of a fine water mist nozzle and a medium/high-pressure fine water mist nozzle with wind resistance. Multiple fine water mist nozzles are arranged in the axial direction and the lateral direction of a lotus nozzle shell; the nozzles adopt 2 to 3 types of direct injection and cyclone fine water mist nozzles with different atomization characteristic parameters; and more than one direct injection and/or cyclone fine water mist nozzles are arranged in the axial direction of the nozzle shell, and more than four direct injection and cyclone fine water mist nozzles are uniformly intersected in the lateral direction of the nozzle shell, so that fine water mists are respectively sprayed in the axial direction and the lateral direction of the nozzle shell to guarantee an effective atomization conical angle of the fine water mist nozzle under the working condition of wind. The influence of the fine water mist nozzle by the wind in use is lower than the influence of a traditional single cyclone nozzle; and under the working condition of no wind or wind, the fine water mist nozzle can enable the fine water mists to cover all fire protecting ranges, so that the excellent overall fire extinguishing performance is guaranteed, the application capacity of the fine water mist nozzle in outdoor wind environment is improved, and the fine water mist nozzle is suitable for outdoor popularization and application.

The invention relates to the field of urban pipe rack building construction, and discloses a comprehensive pipe rack structure which comprises a pipe rack main body. A natural gas cabin, a comprehensive cabin and a rainwater cabin are arranged in the pipe rack main body, the comprehensive cabin and the natural gas cabin are located on the two sides in the pipe rack main body correspondingly, the rainwater cabin is located in the middle in the pipe rack main body, a first fireproof sealing wall is arranged between the natural gas cabin and the pipe rack main body, a first fireproof sealing wallis arranged between the rainwater cabin and the pipe rack main body, a second fireproof sealing wall is arranged between the rainwater cabin and the natural gas cabin, and a subsection valve is arranged in the natural gas cabin to divide the natural gas cabin into independent natural gas cabin sections. The fireproof sealing performance of the natural gas cabin is improved through the second fireproof sealing wall arranged between the natural gas cabin and the rainwater cabin, the comprehensive cabin is protected through the rainwater cabin, and the potential hazards of the natural gas cabinto the comprehensive cabin are reduced.

The invention relates to an automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device. The automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device comprises a lifting mechanism and a fire extinguishing spraying head. The lifting mechanism comprises a main water tube, branched water tubes, a T-shaped three-way tube, a spring and a water storage tank, the main water tube is rotatably connected to the two ends of the T-shaped three-way tube in the horizontal direction in a sealing mode, one ends of the branched water tubes are connected with one end of the T-shaped three-way tube in the longitudinal direction, the fire extinguishing spraying head is connected to the other ends of the branched water tubes,the water storage tank is arranged on the branched water tubes, and the branched water tubes are connected with the top of a space in which a connecting device is located through the spring. The fireextinguishing spraying head comprises a rotational flow pressurizing module and a spray nozzle module, the rotational flow pressurizing module comprises a tangential slot unit and a direct incidence interception unit, the tangential slot unit is arranged in the branched water tubes and connected to the mounting end, and the direct incidence interception unit is arranged in the branched water tubesand connected with the tangential slot unit. Compared with the prior art, the automatic rising and falling wind resistance high pressure fine water mist fire extinguishing device can perform efficient fire extinguishing when fire disaster occurs in a perpendicular state; and efficient fire extinguishing further can be carried out in a windy environment, and the good integral fire extinguishing performance is guaranteed.

The invention discloses a safety battery, a safety mobile power supply and a terminal. The safety battery comprises a cell layer and a coating layer for covering the cell layer, wherein the coating layer comprises a solid extinguishing material. By adopting the scheme that the solid extinguishing material is arranged in the coating layer for taking the extinguishing effect when the battery is on fire, the safety battery has an excellent market foreground.

The invention belongs to the field of power equipment. The invention particularly relates to an intelligent power distribution cabinet for electric power sales. The intelligent power distribution cabinet comprises a mounting mechanism and a connecting mechanism, the mounting mechanism comprises a cabinet body, a smoke alarm and a controller, the smoke alarm and the controller are mounted on a topsurface of the cabinet body, a detection end of the smoke alarm is located in the cabinet body, the smoke alarm is in signal connection with the controller, and the connecting mechanism comprises a fixed plate and a bearing frame; once the equipment in the cabinet body is on fire and smokes, the smoke alarm gives an alarm, the alarm is transmitted to the controller, the controller control an electromagnet to power off the electromagnet, no magnetic attraction force is generated on a magnetic attraction sliding frame; under the action of gravity, a flexible folding cylinder is pulled downwardsto be unfolded, the magnetic attraction sliding frame slides to make contact with the fixed plate, the flexible folding cylinder is unfolded, the unfolded flexible folding cylinder can effectively prevent external air from flowing into the cabinet body, the fire extinguishing effect is achieved, meanwhile, the equipment in the cabinet body cannot be affected, and the effect of preventing after-combustion is achieved.

The invention provides a power transmission line forest fire monitoring, early warning and positioning system and method, and the method comprises the following steps: S1, judging whether there is a fire possibility or not according to the remote sensing data of a synchronous orbit satellite, if yes, positioning a fire scene through a remote sensing image target positioning algorithm, and executing the step S2; S2, driving at least one monitoring unmanned aerial vehicle to go to the fire scene; s3, acquiring a shot picture returned by the monitoring unmanned aerial vehicle and displaying the shot picture on the GIS monitoring platform; and S4, determining the fire possibility according to the shot picture, and circling a fire area according to the shot picture when determining that the fire exists. The scheme is matched with the unmanned aerial vehicle, when a suspected fire occurs, the unmanned aerial vehicle is started to go for detection, dual confirmation can be achieved, the mountain fire disaster detection accuracy is guaranteed, meanwhile, a large number of cameras do not need to be installed, and the camera maintenance cost is reduced.

The invention provides a fire patrol and fire extinguishing system for a transformer substation and a fire extinguishing method of the fire patrol and fire extinguishing system. The fire patrol and fire extinguishing system for the transformer substation comprises an autonomous positioning navigation obstacle avoidance unit, a water mist fire extinguishing unit, a walking control unit, a sensing control unit and a power supply unit. Regular patrol is carried out on a predetermined area, and the surrounding environment is scanned through an infrared double-vision thermal imaging module. When afire is found, a master control module sends out an alarm signal, analysis is carried out through image data, and a fire scene area and a fire source area with the highest temperature are determined.If the maximum distance between the fire source area and the boundary of the fire scene area is smaller than or equal to 1 m, fire source fire extinguishing is executed preferentially. If the maximumdistance between the fire source area and the boundary of the fire scene area is greater than 1 m, diffusion-prevention fire extinguishing is executed preferentially, and then fire source fire extinguishing is carried out. When the surface temperature of an object ranges from 30 DEG C to 100 DEG C, fire extinguishing on the area is stopped. After fire extinguishing is completed, patrol continues to be carried out. Through the arrangement, the fire patrol and fire extinguishing system for the transformer substation has extremely high fire extinguishing efficiency, and meanwhile secondary damageto electronic equipment cannot be generated in the fire extinguishing process.

The invention provides a battery cover plate component, a battery cell using the battery cover plate component, a battery module including the battery cell, a power battery pack including the batterymodule and an electric vehicle including the power battery pack. The battery cover plate component comprises a cover plate, sealing cavities, an electrode inner terminal for connecting internal current of the battery, and an electrode outer terminal for extracting the current. The first sealing cavity is filled with nitrogen or inert gas. The pressure in the first sealing cavity is greater than the pressure in the second sealing cavity under the normal state so that the conductive deformation part and the electrode inner terminal are enabled to be electrically connected. A reversible medium capable of generating gas is included in the second sealing cavity. When the battery is abnormal, the gas generated by the medium can act on the conductive deformation part to electrically disconnect the conductive deformation part from the electrode inner terminal so as to improve the safety of the battery and enable the battery to be reused.

The invention discloses a fireproof big data machine room power distribution box capable of automatically sealing heat dissipation holes. The power distribution box comprises a power distribution box body, the heat dissipation holes and a metal hose nozzle, the heat dissipation holes are formed in the side of the power distribution box body, a gas storage chamber is fixedly installed on the inner side of the power distribution box body, a barrier plate is installed in a dry powder chamber, a pulling rope is fixedly installed at the lower end of the barrier plate, a movable block is installed on the inner side of the lower end of a pushing rod, the outer end side of the clamping rod is installed at the upper end of a movable block, and the inner end of the clamping rod is movably connected to the upper end of the vertical frame. According to the fireproof big data machine room power distribution box capable of automatically sealing the heat dissipation holes, the heat dissipation holes can be sealed and blocked in time when a fire occurs in the power distribution box, so that external air is prevented from continuously entering the power distribution box; and meanwhile, multiple modes can be adopted for extinguishing fire, and inert gas and dry powder can be uniformly distributed in the distribution box.

The invention discloses a fireproof treatment process for a steel structure, and belongs to the field of steel structures. According to the fireproof treatment process, fireproof particles are added into a fireproof coating to prevent the fireproof coating and anticorrosive paint from falling off in a large area, and meanwhile, the fireproof performance is effectively improved, on one hand, the fireproof particles cover an anticorrosive primer to prevent the primer from being corroded by external moisture and oxygen, and therefore rapid failure of the anti-corrosion primer is effectively prevented; and on the other hand, the fireproof coating is separated from the anti-corrosion primer through the fireproof particles, so that the anti-corrosion primer is not dragged when the fireproof coating prevents combustion or falling off, the fireproof particles effectively prevent heat from being transmitted to the steel structure, the fireproof particles delay combustion through water and carbon dioxide generated by thermal decomposition of carbonic acid, the carbon dioxide can play a certain fire extinguishing role and effectively prevent fire from expanding, the water generated by decomposition is absorbed through super absorbent resin balls, combustion can be prevented, heat is taken away when water evaporates, and the temperature can be effectively reduced.

The present invention relates to an automatic vehicle fire extinguishing apparatus and a fire extinguishing method thereof. The automatic vehicle fire extinguishing apparatus comprises a plurality of sensors, a signal processor, a blastable fire extinguishing agent bag and a heater, wherein the sensors and the heater are electrically connected with the signal processor, the sensors are arranged on easy-on-fire positions of a vehicle, and are provided for carrying out signal acquisition on a condition of the easy-on-fire position of the vehicle, the signal processor receives the signal acquired by the sensor and accordingly determines whether the easy-on-fire position of the vehicle meets a fire extinguishing condition, if the easy-on-fire position of the vehicle meets the fire extinguishing condition, the signal processor starts the heater to heat the blastable fire extinguishing agent bag so as to instantaneously blast the bag and carry out fire extinguishing, and if the easy-on-fire position of the vehicle does not meet the fire extinguishing condition, the sensor continuously acquires the condition of the easy-on-fire position of the vehicle. According to the present invention, the instantaneously blastable fire extinguishing agent bag is adopted, and the fire extinguishing agent can be uniformly distributed in a large range during blasting, such that spontaneous combustion phenomenon at an on-fire initial stage can be quickly and efficiently eliminated, pipelines, sprinklers and other devices are not required to be arranged on the vehicle body, and characteristics of simpleness and practicality are provided.

A battery liquid cooling device is disclosed, which comprises a liquid cooling plate with a medium flow channel inside, the liquid cooling plate is provided with at least one hole channel communicating with the internal medium flow channel, and the liquid cooling plate is provided with a sealing sheet for sealing the port at the port of any one of the holes, and the sealing sheet is provided witha notch which is of an annular structure, and the notch is positioned on the inside of the hole channel and is coaxially arranged with the hole channel. The present invention provides a battery systemcomprising a plurality of batteries and a battery liquid cooling device as described above, wherein liquid cooling plates in the battery liquid cooling device are respectively in contact with each battery. The invention can effectively enhance the reliability of hole channel sealing.

The invention relates to a medium-voltage fire-resistant power cable. The cable comprises cable cores, a cooling layer, a fireproof composite layer, a metal armor layer and a sheath. The plurality ofcable cores are coated in the cooling layer; and the cooling layer is sequentially coated with a fireproof composite layer, a metal armor layer and a sheath from inside to outside. Each cable core comprises a plurality of wire core bundles. A plurality of dry powder pipes are arranged in gaps among the plurality of wire core bundles; the dry powder pipes are filled with a fire extinguishing agent,each wire core bundle comprises a conductor, and a conductor shielding layer, an insulating layer, an insulating shielding layer and a metal shielding layer which are coated outside the conductor, and the conductor shielding layer, the insulating layer and the insulating shielding layer are extruded on the conductor in a three-layer co-extrusion manner in a one-step molding manner. The medium-voltage fire-resistant power cable disclosed by the invention has certain fire resistance and cooling performance, can ensure the transportation of electric power and signals when a fire occurs, or has the effects of extinguishing fire and retarding flame when a short circuit fire occurs.

The invention discloses a carbon dioxide colloidal foam fire extinguishing device. The device comprises a mixing tank, wherein a diluent inlet pipe is arranged at the upper part of the mixing tank, and a gas inlet pipe and a mixed liquid outlet pipe are correspondingly arranged at the lower part of the mixing tank; the mixed liquid outlet pipe is sequentially connected with a high pressure pipe II and a sprayer; an one-way valve III, a valve III and a throttling valve are sequentially arranged on the mixed liquid outlet pipe along the liquid outgoing direction; the tail end of the gas inlet pipe is connected to a liquid carbon dioxide steel cylinder; an one-way valve I, a valve I and a pressure reduction valve are sequentially arranged from the mixing tank to the liquid carbon dioxide steel cylinder on the gas inlet pipe; the tail end of the diluent inlet pipe is connected and communicates with a high pressure pipe; the high pressure pipe communicates with a diluting tank through a hydraulic pump. According to the device, the foam sprayed by the device can form a colloidal isolating film at a fire site; the colloidal particles are fine, and are high in combination capacity, large in covering area and high in fire extinguishing capacity; and the fire extinguishing cost is low. The device is simple in structure, and easy to operate.

The invention relates to the technical field of electrical equipment, and especially relates to an electrical control cabinet. The electrical control cabinet includes a cabinet body; the cabinet bodyis provided with a cavity; the outer surface of the cabinet body is provided with a long groove; a sealing strip is embedded in the long groove; the edge at the bottom of the cavity is provided with abottom column; the front of the bottom column is provided with a pair of inclined openings in symmetrical distribution; the top of the bottom column is provided with multiple through holes communicating with the inclined openings; and the front end of the cabinet body is in hinged joint with a face cover, so that rainwater can be kept out by the face cover and prevented from splashing in the cabinet body when the electrical control cabinet opens the face cover in rainy days. Through the arrangement of a storage device on the top of the cavity and the filling of a fire extinguishing layer in the storage device, a film can be melted by the high temperature of flames when switch equipment in the cabinet body is in short circuit and on fire, and therefore, the fire extinguishing layer can bespattered on the surface of the switch equipment, and fire extinguishing effects can be achieved; and through the arrangement of a placing platform at the bottom of the cabinet body, various maintenance tools and small parts can be placed on the placing platform when the switch equipment in the cabinet is maintained.

The invention relates to the related field of fire fighting, and discloses a forest fire trench excavation emergency vehicle. The forest fire trench excavation emergency vehicle comprises a vehicle body, wherein a push-out cavity is formed in the vehicle body, an excavation cavity with a downward opening is formed in the lower side of the push-out cavity in a communicating mode, an excavation plate is fixedly arranged on one side wall of the excavation cavity, the lower end of the excavation plate extends to the lower side of the vehicle body, excavation shovels are fixedly arranged on the upper side and the lower side of the end face, facing the other side wall of the excavation cavity, of the excavation plate, a cam cavity is formed in the side wall, away from an opening, of the push-out cavity in a communicating mode, a reciprocating push plate mechanism is arranged in the cam cavity, and a soil breaking mechanism is arranged on the lower side of the vehicle body and located on the side, opposite to the excavation plate, of the excavation cavity. According to the forest fire trench excavation emergency vehicle, soil can be firstly crushed during excavation, the soil is wetted by spraying water, the excavation of the soil is facilitated, the excavation efficiency is further improved, and meanwhile, the fire extinguishing effect is improved.

The invention discloses iron tailing lightweight phase change concrete and a preparation method thereof, belonging to the technical field of building materials. The invention aims to solve the problems of high cost and poor temperature adjustment effect of phase change temperature adjustment concrete, poor stability of iron tailings, dry shrinkage cracking, high maintenance cost and the like in the prior art. The iron tailing lightweight phase change concrete is prepared from the following raw materials in parts by mass: 5 to 15 parts of cement, 10 to 20 parts of quick lime, 10 to 15 parts of fly ash, 35 to 45 parts of river sand, 30 to 40 parts of iron tailings, 0.08 to 0.15 part of aluminum powder paste, 0.2 to 0.5 part of water-absorbent resin, 0.2 to 0.8 part of an active auxiliary agent, 55 to 65 parts of water and 0.1 to 0.5 part of a water reducing agent. The iron tailing lightweight phase change concrete provided by the invention has good workability and good constructability in a preparation process; collapsing can be effectively prevented in early-stage maintenance; maintenance conditions are simple, and hydration reaction can be continued; stability is good, and cracking is prevented; heat is effectively absorbed and a temperature is reduced when a fire disaster occurs; and a temperature can be adjusted according to humidity to keep a comfortable environment.

The invention belongs to the technical field of control boxes, particularly relates to an electric control box for engineering machinery, and aims to solve the problems that a large number of electric appliance elements exist in an existing electric control box, and spontaneous combustion flames cannot be extinguished in time although the electric appliance elements can be automatically powered off and give an alarm when spontaneous combustion occurs due to short circuit of electric appliances, so that greater risks are easily caused. According to the technical scheme, the device comprises a box body, four supporting legs are arranged at the bottom of the box body, an electric appliance element is arranged in the box body, two box covers are rotationally installed on the front face of the box body, a smoke sensor is arranged on the rear side of the inner wall of the box body, a plurality of heat dissipation holes are formed in the two sides of the box body, and a supporting plate is fixedly installed in the box body; a foam nozzle is rotationally installed at the bottom of the supporting plate, a foam cylinder is installed on the inner wall of the top of the box body, and a separation net is arranged in the foam cylinder. The device is simple in structure, foam can be sprayed to extinguish fire when spontaneous combustion of an electric appliance occurs, meanwhile, oxygen can be isolated, and larger risks are avoided.

The invention provides a fireproof thermal insulation board comprising a thermal insulation layer, an adhesive layer adhered to the thermal insulation layer and a protective layer. A fireproof layer is adhered to the surface of the protective layer and covers the surface of the thermal insulation layer and side surfaces of the thermal insulation layer, the adhesive layer and the protective layer.The fireproof layer is internally provided with a placement groove in which a plurality of extinguishing bags are fixed. The fireproof layer, the protective layer and the thermal insulation layer areinternally provided with communicating through holes. The fireproof thermal insulation board has good fire prevention performance.