18results about How to "Extended escape time" patented technology

The invention belongs to the technical field of ventilation control. The invention provides a tunnel fan intelligent control method and system based on smoke prediction. The method comprises the following steps: collecting and using training data to train a BiLSTM model; the sensor data acquisition module is used for acquiring environmental data in the tunnel to obtain first smoke detector data, first temperature sensor data and first humidity sensor data, and inputting the environmental data into the trained BiLSTM model at the same time; second smoke detector data, second temperature sensor data and second humidity sensor data at predicted future moments are obtained; and comparing the data of the second smoke detector with the first interval, comparing the data of the second temperature sensor with the second interval, comparing the data of the second humidity sensor with the third interval, and performing intelligent control on the tunnel fan according to the comparison result. According to the invention, the fan can be automatically regulated and controlled based on the pre-judgment of the fire, and the smoke can be timely discharged out of the tunnel.

The invention relates to a new energy vehicle power battery protection flame-retardant system and method, and belongs to the technical field of new energy vehicle protection. The system comprises a controller, a power source, an unfolding device and sensors, the power source, the unfolding device and the sensors are electrically connected with the controller, the unfolding device comprises a gas generator and flame-retardant cloth, and the sensors comprise a temperature sensor arranged on a vehicle power battery, a smoke sensor and collision sensors arranged on a vehicle body and the power battery; and the unfolding device is arranged corresponding to a power battery of the vehicle. The invention has the following beneficial effects: when the vehicle power battery burns due to high temperature or accident collision, flames, high temperature and a large amount of smoke generated by burning are isolated, the escape time of passengers is prolonged, the medical cost caused by casualties is reduced, and the economic loss is effectively reduced; and meanwhile, by reducing the number of casualties in traffic accidents, the overall safety level of the society is improved, and the social stability is maintained.

The battery box comprises a box body with an opening in the upper end, a box cover for sealing the upper end of the box body and a fire extinguishing assembly located on the side face of the box body, and the box cover and the box body are matched to form a sealed battery mounting bin. The fire extinguishing assembly used for achieving battery fire extinguishing comprises a pressure-resistant storage tank storing lithium battery fire extinguishing liquid and a pump body communicated with the interior of the pressure-resistant storage tank, and the pump body is connected with the box cover through a pipeline and used for feeding the lithium battery fire extinguishing liquid into the box cover. According to the battery box, the fire extinguishing assembly and the fire extinguishing flow channel are integrated, if uncontrollable overheating or fire disasters occur, a fire extinguishing agent can rapidly intervene, fire is prevented from spreading to other parts of a battery system, and therefore the safety of the battery system is greatly improved.

The present invention discloses a strong-ventilation human-defense fire door, which relates to the technical field of fire doors, including a fire door mechanism, wherein a horizontal adjustment mechanism is fixedly connected to the side of the fire door mechanism, an angle adjustment mechanism is installed inside the horizontal adjustment mechanism, a fire door smoke exhaust mechanism is fixedly connected to the upper part of the angle adjustment mechanism, and a height adjustment mechanism is installed at the bottom of the horizontal adjustment mechanism. The present invention exhausts smoke by turning on an axial flow fan, which transmits suction to a smoking pipe through a smoke collecting pipe and a connecting hose, inhales smoke through the smoking pipe, and discharges smoke through the smoke exhaust pipe according to a designed position. When installing the smoking pipe, the smoking pipe is installed at a higher position to ensure a good smoke exhaust effect, while avoiding a low height that affects the escape of personnel. The smoke on the other side of the door panel is discharged outwardly through the fire door smoke exhaust mechanism, thereby reducing the concentration of smoke at the fire scene and increasing the escape time for personnel still at the fire scene.

The utility model discloses an evaporation closed cabin for detecting the volatilization level of hydrocarbon, which relates to the technical field of automobile detection equipment, comprises an evaporation closed cabin and a detection chamber arranged in the evaporation closed cabin, and is characterized in that a detection device is arranged in the detection chamber and comprises an anti-dissipation detection unit and an adjustable cooling and heat dissipation unit, the anti-dissipation detection unit comprises a suspension seat, a sliding groove is formed in the suspension seat, an adjusting pulley is arranged in the sliding groove, a connecting rod is connected to the adjusting pulley, a connecting concave block is arranged on the connecting rod, and the other end of the connecting concave block is connected with a wave airflow plate. According to the utility model, through the sliding of the adjusting pulley in the anti-dissipation detection unit, the connecting concave block and the wave airflow plate connected with the connecting concave block are driven to move, so that the position adjustment can be carried out according to the vehicle length when different detection vehicle types enter the evaporation closed cabin, and the situation that particulate matters are difficult to completely and accurately detect is avoided; and the particulate matter cleaning effect is improved.

The utility model relates to the technical field of constructional engineering, and discloses an anti-collapse protection device for constructional engineering, which comprises two anti-collapse baffles, reinforcing mechanisms are sleeved in the anti-collapse baffles, a connecting block is fixedly arranged on one side of each anti-collapse baffle, and a butt joint block is fixedly arranged on the other side of each anti-collapse baffle. And a protection mechanism is arranged in the anti-collapse baffle in a sleeving manner. According to the anti-collapse baffle, the butt joint blocks and the connecting blocks are in butt joint according to the length of the foundation pit, the anti-collapse baffles are connected and fixed, meanwhile, the protective covers are connected with the inserting grooves in an inserted mode through the telescopic plates, and then the U-shaped plates in the protective covers are pulled out of the protective covers and inserted into the connecting grooves. And finally, the moving plate drives the scraper knife to move downwards according to the excavation depth of the foundation pit, in the whole process, the overall length, width and depth of the protection device can be adjusted, splicing is rapid, dismounting is easy, and carrying is convenient.

The utility model discloses a fireproof foot pad, and relates to the technical field of new energy automobile interiors, the fireproof foot pad comprises a surface layer, a sponge layer and a fireproof anti-skid layer which are sequentially stacked from top to bottom, and the fireproof anti-skid layer has A-level fireproof performance. The fireproof foot pad provided by the utility model is provided with the integral fireproof anti-skid layer with A-level fireproof performance, that is to say, non-combustible materials are applied to the foot pad of the new energy automobile, so that the fire can be prevented from quickly spreading after a battery pack of the new energy automobile is deflagrated, and a longer escape time is provided for passengers. In addition, as the fireproof anti-skid layer is a whole made of one material, the whole foot pad can be prevented from being burnt from the bottom of the fireproof foot pad, the lower portion of the foot pad is prevented from being burnt, and therefore the heat insulation performance of the whole foot pad is better. And the fireproof and anti-skidding layers are arranged in the same layer, so that the fireproof foot pad has fewer structural layers and is convenient to manufacture. In addition, the fireproof foot pad is provided with the sponge layer, the surface layer can be supported, and the heat insulation performance of the fireproof foot pad can be further improved. The fireproof foot pad is provided with the surface layer, so that the foot pad is attractive, wear-resistant and stain-resistant.

The utility model provides a new energy battery protection device which comprises a battery box, a bottom plate is arranged on the lower portion of the battery box, an upper cover is arranged on the upper portion of the battery box, the interior space of the battery box is divided into independent battery pack installation grooves through a plurality of partition plates, a protection pipe is installed on the bottom plate in an embedded mode, and an electromagnetic valve is arranged in each battery pack installation groove in the protection pipe. One end of the protective pipe extends out of the battery box and is communicated with the refrigerant storage tank; side pipes are connected to the two sides of the protection pipe, electromagnetic valves are arranged on the side pipes, and a pressure valve is arranged on the bottom plate in each battery pack installation groove. According to the device, the protective pipe is arranged in the battery box, the protective pipe can be controlled to release a refrigerant, and when a single battery pack is subjected to thermal runaway, the instantly released refrigerant can reduce the temperature of the battery pack, delay the heat diffusion of the battery pack and prolong the escape time.

The utility model relates to the technical field of coal mine tunneling, and proposes a safety supporting device for coal mine tunneling operation, which comprises two bases, the two bases are oppositely arranged, a lifting pipe is welded to the top end face of the base, a lifting column is inserted into the top of the lifting pipe, a damping pipe is screwed to the top end face of the lifting column, a first damping rod is screwed to the inner bottom of the damping pipe, and a top rod is inserted into the top of the damping pipe; the safety supporting device for coal mine tunneling operation forms first round protection through the steel cable, the second damping rod and the supporting pad, if the steel cable is broken or comes out of the sleeve due to excessive pressure, second round protection is formed by the first connecting rod and the second connecting rod, and buffering is performed by the first damping rod; multiple protections are conducive to improving the safety supporting effect of the equipment, and the range supported by the equipment is large, which can increase the escape time when the mine collapses and improve the use effect of the equipment.

This invention relates to the field of vehicle technology and discloses a buoyancy switch device for an air duct, an air conditioning intake assembly, and a vehicle. The device includes an air duct assembly, a baffle, and a buoyancy drive device. The air duct assembly has an internal air duct, and the baffle is movably disposed within the air duct. The buoyancy drive device includes a transmission assembly and a first buoyancy drive component, which is convexly connected to the baffle via the transmission assembly. The first buoyancy drive component has an initial position and a floating limit position, and the baffle correspondingly has a non-blocking position and a blocked position. When the first buoyancy drive component is in the initial position, the transmission assembly drives the baffle to maintain the non-blocking position to keep the air duct open. When the first buoyancy drive component moves to the floating limit position due to buoyancy, the transmission assembly drives the baffle to switch to the blocked position to block the air duct. This invention solves the problem of not being able to block the air duct opening after a vehicle falls into water.

The utility model discloses a shell assembly, a battery, a battery pack and a new energy vehicle, and the shell assembly comprises a shell which is provided with a containing cavity, a groove is formed in the bottom wall of the shell, the containing cavity is used for containing a battery cell, a pressure relief gap is formed between the battery cell and the inner wall of the shell, and the pressure relief gap is communicated with the groove; and the anti-explosion valve is arranged on the bottom surface of the groove. Through the mode, a good pressure relief channel can be formed in the battery, so that the channel leading to the bottom of the shell is smooth, the anti-explosion valve can be opened in time when necessary, and the risk that the welding position of the cover plate is cracked or exploded is reduced.

The utility model discloses a fuel gas vertical pipe supporting device which comprises a fuel gas vertical pipe, a plurality of rear clamping plates are movably installed on the surface of the rear side of the fuel gas vertical pipe, a plurality of front clamping plates are movably installed on the surface of the front side of the fuel gas vertical pipe, and connecting rods are fixedly installed on the surfaces of the front sides of the front clamping plates. A baffle is fixedly installed on the surface of the front side of the connecting rod, and arc-shaped flow guide plates are fixedly installed on the two sides of the baffle. Through the cooperation of the baffle and the arc-shaped flow guide plate, when the device is used, the gas stand pipe can be completely shielded by the baffle after the gas stand pipe is supported by the rear clamping plate and the front clamping plate, and when the gas stand pipe is broken and gas leakage occurs, the gas can be blocked through the baffle, so that the gas stand pipe is prevented from being damaged, and the service life of the gas stand pipe is prolonged. The situation that gas directly spews outwards when leaking and accidentally hurts people is avoided, the gas is blocked through the baffle so that the leaked gas cannot directly spew outwards, response time is given to people, and people are prevented from being injured.

The present invention discloses an auxiliary monitoring device and alarm device for thermal runaway of new energy batteries in a battery pack, including a main body and a battery pack slot, wherein the battery pack slot is provided at the top of the main body, and a fitting slot is provided inside the battery pack slot, and also includes an isolation jet mechanism, which is provided inside the fitting slot, and the isolation jet mechanism includes a transmission gas pipe rack. The present invention can quickly take away the temperature diffused outward from the battery pack in thermal runaway through the characteristics of low-temperature flame-retardant gas and rapid fluidity, thereby increasing the isolation effect between each two single battery packs, avoiding the high temperature or thermal runaway single battery pack that has already caused internal combustion due to high temperature and causing rapid impact on the single battery pack that has not caused thermal runaway nearby, thereby greatly prolonging the time for the single battery pack in thermal runaway to affect other battery packs, thereby prolonging the speed of battery pack catching fire or exploding, and prolonging the escape time of people inside the electric vehicle.

The utility model discloses a kind of smoke-proof fire doors, it is related to fire door technical field;And the utility model includes door frame and door panel, the door frame one end is hinged with door panel, the door frame inner wall one end is fixedly connected with baffle, one side of the door panel is equipped with recess, water bag is arranged in the recess, the recess and water bag are all along door panel edge and are set around, the water bag outer wall one end is provided with first gasket, the baffle one end side wall is provided with second gasket, the first gasket and second gasket are movably connected, the door panel inside is equipped with water flow channel, the door panel one end is provided with water jet, the water jet is communicated with water flow channel, the water jet one end is provided with multiple atomizing nozzles;The utility model is by filling water in water bag and making it expand, to let first gasket and second gasket adhere more closely, to improve smoke-proof effect in this way.

The utility model provides a flame-retardant steel-plastic composite belt which comprises a steel-plastic composite belt body, the steel-plastic composite belt body comprises a substrate layer, a first functional layer and a second functional layer, the first functional layer comprises an aluminum hydroxide coating and a phosphorus coating, and the second functional layer comprises an intumescent flame-retardant coating and a nanotechnology coating. The first functional layer comprising the aluminum hydroxide coating and the phosphorus coating is arranged, the aluminum hydroxide coating is decomposed at high temperature to generate moisture, so that the temperature of the surface of the material is reduced, released water vapor is beneficial to diluting oxygen in flame and slowing down the combustion speed, in addition, decomposition products can form a layer of protective film, and the service life of the material is prolonged. The phosphorus-based coating is applied to the steel-plastic composite belt requiring higher flame-retardant grade and thermal stability, the phosphorus-based coating can promote the surface of the material to form a compact carbon layer during heating or combustion, and the carbon layer can effectively isolate oxygen and heat transfer, so that the heat resistance and flame retardancy of the material are improved, and the material is suitable for being applied to the steel-plastic composite belt requiring higher flame-retardant grade and thermal stability.

The utility model discloses a fireproof door with a heat insulation protection function, which belongs to the technical field of fireproof doors and comprises a fireproof frame body and a fireproof door plate, the fireproof door plate is connected in the fireproof frame body through hinges, three pairs of fireproof concealed pipes are symmetrically arranged on two sides of the fireproof frame body, and the three pairs of fireproof concealed pipes are symmetrically arranged outside two sides of the fireproof door plate. One end of the fireproof concealed pipe is provided with a threaded connector, the threaded connector of the fireproof concealed pipe is connected with the threaded position of a water pipe connector pre-buried in a wall in advance, the other end of the fireproof concealed pipe penetrates through the fireproof frame body, and a water spraying hole is formed in the position, where the fireproof concealed pipe is located, of the fireproof frame body. The external cooling and heat insulation effects are added to the fireproof door plate, and the fireproof heat insulation layer of the fireproof door plate is added, so that the heat insulation effect of the fireproof door plate is better, the hand scalding feeling when a user holds a door handle is reduced, and the escape and fire fighting time is prolonged.

The invention discloses a battery, a battery pack and a fire extinguishing method of the battery, and is applied to the technical field of batteries. The battery comprises a battery body, a control assembly, a monitoring assembly, a first fire extinguishing assembly and a second fire extinguishing assembly, the battery body comprises a top cover, an anti-explosion valve is arranged on the top cover, and the first fire extinguishing assembly and the second fire extinguishing assembly are respectively arranged on the top cover and are close to the anti-explosion valve; a fire extinguishing medium is arranged in the first fire extinguishing assembly, and a fire extinguishing blanket is arranged in the second fire extinguishing assembly. The control assembly is electrically connected with the first fire extinguishing assembly, the second fire extinguishing assembly and the monitoring assembly. The monitoring assembly is arranged on the top cover and used for monitoring the opening state of the anti-explosion valve, and the control assembly is arranged on the top cover and used for controlling the first fire extinguishing assembly to spray a fire extinguishing medium to the anti-explosion valve and controlling the second fire extinguishing assembly to eject a fire extinguishing blanket to the anti-explosion valve to enable the fire extinguishing blanket to cover the anti-explosion valve under the condition that the anti-explosion valve is opened. In this way, the battery is extinguished through the two fire extinguishing assemblies, and the safety performance of the battery is improved.

The invention belongs to the technical field of marine flame-retardant equipment, and relates to a marine high-temperature-resistant flame-retardant material and a B-15-level fireproof bulkhead box. The B15 fireproof bulkhead box comprises a box outer shell, a box inner shell, a supporting base, aluminum strip pieces, preformed holes and the like. A reserved hole is formed in the box outer shell, the box outer shell is nested outside the box inner shell, a supporting base is arranged on the lower portion of the box inner shell, and the box body is fixed in a wall through a fastening screw, an outer fixing groove, a metal clamping plate and a buckle fastening plate combined structure. The B15 fireproof bulkhead box is prepared from a marine high-temperature-resistant flame-retardant material, and the marine high-temperature-resistant flame-retardant material comprises the following raw materials: polypropylene, a hydrophobic enteromorpha fiber stock solution modified flame retardant, graphite, calcium carbonate and the like. The B15 fireproof bulkhead box made of the marine high-temperature-resistant flame-retardant material is light in weight, high in strength, resistant to corrosion and excellent in fireproof and flame-retardant performance, reaches the B15 fireproof grade of ships, can be applied to factory harbor areas such as mines, metallurgy, power plants, chemical engineering, manufacturing, port operation and temporary houses in construction sites, and is wide in application scene.