JP3160699U - Automatic fire extinguisher - Google Patents

Abstract

An automatic fire extinguishing apparatus that operates without using electricity at an early stage to automatically and safely extinguish a fire is provided. A pressure-resistant container 10 having a container valve 12 and a fire detection tube 16 having one end connected to the container valve 12 are provided. The fire detection tube 16 is made of a synthetic resin that is pierced by the heat of the fire. In the event of a fire, the fire extinguishing agent in the pressure-resistant container 10 is discharged toward the fire source through the fire detection tube 16 from the hole formed in the fire detection tube 16 due to the heat of the fire. A discharge head may be provided separately for the fire danger area, and the fire detection tube 16 may be used only as a fire detection sensor. [Selection] Figure 1

Description

  The present invention relates to an automatic fire extinguishing apparatus that extinguishes fires, particularly early fires, extremely effectively by automatically releasing a fire extinguishing agent pinpointed to the source of a fire in the event of a fire.

  As an automatic fire extinguishing device that automatically releases a fire extinguishing agent to the fire source in the event of a fire, the fire extinguishing means releases the fire extinguishing agent toward the fire source, and the fire extinguishing agent is released to the fire extinguishing means. Many devices are known which include a control device for causing a fire and a sensor for sending a fire occurrence signal to the control device.

  In this automatic fire extinguisher, the sensor detects the heat and smoke of the fire, sends a fire occurrence signal to the control device, the control device operates the fire extinguishing means based on the fire occurrence signal sent from the sensor, and the fire extinguishing means Releases fire extinguishing agent toward the fire, extinguishing the fire.

  By the way, with this automatic fire extinguisher, if the target of fire extinguishing is in a space such as a box, a place that is difficult to access, or a place that is difficult to guard, it is difficult to install the sensor and fire extinguishing means under optimal conditions, and a fire is It was difficult to effectively extinguish when.

  In this automatic fire extinguisher, since the sensor and control device are operated using electricity, in places where there is a lot of flammable gas or dust, there may be sparks or flammable gas that may be generated during operation. There was a risk that the dust would catch fire and explode.

  Also, if the sensor of this automatic fire extinguisher optically detects the occurrence of a fire, if the sensor becomes dirty, the ability to detect the fire will be reduced or it will not be possible to detect at all, the automatic fire extinguishing device will not work, There was a risk that the fire could not be extinguished. In particular, when the sensor is installed in a place where it is easily soiled, there is a problem that the reliability for automatic fire extinguishing is lacking.

  In addition, this automatic fire extinguisher has a sensor and control device that operates using electricity, so if a power outage and a fire occur simultaneously, such as during an earthquake, unless a backup power supply (battery) is used together, There was a possibility that it could not be extinguished because it did not work.

  In addition, when a backup power source (battery) is used in combination with this automatic fire extinguisher, the backup battery must be maintained over a long period of time in order to ensure the reliability of the power source, considering the life of the battery. There was also a problem that it was troublesome.

JP 2004-202415 A JP 2005-034431 A JP 2006-068294 A

  The problem to be solved by the present invention is that, in the case of an automatic fire extinguishing apparatus that is operated by electricity, there is a case where the fire cannot be extinguished safely and reliably.

  In order to automatically extinguish a fire, the automatic fire extinguishing device according to the present invention has a fire detection tube made of synthetic resin connected to a pressure-resistant container containing a fire extinguisher in a continuous state. The main feature is that the fire extinguishing agent in the pressure vessel is discharged from the hole formed in the fire detection tube toward the fire source through the fire detection tube.

  That is, one of the automatic fire extinguishing apparatuses according to the present invention has a container valve at the outlet, a pressure-resistant container containing fire extinguishing agent and pressure agent inside, and one end of the container valve of the pressure-resistant container. A fire detection tube connected to a fire hazard location, the container valve is open, the other end of the fire detection tube is closed, and the fire detection tube It is made of a synthetic resin that is pierced by heat.

  In addition, another one of the automatic fire extinguishing apparatus according to the present invention includes a pressure-resistant container having a container valve at an outlet and containing a fire extinguishing agent and a pressure agent inside, and one end of the container valve of the pressure-resistant container. And a discharge head connected to a container valve of the pressure-resistant container via a fire detection tube, and the container valve detects a breakage of the fire detection tube. The structure is such that a fire extinguishing agent is sent to the discharge head, the other end of the fire detection tube is closed, and the fire detection tube is made of a synthetic resin that is pierced by the heat of the fire It is.

  The automatic fire extinguisher of the present invention is equipped with a sensor and fire extinguishing means under good conditions even when the object of fire extinguishing is in a space such as a box, difficult to access, or difficult to guard. There is an advantage that can be extinguished by fire.

  In addition, the automatic fire extinguishing device of the present invention is installed in a place where there is no flammable gas or dust without causing a spark at the time of warning and operation because the sensor and control device do not operate using electricity. However, there is an advantage that it can be used with confidence without worrying about the explosion of a flammable gas or dust with sparks.

  In addition, the automatic fire extinguishing device of the present invention does not optically detect the occurrence of a fire, but detects a fire by opening a hole in the fire detection tube made of synthetic resin with the heat of the fire. Even if the tube is dirty, there is an advantage that the function of detecting a fire is not lowered or may not function.

  In addition, the automatic fire extinguishing device of the present invention works without problems even in the event of a power failure because the sensors and control devices do not operate using electricity, especially when a power failure and a fire occur simultaneously due to an earthquake. There is an advantage that you can.

FIG. 1 is an explanatory view of an example of an automatic fire extinguishing apparatus according to the present invention. It is explanatory drawing which shows the operation | movement process of the automatic fire extinguisher of FIG. FIG. 3 is an explanatory view of another example of the automatic fire extinguishing apparatus according to the present invention. It is explanatory drawing which shows the operation | movement process of the automatic fire extinguisher of FIG.

  The objective of automatically and safely extinguishing a fire at an early stage was realized with a simple configuration without impairing reliability.

  FIG. 1 is an explanatory diagram of an example of an automatic fire extinguishing apparatus according to the present invention. In FIG. 1, reference numeral 10 denotes a pressure vessel, and a fire extinguishing agent and a pressure agent are accommodated inside the pressure vessel 10. As the extinguishing agent, powder, foam, water (including additives, etc.) and liquefied gas of less than 0.2 MPa are used, and as the pressure agent, nitrogen or a mixed gas of nitrogen and helium is used. The inside of the pressure vessel 10 is pressurized to 0.98 MPa (40 ° C.) with a pressure agent.

  A container valve 12 as an outlet is provided at the top of the pressure vessel 10. A ball valve 14 is connected to the container valve 12, and one end of a fire detection tube 16 is connected to the ball valve 14, and at least a part of the fire detection tube 16 is installed in the vicinity of a fire hazard point. The other end of the fire detection tube 16 is closed.

  The container valve 12 and the ball valve 14 are in an open state, and the inside of the pressure-resistant container 10 and the inside of the fire detection tube 16 communicate with each other, and the fire detection tube 16 is expanded inside the fire detection tube 16 by the pressure agent. Pressurized in the direction. The fire detection tube 16 is formed of a synthetic resin of such a material that, when heated by the heat of a fire, is internally ruptured to open a hole by the internal pressure.

  A pressure gauge is attached to the other end of the fire detection tube 16 via an end adapter 18 and the pressure inside the fire detection tube 16 is checked to monitor whether the automatic fire extinguishing device operates normally. You may do it. In addition, a pressure switch is attached to the other end of the fire detection tube 16 via an end adapter 18 so that an alarm is activated or a fire monitoring target machine is stopped when the pressure in the fire detection tube 16 decreases. Also good. Further, a protection spring may be coaxially covered on the outside of the fire detection tube 16 so that the fire detection tube 16 is not physically crushed and damaged.

  Next, the operation of the automatic fire extinguishing apparatus will be described with reference to FIG.

  First, when the fire detection tube 16 installed in the vicinity of a fire danger point is heated by the heat of the fire, and some part of the fire detection tube 16 exceeds a predetermined temperature, the point where the predetermined temperature or more bursts. And a hole opens.

  When a hole is opened in the fire detection tube 16, the pressure agent in the fire detection tube 16 is released from the hole to reduce the pressure in the fire detection tube 16, and the pressure detection container 10 communicates with the fire detection tube 16. The fire extinguisher is carried along with the pressure agent through the fire detection tube 16 to the hole and discharged out of the hole.

  Since the hole is formed by the heat of the fire, there is a fire source in the immediate vicinity of the hole, the extinguishing agent is released pinpoint from the immediate vicinity to the fire, and the fire of the fire is extremely The fire will be effectively extinguished.

  In this way, the fire detection tube 16 of this automatic fire extinguishing device functions as a sensor that quickly detects a fire by opening a hole, functions as a pipe that carries the fire extinguishing agent to the fire, and further uses the fire extinguishing agent as the fire. In contrast, it works as a nozzle that automatically discharges.

  Since this automatic fire extinguisher operates without using a power source as described above, it does not require a power source for operation, is not affected by a power outage, and operates directly with the heat of the fire, so it is extremely reliable. Is excellent.

  This automatic fire extinguisher does not require any electrical wiring and does not use electricity for operation, so it does not generate electrical sparks and can be installed in an explosion-proof area of a factory that handles flammable gases and vapors. .

  In addition, this automatic fire extinguishing device has the fire detection mechanism as described above, so even if the fire detection tube is contaminated with dust, oil, etc., the function as a sensor is not deteriorated at all, so it is extremely reliable. ing.

  In addition, this automatic fire extinguisher uses a fire detection tube made of synthetic resin that can be bent easily, so it does not matter the shape of the installation location, such as a box-like space, a difficult-to-access location, or a guard Fire detection tubes can be installed in places that are difficult to perform.

  The automatic fire extinguisher has such a simple structure and is easy to maintain (it is sufficient to check the pressure gauge at regular intervals), so that the running cost is minimized and it is very economical.

  In addition, by attaching an optional pressure sensor, it is possible to output an alarm warning and a message output during operation, and a higher disaster prevention effect can be obtained.

  FIG. 3 is an explanatory view of another example of the automatic fire extinguishing apparatus according to the present invention. The basic structure of this fire extinguishing apparatus is substantially the same as that of FIG. 1, but the discharge head 22 is connected to the container valve 12 via the pipe 20. Are connected to each other, the fire detection tube 16 is used only as a sensor, and the container valve 12 detects the breakage of the fire detection tube 16 and sends a fire extinguisher to the discharge head 22. The point is different. The discharge head 22 is provided in the vicinity of the protective compartment with the ejection surface facing the protective compartment.

  The automatic fire extinguisher may optionally be provided with a pressure switch and a protection spring as described in the first embodiment. However, the pressure switch is provided in the pressure switch terminal box 24, and the pressure switch terminal box 24 is connected in parallel in the middle of the fire detection tube 16. Further, the pressure switch terminal box 24 may be provided with a manual starter 26 or an electromagnetic starter that forcibly opens the container valve 12 before the fire detection tube 16 is broken and supplies a fire extinguishing agent to the discharge head 22. .

  Next, the operation of the automatic fire extinguishing apparatus will be described with reference to FIG.

  First, when the fire detection tube 16 installed in the vicinity of a fire danger point is heated by the heat of the fire, and some part of the fire detection tube 16 exceeds a predetermined temperature, the point where the predetermined temperature or more bursts. And a hole opens.

  When a hole is opened in the fire detection tube 16, the pressure agent in the fire detection tube 16 is released from the hole, and the pressure in the fire detection tube 16 is lowered.

  When the pressure in the fire detection tube 16 decreases, the container valve 12 is activated by the decrease in the pressure, and the extinguishing agent is sent to the discharge head 22 through the pipe 20. Released and the fire is extinguished.

  A manual starter 26 is connected to the pressure switch terminal box 24 connected in the middle of the fire detection tube, and a person who knows that a fire has occurred before the hole is opened in the fire detection tube 16 is manually operated. It is also possible to release the fire extinguishing agent from the discharge head 22 by forcibly opening the container valve 12 by manually operating.

If the present invention is fire extinguishing agent is CO _2, laser processing machine, dust collector, NC lathe, generators, escalators machine room, distribution-distribution board, the transformer, combustibles depot, chemical laboratory equipment, trunk room, NC lathe, Super finishing machines, polishing machines, rolling mills, dust collectors, printing machines, quenching equipment, painting booths, welding machines, other various automatic machines, IPA cleaning machines, spin coaters, automatic solder baths, mixers, blenders, etc. Applicable to. In addition, when the extinguishing agent of the present invention is ABC powder, the engine room of a car, the engine room of a ship, the engine room of a heavy construction machine, the oil storage, the engine room of an automobile, a train, a leisure boat, a generator, a textile machine, etc. Applicable to fire extinguishing.

DESCRIPTION OF SYMBOLS 10 Pressure-resistant container 12 Container valve 14 Ball valve 16 Fire detection tube 18 End adapter 20 Piping 22 Discharge head 24 Pressure switch terminal box 26 Manual starter

Claims (2)

  A pressure-resistant container having a container valve at the outlet and containing a fire extinguishing agent and a pressure agent inside; a fire detection tube which is connected to the container valve of the pressure-resistant container and is installed at a fire-prone area; The container valve is in an open state, the other end of the fire detection tube is closed, and the fire detection tube is made of a synthetic resin that is opened by heat of fire. Automatic fire extinguishing device.   A pressure-resistant container having a container valve at the outlet and containing a fire extinguishing agent and a pressure agent inside; a fire detection tube which is connected to the container valve of the pressure-resistant container and is installed at a fire-prone area; A discharge head connected to the container valve of the pressure-resistant container through a pipe, and the container valve is configured to detect a breakage of the fire detection tube and to send a fire extinguisher to the discharge head. An automatic fire extinguishing apparatus, wherein the other end of the tube is closed, and the fire detection tube is made of a synthetic resin that is pierced by the heat of a fire.

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