JP2015013088A - Automatic sprinkler system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic sprinkler system capable of extinguishing a fire by being shot into a fire site or the like.SOLUTION: An automatic sprinkler system comprises: a fire extinguisher 1 having an on-off valve and an injection port 13 at the apex of a ball-shaped cylinder 11 for pushing the on-off valve to inject a fire extinguishing agent; a pushing operator 2 slidably provided with a weight with a spacer air mat 24 interposed at the leading end of the on-off valve and pushing the weight always to the side of the on-off valve by a spring; and a fuse 3 having one end connected to a desired portion of the air mat, so that the air in the air mat is discharged to the outside when the combustion position of the fuse reaches the portion connected to the air mat. The automatic sprinkler system further comprises a ball-shaped container-shaped body 4 capable of accommodating the cylinder. The container-shaped body is so mounted in the fire extinguisher as can rotate in a circumferential direction together with the cylinder while accommodating the cylinder.

Description

  The present invention relates to an automatic fire extinguishing apparatus. More particularly, the present invention relates to an automatic fire extinguishing apparatus that includes a conducting wire and automatically injects a fire extinguishing agent by igniting the conducting wire. The automatic fire extinguishing apparatus of the present invention is suitable for throwing and using, for example, when a fire mainly occurs.

  Conventionally, as an automatic fire extinguishing apparatus, an automatic fire extinguishing apparatus is proposed that includes a conducting wire and is configured to automatically inject a fire extinguishing agent by igniting the conducting wire (see, for example, Patent Document 1).

  Hereinafter, the configuration and the like of the automatic fire extinguishing device (preceding fire extinguishing device) of Patent Document 1 will be schematically described.

The preceding fire extinguishing apparatus includes a fire extinguisher, a press actuator, and a lead wire.
The fire extinguisher has an opening / closing valve and an injection port at the tip of a cylinder filled with a fire extinguishing agent, and is configured to inject the fire extinguishing agent by pressing the opening / closing valve.
The pressing actuator includes a guide frame body having a base end fixed to a tip end of a cylinder, a weight housed in the guide frame body so as to be slidable in the axial direction, and the weight cylinder. A spring that always presses to the side, and an air mat that is formed in a floating ring shape, in which air is press-fitted and interposed between the opening / closing valve and the weight.
One end of the lead wire is connected to a predetermined portion of the air mat.
By igniting the lead wire, the air in the air mat is discharged to the outside. By discharging the air in the air mat, the weight is slid by the action of a spring to press the on-off valve. Yes.

  A prior fire extinguisher has the above-described configuration, and is mainly used by being installed in an engine storage part or a kitchen of a car. Accordingly, for example, by installing and using in an engine housing part of an automobile, when a fire breaks out from the engine or the like due to a rear-end collision or a collision accident, the fire extinguisher can be automatically injected to extinguish the fire. Moreover, for example, when the oil in a tempura pan is lit and burns up by using it in an appropriate part of the kitchen, a fire extinguisher is automatically injected. Therefore, the fire can be automatically extinguished even when the oil in the pot is burned up when the tempura is left unattended from the cooking site.

JP 2005-46570 A

As described above, the preceding fire extinguisher can automatically extinguish fire by extinguishing the fire conductor by automatically injecting the fire extinguishing agent. However, the prior fire extinguishing apparatus has problems in the following points.
(1) It is effective when installed in the engine compartment or kitchen of a car, but when throwing it into a building or other fire site where a fire is occurring and performing fire extinguishing work Not suitable for use in.
(2) Since the injection direction of the extinguishing agent injected from the injection port of the fire extinguisher is limited to a certain direction, the fire extinguishing range becomes narrow.

  The present invention has been made in view of the above circumstances, and provides an automatic fire extinguishing apparatus that is suitable for being thrown into a fire site or the like and can expand the fire extinguishing range by displacing the jetting direction of the extinguishing agent. It is intended to do.

In order to achieve the above object, one of the present inventions (first invention) is an automatic fire extinguishing apparatus, which is formed in a substantially spherical shape and is located at the top of a cylinder filled with a fire extinguishing agent. A fire extinguisher having an on-off valve and an injection port, and configured to inject the extinguishing agent by pressing the on-off valve;
A guide cylindrical portion provided with a base end fixed to the top of the cylinder, a weight for pressing operation provided in the cylindrical portion so as to be slidable in the axial direction, and the weight A pressing actuator having a spring that always presses the cylinder side, and a volume variable spacer that is provided between the opening / closing valve and the weight and restricts the movement of the weight in the cylinder direction. When,
A conductor of a desired length provided by connecting one end to a desired portion of the spacer;
A container-like body formed in a substantially spherical shape with a size that can accommodate the cylinder of the fire extinguisher,
The container-like body is provided attached to the fire extinguisher so as to be rotatable with the cylinder in a circumferential direction in a state in which the cylinder of the fire extinguisher is accommodated,
When the combustion position of the lead wire reaches the connection site with the spacer, the volume of the spacer is reduced to release the regulation of the weight, and the weight slides by the action of the spring to open and close The valve is configured to be pressed. In the present invention, the term “reducing the volume” and “reducing” are used to mean “reducing the volume”.

  Another invention of the present invention (second invention) is the automatic fire extinguishing apparatus according to the first invention, wherein the container-like body is a weight for rising up at a central portion of a portion located at the bottom of the container-like body. It is characterized by having.

  Still another invention of the present invention (third invention) is the automatic fire extinguishing apparatus according to the first invention, wherein the spacer is formed of an air mat in which air is press-fitted while being roughly formed in a floating ring. The squib wire is provided with one end connected to a desired part of the air mat, and when the combustion position of the squib wire reaches the connection part with the air mat, the connection part of the air mat is opened, and the inside of the air mat is opened. The volume of the air mat is reduced by discharging the air to the outside.

  Still another invention of the present invention (fourth invention) is the automatic fire extinguishing apparatus according to the third invention, wherein the air mat includes a valve, and the lead wire is provided with one end connected to the valve, When the combustion position of the lead wire reaches the valve, the valve is opened to discharge the air in the air mat to the outside to reduce the volume of the air mat.

  Still another invention of the present invention (fifth invention) is the automatic fire extinguishing apparatus of the first invention, wherein the spacer is composed of a cylindrical body made of a highly flammable foamed resin, and the conducting wire has one end. Connected to a desired part of the cylindrical body, and when the combustion position of the lead wire reaches the connection part with the cylindrical body, the cylindrical body is burned to reduce the volume of the cylindrical body. It is configured to be reduced.

According to the present invention, the following operational effects can be obtained.
(1) When the ignition wire is ignited and the ignition position of the ignition wire reaches the connection part with the spacer, the volume of the spacer is reduced to release the restriction of the movement of the weight, and the weight is pressed by the action of the spring. Since the weight is pressed by the weight, the weight pressed by the spring moves with the momentum (moves forward), taking into account its own weight. Since it strongly strikes the on-off valve, it is possible to extinguish the fire by automatically injecting a fire extinguishing agent by reliably pressing the on-off valve.
(2) It is most suitable for use in fire extinguishing work by throwing it into a building such as a house where a fire has occurred or other fire sites.
(3) The container-like body is attached to the fire extinguisher so as to be rotatable with the cylinder in the circumferential direction in a state where the cylinder of the fire extinguisher is accommodated. Therefore, the extinguishing range can be expanded because the jetting direction of the extinguishing agent is displaced while rotating due to the jetting pressure of the extinguishing agent jetted from the jet port.
(4) According to the second invention, in addition to the effects described above, the throwing-in automatic fire extinguishing device can be raised smoothly and satisfactorily by the action of the rising weight. Therefore, the fire fighting operation can be further improved.

It is a longitudinal section explanatory side view showing roughly the composition of the automatic fire extinguishing device of one embodiment of the present invention. FIG. 2 is a cross-sectional explanatory diagram schematically showing the configuration of a part of the automatic fire extinguishing apparatus of FIG. 1. FIG. 3A is a longitudinal cross-sectional explanatory view schematically showing the configuration of the pressing actuator employed in the automatic fire extinguishing apparatus, and FIG. 3B is an explanatory view showing an operating state. It is transverse cross-sectional explanatory drawing which cut | disconnects some automatic fire extinguishing apparatuses of other embodiment of this invention, and shows the principal part of the structure schematically. It is longitudinal cross-sectional explanatory drawing which shows schematically the structure of the automatic fire extinguishing apparatus of further another embodiment of this invention. It is explanatory drawing which shows the effect | action of the automatic fire extinguisher of FIG. It is a figure which shows roughly the structure of a part of principal part of the automatic fire extinguisher of other embodiment of this invention, Comprising: The same figure (a) is longitudinal cross-sectional explanatory drawing, The same figure (b) shows an action state. It is explanatory drawing. FIG. 8 is an explanatory perspective view schematically showing a configuration of a spacer used in the pressing actuator employed in the automatic fire extinguishing apparatus of FIG. 7.

  Hereinafter, an example of an embodiment of an automatic fire extinguishing apparatus of the present invention will be described with reference to the drawings.

  1 to 3 show an automatic fire extinguishing apparatus according to an embodiment (Embodiment 1) of the present invention. As shown in these drawings, the automatic fire extinguisher 100 according to the present embodiment includes a fire extinguisher 1, a press actuator 2, a lead wire 3, and a container 4.

  The fire extinguisher 1 is formed in a substantially spherical shape, and has an opening / closing valve 12 and an injection port 13 at the top (portion located at the top) of a cylinder 11 containing a fire extinguishing agent 10 (see FIG. 3B). The fire extinguishing agent 10 in the cylinder 11 is injected from the injection port 13 by pressing the on-off valve 12.

The automatic fire extinguishing apparatus of the present invention is used by throwing it into a fire site or the like (not shown), and the size and weight of the apparatus (especially the cylinder 11) are appropriately determined in consideration of the above. The weight of the device can be set to a weight (for example, about 0.7 to about 1.5 kg) that a general human can throw, for example, about 7 to about 15 m. However, it is not limited to the above range.
The cylinder 11 can be formed to have a diameter of about 7 to about 15 cm, for example. However, it is not limited to the above range. The above points are the same in the embodiments described later.

  The pressing actuator 2 includes a guide cylindrical portion 20 having a base end (lower end in FIG. 1) fixed to a lid body 14 provided on the top of the cylinder 11 by welding or other means. A lid member 21 is fixed to the distal end (upper end in FIG. 1) of the cylindrical portion 20 by welding or other means.

  Further, the pressing actuator 2 includes a weight 22 that is housed in the guide cylindrical portion 20 so as to be slidable in an axial direction (direction approaching / separating from the opening / closing valve 12 of the cylinder 11). A spring 23 and a volume-variable spacer 24 that always press the weight 22 toward the cylinder 11, that is, the on-off valve 12 side.

  The spacer 24 is provided between the opening / closing valve 12 and the weight 22 to restrict the movement (movement) of the weight 22 in the cylinder direction. In the present embodiment, an air mat 24 a is employed as the spacer 24. In the present embodiment, a coil spring provided between the weight 22 and the lid member 21 is employed as the spring 23.

  The air mat 24 a is formed of an elastic material such as natural rubber or synthetic rubber in a substantially floating ring shape, and air is press-fitted therein, and is interposed between the on-off valve 12 and the weight 22. Thereby, the movement of the weight 22 in the direction of the on-off valve 12 is regulated by the air mat 24a.

  The air mat 24a of the first embodiment includes a valve 25, and is configured to discharge the air in the air mat 24a to the outside by opening the valve 25. Then, by discharging the air in the air mat 24a, the volume of the air mat is reduced, the restriction of the movement of the weight is released, the weight 22 is slid (advanced) by the pressing action of the spring 23, and the on-off valve As shown in FIG. 3B, the fire extinguishing agent 10 in the cylinder 11 is injected from the injection port 13 by pressing 12.

  The conducting wire 3 is formed in a desired length, and one end is connected to a desired part of the air mat 24a. By igniting the conducting wire 3, the combustion position of the conducting wire 3 reaches the connecting part with the air mat 24a. In some cases, the air in the air mat is discharged to the outside. In the first embodiment, one end of the conducting wire 3 is connected to the valve 25, and when the combustion position of the conducting wire 3 reaches the valve 25, the valve 25 is opened to discharge the air in the air mat 24 to the outside. It is.

  As described above, when the lead wire 3 is ignited and the combustion position of the wire 3 reaches the valve 25, the valve 25 is opened, and the air in the air mat 24a is discharged to the outside as shown in FIG. Thus, the weight 22 is pressed and slid, and the weight is pressed by the opening / closing valve so that the extinguishing agent 10 is injected from the injection port 13 to extinguish the fire.

  In the first embodiment, an example has been disclosed in which one end of the conducting wire 3 is provided connected to the valve 25. However, the conducting wire 3 is provided with one end connected to an appropriate part (desired part) of the air mat 24a. When the position reaches the air mat, a configuration may be adopted in which the connection portion of the air mat 24a to the squib 3 is opened by heat melting or the like, and the air in the air mat is discharged to the outside. In short, the igniting wire 3 is ignited, and when the combustion position of the wire 3 reaches a predetermined portion of the air mat, the air in the air mat may be discharged to the outside. This also applies to Embodiments 2 and 3 described later.

  The container 4 is formed in a substantially spherical shape having a size that can accommodate the cylinder 11. The container 4 is made of a metal or other hard refractory material.

  The container-like body 4 according to the first embodiment includes a fitting hole 40 that fits into a mouth portion 15 formed at the top of the cylinder 11 at a portion located at the top. The container-like body 4 of the first embodiment includes a pair of hemispherical bodies 41a and 41b obtained by dividing the spherical body into two in the longitudinal direction from the center, and the hemispherical bodies 41a and 41b are fitted into the cylinder 11 respectively. As shown, the joint is fixed by welding 42 or the like. Thereby, the cylinder 11 is accommodated in the container-like body 4, and the container-like body 4 is attached to the fire extinguisher 1 so as to be able to rotate in the circumferential direction with the cylinder 11 in this state.

  As described above, the container 4 of the first embodiment is mounted on the fire extinguisher 1 so as to be rotatable with the cylinder 11 in the circumferential direction in a state where the cylinder 11 is accommodated. Therefore, when the extinguishing agent 10 is injected from the injection port 13 by the above configuration, the extinguisher 1 and the pressing actuator 2 are rotated in the above-described direction by the injection pressure of the extinguishing agent 10 as indicated by an arrow 5 in FIG. Therefore, the injection direction of the extinguishing agent 10 is displaced while rotating. Therefore, the fire extinguishing range is expanded.

  The automatic fire extinguishing apparatus 100 according to the first embodiment is configured as described above. Next, an example of a usage method will be described.

  When the automatic fire extinguisher of the first embodiment is used, a fire is generated in a state where the lead wire 3 is ignited and thrown into a building (not shown) such as a house or other fire site.

  The automatic fire extinguishing apparatus thrown in as described above, when the combustion position of the lead wire reaches a predetermined portion of the air mat (the valve 25 in the figure), discharges the air in the air mat to the outside and opens and closes by the weight 22 by the action of the spring. The extinguishing agent 10 is injected from the injection port 13 by pressing the valve 12. When the fire extinguisher is injected, the fire extinguisher and the press actuator are rotated (rotated) in the above-described direction by the injection pressure of the fire extinguisher, so that the injection direction of the fire extinguisher is displaced while rotating. Therefore, the fire extinguishing range is expanded and the fire extinguishing work can be performed efficiently.

  In the above case, the fire conductor 3 may be thrown into a fire site or the like without being ignited. Even in this case, since the fire conductor 3 is ignited by fire at the fire site after being thrown in, it can be extinguished by acting in the same manner as described above. This also applies to each embodiment described later.

  FIG. 4 shows an automatic fire extinguishing apparatus according to another embodiment (Embodiment 2) of the present invention. In the automatic fire extinguishing apparatus according to the second embodiment, the same reference numerals are given to the same components and members as those already described in the first embodiment, and the description thereof is omitted. This also applies to each embodiment described later.

  The automatic fire extinguisher 200 according to the second embodiment is configured by fitting a pair of hemispherical bodies 41a and 41b similar to those of the first embodiment to the cylinder 11 and fixing the joints with bolts and nuts 43, screws, or the like. Other configurations are the same as those of the first embodiment.

  The automatic fire extinguisher of Embodiment 2 is configured as described above, and is used in the same manner as Embodiment 1. Thereby, the same operation effect as Embodiment 1 is exhibited.

  FIG.5 and FIG.6 shows the automatic fire extinguishing apparatus of further another embodiment (Embodiment 3) of this invention.

  The automatic fire extinguishing apparatus 300 according to the third embodiment is characterized in that a rising weight 6 is fixed by welding or the like at the central portion of the portion located at the bottom of the container-like body 4. In the third embodiment, an example is disclosed in which the weight 6 is divided into two parts and fixed to the inner part of the portion of the container 4 by welding or other means.

  As the weight of the weight 6, a weight that can raise the fire extinguisher 1, the press actuator 2, and the container 4 as a whole while the cylinder 11 is housed in the container 4 is employed. Thereby, as shown in FIG. 6, the fire extinguishing apparatus 300 is configured to always stand up and stand up like a small gambler by the action of the weight 6. Other configurations are the same as those in the first or second embodiment.

  The automatic fire extinguishing apparatus 300 according to the third embodiment is configured as described above and is used in the same manner as in the first embodiment. According to the third embodiment, the thrown-in automatic fire extinguisher stands up smoothly and satisfactorily by the action of the weight 6. Therefore, the fire fighting operation can be further improved.

  7 and 8 show an automatic fire extinguishing apparatus according to another embodiment (Embodiment 4) of the present invention. The automatic fire extinguishing apparatus 400 according to the second embodiment is characterized by the structure of the spacer.

  The spacer 70 according to the fourth embodiment includes a cylindrical body 71 made of foamed polystyrene or other highly combustible foamed resin. As shown in detail in FIG. 8, the cylindrical body 71 of the fourth embodiment is formed in a substantially cylindrical shape by providing a through hole 73 penetrating in the axial direction at the center of the columnar body 72.

  Moreover, in Embodiment 4, in order to improve the combustibility of the cylindrical body 71, as shown in FIG. 8, the explosive powder 74 is applied to the outer peripheral surface and the like (the outer peripheral surface and the upper and lower surfaces in the drawing) of the cylindrical body 71. It is provided by adhering.

  The squib 3 is connected to a desired part of the cylindrical body 71. In the fourth embodiment, an air circulation hole 75 is provided in a desired portion of the guiding cylindrical portion 20 so that the combustibility of the cylindrical body 71 is improved.

  The spacer 70 constituted by the cylindrical body 71 is provided between the on-off valve 12 and the weight 22 like the spacer 24 of the first embodiment. Thereby, when the combustion position of the lead wire 3 reaches the contact portion with the cylindrical body 71, the cylindrical body 71 is burned, and as a result, the volume of the cylindrical body 71 is reduced (the volume is reduced) and overlapped. The restriction of the movement of the weight 22 is released, the weight 22 is slid (advanced) by the pressing action of the spring 23, and the on-off valve 12 is pressed to inject the fire extinguisher in the cylinder 11. . Other configurations are the same as those in the first to third embodiments.

  The automatic fire extinguishing apparatus according to the fourth embodiment is configured as described above and is used in the same manner as in the first embodiment, and has the same effects as those in the first embodiment.

  In the above-described embodiment, the spacer configured by the air mat 24a (Embodiment 1) and the foamed resin cylindrical body 71 (Embodiment 4) is disclosed, but a spacer having a configuration other than the above is employed. You can also. In short, it is installed between the on-off valve and the weight, and when the combustion position of the lead wire reaches the contact area with the spacer, the volume of the spacer is reduced to restrict the movement of the weight in the cylinder direction. What is necessary is just to comprise so that it may cancel | release.

  Moreover, the automatic fire extinguishing apparatus of the above-described embodiment is disclosed as an example, and the present invention is not limited to the above-described embodiment, and can be arbitrarily set within the scope not departing from the technical idea described in the claims. It can be changed.

DESCRIPTION OF SYMBOLS 1 Fire extinguisher 2 Press actuator 3 Fire conductor 4 Container-like body 6 Weight 10 Extinguishing agent 11 Cylinder 12 On-off valve 13 Injection port 22 Weight 23 Spring 24 Spacer 24a Air mat 25 Valve

Claims (5)

A fire extinguisher that is formed in a substantially spherical shape, has an on-off valve and an injection port at a portion located at the top of a cylinder filled with a fire extinguishing agent, and is configured to inject the extinguishing agent by pressing the on-off valve When,
A guide cylindrical portion provided with a base end fixed to the top of the cylinder, a weight for pressing operation provided in the cylindrical portion so as to be slidable in the axial direction, and the weight A pressing actuator having a spring that always presses the cylinder side, and a volume variable spacer that is provided between the opening / closing valve and the weight and restricts the movement of the weight in the cylinder direction. When,
A conductor of a desired length provided by connecting one end to a desired portion of the spacer;
A container-like body formed in a substantially spherical shape with a size that can accommodate the cylinder of the fire extinguisher,
The container-like body is provided attached to the fire extinguisher so as to be rotatable with the cylinder in a circumferential direction in a state in which the cylinder of the fire extinguisher is accommodated,
When the combustion position of the lead wire reaches the connection portion with the spacer, the volume of the spacer is reduced to release the restriction of the weight, and the weight slides by the action of the spring, so that the opening and closing is performed. An automatic fire extinguishing device, characterized by being configured to press a valve.   The automatic fire extinguishing apparatus according to claim 1, wherein the container-like body includes a weight for rising up at a central portion of a portion located at the bottom of the container-like body. The spacer is formed of an air mat that is generally formed on a floating ring and air is press-fitted inside, and the lead wire is provided with one end connected to a desired portion of the air mat, and the combustion position of the lead wire is the 2. The structure according to claim 1, wherein when the connection portion with the air mat is reached, the connection portion of the air mat is opened and the air in the air mat is discharged to the outside to reduce the volume of the air mat. Automatic fire extinguishing device as described.   The air mat is provided with a valve, and the lead wire is provided with one end connected to the valve, and when the combustion position of the lead wire reaches the valve, the valve is opened to discharge the air in the air mat to the outside. The automatic fire extinguishing apparatus according to claim 3, wherein the volume of the air mat is reduced.   The spacer is composed of a cylindrical body made of a flammable foamed resin, and the fire conductor is provided with one end connected to a desired part of the cylindrical body, and the combustion position of the fire conductor is the same as that of the cylindrical body. The automatic fire extinguishing apparatus according to claim 1, wherein the tubular body is configured to burn to reduce the volume of the tubular body when the connection portion is reached.

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