JPS62295673A - Simple automatic fire extinguishing apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to an improvement of a simple automatic fire extinguishing system that performs initial fire extinguishing using a fire extinguishing fluid in a fire extinguishing fluid storage tank.

[Prior Art] Conventionally, as one means of initial fire extinguishing, a fire detector, a fire extinguishing fluid injector, a fire extinguishing fluid storage tank, etc. are provided, and when the fire detector detects a fire, the fire extinguishing fluid in the fire extinguishing fluid storage tank is automatically at4a the fluid from the fire extinguishing fluid injector.
A simple automatic fire extinguishing system has been proposed.

[Problems to be Solved by the Invention] However, in such a simple automatic fire extinguishing system, the injection time of extinguishing fluid from the extinguishing fluid storage tank is only 15 to 15 minutes.
You only have 16 seconds, so if you are unable to extinguish the fire initially,
There was a problem in that initial firefighting had to be continued manually. Therefore, inns and the like require manpower to extinguish fires, leading to problems such as fewer people to guide the evacuation of guests.

An object of the present invention is to provide a simple automatic fire extinguishing system that can continue extinguishing a fire even after the extinguishing fluid has been sprayed from a fire extinguishing fluid storage tank.

[Means for Solving the Problems] The configuration of the present invention for achieving the above object will be explained with reference to FIGS. 1 and 2 corresponding to embodiments. ．． Fire extinguishing fluid injector5. A fire extinguishing fluid storage tank 6 is provided, and when the fire sensor 'a4 detects a fire, the fire extinguishing fluid in the fire extinguishing fluid storage tank 6 is injected into the fire extinguishing fluid jet! l) In a simple automatic fire extinguishing system adapted to automatically spray from 155, a connecting supply port 12 is installed outside the extinguishing area of the extinguishing fluid injector 5, and the above 31!
A check valve 1 is provided between the water supply port 12 and the fire extinguishing fluid tank 6.
3 and connected by a fire extinguishing fluid supply pipe 14.

[Operation of the invention] Such a simple automatic fire extinguishing device, in the event of a fire,
For example, a hose 18 connects a fire extinguishing fluid a17 such as a fire hydrant or a water faucet to the connection supply port 12. In this way, a fire extinguishing fluid such as fire extinguishing water is supplied via the fire extinguishing fluid supply pipe 14 (
However, due to the presence of the check valve 13, the extinguishing fluid from the extinguishing fluid supply pipe 14 is discharged from the extinguishing fluid injector due to pressure while the extinguishing fluid storage tank 6 has not finished injecting the stored extinguishing fluid. When the extinguishing fluid stored in the tank 6 is not supplied to the extinguishing fluid injector 5, the injection of the extinguishing fluid stored in the tank 6 ends, and the pressure decreases, and the supply of extinguishing fluid to the extinguishing fluid injector 5 starts. 5 and continues initial fire extinguishing.

[Example] Embodiments of the present invention will be described in detail below with reference to the drawings.

1 and 2 show a first embodiment of the present invention. As shown in the figure, the simple automatic fire extinguishing system of this example is
A simple automatic fire extinguishing unit 3 is installed in the ceiling L [2] of each room 1 of the building where a fire may occur. This simple automatic fire extinguishing unit]-3 is a set including a fire detection VS4, a fire extinguishing fluid injection vs5, a fire extinguishing fluid storage tank 6, a control panel 7, and a pressurized start cylinder 8. When a fire is detected, an activation signal is given via the control panel 7 to a pressurized activation cylinder 8, from which pressure is applied to the extinguishing fluid storage tank 6, discharging the liquid, powder, or gas stored therein. A fire extinguishing fluid such as a fire extinguishing fluid is automatically injected from the fire extinguishing fluid injector 5. In the case of this embodiment, the fire extinguishing fluid injector 5 includes a vertical pipe portion 5A supported so as to rotate 17 in a vertical state by a bearing portion, and a vertical pipe portion 5A.
Are they arranged radially horizontally? ! Consisting of two horizontal pipe parts 5B, a downward nozzle 5C provided downward at the lower end of the vertical pipe part 5A, and a horizontal nozzle 5D provided substantially horizontally at the tip of each horizontal pipe part 5B. The extinguishing fluid injector 5 rotates under the pressure of the extinguishing fluid injected backward from each horizontal nozzle 5D, and injects the extinguishing fluid while rotating.

A connecting supply port 12 is installed outside the fire extinguishing area of the fire extinguishing fluid injector 5, for example, on the wall surface on the hallway 11 side across the wall 10 (as shown) or outside the fire extinguishing fluid injection range. The connecting supply port 12 and the fire extinguishing fluid tank 6 are connected through a check valve 13 and a fire extinguishing fluid supply pipe 14 . Note that 15 is an indicator light indicating the position of the connection supply port 12.

In such a simple automatic fire extinguishing system, when a fire occurs in the room 1 in which the simple automatic fire extinguishing unit 3 is installed, the fire detector 4 of the room 1 detects this, and a sensing signal is sent to the control I panel 7. The pressure is then transmitted to the pressurized activation cylinder 8, and as a result, pressure is applied from the cylinder 8 into the fire extinguishing fluid storage tank 6, and the sealing plate (not shown) is broken by the pressure, causing the fire extinguishing fluid stored in the tank 6 to be released. is injected from the extinguishing fluid sprayer 5 while rotating the extinguishing fluid injector 5, and initial extinguishing is automatically performed. Employees who learned of the outbreak of fire should use the fire extinguishing fluid source (fire hydrant) 17 inside the indoor fire hydrant storage box 16,
The connection supply port 12 of the room 1 where the fire occurred is connected to the hose 18.
connection, and the supply of fire extinguishing fluid from the fire extinguishing fluid source 17 is started. However, the check valve 13 in the fire extinguishing fluid supply pipe 14
is connected, the internal pressure is high before the extinguishing fluid storage tank 6 finishes discharging the stored extinguishing fluid (for example,
(approximately 10 kg/c), the fire extinguishing fluid does not enter the tank 6 due to the action of the check valve 13. When the initial extinguishing with the stored extinguishing fluid is completed, the internal pressure of the tank 6 decreases, so the extinguishing fluid from the extinguishing fluid source 17 enters the tank 6, filling the tank 6 with the extinguishing fluid, and the pressure causes the extinguishing fluid to extinguish the fire. Fluid injector 5
Injection begins while the injector 5 is rotated, followed by initial extinguishing with extinguishing fluid. Therefore, once the connection between the fire extinguishing fluid 817 and the connection supply port 12 by the hose 18 is completed and the fire extinguishing fluid can be supplied, the employees can leave the site and leave their personnel to guide the guests. be able to.

When a fire engine arrives, extinguishing fluid can also be supplied from the fire engine.

Further, the extinguishing fluid supplied from the extinguishing fluid source 17 is not limited to simple water, but may also be extinguishing water mixed with a chemical or the like that improves extinguishing performance, extinguishing liquid, extinguishing gas, or the like.

FIG. 3 shows a second embodiment of the invention. In this embodiment, a fire detector 4 and a fire extinguishing fluid jet device (in this embodiment, a non-rotating type is shown) 5 are installed on the ceiling 2, and other fire extinguishing fluid storage tanks 6, Control panel7. The pressurizing activation cylinder 8 is installed as a simple automatic fire extinguishing unit 3 on one side of the floor of the room 1. Accordingly, the fire extinguishing fluid storage tank 6 and the fire extinguishing fluid injector 5 are connected by a fire extinguishing fluid supply pipe 20.

Even in this case, the same effect as in the first embodiment can be obtained.

FIG. 4 shows a third embodiment of the present invention. This embodiment shows an example in which the extinguishing fluid can be supplied from the connection supply port 12 without passing through the extinguishing fluid storage tank 6. Along with this, in this embodiment, the check valve 13
Another check valve 21 is provided in a portion of the fire extinguishing fluid supply pipe 20 extending from the fire extinguishing fluid storage tank 6 to the fire extinguishing fluid storage tank 6.

Even in this case, the same effects as in the first embodiment can be obtained. In this case, the presence of the check valve 21 can prevent the extinguishing fluid supplied from the connection supply port 12 from entering the extinguishing fluid storage tank 6 .

[Effect of the invention] As explained above, the simple automatic fire extinguishing device according to the present invention has the following effects:
A connecting supply port was provided outside the fire extinguishing area of the fire extinguishing fluid injector, and the connecting supply port and the fire extinguishing fluid injector were connected by a fire extinguishing fluid supply pipe via a check valve. Spraying of stored fire extinguishing fluid in a fire extinguishing fluid tank from said fire extinguishing fluid injector 1. ) Even after 1 has been completed, by connecting the connection supply port to the fire extinguishing fluid source and supplying fire extinguishing fluid, the fire extinguishing fluid can be further injected from the fire extinguishing fluid jet CM unit and the initial fire extinguishment can be continued. Can be done. Therefore, even after the extinguishing fluid stored in the extinguishing fluid storage tank has been discharged, there is no need for employees to manually start the initial extinguishing process. It becomes possible to leave the site, and it becomes possible to guide the evacuation of guests etc. without having to rely on human resources. In addition, even if the connection supply port and the fire extinguishing fluid supply pipe are connected to the fire extinguishing fluid jet r)1z in this way, the connection is made via the check valve, so the stored fire extinguishing fluid in the fire extinguishing fluid storage tank cannot be released. It has the advantage of not being a hindrance.

[Brief explanation of drawings]

1 and 2 are longitudinal sectional views and perspective views of the first embodiment of the simple automatic fire extinguishing system according to the present invention, and FIGS. 3 and 4 are the second and third embodiments of the simple automatic fire extinguishing system according to the present invention. It is a longitudinal cross-sectional view of 3rd Example. 1... Room, 2... Ceiling, 3... Simple automatic fire extinguishing unit, 4... Fire detector, 5... Fire extinguishing fluid jet)j
container, 6... fire extinguishing fluid storage tank, 10... wall, 11
... Corridor, 12... Connection supply port, 13... Check valve, 14... Fire extinguishing fluid supply pipe, 17... Fire extinguishing fluid source,
18... Hose, one... Floor, 20... Fire extinguishing fluid supply pipe, 21... Check valve. 2nd fig. 3

Claims (4)

[Claims] (1) A fire detector, a fire extinguishing fluid injector, a fire extinguishing fluid storage tank, etc. are provided, and when the fire detector detects a fire, the fire extinguishing fluid in the fire extinguishing fluid storage tank is automatically injected from the fire extinguishing fluid injector. In this simple automatic fire extinguishing system, a connecting supply port is installed outside the extinguishing area of the extinguishing fluid injector, and a check valve is provided between the connecting supply port and the extinguishing fluid injector to extinguish the fire. A simple automatic fire extinguishing device characterized by being connected by a fluid supply pipe. (2) The simple automatic fire extinguishing system according to claim 1, wherein the fire detector, the fire extinguishing fluid injector, the fire extinguishing fluid storage tank, etc. are set as a simple automatic fire extinguishing unit. (3) The simple automatic fire extinguishing system according to claim 2, wherein the simple automatic fire extinguishing unit is installed on the ceiling of a building. (4) The simple automatic fire extinguishing system according to claim 1, wherein the fire extinguishing fluid storage tank is installed on the floor side of a building.