1540 results about "Fire safety" patented technology

An apparatus includes an aerial platform which is remotely controlled by an operator using a controller. The apparatus is used to service a detector of a fire safety system. The apparatus includes a frame having a gas canister and a gas delivery cup attached thereto, and a drone attached to the frame which is capable of flying the frame under remote control by the operator. A gripping mechanism for gripping a portion of a detector is provided for servicing the detector.

The invention relates to a fire-fighting robot for a transformer substation. The fire-fighting robot comprises a routing-inspection robot, a gas detection device, an infrared temperature measurement device, a fire extinguishing device and a main control computer, wherein the routing-inspection robot is arranged in the transformer substation, a routing-inspection route is painted at the ground of a working space of the routing-inspection robot, and a plurality of radio frequency cards for positioning are mounted at ground key points. The fire-fighting robot has the beneficial effects that the automatic routing inspection can be carried out based on routing-inspection route marks and a navigation device; the gas detection device is utilized for monitoring the characteristic gas concentration of an early-stage fire disaster in a production place of the transformer substation in real time and pre-warning the concentration overrun condition in a grading manner; the infrared temperature measurement device is utilized for collecting infrared temperature images of production devices, and pre-warning over-temperature conditions of the devices in a grading manner and positioning fault points; the fire extinguishing device is utilized for rapidly extinguishing the sudden fire, controlling the fire propagation in an initial stage and earning time for the rescue operation. Therefore, the precaution and the fighting of the early-stage fire disaster are strengthened, and the fire safety situation of the transformer substation is effectively improved.

A framework for centrally controlling a plurality of building automation systems. The architecture and method automates a plurality of existing and new building automation systems comprising access control, HVAC, fire safety etc. in such a way that the plurality of building automation systems can be monitored and controlled from a central dashboard. The central dashboard effectively monitors, takes right decisions and remotely controls the buildings across the globe from a centralized location.

The invention discloses a core-shell type ammonium polyphosphate synergetic flame-retardant polyurethane elastic composite material and a preparation method thereof, which is characterized in that the polyurethane elastic composite material containing core-shell type ammonium polyphosphate can be obtained by melting and co-mixing 75-94.9% of polyurethane, 5-25% of core-shell type ammonium polyphosphate and 0.1-5% of synergistic agent at the temperature of 160-220 DEG C for 5-30 minutes by weight percentage. The composite material can ensure that the adding amount of flame retardant is reduced while ensuring the flame retardance effect, and the composite material has good resistance of melt drip, simultaneously improves the shortcoming of poor water resistance of the flame-retardant composite material containing the ammonium polyphosphate, enhances the compatibility of the flame retardant and a polyurethane elastomer and improves the mechanical properties of the material, such as tensile strength, fracture strength and flame retardance performance, thereby meeting the requirements of fire protection safety and engineering applications.

Disclosed herein is a flame retardant thermoplastic resin composition that has superior scratch resistance and mechanical properties, satisfying requirements for the appearance of housing materials resulting from a recent increase in volume of electrical and electronic products, and that contains a phosphorus-based flame-retarding agent, satisfying requirements for fire safety and prevention of environmental problems. The resin composition with scratch resistance comprises a base resin comprising (A) about 30 to about 90 parts by weight of a polycarbonate resin, (B) about 15 to about 50 parts by weight of a polymethylmethacrylate resin and (C) about 5 to about 50 parts by weight of a polyethylene terephthalate-based resin, and (D) about 5 to about 30 parts by weight of a phosphorus-based flame-retarding agent based on 100 parts by weight of the base resin. The composition may further comprise about 1 to about 30 parts by weight of an impact modifier based on 100 parts by weight of the base resin.

The invention relates to an environmental protection based red mud combination modification synergism fire-retardant polyethylene, and belongs to the technical field of compressive utilization and fire-retardant plastics. The fire-retardant polyethylene is suitable for fire safety protection in important public places in the fields of electric products, building materials and transportation. The fire-retardant polyethylene consists of the following components in percentage by weight: 30 to 35 percent of polyethylene, 34 to 39 percent of red mud, 6 to 13 percent of red phosphorus, 5 to 17 percent of zinc borate, 3 to 8 percent of ethylene-vinyl acetate copolymer, 2 to 7 percent of grafted polyethylene, and 2 to 8 percent of silicone oil. The preparation process comprises the following steps of: grinding and drying the red mud; blending the ground red mud with other raw materials according to the blending ratio; mixing the mixture with polyethylene resin by fully stirring at a high speed; fusing, co-mixing and processing the mixture; and preparing a sample. The processing conditions comprise that: the roll temperature of a double-roller mixing mill is between 140 and 150 DEG C; and the forming temperature of the flat vulcanizing machine sample is between 120 and 130 DEG C, the heating time is between 4 and 8 minutes, and the pressure is between 10 and 20MPa. The fire-retardant system meets the requirements of industrial application on mechanical property, and simultaneously has comprehensive properties such as good fire-retardant effect, low cost, environmental protection and the like; moreover, the application field of the red mud is widened, and the red mud product with high added value is prepared.

The invention provides a multifunctional and highly integrated fire safety precaution emergency system device, which is characterized by adopting a modular design and comprising a central monitoring unit (A), a communication unit (B), a node monitoring unit (C), a terminal detection unit (D) and an energy conservation unit (E), wherein inside the units and among the units, smog sensors (D1), flame sensors (D2), infrared sensors (D3) and the like are combined with a control processor, so as to form different multifunctional and integrated module and node devices (4-1 to 4-n), which can operate in a separate or combined manner through various software, and a monitoring interface module (2) is designed, as a result, the system device has the application effects of multiple functions, high integration, immediate detection and proceduring monitoring for fire safety precaution and alarm as well as emergency treatment.

The invention provides a testing device for the combustion rate of combustibles in a plateau artificial oxygen-enriched environment, belonging to a field of fire safety. The testing device consists of the following seven parts: a combustion chamber, a positioning mechanism, an air distribution system, an airflow-circulation and concentration-monitoring system, a vacuum-pumping system, an ignition system and a data acquisition system. A sample is arranged on a sample support by a sample clamper, and then vacuum-pumping is carried out to a sealed chamber by the vacuum-pumping system; each single high-purity gases are mixed in the sealed chamber after passing through a mass flowmeter and a flow regulating valve; the total pressure of the gases is displayed by a high-precision vacuum manometer; when the requirements of the total pressure of the gases and gas compositions are met, a micro-air pump is started to mix the airflow in the sealed chamber; a laser light source is started to ignite the sample after the concentration of the gas compositions is steady; the sample combustion flame passes through two thermocouples sequentially; temperature change curves of the thermocouples are obtained by A/D conversion and the data acquisition system; and the time between two maximum temperature points of the curves corresponding to the two thermocouples is taken as the combustion time of the sample between the thermocouples with fixed distance, thus obtaining the combustion rate of the sample under the total pressure of the gases and the concentration of the gas compositions. The testing device has stable and reliable testing performance, and is simple and convenient.

The invention discloses a building fire safety evaluation method and system based on a fuzzy comprehensive evaluation model. The method comprises: employing building fire safety as an evaluation target to establish a hierarchic evaluation index system; according to the evaluation index system, employing a five-section partitioned computing method to perform quantitative analysis on evaluation indexes, and determining evaluation index values; grading building fire risk evaluation results, determining a safety evaluation grade set, and determining a corresponding factor set according to evaluation index influence factors; employing a hierarchic analytical method to determine the weight of each factor in the factor set; according to the weight of each factor, employing a multi-factor fuzzy comprehensive evaluation model to perform fuzzy comprehensive evaluation, and obtaining a building comprehensive fire risk belonging grade to safety evaluation grades; and employing a grade parameter evaluation method to obtain a final grade of building fire safety. The building fire safety evaluation method and system have the advantages of accuracy and comprehensiveness, and can be widely applied to the fire safety evaluation field.

The invention discloses a robot cable gallery field fire early warning and fire extinguishment method, device and system. The method comprises the steps that whether to receive a warning signal or notis judged; if not receiving the warning signal, a fire protection inspection robot conducts automatic inspection, receives tunnel internal environment information and crucial location temperature information, compares the tunnel internal environment information and the crucial location temperature information with set fire threshold values and generates a fire signal or conducts field fire risk assessment; if receiving the warning signal or generating the fire signal during automatic inspection, the robot conducts fire pre-identification according to the risk analysis and assessment result, optimizes fire pre-identification at the early smoldering stage, rapidly positions the location of a pre-identified fire source, determines the authenticity, performs the fire extinguishment task and then safely evacuates after completing the task. Through the robot cable gallery field fire early warning and fire extinguishment method, device and system, the capabilities of conducting fire safety pre-warning and fire warning, rapidly searching for the fire source and extinguishing the fire for a cable gallery (tunnel) are greatly improved.

The invention relates to fire simulation experiment equipment for caverns in hydraulic and hydro-power engineering. The equipment comprises a cavern simulation system, a fire source system, a ventilation and smoke discharge system, a detecting and warning system and a measurement, collection and data analysis system, wherein the cavern simulation system is used for simulating a three-dimensional restricted space of fire generation; the fire source system is used for simulating different fire scenes and can be arranged at any position in the constituent parts of the cavern simulation system; the ventilation and smoke discharge system is used for simulating ventilation and smoke discharge in the cavern; and the detecting and warning system is used for detecting, identifying and warning on the fire inside the cavern simulation system; and the measurement, collection and data analysis system is used for measuring, collecting and processing data, comparing and analyzing experimental data and forecasting and estimating an accident. The equipment and the method of the invention can be used for carrying out experimental study on generation and development mechanism, ventilation, smoke discharge, control and prevention of the cavern fire in the hydraulic and hydro-power engineering, and providing reasonable and correct scientific proofs for engineering design and operation of underground caverns construction and fire safety of construction.

The invention relates to an ultrathin water-based epoxy resin expandable fireproof paint and a preparation method thereof, belonging to the technical field of plating metal materials. The fireproof paint comprises water, aqueous epoxy emulsion, a solidification agent, ammonium polyphosphate, a charring foaming agent, a charring accelerant, nano fillers, inorganic fireproof fillers, a dispersing agent, a defoaming agent and a thickening agent. A ball milling machine is adopted for preparing a double-component paint; component A is prepared by two steps of: (1) dispersing the ammonium polyphosphate, the charring foaming agent, the charring accelerant, the nano fillers and the inorganic fireproof fillers in the water by the dispersing agent, with the milling time of 1 to 2 hours; and (2) adding the solidification agent and the defoaming agent for continuously milling for 0.5 to 1 hour; and component B is prepared by one step of: milling the aqueous epoxy emulsion, the thickening agent and the defoaming agent for 0.5 to 1 hour. When the coating thickness of the fireproof paint is smaller than or equal to 1mm, the fireproof time is larger than 90 minutes, the maximum smoke density is smaller than 50, and the adhesion force is larger than or equal to 12MPa. The invention has the advantages of simple preparation process, environmental protection and excellent performance, and can be used for the fire safety protection of the inner parts of large steel structures of buildings, ships, oil storage tanks and the like.

The invention discloses a nano composite expansion flame retardant polyurethane foamed plastic and a preparation method thereof. The nano composite expansion flame retardant polyurethane foamed plastic is characterized in that the preparation method comprises the following steps: evenly mixing 40 to 80 percent of polyol, 0.1 to 3 percent of foaming agent, 0.1 to 2 percent of foam stabilizer, 0.1 to 2 percent of catalyst, 0.5 to 4 percent of expandable graphite, 0.5 to 9 percent of halogen free phosphate ester or phosphonate ester and 0.5 to 5.5 percent of organic modified nano inorganic filler by weight percentage; and then mixing the mixture evenly with two or more isocyanate polyisocyanate compounds in the weight ratio of 1:2-2:1, and injecting the mixture into a die at 5 to 40 DEG C for foaming. The obtained nano composite expansion flame retardant polyurethane foamed plastic product effectively reduces the heat release rate and the total heat release amount of the material, improves the oxygen index and the vertical firing flame retardant property of the material, reduces the effect of an expansion type flame retardant on reducing the mechanical properties of the material, and meets the requirements of fire safety and project application.

A bow shaped, sheet-thin, carbon fiber spring that utilizes the material's special characteristics is disclosed. Carbon fiber filaments are laid along the bow curvature. Cushions made of carbon fiber composite springs provide performance improvements in better shock absorption, lighter weight, better fire safety, and longer life without performance degradation. Example embodiments are shoes, helmets, and seats.

The invention discloses a forest fire early warning method and system based on a fuzzy Bayesian network and belongs to the fire-fighting safety field. The method comprises the following steps that anunmanned aerial vehicle is equipped with a plurality of sensors to inspect a forest along a set route, senses data of a driving area in real time and sends the data to a ground station; the ground station combines the number of local sunny days and the number of flammable plants to carry out stage treatment on flammable grades, and carries out early judgment of fire warning according to temperature, humidity, smoke and gas information; the ground station receives the data of each sensor, then uses a fuzzy Bayesian network to process the sensor data, and calculates and acquires a fire occurrence probability; when the probability of the fire is high, the ground station sends a fire warning signal, whether there is the fire, a real-time situation of the fire and location information to a forest management center; and when the probability of the fire is low, the unmanned aerial vehicle flies at the same height along the set route. In the invention, a fuzzy Bayesian network algorithm is used to process the sensor data, the fire probability can be accurately calculated so that correlation personnel can accurately acquire a fire condition at first time.

The invention provides a fire control safety management information system based on a grid management mode. The fire control safety management information system relies on cloud computing, mobile Internet and geographic information technologies, and constructs a grid, hierarchical and modular fire control safety information platform and a grid inspection mode. The overall architecture is divided into five layers which are a cloud platform layer, a database layer, a provincial management platform, a prefectural and municipal operation platform and a user application layer. A private network is constructed through technologies such as an Internet special line, a VPN and an APN so as to realize safe transmission of data. Application software of various access systems is provided in allusion to different users, wherein the application software mainly comprise a mobile client and a background computer client, the user type is recognized according to different login accounts, and corresponding authorities are set. According to the system provided by the invention, the grid is divided according to geographic areas, a method for realizing grid management by adopting a tree-form collaborative management mode is implemented, the job responsibility and the content of each grid are clearly defined, and the responsibility is implemented by people by virtue of taking mobile internet technologies as a tail end hand grab, thereby mobilizing the power of each level, effectively eliminating potential safety hazards, and improving the fire control management level.

The invention discloses an electrical fire disaster online monitoring system based on a cloud platform. The system includes an online electricity usage data comprehensive analysis module, an offline routing inspection safety data digital processing module, a user safety state portrait module and a big data electricity usage safety comprehensive analysis module. The system belongs to the technicalfields such as internet-of-things transmission, internet application, big data cloud platforms and the smart city; on the basis of an internet-of-things cloud technology, electricity usage safety dataof users can be ceaselessly detected, an abnormal state of a user electrical system is automatically caught, and under combination with the safety condition of offline routing inspection equipment, digital conversion and intelligent comprehensive analysis, prediction and prewarning of potential electrical fire disaster hazards, initiative interference on foreboding of electrical fire disasters and green energy efficiency analysis for the users can be achieved; meanwhile, by means of the big data processing capability of the platform, macro energy efficiency and safety data can be provided ina targeted way, an information support is provided for related functional departments in the government to carry out related work, the work efficiency is substantially improved, the fire safety and social stability are effectively ensured, and the economic development is facilitated.

The invention discloses a water-based acrylic modified saturated polyester, a method for preparing the same and water-based baking aluminum powder paint. Water-based acrylic resin, a water-based saturated polyester resin composition, epoxy resin and amino resin used as film forming materials and unctuous aluminum powder as a coloring material are prepared and are applied to a water-based system, so that the production cost is significantly reduced. The water-based acrylic modified saturated polyester uses water as a diluent so that the water-based acrylic modified saturated polyester is nonpoisonous, tasteless, pollution-free, non-waste, non-flammable and non-explosive, and the VOC content is smaller than 50 to ensure the environmental protection and fire safety and guarantee the health of workers; besides, the formed paint film has the advantages of high hardness, scratch resistance, strong adhesive force, salt mist resistance, salt water resistance, acid and alkali resistance, water resistance, oil resistance, ultraviolet light resistance, aging resistance, low temperature resistance, damp heat resistance and sweat resistance, can be repeatedly used on the surface of a (water-based, oil-based) old paint film, cannot cause paint film damage, has ultra-strong paint film flexibility and the like.

An apparatus for displaying event information from a building system includes a display device coupled to a processing circuit. The processing circuit is operable to cause the display to display information regarding a building system in a first portion of the display, the information being selectable and changeable by a user. The processing circuit is further operable to cause the display to display, independent of the displayed information in the first portion, an alarm graphic element in a second portion of the display, the alarm graphic element including building system event information.

The invention relates to a novel multi-purpose fireproof composite heat-insulation plate comprising a fireproof composite heat-insulation plate body, a fastener and a heat storage substrate plate or a surface-layer veneer plate, wherein the fireproof composite heat-insulation plate body sequentially is formed by sequentially compounding a protective layer, a composite heat-insulation plate or a heat-insulation plate and a fireproof antiflaming reflecting layer or a reflecting layer from bottom to top; an underfloor heating pipe groove is arranged at the upper end of the composite heat-insulation plate or the heat-insulation plate; and the heat storage substrate plate or the surface-layer veneer plate and a supporting base in the composite heat-insulation plate are anchored on the fireproof composite heat-insulation plate body and an underfloor heating pipeline by using the fastener and a bolt or using the bolt directly. The novel multi-purpose fireproof composite heat-insulation plate is suitable for dry-type or wet-method low-temperature radiation heating of floors of various structural forms including steel structures and the like and inner and outer walls and roof heat insulation, improves the fireproof property of the composite heat-insulation plate, ensures that the composite heat-insulation plate can meet the new fireproof requirement and ensures the fire safety of building heat-insulation materials, and has the advantages of simplicity and convenience for installation, lower cost, economy and practicability, broad application and better decoration effect.