WO2024072257A1 - Arroseur de système d'extinction d'incendie - Google Patents

Arroseur de système d'extinction d'incendie Download PDF

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Publication number
WO2024072257A1
WO2024072257A1 PCT/RU2023/050121 RU2023050121W WO2024072257A1 WO 2024072257 A1 WO2024072257 A1 WO 2024072257A1 RU 2023050121 W RU2023050121 W RU 2023050121W WO 2024072257 A1 WO2024072257 A1 WO 2024072257A1
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WO
WIPO (PCT)
Prior art keywords
sprinkler
heat
sensitive
electrodes
voltage
Prior art date
Application number
PCT/RU2023/050121
Other languages
English (en)
Russian (ru)
Inventor
Андрей Александрович КУПФЕР
Норайр Сергеевич МАРТИРОСЯН
Original Assignee
Общество С Ограниченной Ответственностью "Фогстрим"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from RU2022114579A external-priority patent/RU2800506C1/ru
Application filed by Общество С Ограниченной Ответственностью "Фогстрим" filed Critical Общество С Ограниченной Ответственностью "Фогстрим"
Publication of WO2024072257A1 publication Critical patent/WO2024072257A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material

Definitions

  • the claimed technical solution generally relates to fire-fighting equipment used as part of automatic fire extinguishing systems and, in particular, to a sprinkler for supplying fire extinguishing liquid (in particular water) in the form of a finely sprayed stream.
  • fire extinguishing liquid in particular water
  • the sprinkler of a fire extinguishing system usually consists of a housing, a shut-off valve, a socket for spraying liquid flowing from the outlet of the sprinkler, a temperature-sensitive element that holds the shut-off valve of the sprinkler and is activated when the set temperature is reached.
  • thermoflasks - are currently used as a temperature-sensitive element of a thermal lock.
  • the principle of operation of a sprinkler is as follows. When the temperature in the area of the thermal lock reaches above its nominal response temperature, the thermal flask is destroyed, the shut-off valve falls out of the socket of the sprinkler body, and the flow of water, hitting the socket of the sprinkler, is distributed over the protected area.
  • a sprinkler for a fire extinguishing system is known from the prior art (RU 2652587, published on May 24, 2017).
  • the known sprinkler of a fire extinguishing system contains a housing with an outlet closed by a shut-off valve, a heat-sensitive destructible element and a response control device.
  • the operation control device is made in the form of a conductive coating applied to the surface of a heat-sensitive destructible element, and the coating has leads for inclusion in the circuit of the sprinkler condition control unit.
  • a sprinkler sprinkler is known from the prior art (PCT/RU PCT/RU2012/001035, publ. 06/13/2013)
  • a sprinkler sprinkler with a fire sensor containing a housing, a shut-off valve, a unit for monitoring and controlling the state of the shut-off valve, including a thermally destructible sensing element associated with a thermal heating element element, and terminals for communication with the fire control and control panel.
  • a sprinkler system (RU 2 379 080 C1, published 01/20/2010).
  • a sprinkler with a controlled start containing a housing in which there is a shut-off valve pressed through a sealing disk spring, a thermally destructible sensitive element connected to a thermal heating element, with terminals for communication with a control power source, equipped with a normally closed contact group connected to the terminals of the thermal heating element .
  • the disadvantage of the technical solutions known from the prior art is the intervention or application of additional elements to the surface of the flask, which violates the technical characteristics of the flask, and accordingly affects the reliability of operation of the temperature-sensitive flask.
  • the technical characteristics of the flask are not violated, since in the declared technical solution no changes are made to the design of the flask, the flask is used in a factory-made version, and accordingly, the reliability of operation of the heat-sensitive flask remains at a consistently high level.
  • there are no moving mechanical elements there are no requirements for the quality of contacts of the supply conductors, due to low current values, and there are no heating elements that can be damaged during installation.
  • the claimed invention is aimed at increasing the reliability of the sprinkler operation, providing a guaranteed effect of destruction of the bulb.
  • the technical problem that the proposed fire extinguishing system sprinkler is aimed at is to provide the possibility of remote control and forced start of the fire extinguishing system sprinkler.
  • the technical result of the claimed invention is to increase the reliability of remote operation of the sprinkler of the fire extinguishing system.
  • the sprinkler of the fire extinguishing system containing a housing with outlet openings blocked by a shut-off spring-loaded valve, is heat-sensitive a collapsing element and a forced actuation mechanism, wherein the forced actuation mechanism is made in the form of an electric arc gap containing a dielectric housing and two electrodes installed in said arrester housing, to which voltage is applied at the moment of operation, while the electric arc gap is installed on the sprinkler of the fire extinguishing system in this way that said heat-sensitive destructible element is located between said electrodes of the arc gap.
  • the voltage supplied to the electrodes of the arrester is generated by a high-voltage transformer, the secondary winding of which is connected to the mentioned electrodes, and the primary winding to a transistor, which in turn is connected to a microprocessor, while these components are connected to a power source.
  • it additionally contains a housing located around the mentioned sprinkler housing, while in the said additional housing a high-voltage transformer, a microprocessor, a transistor and a power source are located.
  • the voltage supplied to the electrodes of the arrester is generated by a signal from the fire extinguishing system control system via a wired or wireless communication channel, while the sprinkler additionally contains a wireless communication module connected to a microprocessor.
  • the voltage supplied to the electrodes of the arrester is alternating current with a voltage of 10-30 kV and a frequency of 15-20 kHz c.
  • the heat-sensitive destructible element is made in the form of a glass heat-sensitive flask.
  • the heat-sensitive flask is filled with a liquid that boils at the response temperature.
  • the technical result of the claimed invention is achieved due to the fact that a method for remote control of a fire extinguishing system sprinkler containing a heat-sensitive element, in which: a heat-sensitive element is placed between two electrodes, alternating current is supplied to said electrodes, and the said heat-sensitive element is destroyed by a high-voltage electric arc discharge formed between the mentioned electrodes.
  • alternating current with a voltage of 10-30 kV and a frequency of 15-20 kG c is used.
  • a temperature in the arc column is created in the range from 7000 to 18000°C.
  • the alternating voltage is generated by means of a generator and a transformer with a chopper.
  • alternating voltage is generated based on a signal from the fire extinguishing system control system via a wired or wireless communication channel.
  • the heat-sensitive destructible element is made in the form of a glass heat-sensitive flask.
  • the heat-sensitive flask is filled with a liquid that boils at the response temperature.
  • Figure 1 is a general view of the fire extinguishing system sprinkler
  • Figure 2 is a sketch view of the design of the claimed device with spaced apart structural elements
  • Figure 3 shows a general view of the fire extinguishing system sprinkler: bottom view, side view, general view, sectional view;
  • Figure 4 is an embodiment of the claimed device, in which the connection of the electronic component base with the control system of the fire extinguishing system is realized via a wireless connection;
  • Figure 5 is an embodiment of the claimed device, in which the connection of the electronic component base with the control system of the fire extinguishing system is realized through a wired connection;
  • Figure 7 is a sectional view of the arc element
  • Figure 8 is a sketch view of the design of the claimed device with spaced apart structural elements
  • Figure 9 shows the sprinkler of the fire extinguishing system in the standby position
  • Figure 10 is a sketch view of the design of the claimed device with spaced apart structural elements.
  • 14 - microprocessor 15 - Bluetooth transceiver module; 16 - fire extinguishing system sprinkler housing; 17 - body of the electric arc gap; 18 - electrodes; 19 - conductor; 20 - communication unit; 21 - control and display unit; 22 - power and temperature control system; 23 - pump pulse generator; 24 - power supply; 25 - battery; 26 - battery charging system and power source; 27 - electronic component base; 28 - spring-loaded valve.
  • the sprinkler (1) of the fire extinguishing system consists of a housing (16) with an internal working chamber. According to the text of the description, the preferred embodiment of the fire extinguishing system sprinkler is given, while directly the sprinkler can be made of any design known from the prior art, containing an automatic thermal switch, in particular a heat-sensitive flask (2).
  • the sprinkler of the fire extinguishing system consists of a housing (16) with an internal working chamber (not shown in the images shown).
  • the internal working chamber is connected to the fire extinguishing system supply channel of the fire extinguishing system.
  • the claimed sprinkler is connected to the fire extinguishing system by means of a fitting (4) of the fire pipeline, while the body of the sprinkler is equipped with a thread through which the said body is connected to the fitting, and the fitting is connected to the pipes of the fire extinguishing system.
  • the housing (16) contains nozzles (11), with each nozzle made in the form of a through channel from the outer surface of the housing (16) to the internal working chamber.
  • the sprinkler of the fire extinguishing system is equipped with an automatic thermal lock.
  • the thermal lock is made in the form of a spring-loaded valve (28), made with the possibility of translational movement inside the body (16) of the fire extinguishing sprinkler (1), and a heat-sensitive collapsing element (2).
  • valve is not the subject of the present invention; the valve can be made according to any embodiment of spring-loaded shut-off valves known from the prior art, which allows opening the passage for liquid at the moment of operation.
  • the valve (28) is located in the inner part of the body (16) of the sprinkler (1), while the valve in standby mode closes the channel for supplying the fire extinguishing liquid to the working chamber and, accordingly, to the outlet nozzles (11) of the sprinkler, made in the walls of the body (16) sprinkler (1).
  • bracket (13) On the end surface of the sprinkler body (1) there is a bracket (13), consisting of three arched struts mated at the bottom point and made as one piece. The junction of the posts is intended for installation of the lower supporting surface of the heat-sensitive collapsing element (2). A glass heat-sensitive flask is used as a heat-sensitive destructible element.
  • the glass thermosensitive flask (2) is filled with a liquid that boils at the response temperature.
  • the heat-sensitive flask (2) communicates with the said spring-loaded valve through a hole made in the end part of the sprinkler body (16).
  • the valve In the normal state, the valve is designed in such a way that it closes the passage of the fire extinguishing liquid to the working chamber of the sprinkler, and, consequently, to the nozzles of the fire extinguishing sprinkler.
  • the glass thermosensitive flask (2) heats up and breaks and the valve opens, making a translational movement and opening the passage of the fire extinguishing liquid to the working chamber and, accordingly, to the nozzles.
  • the claimed sprinkler of the fire extinguishing system in addition to the normal operating mode described above, in addition to the main operating mode, is designed with the possibility of remote forced activation of the temperature-sensitive element in the event of early detection of a fire.
  • the declared design of the mechanism for forced activation of the system sprinkler eliminates any changes to the standard design of the temperature-sensitive flask, which in turn reduces the risks associated with changes in the characteristics of the flask and reduces the risks of deviations from the standard parameters.
  • the forced actuation mechanism is an electric arc gap (3).
  • the electric arc gap (3) is fixed to the body (16) of the sprinkler (1).
  • the electric arc gap contains a dielectric housing (17) and two spark gaps installed in the said housing (17), an electrode (18) and electrical conductors (19), through which the mentioned electrodes (18) are connected to the high-voltage converter (10).
  • the electric arc gap is a clip, which, in the embodiment of the stated technical solution of the sprinkler, is fixed on the mentioned bracket (13) for fastening the heat-sensitive element (2) or is put directly on the heat-sensitive flask of the sprinkler.
  • the body (17) of the spark gap is designed in such a way that it is located with a gap from the mentioned temperature-sensitive element (2) and covers it on at least two of its sides, and the mentioned electrodes are located opposite each other.
  • the electric arc gap ensures the formation of an electric arc directly near the surface of the heat-sensitive sprinkler bulb.
  • the mentioned heat-sensitive element (2) in the sprinkler (1) of the fire extinguishing system is located between the mentioned electrodes (18).
  • the distance between the electrodes is 4 - 6 mm
  • the distance between the electrode and the surface of the bulb is from 0.5 to 1.5 mm.
  • the heat-sensitive bulb has a diameter of 3 mm, and accordingly the following gaps are obtained.
  • the essence of the claimed technical solution is the use of a high-voltage electric arc discharge to heat a heat-sensitive deteriorating element, in particular a heat-sensitive flask.
  • the advantage of the method is an immediate, within a few milliseconds, increase in temperature and, as a consequence, instant destruction of the temperature-sensitive element and subsequent activation of the sprinkler of the fire extinguishing system.
  • the temperature-sensitive element (2) is placed between two electrodes (18), to which an alternating current with a voltage of 10-30 kV is supplied at the moment of operation. frequency 15-20 kHz.
  • the electric arc formed between the mentioned electrodes is a powerful and concentrated source of heat.
  • the temperature in the arc column consisting of hot conductive plasma, ranges from 7,000 to 18,000°C.
  • the combined effect of heating and shock waves arising during the collapse of the arc channel provides a guaranteed effect of destruction of the thermosensitive bulb of the sprinkler sprinkler both from temperature and from electrical erosion effect on the surface of the bulb.
  • the voltage value depends on the gap between the electrodes in a particular device implementation. With a gap between the electrodes of 4 mm, the voltage value is set to 10 kV, with a gap of 6 mm, respectively, 30 kV at a frequency of 15-20 kHz in both cases.
  • the voltage supplied to the mentioned electrodes is generated by a signal generator and a transformer.
  • the said electrodes (18) of the arrester (3) are connected via flexible conductors (19) to the electronic component base (27) of the claimed device, made on a single control board (7).
  • the electronic component base (27) of the claimed device is connected to a control cabinet included in the fire extinguishing system control system, which is not the subject of the present invention.
  • connection of the electronic component base (27) with the control system of the fire extinguishing system is implemented through wired communication made according to the RS-485 standard, in which one twisted pair of wires is used to transmit and receive data, while the electronic component base contains terminals ( 12) connections to the control system, in particular the RS-485 interface.
  • the RS-485 ModBus driver which converts the TX/RX signal levels of the industrial standard RS-485 to the signal level required by the microprocessor (14), provides communication with the control cabinet at the physical hardware level.
  • the electronic component base (27) of the claimed device consists of the following located on a single control board (7) and connected by electrical conductors:
  • - microprocessor including a communication unit (20), a control and indication unit (21), a power and temperature control system (22), a pump pulse generator (23);
  • - high-voltage converter including a key transistor and a high-voltage transformer
  • Communication block (20), receiving control commands and data transmission - is designed to provide communication with the control cabinet at the logical level.
  • Power and temperature control system (22) - allows, depending on the condition of the battery (8), to make changes to the operating algorithm of the pump pulse generator (23), and also generates report data on the temperature and condition of the battery for transmission to the control cabinet. Data on the state of the built-in battery (8), in addition, allows for its routine replacement in a timely manner.
  • Battery charging system (26) and power supply - provides power to the circuit and the battery charging process (8).
  • Battery (8) - provides power to the circuit at the time of activation due to the fact that the current consumption at the time of activation is 3-5A, power supply from the cabinet via the communication cable is not possible for the effective operation of the activation system.
  • Control and indication unit (21) - consists of a button and a two-color LED indicator.
  • the LED indicator displays the operating modes of the activation device and is used to configure and diagnose performance.
  • the button is intended for setting up the activation device at the time of installation; it allows you to set the address and device number for indicating on the object map and organizing address control at the time of activation.
  • Pump pulse generator (23) - serves to generate pump pulses for the high-voltage converter.
  • a transistor switch is used to match the processor output with the primary winding of the transformer.
  • a high-voltage transformer with a ferrite core has two windings, a step-up transformer.
  • An electric arc gap (3) is connected to the output (9) of the transformer by wires.
  • the mentioned electrodes (18) of the arrester (3) are connected through flexible conductors (19) to the secondary winding of the transformer, the primary winding of which is connected to a key transistor that pumps electrical energy into the primary winding of the transformer.
  • the transistor receives a signal from the pump pulse generator (23), which in turn receives a signal from the fire extinguishing system control system.
  • connection of the electronic component base (27) with the control system of the fire extinguishing system is implemented via a wireless connection via the Bluetooth protocol, while the electronic component base contains a Bluetooth transceiver module (15), which is part of the microprocessor (14).
  • the Bluetooth transceiver module (15) provides communication with the control cabinet.
  • the electronic component base of the claimed device consists of the following located on a single control board (7) and connected by electrical conductors:
  • - microprocessor including a communication unit (20), a control and indication unit (21), a power and temperature control system, a pump pulse generator (23) and the aforementioned Bluetooth transceiver module (15);
  • - high-voltage converter including a key transistor and a high-voltage transformer
  • An activation command is received from the control cabinet via the communication line between the devices and the automation cabinet.
  • the command is sent to the device’s communication unit.
  • the communication unit includes a pump pulse generator. The frequency and duration of the pulses are adjusted depending on the data received from the power and temperature control system to ensure stable arcing.
  • a high-voltage converter converts the energy stored in the battery into an electric arc, through which the sprinkler bulb is destroyed and it is activated
  • the peak current in the primary winding of the transformer is from 6 to 12 A.
  • the current pumping time is from 40 ⁇ s to 180 ⁇ s and depends on the current source voltage power supply, the transformer used (its inductance) and the total resistance of the pump circuit.
  • the pumping parameters can be changed by the control program, based on the parameters of the applied and available components.
  • the discharge time depends on the energy pumped into the transformer and on the length of the arc and ranges from Yums to 40 microseconds.
  • the specified component base of the claimed technical solution is located in the housing (5), which in turn is mounted directly on the sprinkler (1) of the fire extinguishing system.
  • the mentioned housing (5) is made in the form of a flat cylinder, along the central axis of which the sprinkler of the fire extinguishing system is located directly, and around it on the control board (7) the mentioned elements of the component base are placed.
  • the power of the above electronic components is carried out via a battery, also located inside the said housing and via a wired connection connected to a remote charging unit, which is part of the fire extinguishing system control system.
  • said microprocessor is also connected via a wire connection to said fire extinguishing system control system.
  • the fire extinguishing system control system polls the integrity of the mentioned wire connection.
  • the power supply of the above component base is carried out via an autonomous battery, while the activation signal from the control system of the fire extinguishing system to the trigger mechanism is received wirelessly; for this purpose, the device includes a wireless module, in particular, Bluetooth, connected to the mentioned microprocessor .

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

L'invention se rapporte aux équipements de lutte contre les incendies que l'on utilise dans le cadre de systèmes automatiques d'extinction d'incendies, et concerne notamment un arroseur pour envoyer un liquide d'extinction de feu, notamment de l'eau, sous forme d'un flux finement pulvérisé. Cet arroseur comprend un corps avec des ouvertures de sortie fermées par un clapet à ressort de fermeture, un élément thermosensible frangible et un mécanisme d'actionnement forcé. Le mécanisme d'actionnement forcé se présente sous forme d'un éclateur à arc électrique comprenant un corps diélectrique et deux électrodes disposées dans ledit corps de l'éclateur, et sur lesquelles une tension est envoyée au moment de l'actionnement. L'éclateur à arc électrique est disposé sur l'arroseur du système d'extinction d'incendie de sorte que ledit élément thermosensible frangible se situe entre lesdites électrodes de l'éclateur à arc électrique. Dans un procédé de commande à distance de l'arroseur à pulvérisation du système d'extinction d'incendie comprenant un élément thermosensible frangible, ledit élément thermosensible est disposé entre deux électrodes. Un courant alternatif est envoyé vers lesdites électrodes. Ledit élément thermosensible frangible est rompu par une décharge à arc électrique haute tension formée entre lesdites électrodes. La présente invention permet d'augmenter la fiabilité du déclenchement à distance de l'arroseur du système d'extinction d'incendie.
PCT/RU2023/050121 2022-09-27 2023-05-23 Arroseur de système d'extinction d'incendie WO2024072257A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2022114579A RU2800506C1 (ru) 2022-09-27 Ороситель системы пожаротушения
RU2022114579 2022-09-27

Publications (1)

Publication Number Publication Date
WO2024072257A1 true WO2024072257A1 (fr) 2024-04-04

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ID=90478891

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2023/050121 WO2024072257A1 (fr) 2022-09-27 2023-05-23 Arroseur de système d'extinction d'incendie

Country Status (1)

Country Link
WO (1) WO2024072257A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993021998A1 (fr) * 1992-04-23 1993-11-11 Sundholm Goeran Tete automatique d'extinction a reponse rapide
RU2379080C1 (ru) * 2008-05-27 2010-01-20 Общество с ограниченной ответственностью "Холдинг Гефест" (ООО "Холдинг Гефест") Спринклерный ороситель с управляемым пуском
RU177628U1 (ru) * 2017-07-25 2018-03-02 Закрытое акционерное общество "Производственное объединение "Спецавтоматика" Устройство принудительного пуска оросителей
RU2652587C2 (ru) * 2015-11-18 2018-04-26 Общество С Ограниченной Ответственностью "Форносовский Литейно-Механический Завод" Спринклер с контролем срабатывания

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993021998A1 (fr) * 1992-04-23 1993-11-11 Sundholm Goeran Tete automatique d'extinction a reponse rapide
RU2379080C1 (ru) * 2008-05-27 2010-01-20 Общество с ограниченной ответственностью "Холдинг Гефест" (ООО "Холдинг Гефест") Спринклерный ороситель с управляемым пуском
RU2652587C2 (ru) * 2015-11-18 2018-04-26 Общество С Ограниченной Ответственностью "Форносовский Литейно-Механический Завод" Спринклер с контролем срабатывания
RU177628U1 (ru) * 2017-07-25 2018-03-02 Закрытое акционерное общество "Производственное объединение "Спецавтоматика" Устройство принудительного пуска оросителей

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