Actuating mechanism for fire extinguishing sprinkler-starter
FIELD: fire safety.
SUBSTANCE: mechanism comprises a frangible closure formed as a cylindrical electrical insulator with thinning in the middle part and mounted between the sprinkle valve and the adjusting screw of sprinkler. There is a temperature sensor arranged in the form of wire ring with shape memory effect with rigidly fixed ends. The ring embraces closure and one of the sides of sprinkler bow, it is connected to the control unit and a power source with electrically forced start.
EFFECT: increase of water extinguishing system reliability.
5 cl, 3 dwg
FIELD: machine building.
SUBSTANCE: nozzle is made in form of a cone confuser with cylindrical output channel, in which the output channel axis is displaced relatively to the confuser axis by distance from 0.15 to 0.5 of channel diameter creating transition zone in area of crossing of the confuser cone surface and channel cylindrical surface. In the nozzle the angle of the cone confuser is set from 20° to 90°, and length of the nozzle output channel does not exceed 3 nozzle diameters.
EFFECT: creation of spiral jet with increased resistance and reach distance.
14 cl, 1 dwg
FIELD: fire-fighting equipment.
SUBSTANCE: invention relates to the field of fire-fighting equipment, namely, the means for extinguishing fire, in particular to automated units of water (foam) fire-fighting. In the system of water fire extinguishing, containing pipeline distribution network equipped with sprinklers with controlled start, the receiving-control and management fire-fighting device, which is connected to fire loop with integrated fire detectors and a signal line, which comprises the devices of initiating the start, electrically connected to controlled sprinklers, and the pipeline distribution network is divided into zones, and the system is equipped with additional addressable remote start devices corresponding to each designated area, which are included in the other signal line connected to the receiving-control and management fire-fighting device, the sprinkler housing is made as a fitting with a through hole and a threaded part passing into the end valve part, and the fitting by means of an axisymmetric nozzle consisting of two vertical volume stiffeners and two inclined prismatic ribs rigidly connected to them is rigidly connected to a hollow cylindrical sleeve with an internal thread interacting with a clamping bolt which presses a glass flask to the poppet valve, while on the other side to the sleeve perpendicularly to its axis, the sprayer device is mounted, in the form of rosette with the petals positioned relative to each other with a gap, and axially on the fitting side, opposite the threaded part the lock poppet valve is located through a pad, connected with the element of automatic response to the excess of the given premises temperature, which is made in the form of a glass flask, which is a thermal lock.
EFFECT: increasing reliability of water fire-extinguishing system.
FIELD: fire safety.
SUBSTANCE: method of fighting fires consists in creation on the fire source of several spots of irrigation of the source with the fire extinguishing liquid, which are formed by its supply to the fire source by fire monitors, and to increase the removal of fire monitors from the fire source the surfactants-inhibitors are added to the fire extinguishing mixture, which increase the surface tension of the liquid and increase the length of the compact part of the jet. At that the positioning of each individual spot of irrigation on the fire source is carried out with the condition of absence of interaction of individual monitor jets with each other and the maximum effectiveness of movement of spots of irrigation in the process of fire extinguishing. The method is implemented with use of a robotic mobile fire-extinguishing unit having the chassis with a power drive, along the sides of which the fire monitors with power drives of positioning their longitudinal axes on elevation angle above the horizon line and the azimuthal angle are mounted, and the supply of extinguishing liquid to the fire monitors is carried out using a turbo-pump unit, which enables to supply the extinguishing liquid by one pump station to two fire monitors, and before supplying the extinguishing liquid to the fire monitors the inhibitors are added to it, which increase the surface tension of the liquid. The operation of the systems of mobile robotic fire-fighting unit is carried out either by on-board processor, or remotely by the operator, for which the unit is equipped with the corresponding TV and radio equipment.
EFFECT: improvement of method of fire extinguishing.
2 cl, 5 dwg
FIELD: fire safety.
SUBSTANCE: in the water extinguishing system comprising a pipeline distribution network, equipped with sprinklers with the controlled start, the receiving-control and the fire control unit, which is connected to the fire loop with the fire detectors and signal line comprised in it, which comprises the devices of initiating the start, electrically connected to controlled sprinklers, and the said pipeline distribution network is divided into zones, and the system is additionally provided with address devices for remote start, corresponding to each designated zone, which belong to the other signal line connected to the receiving-control instruments and fire control unit. The first and second signal lines are joined, and the zones are formed so that each successive one overlaps the half of the previous one. Around each of the zones, except for the extreme, four more zones are isolated, each of which overlaps the quarter or half the first, and in the upper part of the housing of the sprinkler with controlled start the sleeve is located, on which an atomiser is rigidly fixed, comprising a lower cup rigidly connected with the sleeve and the upper cup-splitter, on which conical surface the slits are made. The lower cup by at least three inclined spokes is connected to the upper cup-splitter, in the atomiser the splitter is additionally provided, made in the form a body of revolution, e.g. a ball, fastened by means of at least three radial, horizontally located, flat lobes to the inclined spokes. The body of revolution of the axis coincides with the axes of the sleeve and the shut-off valve.
EFFECT: increasing the reliability of water extinguishing system due to optimising the position of the centre of the fire extinguishing with respect to fire.
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to the field of instrumentation and can be used in detection of fires in forestry. Forest fire detection system comprises a unit of radio transmitter, a unit of radio receiver. Forest fire detection system is also provided with sensors of temperature and concentration of carbon dioxide, units of electric power supply the carbon dioxide concentration sensors, and a radio transmission device, a unit of switching on and off the electric power supply, the data conversion unit of the temperature and concentration of carbon dioxide and transferring them to the radio transmitter, the power control unit of the radio transmitter, the data processing unit of the temperature and concentration of carbon dioxide. Units of sensors of temperature and carbon dioxide, the electrical power unit of sensors, the unit of switching on and off the electric power supply, the unit of the radio transmitter, the power control unit of the radio transmitter are located directly in the zone of possible fire emergence. The unit of radio receiver is located at a distance in the radio range area of the radio transmitter. The electrical power unit is connected to the carbon dioxide concentration sensor and a unit of radio transmitter, the a unit of switching on and off the electric power supply is connected to the electrical power unit and the temperature sensor, the sensors of temperature and carbon dioxide concentration are connected with the data conversion unit of the temperature and concentration of carbon dioxide and transferring them to the radio transmitter, the power control unit of the radio transmitter is connected to the carbon dioxide concentration sensors and the unit of radio transmitter, the unit of radio transmitter is connected by the radio channel with the unit of radio receiver, the unit of radio receiver is connected to the data processing unit of the temperature and concentration of carbon dioxide, the data processing unit of the temperature and concentration of carbon dioxide is connected to the communication unit with the receiving operators.
EFFECT: early local detection of emergence of forest fire and prompt non-contact notification about its emergence by the receiving operators.
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to fire fighting equipment, and particularly to equipment for 3D fire fighting. A device for 3D fire fighting comprises elements for fire fighting connected to each other by means of blasting fuses. Elements for extinguishing are installed in the room space so that their axes cross in the geometric centre of the room. The centre of the room is determined as a point of crossing of rectangular parallelepiped or cube diagonals. Blasting fuses connect elements for fire fighting with a charge from a smoke-forming composition, creating a closed quadrangle with tops. In tops of the quadrangle there are elements, every of which comprises a body with a collar and an output hole. The charge of the smoke-forming composition with an initiation unit, besides, the charge of the smoke-forming composition is made as channel-shaped, and the output hole of the body is closed with a rupture membrane.
EFFECT: increased reliability and efficiency of a 3D fire fighting system.
2 cl, 6 dwg
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to the field of fire-fighting equipment and operators of extinguishing fires in buildings with electrical equipment, as well as for protection of electronic systems of fire extinguishing plants from electric shock. Prior to the operation of the control facility the deliberately safe value of electric current is set. In operation of the control facility an exception to exceed the given value of the electric current is provided in the place of contact of the extinguishing agent to the device that generates it. The operator of extinguishing fire or other control facility are warned about the presence of electric current and risk of it in the extinguishing area of the plants that are under voltage. According to the parameters of the stream flow (direction, distance of the stream) of the extinguishing agent the presence and location of plants under voltage is determined. For actuating of the warning of the control facility the potential difference between the geometric center and the periphery of the stream is used, or between the stream and the grounded device that generates the stream of extinguishing agent. In case of excess of the given value of the electric current the extinguishing is terminated automatically, remotely or manually or transferred it to a safe mode.
EFFECT: development of the method of electrical hazard warning of control facility by fire-extinguishing system due to eliminating dangerous electrical current flowing through the stream.
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to plants of automatic fire extinguishing. The plant of automatic fire extinguishing with controlled irrigation area comprises sprinklers, fire detectors, lock-start gear and pipeline. The sprinklers have an electric start. The pipeline is with the extinguishing liquid. The detectors are made address analog, as well as the control devices and control line of the sprinkler. The sprayer comprises a hollow housing with a nozzle and a central core. The housing with a channel for supplying liquid comprises a sleeve rigidly connected to it, at the bottom of which a nozzle is fixed. The nozzle is made in the form of a cylindrical two-stage sleeve which is connected to a central core by a threaded connection. The core consists of a cylindrical part and a hollow cone. The cone is mounted with the annular gap relative to the inner surface of the cylindrical sleeve. The annular space is connected with the channel of the housing for supplying liquid. In the lower part of the cone the sprayer is rigidly fixed with a screw, which is made in the form of a front circular plate which edges are bent in the direction of the annular gap. On the side surface of the cone the orifice axis openings are made, which lie in planes perpendicular to the axis of the cone.
EFFECT: increased efficiency of fire extinguishing by creating a plant of automatic fire extinguishing with controlled irrigated area.
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to fire-fighting equipment and can be used to activate remotely the agitating system of the fire fighting plant off-line of continuous control of fire and explosion hazard state of the controlled area in case of pulse pressure generated in the air by explosion source of shock wave, particularly in the underground workings of coal mines, at enterprises of oil-refining industry, etc. The sensor of shock wave (versions) comprises a housing with a lid, a power trigger element in the form of a plate hingedly connected on it, a spring made with the ability to reinstall one of the hitches. The means that triggers an electrical impulse is a magnetic system (version 1) or is made in the form of an accumulator battery (version 2).
EFFECT: sensor design, which provides the dynamic factor (shock wave) transformation in a remote, inaccessible and rarely visited controlled area into an electrical impulse, which effects remotely on the triggering device of the remote means of fire and explosion suppression, greatly increases the possibility of its rapid response, anticipating coming of the shock wave to it, enables to achieve reliably the functional result, with high speed, stand-alone, with the exclusion of the human factor and increase the reliability of the triggering device of fire and explosion suppression at a low cost for operation.
4 cl, 3 dwg
FIELD: fire-prevention facilities.
SUBSTANCE: invention relates to the field of fire-fighting equipment, namely, the fire-fighting means, particularly to automated plants of water (foam)-based fire suppression. The system of water-based fire suppression comprises pipeline distribution network, divided into zones, the receiving-control device and the fire control device. The network is equipped with sprinklers with the controlled start. The receiving-control device and the fire control device are connected to the fire loop, which comprises fire alarm units and a signal line. The signal line comprises devices of start initiation, which are electrically connected to the controlled sprinklers. The system is additionally equipped with targeted devices of remote start. The first and second signal lines are combined. The zones are formed so that each successive one overlaps by half the previous one. At the upper part of the sprinkler housing with a controlled start a sleeve is located on which the sprayer is rigidly fixed. The sprayer consists of a lower cup which is rigidly connected to the sleeve. In the upper cup-divider, on the conical surface the slots are made. The lower cup is connected by slanting spokes with an upper cup-divider. Inside the sprayer a divider is additionally installed which is designed in the form of a body of revolution. The divider is attached via radial, horizontal, flat lobes to slanting spokes.
EFFECT: increase in reliability of water-based fire suppression system.
FIELD: fire-fighting equipment, particularly sprinklers.
SUBSTANCE: sprinkler has bearing body, at least one nozzle, heat-sensitive sprinkler actuation means and closure fixed in front of nozzle when closure is installed in its protective position to provide mechanical protection of sprinkler actuation means when sprinkler is brought in its inactive position. Closure may be displaced in opened position in which closure releases nozzle to bring sprinkler actuation means in opened position and to provide spraying of fire-extinguishing substance through nozzle in active sprinkler position. Bearing body comprises inlet for feeding fire-extinguishing substance. Sprinkler also has means to be displaced relative bearing body. Fluid medium acts upon above means to displace thereof relative body and to act upon lock for lock opening. As a result, closure is displaced in opened position to open sprinkler actuation means and to transfer sprinkler in standby mode. In standby mode sprinkler actuation means are not damaged and may respond to heat to actuate sprinkler and to transfer sprinkler in active mode.
EFFECT: simplified structure, providing of inactive sprinkler mode.
16 cl, 4 dwg
FIELD: automatic-control systems for chemical and petrochemical industry.
SUBSTANCE: system has process control system, fire extinguish control system and cleaning control system. Each system has corresponding detectors, control and test units as well as actuating units. All three systems are connected together and with risk scenario prediction unit, which has models of standard and non-standard modes. Invention provides ecological safety and reduces damage caused by pollution at violation of standards of production process and failures.
EFFECT: ecological safety.
4 cl, 1 dwg
FIELD: fire-fighting, particularly powder fire-extinguishing modules used as self-triggered units or units activated by external signal and included in different fixed fire-extinguishing systems, as well as fixed fire-extinguishing systems having above modules.
SUBSTANCE: module comprises body filled with fire-extinguishant and provided with fastening members, as well as gas generation means at least partly arranged inside the body and at least one pair of heat-sensitive members located outside the body. The first heat-sensitive member is adapted to control pre-threshold temperature factor of fire, the second one is used to control threshold temperature factor of fire. Module also comprises control and alarm system linked to heat-sensitive members and gas generator. The control and alarm system comprises at least one ready unit and two triggering mode units. The first heat-sensitive member is connected to ready unit input and may generate ready signal. Ready unit output is linked to inputs of the first and the second triggering mode units. The second heat-sensitive member is connected to the first triggering unit input to generate triggering signal, which is common with ready signal. Outputs of the first and the second triggering mode units are linked to gas generation means to transmit triggering signal to the gas generation means. Automatic fire-extinguishing system is created by above modules distributed over object to be protected. The modules are connected with each other so that each module is associated with other ones by connecting the first triggering mode unit output of the first module with the second triggering mode unit inputs of adjacent modules.
EFFECT: increased ability of fire-extinguishment, possibility to estimate fire site dimensions, reduced number of false module and system operations, and, as a result, reduced property damage, possibility to use the system in rooms having false ceilings and to conceal the modules inside room.
5 cl, 6 dwg
FIELD: fire fighting service; methods and equipment for the automatic pulsing fire extinguishing 2004106871/12 (54) Method of the automatic pulsing fire extinguishing.
SUBSTANCE: the invention is intended for utilization at the fires extinguishing, for example, the stores with the highly inflammable liquids, on the oil producing installations in the conditions of the variable forces and directions of the wind in the area of the fire. The technical result of the invention is the increased reliability and the reduced inertia at the fires extinguishing process in the pulse operation, including the case of the initial stage of inflammation, irrespective of the direction and the strength of the wind, the increased processibility index, the decrease of the complication and the cost of the system. The technical result is reached by that the method provides for the feeding by the system of the installations into the zone of the fire of the fire extinguishing composition. The direction of feeding of the fire extinguishing composition by the installations is set with consideration of the direction and speed of the wind at the moment of inflammation according to the information coming from the weather vane. At that the direction of the possible feeding change in advance with per second corrective action of the position of the barrel device before origination of the inflammation. The method is realized by the system including the fire extinguishing pulsing installations, each of which has the infrared sensor, the barrel device supplied with the charge of the fire-extinguishing composition with the pyrocartridge. The infrared sensor is mounted fixed with the capability to control the preset sector of fire extinguishing, and the barrel device is made with the capability of correction of its position in the horizontal plane and is supplied with the rotation driving gear in the form of the electromotor with the worm reduction gearbox connected through the matching unit with the control unit. At that the control unit is connected with the infrared sensor, the pyrocartridge and the reading device of the weather vane mounted in the zone of the installations.
EFFECT: the invention ensures the increased reliability and processibility of the method and the of the pulsing fire extinguishing system, reduced inertia at the fire extinguishing process, complication and the cost of the system.
2 cl, 1 dwg
FIELD: chemical industry; the shutoff-starting devices of the gaseous fire-extinguishing installations.
SUBSTANCE: the invention is pertaining to the shutoff-starting devices used in the gaseous main lines, predominantly in the fire-fighting equipment and is intended for utilization in gaseous fire-extinguishing installations. The shutoff-starting device contains the body, in which there are the input and output openings of the gaseous main lines. In the area of the body outlet opening there is the mounted gate connected to the spring-loaded piston mounted with the capability of motion in the working chamber of the body. The device has the tool for opening and shutting the gate, which contains two mounted in the body two-position spring-loaded slides connected with the drive of their relocation. The body and the two-position spring-loaded slides have and-or form the system of the holes forming in the relocated position of the first slide and in the initial position of the second slide the channel of feeding of the gas from the indicated working chamber into the aerosphere, and in the relocated position of the second slide - the channel of the gas feeding from the inlet opening into the working chamber. The body has the cylindrical cavity, in which there is the fixed sleeve with the indicated working chamber forming the axial passage, and the sliding device overlapping the open side of the sleeve and arranged on the side of the inlet opening of the body. At that the slides are mounted in the body mainly in the transversal position with respect to the sleeve. The sleeve also has the hole for the gas feeding to the butt surface of the piston is carried out. The body has two counter-located sleeves, in which there are mounted along the single axis the indicated spring-loaded slides. At that the indicated sleeves have and-or form through the grooves the indicated system of the holes. At that the first slide has and-or forms through the grooves the holes system for shaping the channel of the gas feeding from the working chamber into the aerosphere, and the second slide has and-or forms through the grooves one system of the holes for formation of the channel for the gas feeding from the inlet opening into the working chamber. The technical result of the invention is the improved operational reliability of the device without reduction of the speed of the slides reaction, minimization of the drive power and the increased serviceability.
EFFECT: the invention ensures the improved operational reliability of the device without reduction of the speed of the slides reaction, minimization of the drive power and the increased serviceability.
9 cl, 3 dwg
FIELD: fire-fighting, particularly to suppress fires in industrial and other large building having arched floor structures and column-like load-bearing members.
SUBSTANCE: method involves delivering liquid to fire site in fire-extinguishing mode and in cooling mode with the use of fire alarm system. In the cooling mode liquid is supplied by separate hydraulic monitors after 30-60 sec of liquid delivering in fire-extinguishing mode in which liquid is fed to structural load-bearing members and equipment. Automatic fire-extinguishing system comprises fire alarm system, fire-extinguishing and cooling liquid supply devices. Fire-extinguishing and cooling liquid supply devices are made as hydraulic monitors having barrels provided with horizontal and vertical pointing drives and electronic control unit. The control unit includes memory means, which provides serial supply of cooling liquid to structural load-bearing members and equipment. Pressure sensors and pumps are installed in supply pipelines near hydraulic monitors to regulate pressure of liquid at hydraulic monitor inlets. The pressure sensors are arranged in pipelines between pumps and hydraulic monitors.
EFFECT: optimized mode of structural member cooling, reduced material damage from fire and excessive water poured out for fire extinguishment.
5 cl, 1 dwg
FIELD: fire-fighting, particularly to control fire-extinguishing equipment with the use of heat-sensitive means electrically linked to fire-extinguishing aerosol generators and adapted to protect tower-like building structures.
SUBSTANCE: fire-extinguishing module comprises fire-extinguishing aerosol generators arranged in building structure sections. Number of fire-extinguishing aerosol generators is selected to provide effective flame suppression. Fire-extinguishing aerosol generators have activation units electrically connected to triggering device, which is commutated by heat detectors of self-contained power supply. Each fire-extinguishing aerosol generator set is mounted at lower section level, wherein number of fire-extinguishing aerosol generators in each set is selected to provide full coverage of cross-section of space to be protected by fire-extinguishing aerosol with 0.08 kg/m3 aerosol concentration. Activation units of fire-extinguishing aerosol generator set are connected with that of lower section through time-delay means.
EFFECT: possibility of doubled highly-concentrated gas-aerosol mixture action on fire site due to successive automatic supply of fire-extinguishing from fire-extinguishing aerosol generator set of lower tower section to fire site, increased efficiency of fire suppression and prevention of secondary fire site smoldering.
FIELD: fire-extinguishing systems, particularly adapted to suppress fires of industrial and residential objects.
SUBSTANCE: fire-extinguishing system comprises supply unit 1 to supply electric current thereto, system monitor and control unit 2 electrically linked to fire-extinguishing means 4 including gas generators 5, radio-frequency converter 3 unit, which generates alternate current having predetermined parameters and included in electric circuit at system monitor and control unit output. Fire-extinguishing means have control-and-triggering units 6, which provide matching of electric parameters of alternate current to be supplied to fire-extinguishing means gas generators with alternating current parameters set by radio-frequency converter and included in electric circuit at fire-extinguishing means gas generator outputs.
EFFECT: elimination of false fire-extinguishing means supply, provision of large fire-extinguishing means amount delivery along with decreased power inputs.
FIELD: mining, particularly to suppress underground fires in coal mines originating from methane and/or coal dust explosion.
SUBSTANCE: device comprises explosion indication flag having shaped member on shaft thereof. Lever is supported by the shaped member from the side of long arm thereof. Short lever arm rests upon fixed axis. Device has flexible tie secured to lever by the first end thereof and passing over pulley. Another flexible tie end is secured to double-sided rack provided with weight. One rack side is brought into engagement with toothed wheel having shaft fixed to pipeline closing valve spindle. Another rack side is brought into engagement with the second toothed wheel having shaft fixedly connected to pipeline opening valve spindle. The pipeline connects antipyrogen vessel with fire pipeline.
EFFECT: increased reliability and mining safety.
FIELD: fire-fighting, particularly fire-extinguishing robots.
SUBSTANCE: fire-extinguishing robot assembly comprises two or more fire-extinguishing robots. Each fire-extinguishing robot comprises fire monitor with vertical and horizontal aiming drives, nozzle with jet spraying angle change drive and local control panel, which are connected with commutation unit at inlet and with control device at outlet. Control device generates signals to control fire monitor position change and fire-extinguishing operation. Installed on the fire monitor is fire detecting and telemetering device, which is arranged so that optical axis thereof extends in fire-extinguishant supply direction. Said device is communicated with video signal processing device, which executes fire site coordinate determination algorithms. Video signal processing device is connected with video monitor and control device. Fire-extinguishing robots are installed so that each point of space to be protected is sprayed with at least two fire-extinguishant jets and controlled by two fire detecting and telemetering devices. Fire monitors have disc gates with drives and pressure sensors attached to commutation unit at inlet thereof. Commutation unit has outlet linked to control device.
EFFECT: increased accuracy of fire site coordinate determination and possibility of jet aiming with taking into consideration of fire pipeline pressure change, improved noise immunity, response, sensitivity and reliability.