795 results about "Automatic fire suppression" patented technology

The invention relates to a monocular vision technique based fire monitor control method for adjusting relative positions of a fire point and a water-drop point, which belongs to the technical field of fire monitoring and self-extinguishing. By using a method for controlling a pitching angle and a horizontal angle for a plurality of times respectively in sequence, the fire monitor control method solves the problem of adjusting the relative positions of the fire point and the water-drop point in a three-dimensional space by using a two-dimensional image so that the water-drop point of the fire monitor can track the changes of the position of the fire point in real time so as to provide a condition for the self-extinguishing in a large space.

An automatic fire extinguishing system includes a canister having a central axis, an outlet port disposed on the canister, a dip tube disposed in the canister about the central axis and in partial fluid communication with the canister and coupled to the outlet port, a propellant gas mixture disposed within the canister, a gaseous fire suppression agent disposed in the canister and a dry powder fire suppression agent disposed in the canister.

The invention belongs to the technical field of big data, particularly relates to a full-automatic dry powder fire extinguishing device for a big data center machine room and aims at achieving the technical purpose of providing the full-automatic dry powder fire extinguishing device for the big data center machine room. By means of the full-automatic dry powder fire extinguishing device for the big data center machine room, automatic fire extinguishing can be achieved when the fire disaster happens, manual fire ground operation is not needed, the safety of fire extinguishing personnel can be guaranteed, and the fire extinguishing work is not influenced under the situation that the fire disaster field is in power failure. To achieve the above technical purpose, the full-automatic dry powder fire extinguishing device for the big data center machine room is provided. According to the provided full-automatic dry powder fire extinguishing device for the big data center machine room, automatic fire extinguishing can be achieved when the fire disaster happens to the big data center machine room, and manual fire ground operation is not needed.

The invention discloses a self-extinguishing fire monitor and a method for fire disaster detection and location, belonging to the technical field of fire fighting equipment and aiming to provide a fire monitor capable of automatically determining ignition positions and extinguishing fire when a fire disaster occurs. A thermopile sensor is adopted as a fire disaster locating sensor. The fire disaster locating sensor scans a protected area in an all-round way under the triggering of a fire disaster alarm signal, a CPU (Central Processing Unit) collects the temperature of a scanning spot and records a horizontal rotating angle and a pitching rotating angle of the fire disaster locating sensor corresponding to a data collection point to obtain the temperature distribution condition of the protected area, the CPU analyzes temperature field data on the basis of a known normal temperature distribution fluctuation curve and judges the area with abnormally higher temperature, and then the fire disaster locating sensor carries out pitching scanning at the horizontal rotating angle corresponding to the area with abnormally higher temperature and determines the maximum ignition position. The invention is suitable for fire disaster locating and extinguishing of occasions where the surface temperature of objects is raised when the fire disaster occurs.

The invention provides a comprehensive fire fighting system of large-size oil-containing equipment of a transformer substation. The comprehensive fire fighting system comprises a main controller, an oil discharging and nitrogen filling device, a dry powder fire fighting device and the oil-containing equipment of the transformer substation, wherein input and output ends of the main controller are connected with the oil discharging and nitrogen filling device and the dry powder fire fighting device respectively; the oil discharging and nitrogen filling device is used for monitoring and collecting state parameters of a transformer in real time, transmitting the state parameters to the main controller, and receiving a corresponding control signal of the main controller; and the dry powder fire fighting device is used for monitoring and collecting state parameters of the oil-containing equipment of the transformer substation in real time, transmitting the state parameters to the main controller, and receiving a corresponding control signal of the main controller. According to the comprehensive fire fighting system, an oil discharging and nitrogen filling technology is combined with a dry powder fire fighting technology; after the working condition of the large-size oil-containing equipment of the transformer substation is comprehensively considered, the automatic control is carried out and a redundancy control signal is added so that the false action and the malfunction are prevented to the greatest extent; fire fighting monitoring and automatic fire fighting functions of the large-size oil-containing equipment of the transformer substation with the power of 500kV and above are improved, so that the effects of effectively preventing and putting out fire are realized.

The invention provides an automatic fire extinguishing alarm and fire fighting integrated control system. A fire detection alarm system, a firefighting integrated control system, a firefighting emergency broadcast, a firefighting intercom telephone, a fire early warning system, an intelligent large-space automatic fire extinguishing robot and an intelligent fire-fighting emergency evacuation lighting indicator lamp are connected through lines. The system automatically captures a fire in the early stage of a fire in a fire monitoring area and automatically gives an alarm. Smoke or hot air can be captured, sound and light alarm signals can be emitted, and an output connection point of other equipment can be linked; a fire extinguishing system, an accident broadcast system, an accident lighting system, a firefighting water supply system, a fire area isolation system and a smoke exhaust system can be controlled in a linkage mode, meanwhile, the mobile robot with the fire extinguishing device can be controlled to extinguish fire for a monitoring point, and automation of fire detection, alarm and automatic fire extinguishing is achieved.

An automatic fire-suppression system that upon a predetermined fire condition is capable of detecting said fire condition and automatically dispensing and dispersing fire suppressant material over the abnormal fire.

The system is independent of the appliance and does not require any external energy to operate. Furthermore the fire suppression system is capable of disconnecting an external gas or electricity supply line upon a fire condition.

The invention provides an intermittent high-rise building external wall automatic fire extinguishing system. The intermittent high-rise building external wall automatic fire extinguishing system comprises a plurality of fire detection devices, a control device, a plurality of fire extinguishing devices and a water supply device. The fire detection devices are distributed on the external wall of a building to form a fire detection network for detecting a fire situation at the outer wall of the intermittent high-rise building and transmitting the obtained information to the control device; the control device is used for acquiring a fire locus position of the intermittent high-rise building external wall according to the fire information of the fire detection devices and automatically controlling the water storage operation of the water supply device and the fire extinguishing operation of the fire extinguishing devices according to the preset procedure; the fire extinguishing devices located on the external wall of the building; each fire extinguishing device comprises a water curtain firefighting spray nozzle and a rain firefighting spray nozzle connected with a firefighting pipe in a controlling mode; the water supply device is connected with each fire extinguishing device through the fire pipe in a controlling mode to supply the water to the fire extinguishing device; the opening and closing of the firefighting pipe are controlled through the control device. According to the intermittent high-rise building external wall automatic fire extinguishing system, the role of effective fire retardance, cooling, isolation and fire fighting is achieved under the situation that the external wall of the building is on fire caused by the fire of some areas of the high-rise building or the external wall of the building is directly on fire, the spread of fire is avoided and the losses are reduced.

The invention relates to a self-extinguishing rescuing intelligent system based on fire-fighting early warning, which comprises a central management platform, a distributing and storing platform, a mobile phone and a wireless monitor, a monitor point and a monitor center, a database service platform and the distributing and storing platform, wherein the mobile phone and the wireless monitor are mutually connected and the monitor point and the monitor center are mutually connected respectively by a public network or private network. The system has the advantages that the networked self-extinguishing rescuing for fire-fighting, the informationized management, and the modernized, scientific and digitalized city fire-fighting monitoring management are realized; the whole preventing and treating capability for local fire-fighting is increased and the function of preventing first is performed so as to eliminate fire hazard in budding stage; the hidden danger rate and incidence rate of fire hazard are reduced; the level of modernized monitoring conduction equipment of public security fire-fighting headquarter is promoted; the purpose of scientifically enhancing warning function is realized; the conduction and fighting capabilities of troops are increased; the electronic and informationized development of each work of the public security fire-fighting headquarter is boosted; and the working efficiency is increased.

The invention discloses an intelligent fire fighting monitoring system for a dangerous chemical production field. The intelligent fire fighting monitoring system for the dangerous chemical production field comprises a control room and a smoke and fire alarm, a gas detector, a network monitoring camera and an intelligent fire monitor which are arranged in the dangerous chemical production field. The control room is internally provided with a plurality of controllers. The smoke and fire alarm, the gas detector, the network monitoring camera and the intelligent fire monitor are respectively connected with the controllers in the control room through CAN (Controller Area Network) buses. Aiming at the characteristics of field condition of the dangerous chemical production field, the intelligent fire fighting monitoring system for the dangerous chemical production field provided by the invention combines fire alarm, field gas environmental analysis and automatic fire extinguishment through combination and application of the smoke and fire alarm, the gas detector and the intelligent fire monitor. A remote conference room is arranged to support fire monitor and safe rescue.

The invention provides a movable automatic fire extinguishing robot. The movable automatic fire extinguishing robot is characterized in that a vertical rod is fixed on a supporting platform, and a pressure clamp for pressing a fire extinguisher handle is arranged at the top end of the vertical rod; a traction rope with tail end fixed with the safety pin and the limiting pin of a fire extinguisher is wound on the output shaft of a fire extinguisher control motor; a turntable motor for driving a turntable to rotate is arranged on the supporting platform, and an infrared temperature sensor is fixed on the turntable. The fire extinguishing method of the movable automatic fire extinguishing robot comprises the following steps: (a) detecting the ambient temperature; (b). judging the fire danger; (c). obtaining the fire direction; (d). calculating the rotation angle of a left wheel motor; (e) rotating to the fire direction; and (f). extinguishing the fire. The automatic fire extinguishing robot and the fire extinguishing method thereof have the functions of automatically detecting the specific fire direction, automatically moving to the fire site and automatically extinguishing the fire, the structure is simple and reasonable, the preparation cost is low, the beneficial effects are remarkable and the automatic fire extinguishing robot and the fire extinguishing method thereof are easy to popularize and apply.

The invention discloses an automatic fire extinguishing system of Nios II-based video image identification, comprising a camera, an image collector, an Nios II-based video image processor, a controller based on embedded ARM and an electrically controlled fire water monitor; the invention is characterized in that: the camera is connected with the image collector which is connected to a corresponding external function pin of the Nios II-based video image processor, the corresponding function pin of the Nios II-based video image processor is connected with a corresponding function pin of the controller based on embedded ARM and the corresponding external function pin of the controller based on embedded ARM is connected with the electrically controlled fire water monitor; the controller based on embedded ARM receives the fire condition position signal and the impingement position signal of the water column, the difference of the fire condition position and the impingement position of the water column is calculated, the movement of driving the electrically controlled fire water monitor is controlled, thus causing the impingement position of the water column and the fire condition position to be overlapped, and achieving the aim of fast and precise fire extinguishing.

The invention relates to an automatic fire-extinguishing device using superfine dry powder. A pressure tank is provided with an obconical bottom, a supporting base is mounted on the obconical bottom of the pressure tank, the pressure tank is filled with a superfine dry powder extinguishing agent and expellant gas, a bottle head valve is provided with a ball valve and a polymer hose which is connected with an outlet of the ball valve and is used for filling the expellant gas, the tail end of the polymer hose is provided an gas-filling one-way valve and a gas-pressure meter connected with an outlet of the gas-filling one-way valve, the bottle head valve is provided with a gas-filling connector, a gas-pressure meter connector, a gas-pressure meter, a detection connector and a pressure sensor, and an electrical signal input by the pressure sensor is connected with an alarm display. By adopting the polymer hose, the superfine dry powder extinguishing agent with a high extinguishing function can be directly transported and ejected to a fire occurrence at early stage, the detection, extinguishing and fighting effects of a fire and in particular to a fire at early stage are obviously enhanced, the comprehensive, all-weather fire detection and extinguishing protection on key dangerous sources or key dangerous areas in closed and half-closed spaces can be achieved, and the problem of influencing the extinguish effect due to overlarge ejecting surplus ration of the superfine dry powder extinguishing agent can be solved by the designs of the pressure tank with the obconical bottom and a siphon way.

The invention provides a ship accumulator cabin ventilation and automatic extinguishing method based on fuzzy control. The method comprises the steps that the environment temperature and the smoke density of a ship accumulator cabin are collected; a fuzzy control model is established; a collected signal is used as the input quantity of the fuzzy control model, and the input quantity is fuzzified according to a preset fuzzy set; the fuzzy control quantity is obtained through fuzzy reasoning according to a preset control rule list; the fuzzy control quantity is multiplied by a proportionality coefficient after being defuzzified to obtain the control quantity; the control quantity is output to an alarm device, an extinguishing device and a ventilation system; and whether the alarm device, the extinguishing device and the ventilation system are started or not is selected according to the control quantity. By adoption of the ship accumulator cabin ventilation and automatic extinguishing method, cabin ventilation and early warning can be achieved, it is ensured that a fire is prevented before occurring, or a fire is automatically extinguished after occurring, the fire behavior is weakened maximally, personnel are evacuated in advance, and casualties and property loss are reduced.

The invention discloses an electrical cabinet with an automatic fire extinguishing function and a using method. The invention belongs to the technical field of electrical cabinets, the invention discloses an electrical cabinet with an automatic fire extinguishing function. The cabinet comprises a cabinet body, a cabinet door is arranged on the outer wall of one side of the front of the cabinet body; a device box is fixedly mounted at the top of the cabinet body; the outer walls of the two sides of the cabinet body are respectively provided with two heat dissipation holes. A heat sensing bottleis fixedly installed on the outer wall of the top of the cabinet body; a sealing plate is fixedly installed on the inner wall of the heat sensing bottle; a connecting air pipe is fixedly installed inthe middle of the sealing plate; an adjusting box is fixedly installed in the device box; an air bag is fixedly installed in the adjusting box; one end of the connecting air pipe communicates with the heat sensing bottle, and the other end communicates with the air bag. The fire extinguishing function can be automatically triggered and a dry powder extinguishing agent can be sprayed when the electrical cabinet is on fire without supporting of external energy sources such as electric power, meanwhile, external air entering is reduced, fire is quickly extinguished, and the fire extinguishing device is safe, stable, high in reliability and high in fire extinguishing efficiency.

The invention discloses an automatic forest fire extinguishing method, and relates to the technical field of forest fire fighting. The method solves the technical problems that a fire head is difficult to extinguish and the safety of firefighters is prone to be threatened by using an existing fire extinguishing method. According to the method, a forest fire is monitored in real time and fed back to a command center in real time, the command center dispatches an unmanned aerial vehicle group to leave for extinguishing the fire, the fire head of a fire scene is extinguished at the first time after the unmanned aerial vehicle group arrives at the fire scene, and then the command center increases the dispatch of fire-extinguishing rescue according to the condition of the fire scene. The invention further discloses an automatic forest fire extinguishing device, automatic forest fire extinguishing equipment and a storage medium. According to the automatic forest fire extinguishing method, device and equipment as well as the storage medium, the forest fire can be effectively extinguished in time and extinguished the fire in the bud, life threats caused by the fact that the firefighters participate in the fire scene to extinguish the fire are avoided, the fire extinguishing safety is guaranteed, and the fire extinguishing efficiency is improved.

The automatic fire extinguishing system is installed in one or more rooms of a building structure or the like. A track is installed along the inner perimeter of the wall of the room(s), near the ceiling. A mobile fire extinguishing module travels along the track. The fire extinguishing module includes a supply of fire extinguishing agent, a directionally controllable dispensing nozzle, a drive motor for at least one wheel, and a receiver and controller. A number of smoke and/or fire detectors is installed in the room, with the detectors communicating wirelessly with the receiver and controller of the module. A signal received by the module from an activated detector results in the module traveling to the location nearest the activated detector, whereupon a valve is opened to dispense the fire extinguishing agent. A secondary module may be provided, with the primary module automatically connecting to the secondary module when required.

The invention discloses an intelligent comprehensive fire protection system for a public transport vehicle. The intelligent comprehensive fire protection system for the public transport vehicle comprises a public transport vehicle alarm linkage controller, an automatic fire detector, a manual startup switch, an automatic window breaker, a door opening controller, an automatic fire extinguishing device, a remote communication device and an acousto-optic alarm device; the intelligent comprehensive fire protection system is mounted inside the public transport vehicle and is in charge of monitoring a fire safety situation in the public transport vehicle; when the intelligent comprehensive fire protection system automatically detects or manually finds fire in the vehicle, the intelligent comprehensive fire protection system can automatically or manually start the automatic fire extinguishing device, the automatic window breaker, the door opening controller, the acousto-optic alarm device and the remote communication device which are mounted inside the vehicle through the public transport vehicle alarm linkage controller, so that the automatic fire extinguishing device can quickly extinguish the fire after the fire happens in the public transport vehicle, and the fact that doors and emergency escape window of the vehicle are unobstructed and can help people evacuation is ensured; the intelligent comprehensive fire protection system can send a distress signal to a command center through the remote communication device, so that the vehicle can be quickly and timely rescued.

The invention discloses a temperature and smoke joint control fire extinguishing circuit for a bus power battery cabin. The circuit comprises an on-board 24-V power supply, a fire early-warning controller, an automatic fire extinguisher, a temperature detector, a smoke detector, a starting relay, a manual starting button, an audible and visual alarm, a fire extinguisher status indicator lamp and a remote monitoring terminal. The on-board 24-V power supply, the automatic fire extinguisher, the temperature detector, the smoke detector, the starting relay and the remote monitoring terminal are connected with the fire early-warning controller through a circuit. The remote monitoring terminal transmits information to the remote monitoring platform through a GRPS, and records and stores the information. The temperature and smoke joint control fire extinguishing circuit for the bus power battery cabin is used for carrying out early warning, prevention and fire extinguishing in advance when the temperature of a power battery is increased sharply and a large amount of smoke is produced before open fire occurs, and more escape time is won for passengers.

The invention provides a charger ignition detecting and fire extinguishing system, which comprises a controller, an automatic fire extinguishing system, an ignition parameter detection device for detecting charger ignition parameters, and a monitoring terminal capable of exchanging information with the controller and controlling the controller to act, wherein the controller is correspondingly and electrically connected with a charger main switch and the ignition parameter detection device; a threshold value is preset in the monitoring terminal; when an ignition parameter numerical value exceeds the threshold value, the automatic fire extinguishing system starts. Through the charger ignition detecting and fire extinguishing system provided by the invention, the problems that in the prior art, an ignition detecting and fire extinguishing system cannot carry out effectively treatment when a charger is ignited, and has poor controllability can be solved.

A self-contained automatic fire extinguishing device that is located within a wall or ceiling and housed within the space between two studs or joists. This unit includes a tank or series of tanks attached via flexible pressurized joints, and held in place by an expanding bracket. This fire extinguisher maintains a constantly high pressure inside a shell of the fire extinguisher through out a shelf-life of the fire extinguisher and which can indicate the charge status of the tank via a visible indicator. A sensor is attached to the unit, which reacts to prolonged exposure to direct heat and which can extend a nozzle beyond the wall or ceiling into the living space when actuated. The self-contained automatic fire extinguishing device is hidden behind a decorative face plate which permits the passage of the sensing device and a tank fill status indicator and which actuates out of the path of the nozzle upon activation. Prior to activation, an audible warning is sounded from the device to indicate the presence of a fire and an impending activation. Once activated, the fire extinguisher contents are dispersed into the space thus significantly retarding or completely extinguishing the fire.

An automated fire extinguishing apparatus includes a turret with a nozzle connected to a water supply. A plurality of sensors are used to detect a fire monitored by the apparatus. The signals from the sensors are used to aim the nozzle toward the fire and to initiate water ejection therefrom. After the fire is extinguished the water is turned off.