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 a fireproof rolling curtain with a self-triggering function. The fireproof rolling curtain comprises a fixing rod arranged on the side wall of a wall body, a fireproof curtainis wound on the side wall of the fixing rod, the lower end of the fireproof curtain is fixedly connected with a lifting plate, a lifting block is fixedly connected to the side wall of the lifting plate, and the lifting block has magnetism; a fixing groove and an auxiliary groove are formed in the side wall of the wall body, the lifting block is located in the fixing groove, a counterweight block is slidably connected in the auxiliary groove, and the counterweight block has magnetism; the lifting block is fixedly connected with the upper wall of the counterweight block through a connecting rope, a control cavity is formed in the wall body, and a first rotating shaft and a second rotating shaft are rotationally connected to the inner wall of the control cavity through a bearing; and a firstbevel gear is arranged at the tail end of the first rotating shaft, and a second bevel gear meshed with the first bevel gear is arranged at the tail end of the second rotating shaft. According to thefireproof rolling curtain, the fire field can be isolated in time, the fire behavior can be prevented from spreading to other areas and can be reduced, and the time can be saved for firefighters.

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 relates to fire-extinguishing particles and a preparation method thereof, and mainly solves the problem that a foam fire-extinguishing agent cannot comprehensively cover in a short time or foam is continuously combusted and exhausted by fire of oil tanks in the prior art. The problem is solved well through adopting the technical scheme that the fire-extinguishing particles and the preparation method thereof are adopted, the fire-extinguishing particles comprise inorganic solid materials with hollow interiors or with cellular micropore structures, and the inorganic solid materials are modified expanded perlite, expanded vermiculite, hollow glass beads or floating beads; hydrophobic and oleophobic surface modification treatment is carried out on the fire-extinguishing particles, and the modifier is a cationic fluorocarbon surfactant containing alkyl group or amide group or sulfamide group; a cosolvent is at least one of alcohols and ethers, and an activator is sodium hydroxide solution or potassium hydroxide solution; the mass percentage content of the cationic fluorocarbon surfactant is 5%-25%; the mass percentage content of the cosolvent is 15%-25%; and the mass percentage content of the activator is 10%-30%. The fire-extinguishing particles can be used for fighting the fire of the oil tanks.

The invention discloses a container valve for a gas extinguishing agent steel cylinder. The container valve comprises a valve body, a connector, a sealing cap and a handle, wherein the connector, the sealing cap and the handle are connected to the valve body; the upper and lower parts of the valve body are hollow, and the connector is mounted at the top of the valve body; a first circular cavity and a second circular cavity are convexly arranged on the side surface of the valve body, and an inner cavity is sealed by the sealing cap; a piston ejector rod opposite to the sealing cap is arranged in the first circular cavity, and the exterior of the first circular cavity is connected with a pressing cap; a needle valve element is arranged in the second circular cavity, and the exterior of the second circular cavity is connected with the handle through the needle valve element; a breaking groove is formed in the sealing cap; a ring groove is formed downwards from the top surface of the valve body, a first through hole is formed from the bottom surface in an upward bending manner, the needle valve element is opposite to the first through hole, the first through hole is communicated with the second circular cavity, and the second circular cavity is communicated with the ring groove through a second through hole; a third through hole is formed in the first circular cavity and communicates the ring groove with the first circular cavity. The container valve for the gas extinguishing agent steel cylinder is started pneumatically or manually, and the piston ejector rod is pushed to break the sealing cap, so that a gas extinguishing agent is sprayed to reach a part to be extinguished, and the container valve is convenient and safe to operate.

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 discloses a heat-insulating fireproof steel door with a door mirror. The door comprises a door frame and a door leaf. The door leaf is hinged to the door frame through blind hinges. The door leaf comprises an outer side panel, an inner side panel and a fireproof layer arranged between the outer side panel and the inner side panel. The fireproof door mirror is arranged on the door leaf. A fireproof lock between the door frame and the door leaf is used for unlocking or locking the door leaf. The upper end of the door leaf is connected with the door frame through a door closing device. The fireproof door further comprises an automatic warning system arranged on the door leaf. The door has the advantages of being good in fireproof property and safe, effectively preventing the door leaf from deforming, automatically giving an alarm, preventing burglary, and extinguishing fires.

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 self-trigger type fire preventing and distinguishing curtain which comprises a winding column arranged on the side wall of a wall body. A fireproof curtain is wound on the side wall of the winding column. Trigger mechanisms are arranged on the two side walls of the wall body corresponding. Each trigger mechanism comprises a lifting plate fixedly connected to the lower endof the fireproof curtain. The two ends of each lifting plate are fixedly connected with sliders. Slide grooves are formed in the side wall of the wall body. The sliders are located in the two slide grooves correspondingly. An adjusting cavity is formed in the wall body. An adjusting cylinder is fixedly connected with the inner wall of the adjusting cavity. A magnetic slide plug is elastically connected with the inner wall of the adjusting cylinder through a first spring. The space, located on the right side of the magnetic slide plug, of the adjusting cylinder is filled with a heat expansionand cold contraction medium. A magnetic ring is slidingly connected with the side wall of the adjusting cylinder. A rack is fixedly connected with the lower wall of the magnetic ring. The self-triggertype fire preventing and distinguishing curtain can prevent fire from spreading to other areas, can also cut off circuits in time and spray water out of a water spraying pipe and can have a certain fire distinguishing effect to a certain extent.

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 fire-fighting emergency lamp. The fire-fighting emergency lamp comprises a housing, wherein an indicator light is arranged at the front end of the housing; a lighting lamp is arranged on the upper end surface of the housing; and a light sensor is arranged on the housing. The fire-fighting emergency lamp is characterized in that a dry powder device capable of spraying dry powder to extinguish the fire is arranged in the housing; a moving mechanism capable of driving the dry powder device to move out of the housing to spray dry powder is arranged in the housing; a rotating mechanism capable of driving the dry powder device to spray dray powder in a rotating manner is arranged in the housing; and a temperature sensor capable of controlling the startup of the dry powder device, the moving mechanism and the rotating mechanism is arranged on the surface of the housing. The fire-fighting emergency lamp has the benefits as follows: the structure is simple, the use is convenient, the temperature sensor can sense the temperature, so that when a fire occurs and the temperature is too high, the moving mechanism is started to drive the dry powder device to move towards the outside and spray dry powder, the rotating mechanism further drives the dry powder device to spray dry powder in a rotating manner to achieve a fire extinguishing effect, an auxiliary fire extinguishing effect is achieved, and the safety of the exit passageway is ensured.

The invention relates to the technical field of electrical safety, and discloses an electrical safety monitoring and early warning device in order to solve the problem that an existing electrical safety monitoring and early warning device cannot effectively isolate air in an electrical cabinet during use so as to achieve a fire extinguishing effect, the electrical safety monitoring and early warning device comprises an electrical cabinet body, and the electrical cabinet body comprises an electrical cabinet shell, heat dissipation holes and a cabinet door. And a supporting air bag is arranged at the top of the electrical cabinet shell. When a fire disaster occurs, the temperature of air in the electrical cabinet shell rises, high-temperature airflow enters the supporting air bag, the supporting air bag is inflated and swelled, the swelled supporting air bag jacks the movable shell upwards, and the movable shell drives the shielding component to move upwards while being jacked to move upwards, so that the shielding component is blocked by the shielding component. According to the electrical cabinet shell, the shielding part is arranged to shield the opening of the heat dissipation hole, so that the interior of the electrical cabinet shell is sealed, external air is prevented from flowing into the electrical cabinet shell, the oxygen content of the air in the electrical cabinet shell is reduced, and a fire extinguishing effect is achieved.

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 a steel fireproof entrance door which comprises a door frame and a door leaf. The door frame is hinged to the door leaf through fireproof hinges. The door leaf comprises an outer side panel, an inner side panel and a fireproof layer arranged between the outer side panel and the inner side panel. The fireproof door further comprises an automatic warning device. The automatic warning device is arranged on the door leaf. The fireproof layer comprises a honeycomb flame-retardant paper layer and a fireproof filler layer, and the honeycomb flame-retardant paper layer is filled with the fireproof filler layer. The door leaf is opened or locked through a fireproof lock between the door frame and the door leaf. The door has the advantages of being good in fireproof performance, effectively avoiding deformation of the door leaf and having the functions of automatic warning, fire extinguishing and storage of fireproof articles.

The invention discloses a communication power compound cable for a robot industry. The communication power compound cable comprises a compound cable sheath, wherein two first through holes for accommodating a power cable core and a communication optical cable separately are formed in the compound cable sheath; aluminum-coated layers are arranged on inner walls of the first through holes; the communication optical cable is formed by a plurality of optical fibers; the sections of the plurality of optical fibers form a quadrangle; the power cable core is formed by a plurality of copper cables; aplurality of EMC absorbing magnetic rings sleeve the power cable core at intervals; a second through hole for accommodating a steel cable is also arranged between the two first through holes of the compound cable sheath; the second through hole is a right circular through hole; a rectangular anti-folding frame sleeves the outside of the second through hole; and the thicknesses of the aluminum-coated layers are 0.5-0.8mm. According to the communication power compound cable for the robot industry, a plurality of cooling pipes arranged in sequence are clamped at the centers of the plurality of copper cables at intervals, so that a fire hazard is reduced.

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 provides a machine room environment monitoring alarm system based on an Internet of Things management platform, which comprises a monitoring end, a control end and an operation end; the monitoring end comprises a sensor group for monitoring the environment in a machine room and a camera unit for monitoring videos in the machine room; the control end comprises a controller in communication connection with the monitoring end; the operation end comprises an environment adjusting unit and an accident processing unit which are in communication connection with the control end; the environment adjusting unit comprises a temperature adjusting mechanism for adjusting the temperature in the machine room, a ventilation mechanism for adjusting the humidity in the machine room and an illumination mechanism for adjusting the light in the machine room, wherein the accident handling unit comprises a fire extinguishing mechanism for extinguishing a cabinet and a dehumidification mechanism for performing local dehumidification. According to the invention, various environmental information in the machine room can be remotely monitored, regulated and controlled; and after a fire accident is monitored in the machine room, the fire accident can be remotely and timely responded to the site and emergently processed, so that the loss in the machine room is reduced, and time is saved for subsequent first-aid repair and maintenance.

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 realizes a fireproof partition device between two points. The fireproof partition device comprises a first cylinder and a second cylinder. Fireproof flame-retardant layers wind around the first cylinder and the second cylinder. Each fireproof flame-retardant layer includes at least two pieces fireproof cloth in contact; a slippage device is arranged at the bottom of the fireproof flame-retardant layer; and a rotating fixation device is arranged at the end portion of the fireproof flame-retardant layer. When a fire occurs, rotating shafts are dragged to pull the fireproof flame-retardant layers wound in the first cylinder and the second cylinder out and four groups of fireproof cloth can be dragged from the first cylinder and the second cylinder; the fireproof cloth in the first cylinder and one group of fireproof cloth in the second cylinder are fixed by clamping jaw groups arranged at the rotating shafts, so that the fire is enclosed. The four groups of fireproof cloth form a regular or irregular quadrangle, thereby realizing effects of isolating the fire and extinguishing fire.

The invention discloses a toppled alcohol lamp with a self-extinguishing function. The toppled alcohol lamp with the self-extinguishing function comprises a bottle body, a cotton thread and a fixing plug, wherein the fixing plug is clamped at the upper end of the bottle body, the cotton thread is arranged in the bottle body, one end of the cotton thread penetrates through the fixing plug, a cavityis formed in the fixing plug, the cavity comprises a left movable cavity and a right movable cavity, the left movable cavity communicates with the right movable cavity, a left sliding block is connected in the left movable cavity in a sliding mode, a traction line is fixedly connected below the left sliding block, a right sliding block is slidably connected in the right movable cavity, a memory metal sheet is fixedly connected to the right sliding block, and an annular groove is formed in the bottom of the fixing plug. According to the toppled alcohol lamp with the self-extinguishing function, when the alcohol lamp is toppled, the traction line is pulled by the tilting of a toppled bottle body, the memory metal sheet is extruded out of the cavity through gas, the memory metal sheet is subjected to deformation and folded under the high-temperature action of flame, so that the flame is covered, and then oxygen is isolated to achieve a fire extinguishing effect.

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.