JP2023047144A - Polypropylene rope burnout sensing type sprinkler system - Google Patents

Abstract

To provide a device capable of automatically extinguishing by automatically and promptly sensing fire.SOLUTION: Provided is an automatic fire sensor and a sprinkler system using no power source or battery, in which a low-temperature firing polypropylene rope is stretched on a ceiling and when the rope is burnout due to temperature of fire break-out, fire is automatically extinguished by using water stored in a polyvinyl chloride piping installed in an attic.SELECTED DRAWING: Figure 1

Description

Weak electricity is used for automatic fire detectors, but in preparation for earthquake power outages, dry battery-type fire detectors are also often used. It is known that false alarms occur frequently due to the fact that it is not possible to do so, and it has been pointed out that there is an error in the detection accuracy because both are detection methods based on electronic sensor reactions.

In November 2021, Okinawa Shurijo Castle burned down, and the function of the automatic fire detection and fire extinguishing system has become an issue. No one is responsible for the destruction of Shurijo Castle, even though it was rebuilt after a period of consultation. Currently, a lawsuit is being held regarding responsibility, but no one has been responsible for the 1995 Kobe Awaji Earthquake, which caused a huge fire in Kobe City. The technology of the automatic fire extinguishing system is complicated and difficult.

Japanese Unexamined Patent Application Publication No. 09-137482 Fire tank JP 2008-035949 Fire extinguishing equipment JP 2005-205111 Fire equipment

There are many false alarms in automatic fire detector fire extinguishing systems, and automatic fire extinguishing technology is difficult. First, it is necessary to develop technology to eliminate false alarms. However, the problem is that false alarms occur frequently because the failure of the fire detector due to the reaction of the electronic sensor is detected by the generation of smoke.

Weak electrical fire detectors detect fires based on electronic sensor reactions, but the present invention uses a polypropylene rope that burns off at low temperatures on the ceiling, and when the rope burns out due to the heat generated by the fire, the fire is automatically detected. It is a device that extinguishes fires by spraying tap water. Theoretically, fires can be extinguished without false alarms. There are many other types of ropes that can burn out at low temperatures, but I am aware that there are paints that ignite at low temperatures, but in the examples, it was confirmed that polypropylene ropes burned out due to low temperature ignition, so in the present invention, polypropylene ropes are used. It is limited.

In the case of the low-temperature ignition polypropylene rope burn-out fire detection automatic fire extinguisher, it detects the outbreak of fire and automatically extinguishes the fire using a 50 mm diameter lead-in water pipe for business use. A 50mm water pipe can extinguish a fire as large as a fire engine, unlike using a home lead-in water pipe. It is possible to extinguish even a large fire like Okinawa Shuri Castle. Fire extinguishing due to lack of water will not occur again. In contrast to conventional automatic dry battery detectors, which rely on electronic sensor reactions, this device has developed a device that can automatically extinguish a fire by burning out a polypropylene rope stretched on the ceiling. Although it is an automatic fire extinguishing system that has never existed in the past, it is certain that this system is an excellent automatic fire extinguishing system that can take responsibility for fire extinguishing even for disaster prevention equipment manufacturers.

Floor plan of PVC water storage pipe installed in the attic Plan view of perforated pipe watering pipe Plan view of polypropylene rope installation General view of automatic fire extinguishing system for rope burnout

A valve with an opening/closing operation bar (3) is attached to the porous pipe connecting the attic water storage PVC pipe (1) and the ceiling-installed porous pipe (2), and a shortened spring spring (4) is attached to the tip of the valve with an opening/closing operation bar (3). ) and set the above-mentioned valve with opening/closing operation bar (3) to the water supply stop position at the tip of the shortened spring that is further extended. A polypropylene rope (7) is stretched through the rope, and a sulfur-applied tape (8) is attached to the necessary parts of the polypropylene rope. This is an automatic fire extinguishing device that senses burnout of a polypropylene rope and automatically extinguishes fire upon sensing.

The low temperature ignition polypropylene rope of the present invention is burnt out by a fire and the automatic fire extinguishing device is activated. The valve with opening/closing operation bar automatically changes from the stop position to the water supply position, and water can be supplied completely. In the embodiment, it is certain that the polypropylene rope was burnt out by the heat generated by the fire, and the shortening action of the shortening spring automatically changed the valve operation bar from the stop position to the water supply position to supply water.
(Type of low temperature ignition material)

Cocoa ignition point (180°C) Newspaper ignition point (291°C) Rubber cord ignition point (350°C) Teflon (registered trademark) ignition point (491°C) Nylon ignition point (500°C) Epoxy ignition point (530°C) Sulfur coating ignition point (232°C) For packing Ignition point of polypropylene rope (201°C)

If the polypropylene rope burnout automatic detection type attic installed PVC piping water storage fire extinguishing system spreads, the Okinawa Shurijo Castle burnt down that occurred in 1st year of Reiwa will theoretically not occur. The reconstruction of Shurijo Castle was carried out after long-term consultations between the Agency for Cultural Affairs, the Fire and Disaster Management Agency, the Ministry of Construction, and academic experts. Despite being rebuilt using a huge amount of disaster prevention funds, Shurijo Castle burned down for unknown reasons. However, it seems that no one is responsible for the cause of the burning down, but the pursuit of the responsible person is currently under trial. The automatic fire extinguishing system is a difficult technology. From the conclusion, it is conceivable that the automatic fire detector did not work completely. The reason for this is that fire detectors based on electronic sensor reactions often fail to detect fires due to dead batteries or poor contact. Even if there is a power outage and water outage due to an earthquake, it does not use a power supply and automatically detects a fire by using a polypropylene rope burnout method and automatically extinguishes the fire. It is expected that there will be many

1 Attic water storage PVC pipe 2 Perforated pipe pipe 3 Valve with opening/closing operation bar 4 Shortened spring spring 5 Fire chamber wall 6 Rope fixture 7 Polypropylene rope 8 Sulfur coated tape 9 Fire chamber space 10 Check valve 11 Perforated pipe pipe connection port 12 main valve

Claims (1)

A valve with an opening/closing operation bar (3) is attached to the porous pipe connecting the attic water storage PVC pipe (1) and the ceiling-installed porous pipe (2), and a shortened spring (4) is attached to the tip of the valve with an opening/closing operation bar (3). ) and set the above-mentioned valve with opening/closing operation bar (3) to the tip of the spring which is further extended to the water supply stop position, and the rope fixture (6) is fixed to the ceiling of the sprinkler pipe fixed to the fireproof room wall (5). A polypropylene rope (7) is stretched through the rope, and a sulfur-applied tape (8) is attached to the necessary parts of the polypropylene rope. An automatic fire extinguisher that senses and automatically extinguishes a fire by detecting burnout of a polypropylene rope.

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