JP3217796U - Automatic fire extinguisher and simple sprinkler - Google Patents

Abstract

An automatic fire extinguisher that can be installed simply and at low cost and a simple sprinkler using the automatic fire extinguisher are provided. SOLUTION: A pressure-resistant bottle 1 filled with an appropriate amount of fire extinguishing liquid and high-pressure air, a T-shaped passage is provided inside, one end of the opening is connected to an opening portion of the pressure-resistant bottle, and a check valve is provided at a branch port. An automatic fire extinguisher composed of an attached high pressure air supply body 2 and a heat release type nozzle body 3 connected to the other opening end of the supply body is provided in an opening B1 provided in the ceiling B, and an injection port of the nozzle body 3 The nozzle body 3 is installed at a desired position in the room below, while being installed on the back of the ceiling as desired. [Selection] Figure 3

Description

  The present invention relates to an automatic fire extinguisher and a simple sprinkler using the fire extinguisher.

  A simple sprinkler (automatic fire extinguishing device) as an initial fire fighting measure is not a system that covers the entire facilities installed in hotels, but is installed on the ceilings and walls in the vicinity of the stove, especially in the stove, to prevent fires (high temperature atmosphere). Upon detection, a digestive agent or the like is sprayed / sprayed, and installation tools with various configurations are proposed.

  For example, Patent Literatures 1, 2, and 3 include a fire extinguisher tank and a pressure cylinder for injection, a cylinder equipped with a heat detection on-off valve mechanism or a firing mechanism for opening a pressurized medium tank, and a normal pressure storage fire extinguisher with high-pressure gas. The simple sprinkler which installs the automatic fire extinguisher which injects in the ceiling of a kitchen is disclosed.

JP-A-2005-137493. JP 2006-102410 A. JP 2013-34719 A.

  When a small automatic fire extinguisher with a combination of digester tank and injection pressure cylinder is installed on the ceiling, etc., downsizing is required, but piping for heat detection and fire extinguishing agent injection must be incorporated in the automatic fire extinguisher device Therefore, there is a limit to downsizing and a corresponding increase in cost.

  Therefore, the present invention proposes an automatic fire extinguisher that can be easily installed at low cost and a simple sprinkler using the automatic fire extinguisher.

  A simple automatic fire extinguisher according to claim 1 of the present invention is provided with a pressure-resistant bottle filled with an appropriate amount of fire-extinguishing liquid and high-pressure air, a T-shaped passage inside, and one end of the opening at an opening portion of the pressure-resistant bottle. The high-pressure air supply body is connected and a check valve is attached to the branch port, and the heat release type nozzle body is connected to the other opening end of the supply body.

  Filling the pressure-resistant bottle with the above-mentioned extinguishing liquid is performed by injecting an appropriate amount of the fire-extinguishing liquid into the open pressure-resistant bottle, attaching the supply body and the nozzle body, and sending high-pressure air from the check valve. Done.

  Moreover, the simple automatic fire extinguisher according to claim 2 of the present invention uses an existing 1-liter PET bottle for carbonated beverages as a pressure-resistant bottle, and effectively uses an existing PET bottle that is separated as waste. Can be used to contribute to cost reduction.

  In addition, the simple sprinkler according to claim 3 of the present invention is such that the supply body is made of ultra high molecular weight polyethylene, and has excellent durability and chemical resistance against fire extinguishing liquid, and can withstand long-term use. .

  A simple sprinkler according to the present invention is the above-described automatic fire extinguisher, which is installed on the ceiling behind an opening provided in the ceiling so that the nozzle body jets are desired, or is held by an appropriate holding body, and the nozzle body is It is characterized by being installed at a desired position in the room below.

  Thus, when a fire breaks out (when heat is detected), the closed part of the nozzle body is deformed or melted to become an open state, the fire extinguishing liquid is pushed out by the high-pressure air in the PET bottle, and the fire extinguishing liquid is discharged from the nozzle body. It is to be sprayed.

  The configuration of the present invention is as described above, and a low-cost simple sprinkler can be provided by using a low-cost automatic fire extinguisher having a small and simple structure.

Explanatory drawing of the filling procedure of the fire extinguisher etc. to the automatic fire extinguisher of embodiment of this invention. Explanatory drawing of the supply body. Explanatory drawing of the same installation example (ceiling installation). Fig. (Installation using holding body).

  The automatic fire extinguisher A shown in the embodiment of the present invention includes a pressure-resistant bottle 1, a supply body 2, and a nozzle body 3. The pressure-resistant bottle 1 reuses a used 1 liter PET bottle for carbonated beverages. To do.

  The supply body 2 is made of ultra-high molecular weight polyethylene (trade name: Newlite resin) and is provided with a T-shaped passage 21 in an appropriate interior, and the opening of the pressure-resistant bottle 1 is formed at one opening end of the T-shaped passage 21. A bottle screwing portion 22 coinciding with the screw portion 11 is provided, a mounting screwing portion 23 of a nozzle body 3 to be described later is provided at the other end, and a check valve (pre-made component) 25 is attached to the branch port 24. is there.

  The nozzle body 3 is a so-called heat release type sprinkler head, and employs a ready-made product in which the closing portion is deformed or melted by heat to be in an open state. A screw portion 31 to be screwed and attached to the cover body 4 described later is provided. It is provided.

  The pressure-resistant bottle 1 of the automatic fire extinguisher A is filled with a fire extinguishing liquid a and high-pressure air (about 3 atm). The filling procedure is as follows. 500 cc) of fire extinguishing liquid a is injected (FIG. 1A).

  Next, the supply body 2 and the nozzle body 3 are screwed and attached, and the high-pressure air supply device (a supply nozzle c connected to an air cylinder is connected to the check valve 25) with the check bottle 25 standing upright. And a supply nozzle c (which is provided with an opening / closing valve in the middle of the supply hose b) is connected to fill high pressure air. A corrosion-resistant seal packing 12 is interposed between the supply body 2 and the opening of the plastic bottle 1.

  The simple sprinkler is for installing the automatic fire extinguisher A filled with the above-described fire extinguishing liquid a and high-pressure air in a desired room, but in the case of installation on the back of the ceiling, an appropriate opening B1 on the ceiling board B. And a predetermined cover body 4 is attached to the opening B1.

  The cover body 4 includes a disc-shaped cover plate 41 and a cylindrical portion 42 corresponding to the opening B1 at the center of the cover plate 41. The cover plate 41 has a structure to be fixed to the ceiling plate B, and the cylindrical portion 42 is provided. Is formed by engraving a screw for screwing the screw portion 31 of the nozzle body 3 on the inner peripheral surface.

  Thus, the cover body 4 is fixed to the ceiling board B, the nozzle body 3 of the automatic fire extinguisher A is turned downward and screwed into the cylindrical portion 42, and the automatic fire extinguisher A is installed in the attic (FIG. 3).

  Therefore, when a fire occurs in the room (when heat is detected), the closed portion of the nozzle body 3 is deformed or melted to become an open state, and the fire-extinguishing liquid a in the pressure-resistant bottle (pet bottle) 1 is pushed out by high-pressure air. The water is sprayed from the nozzle body 3 to extinguish the fire.

  In order to install the automatic fire extinguisher A in the room, an appropriate holding body 5 is used. For example, the holding body 5 includes a base plate portion 51, a shoulder holding portion 52, and a connecting string 53. The base plate portion 51 includes a peripheral plate provided with a fixing means (for example, a screw hole) to the ceiling plate B, and the PET bottle 1. The fitting part which fits the bottom part of this is provided.

  The shoulder holding portion 52 is formed of a metal wire or a string material, and is attached so as to surround the shoulder portion of the plastic bottle 1, and the connecting string 53 is connected to the fitting portion of the base plate portion 51 and the shoulder holding portion. The parts 52 are connected to integrate the automatic fire extinguisher A and the holding body 5 together.

  Thus, the automatic fire extinguisher A to which the holding body 5 is attached is installed indoors with the base body 51 fixed to the ceiling board B, with the nozzle body 3 facing downward (FIG. 4B). Therefore, in the event of a fire, the nozzle body 3 is in an open state, and the fire extinguishing liquid a in the pressure-resistant bottle (pet bottle) 1 is pushed out by high-pressure air and sprayed from the nozzle body 3 to extinguish the fire.

  The automatic fire extinguisher A can be installed not only on the ceiling plate but also on the wall surface of the room. However, when installing the automatic fire extinguisher A, it is necessary to consider the jetting direction of the fire extinguishing liquid in the event of a fire.

A automatic fire extinguisher 1 pressure-resistant bottle (pet bottle)
11 Screw part 12 Seal packing 2 Supply body 21 T-shaped passage 22 Bottle screwing part 23 Mounting screwing part 24 Branch port 25 Check valve 3 Nozzle body 31 Screw part 4 Cover body 41 Cover plate 42 Cylindrical part 5 Holding body 51 Base plate portion 52 Shoulder holding portion 53 Connecting string B Ceiling plate

Claims (5)

  A pressure-resistant bottle filled with an appropriate amount of fire-extinguishing liquid and high-pressure air, and a T-shaped passage inside, one end of the open end connected to the opening of the pressure-resistant bottle, and a check valve attached to the branch port An automatic fire extinguisher comprising a supply body and a heat release type nozzle body connected to the other opening end of the supply body.   The automatic fire extinguisher according to claim 1, wherein the pressure bottle is an existing 1-liter PET bottle for carbonated beverages.   The automatic fire extinguisher according to claim 1 or 2, wherein the supply body is formed of ultra high molecular weight polyethylene.   A simple sprinkler, wherein the automatic fire extinguisher according to any one of claims 1 to 3 is installed on the back of the ceiling with an opening of the nozzle body desired for an injection port of the nozzle body.   A simple sprinkler, wherein the automatic fire extinguisher according to any one of claims 1 to 3 is held by an appropriate holding body, and the nozzle body is installed at a desired position in the room below.