27results about How to "Improve fire safety" patented technology

The utility model relates to an intelligent temperature control heat preservation cover for a battery, which comprises a plurality of heat preservation single sheets, each heat preservation single sheet is provided with a fixing component, and the plurality of heat preservation single sheets are detachably connected with one another through the fixing components to form a heating integrated heat preservation cover; the multiple fixing assemblies are arranged on the edge of the heat preservation single piece at intervals, and the length of each fixing assembly can be adjusted. The heating integrated heat preservation cover is coated outside the battery system, and at least one heat preservation single sheet is provided with heat dissipation holes; each thermal insulation single sheet comprises an outer layer, a thermal insulation layer and a flame-retardant inner layer, and the outer layer, the thermal insulation layer and the flame-retardant inner layer are sequentially laminated; a heating film is embedded in the heat preservation layer, and a temperature sensor is arranged in the heat preservation layer and close to the heating film. Each thermal insulation single sheet is connected with a plurality of temperature acquisition wire harnesses, and each temperature acquisition wire harness is connected to a temperature sensor and a temperature management system and is used for transmitting battery temperature data in real time; the temperature management system is connected with the heating film and used for controlling the heating power of the heating film according to the battery temperature data.

The application discloses a high-temperature-resistant silica gel composite material and a preparation method thereof, and belongs to the technical field of high polymer materials. In view of the problems that existing silica gel is easy to be thermally degraded and brittle and has poor flame-retardant performance above 300 DEG C, the application uses methyl vinyl silicone rubber as a matrix, introduces specific structure organic flame retardant and epoxy modified nano cerium dioxide. The two are in-situ chemically bonded through epoxy groups and phenolic hydroxyl groups to construct a synergistic protection network, which significantly improves the dispersibility of the filler and prevents high-temperature migration. The material has excellent mechanical property retention rate at 350 DEG C extreme high temperature, and the flame-retardant grade reaches UL-94 V-0 level. By forming a dense Ce-P-O-C ceramicized carbon layer, oxygen and heat are effectively isolated, the technical problems that the silica gel is easy to crack and easy to burn in an extreme heat environment are solved, and the material is suitable for the fields of aerospace and electronic packaging.

The application belongs to the technical field of hospital logistics, and discloses a hospital logistics track system fire compartment safe crossing equipment, which is used for realizing the transition of a track system between different fire compartments and comprises a first track and a second track located on different fire compartments, wherein a fireproof component and a butt joint part are arranged between the first track and the second track; the butt joint part is provided with a butt joint rail for connecting the first track and the second track, and the butt joint rail is reversely arranged, so that the butt joint rail can be switched between a working state and a storage state; the application adopts the design idea that the butt joint rail is switched between the working state and the storage state, and realizes the collaborative control of track connection and fireproof isolation. When a fire occurs, the butt joint rail can be quickly reversed to be separated from the track line, a physical disconnection is formed, an unobstructed space is provided for the complete closing of a fireproof curtain or a fireproof door, and the fireproof component can normally play a role to block the fire and the smoke spreading channel.

The invention discloses a roof assembly part of a transformer substation and an assembly type roof, and relates to the technical field of roof construction. The roof assembly part comprises a bottom plate, an inner core structure, a first connecting structure, a second connecting structure and a panel; wherein a mounting position is formed on the bottom plate; the inner core structure comprises a waterproof layer and a heat preservation layer which are sequentially arranged from top to bottom, and the heat preservation layer is installed at the installation position; the first connecting structure and the second connecting structure are arranged at the two ends, in the transverse direction, of the inner core structure correspondingly, the first connecting structure and the second connecting structure are both installed at the installation position, the first connecting structure is used for being connected with the second connecting structure of another roof assembly part, and the second connecting structure is used for being connected with the first connecting structure of another roof assembly part; and the panel covers the tops of the waterproof layer, the first connecting structure and the second connecting structure. According to the roof assembly part, the construction efficiency of roof construction can be improved, and the construction period is shortened.

This invention discloses a method for preparing a flame-retardant epoxy resin containing a recyclable flame retardant and its application. The method for preparing the flame retardant includes: preparing a manganese cobalt oxide flame retardant through the co-precipitation of manganese and cobalt ions followed by calcination. This invention synthesizes a manganese cobalt oxide flame retardant via a co-precipitation method and uses it as a filler in epoxy resin, curing it to obtain a green, halogen-free, environmentally friendly flame-retardant epoxy resin. It does not pollute the environment during pyrolysis or combustion and can effectively catalyze the conversion of harmful gases generated during combustion, which is beneficial to environmental protection and sustainable development. It has excellent flame-retardant properties, greatly reducing the release of heat, smoke, and harmful gases during epoxy resin combustion, significantly enhancing its fire safety. Furthermore, it enables efficient recovery of the flame retardant from the epoxy resin, with a recovery rate of up to 90.0%, achieving high-quality resource utilization.

The utility model relates to the technical field of energy storage, in particular to a modularized lithium ion battery energy storage cabin which comprises a cabin body, a battery chamber and an equipment chamber are arranged in the cabin body, a partition plate is arranged between the battery chamber and the equipment chamber, and the battery chamber comprises a plurality of battery racks distributed in the length direction of the cabin body. Two groups of battery clusters can be placed on each battery rack along the height direction of the cabin body, each group of battery clusters comprises a plurality of battery modules, and all the battery clusters are equally divided into two sets of battery stacks; a high-voltage box guide rail for mounting a high-voltage box is arranged below each battery rack, and a high-voltage box cover plate is arranged between the battery rack and the high-voltage box guide rail of the high-voltage box; the equipment chamber is located on one side of the cabin body in the length direction, the side, located on the cabin body in the length direction, of the equipment chamber is open, and the equipment chamber is divided into a liquid cooling chamber and an electrical chamber in the width direction of the cabin body. The modular design of one rack with two clusters and one cabin with two stacks is adopted, the spatial layout is reasonable, and the expansibility, compatibility and environmental applicability are high.

The utility model belongs to the technical field of polyethylene pipes, and particularly relates to a multi-layer steel wire winding antistatic polyethylene pipe which comprises a pipe body, a first connecting part arranged at one end of the pipe body, a second connecting part arranged at the other end of the pipe body, a threaded groove formed in the second connecting part, and a first sealing groove formed in the outer side of the threaded groove. A second sealing groove is formed in the inner side of the threaded groove, a threaded ring is arranged at one end of the first connecting part, and a first sealing ring is arranged on the outer side of the threaded ring. The first armor layer and the second armor layer are arranged in the pipe body and used in cooperation, the overall structural strength in the pipe body can be improved, the pipe body is prevented from being easily damaged by external acting force, the flame-retardant layer is arranged in the pipe body, the pipe body can have the flame-retardant effect, the fireproof safety of the pipe body in the using process is improved, and the service life of the pipe body is prolonged. Meanwhile, the conductive braid layer and the anti-static coating are arranged in the pipe body and used in cooperation, the anti-static performance of the whole structure is improved conveniently, and therefore the structural functionality of the anti-static pipe is improved.

The invention provides an air pipe and curtain wall connecting and plugging structure, and relates to the technical field of curtain wall air pipe plugging, the air pipe and curtain wall connecting and plugging structure comprises a curtain wall structure, the curtain wall structure comprises a structural plate, a wall body structure and a plurality of supporting structures, and the multiple supporting structures surround to form a curtain wall air opening penetrating front and back; the curtain wall structure comprises an air pipe and an air pipe connecting box, one end of the air pipe is communicated with the air pipe connecting box, and the end, away from the air pipe, of the air pipe connecting box is communicated with a curtain wall air opening, so that the two ends of the air pipe are communicated with the front end and the rear end of the curtain wall structure. The air pipe connecting box and the curtain wall air opening are connected in an embedded mode, and the rainproof shutters are arranged in a flush mode, so that flatness and attractiveness of the outer vertical face of a building are achieved, the high requirement of a modern building for the impression effect is met, multiple layers of reinforcing and sealing measures such as the sealing plate, the self-tapping screws, the sealant and the fireproof sealant are adopted, and the sealing effect is good. Not only is the supporting strength of the joint enhanced, but also water leakage at the joint is effectively prevented.

The utility model discloses a waterproof and fireproof composite decorative plate which comprises a base plate layer, a fireproof flame-retardant layer, a waterproof breathable film layer and a decorative surface layer arranged on the base plate layer, and a reinforced honeycomb aluminum core structure is arranged between the base plate layer and the fireproof flame-retardant layer. A plurality of fireproof reinforcing ribs with trapezoidal sections are arranged on the outer surface of the fireproof flame-retardant layer at intervals, and a nano hydrophobic coating is arranged on the surface of the waterproof breathable structure. Through the synergistic effect of a multi-layer structure, excellent fireproof, waterproof and decorative performance is achieved. The reinforced honeycomb aluminum core structure obviously improves the strength and compression resistance of the board, and the filled flame-retardant polyurethane foam further enhances the fireproof capability. And the fireproof flame-retardant layer with a special ratio is combined with the fireproof reinforcing ribs with trapezoidal cross sections and the flow guide bulges at the top, so that an effective fireproof barrier and a heat dissipation channel are formed.

The utility model relates to current transmission technical field provides a bus duct, include: fireproof shell and fire -resisting structure, fireproof shell is used for containing conducting strip, fireproof shell includes: a pair of parallelly arranged first board body and a pair of parallelly arranged second board body, second board body is perpendicularly arranged with first board body, and two ends of each second board body are respectively with a first board body detachable connection, and first board body and second board body are all fireproof board body, fire -resisting structure is set up in the outside of fireproof shell, and fire -resisting structure includes: a pair of clamping pieces and a plurality of fire -resisting package, a pair of clamping pieces are oppositely arranged in the outside of fireproof shell and are connected to form fixed sleeve, and a plurality of fire -resisting package are arranged on each surface of fixed sleeve. The bus duct can prevent fire from invading the fireproof shell, effectively improve the fire safety performance of the bus duct, and effectively isolate the fire source when a fire occurs, preventing the fire from spreading to the entire bus duct and protecting power transmission from being affected.

The utility model relates to an assembled electric power passage, including assembly box, still including the passage pipe of installation in assembly box both sides, the inside fixed mounting of assembly box has the partition baffle, and the inside front and rear both ends of assembly box all install fixed slide rail, the surface sliding installation of fixed slide rail has bracket assembly, the top of assembly box installs maintenance top cover, the passage pipe presents array distribution, and the end of passage pipe is provided with sealing connecting piece, and sealing connecting piece is used for the connection between passage pipe, the utility model discloses the connection through sealing connecting piece, realizes the connection between multiple passage pipes, and thin connecting piece and rubber layer, can carry out elastic connection, when subsiding, absorb the displacement amount that uneven settlement of ground produced, avoid the rigid tear or bending deformation that appears in passage pipe splicing part, protect structural integrity.

The application relates to a long-distance fire extinguishing vehicle, belonging to the technical field of fire fighting, and solves the problems that long-distance fire extinguishing is difficult to realize in the prior art and the flight distance of fire extinguishing bombs is difficult to control when the fire extinguishing bombs are launched. The long-distance fire extinguishing vehicle comprises a vehicle body, balance supporting legs, an electromagnetic launching system and fire extinguishing bombs. The electromagnetic launching system is fixedly arranged on the vehicle body. The electromagnetic launching system is used for launching the fire extinguishing bombs, and the fire extinguishing bombs are used for spraying fire extinguishing agents. The balance supporting legs are arranged below the vehicle body, and the lengths of the balance supporting legs are adjustable. The application realizes long-distance launching of the fire extinguishing bombs, and further realizes long-distance fire extinguishing.

This utility model provides a composite protective panel structure and a thin-walled car door, relating to the field of automotive door technology. The composite protective panel structure includes a protective panel base layer, a reinforcing frame, a buffer layer, and an interior trim layer arranged sequentially from the outer to the inner side of the car door. The reinforcing frame is located inside the protective panel base layer and is grid-shaped. The buffer layer includes a sealed cavity formed by an upper buffer plate and a lower buffer plate, and the sealed cavity is filled with sound-insulating cotton. The interior trim layer is located inside the buffer layer and is a fiber leather layer. The thin-walled car door includes an inner door panel and an outer door panel. The composite protective panel structure is installed on the inner side of the inner door panel, and the composite protective panel structure is fixedly connected to the inner door panel through its mounting flange. This utility model, through the integrated design of the grid reinforcing frame and the sealed sound-insulating cavity, achieves lightweighting while improving the structural rigidity, sound insulation, noise reduction, and cushioning safety performance of the car door components.

The application discloses a low-heat-release, low-smoke-density flame-retardant polyamide material and a preparation method and application thereof, and belongs to the technical field of high polymer materials. The material comprises nylon resin 52-61%, a flame retardant 18-26%, a flame-retardant synergist 6-10%, a plasticizer 8-15%, a coupling agent 0.5-1.0%, an antioxidant 0.3-1.0% and a lubricant 0.3-1.0%, and is prepared through mixing, melt mixing, extrusion and granulation. The application effectively reduces the heat release and the smoke density of the polyamide material during combustion through the synergistic effect of the components such as the flame retardant, and meanwhile, good mechanical properties and processing stability are maintained, thereby meeting the demand of high-safety-grade application scenarios.

The invention discloses a wear-resistant weather-resistant high-strength flame-retardant multi-layer co-extrusion woven fabric and a preparation method thereof. The woven cloth comprises a polyethylene glycol terephthalate (PET) layer and polyamide (PA) layers arranged on the upper surface and the lower surface of the PET layer, and the mass ratio of the PET layer to the PA layers is (38-42): (58-62). The PET layer comprises PET master batch, PTFE powder and a dispersing agent; the PA layer comprises PA particles, a flame retardant, a bridging agent, PTFE powder, an anti-ultraviolet agent and an antioxidant. The preparation method comprises the following steps: carrying out drying pretreatment on the PET master batch and the PA particles; respectively blending with corresponding auxiliaries to obtain pretreated master batches; melting and co-extruding the two pre-treated master batches at 180-265 DEG C, and cooling and drafting to obtain co-extruded flat filaments; and finally weaving into cloth. The obtained woven cloth has excellent wear resistance, weather resistance, high strength and flame retardance.

The utility model discloses a soybean oil's storage box, including the cuboid box body, the inside of box body is provided with the inner bag for storing soybean oil, is provided with multilayer composite protective layer between the inner bag and box body, and multilayer composite protective layer includes the inorganic fire -retardant material layer, fire -retardant cloth layer, heat insulating material layer and moisture -proof layer that distribute gradually from inside to outside, the top of box body is equipped with the oil inlet that communicates with the inner bag, and the oil inlet is connected with the oil inlet pipe of valve, the bottom of box body is equipped with the oil outlet that communicates with the inner bag, and the oil outlet is connected with the oil outlet pipe of valve, the utility model discloses have the advantages that fire -resistant, moisture -proof, convenient for observation and the stable structure.

The invention provides a lightning-proof overhead insulated cable, which relates to the technical field of insulated cables and comprises an insulated cable mechanism, an outer protection mechanism and a mounting mechanism. The insulated cable mechanism comprises an outer sheath, a first insulation sleeve, a second insulation sleeve, a buffer strip, a first insulation filling material, a flame-retardant sleeve, an inner sheath, an extrusion strip, a wire core body, a steel core strip and a second insulation filling material, the inner wall of the outer sheath is connected with the outer wall of the first insulation sleeve, and the second insulation sleeve is arranged on the inner wall of the first insulation sleeve. According to the invention, high-performance basic protection is provided through the insulated cable mechanism, adjustable enhancement and lightning protection functions are realized through the outer protection mechanism, wire clamp fixation, outer protection connection and grounding discharge are completed through the installation mechanism, and the lightning protection capability, the structural stability and the installation and maintenance convenience of the overhead insulated cable are remarkably improved through the synergistic effect of the three parts.

The utility model discloses a kind of lightweight flame-retardant broadband wave-absorbing structures in the technical field of wave-absorbing material, including composite material component, the composite material component includes flame-retardant wave-transparent layer and flame-retardant reflection layer, the flame-retardant wave-transparent layer is set to structure top layer, flame-retardant wave-transparent layer and flame-retardant reflection layer between be provided with flame-retardant absorption layer, each layer is connected using flame-retardant adhesive film between all adoption.The utility model is through using multilayer gradient impedance design, through the optimization combination of different functional materials, realize broadband high-efficiency electromagnetic wave absorption, the alternative arrangement of medium layer and resistance layer forms progressive impedance matching, so that electromagnetic wave repeatedly attenuates between multilayer interface, finally converts into heat energy dissipation, to keep stable low reflection characteristic in relatively wide frequency range, simultaneously, structure whole selects high oxygen index flame-retardant material, and reliable combination between layers is ensured by hot-pressing process, so that product has excellent fire safety.

The utility model relates to an automatic fire prevention system for a thermal forming line press, which comprises a hydraulic press, a flame recognition camera, a power supply circuit and a PLC (programmable logic controller), the flame recognition camera is arranged at an outlet of the hydraulic press and used for detecting images when a material part leaves the hydraulic press, and the hydraulic press comprises an oil pump motor. The power supply circuit supplies power to the oil pump motor, an emergency switch is arranged between the power supply circuit and the oil pump motor, the flame recognition camera outputs a detection signal indicating whether the material part is on fire or not to the PLC, and the PLC controls the emergency switch to be turned off according to the fire signal. According to the system, whether hydraulic oil leaks or not can be judged by directly recognizing whether a material part is burnt or not, once the flame recognition camera judges that the burning phenomenon exists, a disconnection instruction can be sent to the emergency switch through the PLC, an oil pump motor of the hydraulic press is shut down emergently, fire hazards are avoided, and the fire safety is improved.

The application provides a preparation method of a DOPO modified triazine-based covalent organic framework flame retardant and application thereof, and the preparation method of the flame retardant comprises the following steps: preparing a triazine-based covalent organic framework; and chemically modifying the triazine-based covalent organic framework with DOPO to obtain a DOPO modified triazine-based covalent organic framework flame retardant. The triazine-based covalent organic framework material is chemically modified on the surface by DOPO, and is used as an epoxy resin organic filler to be cured to obtain a green halogen-free environmentally-friendly flame-retardant epoxy resin. The epoxy resin does not cause environmental pollution during thermal cracking or combustion, and is conducive to environmental protection and sustainable development. The epoxy resin has excellent flame-retardant performance, greatly reduces the release of heat, smoke and harmful gases in the combustion process of the epoxy resin, and greatly enhances the fire safety of the epoxy resin.

The application discloses a gravity-assisted submerged water fire extinguishing system for battery replacement cabinet and a control method, and belongs to the technical field of fire safety of battery replacement cabinet, which comprises a battery replacement cabinet, a water storage tank, a battery compartment, a fire-fighting pipeline and an internal module, the water storage tank is installed on the top of the battery replacement cabinet and is higher than the battery compartment, a water outlet at the bottom is sequentially connected with a liquid level sensor one, a flow sensor and a water pump through the fire-fighting pipeline, the battery compartment is provided with a fire-fighting nozzle, a temperature sensor and a liquid level sensor two, and the top is provided with a water overflow outlet and / or a steam outlet, the internal module comprises a fire-fighting control panel and a central control panel, the fire-fighting control panel is electrically connected with each sensor and water pump and communicates with the central control panel, and the system control method comprises the steps of system initialization, nozzle self-explosion, signal detection, fire determination, pressure boosting water injection and water level control. The application adopts a water supply mode combining gravity self-flow and water pump pressure boosting, realizes rapid submerged fire extinguishing when the battery is out of control, reduces the false alarm rate and improves the fire-fighting reliability of the battery replacement cabinet.

The utility model relates to building decoration material technical field, concretely relates to a kind of aluminium veneer and STP vacuum panel composite heat preservation sound insulation radiation-proof fireproof decorative wallboard, it includes: all-aluminum decorative plate, the thickness of all-aluminum decorative plate is 1mm, and it is rectangular outer contour;STP vacuum heat insulation board, the STP vacuum heat insulation board is overlapped and arranged in the side of all-aluminum decorative plate;Radiation shielding layer, the radiation shielding layer is located between all-aluminum decorative plate and STP vacuum heat insulation board.The utility model is optimized structure design, solves the deficiency of existing indoor and outdoor decoration material in heat preservation, sound insulation, radiation protection, fire prevention and aesthetic aspect, while simplifying construction technology, improve construction efficiency.

The present application relates to a kind of steel structure non-welded building components, belong to a kind of steel structure building.The steel structure non-welded building components of the present application, including steel column and beam, beam is divided into horizontal beam and longitudinal beam, the horizontal beam and longitudinal beam are connected by lock piece, horizontal beam and longitudinal beam are connected using laminated buckle, the end of horizontal beam and longitudinal beam is connected using same layer buckle;Regular module hole is processed on the upper and lower wing plate and intermediate web of horizontal beam and longitudinal beam, and the hole distance, hole position and aperture of module hole are set according to certain specification rule, and the module hole is the common structure of horizontal beam and longitudinal beam and laminated buckle, lock piece and same layer buckle assembly;Column is in the lower support lock piece of lock piece or in the upper lock piece of lock piece and the support of lower column;Horizontal beam and longitudinal beam are H-shaped steel, and the specification module hole is opened in two wing plate and web.The building structure of the device can be repeatedly disassembled using pin screw fixation, and can be hoisted and assembled using non-welded mode.

This utility model discloses a snap-fit ​​type flexible cooling duct, relating to the field of electric locomotive technology. It includes a flexible duct body, a flexible duct frame, and an auxiliary locking assembly. The flexible duct body consists of a supporting frame and inner and outer flame-retardant fabric coverings. The flexible duct frame includes an inner flexible duct frame and an outer flexible duct frame. The auxiliary locking assembly is a screwless snap-fit ​​structure, including a locking assembly shell, guide slide, guide slide plate, snap plate with snap groove, buckle, and connecting rod with positioning components. This utility model replaces the traditional screw fixing method with a mechanical locking structure using flame-retardant fabric covering the inner and outer sides of the supporting frame and snap grooves and buckles. It has advantages such as stable connection, strong airtightness, and fire resistance, effectively extending the service life of the flexible duct and preventing damage to the motor from component detachment. Simultaneously, the auxiliary locking assembly enables quick assembly and disassembly, significantly improving maintenance efficiency.

The utility model relates to building material technical field, and disclose a novel metal surface insulation board, include: metal panel, thermal -insulation core material layer, strengthen framework and connecting component, metal panel is equipped with two together, and sets up respectively in the upper and lower two sides of thermal -insulation core material layer, the thermal -insulation core material layer fills between two metal panel, strengthen framework sets up in thermal -insulation core material layer inside, and thermal -insulation core material layer presents longitudinal and transverse staggered distribution, connecting component is used for connecting together with adjacent thermal -insulation board, and connecting component includes the outer frame body that will thermal -insulation board boundary be wrapped up. The novel metal surface insulation board, by adopting high -performance thermal -insulation core material layer, can effectively prevent the transmission of heat, reduce the energy consumption of building, improve indoor comfort degree, and set up strengthen framework, greatly improved the overall strength and deformation resistance of thermal -insulation board, make it not easy to damage in the transportation, installation and use process, prolongs the service life.

The present application provides a kind of integrated residual detection and ignition point prediction mineral oil transformer low carbonization intelligent reconstruction method and system, method includes: construction low carbonization refill process system, replace the mineral oil in transformer with natural ester insulating oil;The residual proportion of mineral oil in mixed insulating liquid sample is quantitatively detected, and the residual detection result is obtained;In the depth filling stage of low carbonization refill process, a predetermined proportion of nano additive is added to the natural ester insulating oil, and a performance optimization scheme is constructed;The residual detection result and the nano additive concentration in the performance optimization scheme are input into the pre-trained model, the predicted ignition point of the current mixed insulating liquid is calculated and output in real time, and safety warning is carried out based on the predicted ignition point.The technical scheme of the present application not only directly solves the single bottleneck of performance optimization, but also indirectly strengthens the effect of residual control and safety monitoring, to ensure the high reliable operation of the transformer after reconstruction under the premise of low carbon emission.

The application provides an AI-driven building demolition strategy generation method, device, equipment and storage medium, the application obtains building basic data of a target block; a building fire risk layer is generated by performing fire risk assessment; an initial population composed of multiple demolition strategies is randomly generated based on constraint conditions; the population is input into a fire simulation system, fire rescue simulation and personnel evacuation simulation are respectively performed based on the fire risk layer, and rescue and evacuation efficiency indexes of each strategy are calculated; the indexes are used as quantitative values of optimization targets, a multi-objective evolutionary algorithm is used for iterative optimization of the population, and an optimal solution set considering rescue efficiency and evacuation efficiency is generated. The application deeply integrates multi-objective optimization and multi-agent simulation, realizes intelligent decision-making of significantly improving block fire safety with the least demolition amount on the premise of protecting historical buildings, and provides scientific and systematic technical support for protection and updating of historical and cultural blocks.