JPH10277175A - Automatic fire extinguishing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the subject apparatus capable of guiding an alarm to the outside and guiding out an extinguishing agent by sounding an alarm signal to the outside when a fire having occurred at a specified apparatus reaches the first level, and sounding fire extinguishing signal in order to giving out the fire extinguishing agent when the fire proceeds to reach the second level. SOLUTION: For example, when a fire comes out of an operation part at a tip of drill in a factory or the like, its smoke is detected by a first fire detecting means 5 and a first fire detection signal is output therefrom to a control means 4. The means 4 informs the occurrence of fire to a company in charge of the guard or the like through an informing and alarming means 3. Then, the staff (s) of the company comes and works to extinguish the fire. When the fire proceeds, the second fire detection means 6 detects it to output a second fire detection signal, then according to the signal the control means 4 makes the means 3 inform and alarm it as well as output a fire extinguishing signal to make the radiation of fire extinguishing agent from a radiation head, thereby performing the fire extinguishing operation. Accordingly, corresponding to the level of fire, alarming thereof and an rely fire extinguishing operation can be made.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic fire extinguisher for detecting, extinguishing and reporting a fire caused by a specific device.

[0002]

2. Description of the Related Art In recent years, with the advance of technology, machine tools are often operated at night in a factory or the like in an unmanned situation. The machine tool has a risk of causing a fire due to abnormal heating. As a countermeasure against fires caused by machine tools during unmanned times, a fire detector is installed near the machine tools, and in the event of a fire, a notification is sent to a security company, etc. There is. There is also a fire extinguishing system in which a fire extinguishing agent is emitted in conjunction with fire detection by a fire detector.

[0003]

However, in a system for notifying a security company, a fire may be in progress even when the response staff rushes, and may be delayed. In a fire extinguishing system in which a fire extinguishing agent is radiated in conjunction with fire detection by a fire detector, a fire extinguishing agent is radiated each time the fire detector is activated. Fire extinguisher wasted. In addition, when a fire extinguishing agent is emitted during the operation of the machine tool, the fire extinguishing agent may cause the machine tool to break down.
It is an object of the present invention to provide an automatic fire extinguisher that emits a fire extinguisher when necessary, while reporting a fire to a security company or the like.

[0004]

According to a first aspect of the present invention, there is provided an automatic fire extinguishing apparatus for detecting a fire caused by a specific device, and extinguishing and reporting the fire. Therefore, fires caused by specific equipment are the first
A first fire detection means for detecting that the fire level has been reached and outputting a first fire detection signal; and a first fire detection means for causing a fire caused by a specific device to cause the fire to proceed beyond the first fire level. (2) A second fire detection means for detecting that the fire level has been reached and outputting a second fire detection signal; A fire extinguishing unit that radiates, a reporting unit that outputs a reporting signal to the outside when a reporting signal is input, and a first fire detecting unit that is connected to the first fire detecting unit, the second fire detecting unit, the fire extinguishing unit, and the reporting unit. And a control means for outputting a notification signal when the second fire detection signal is input and outputting at least a fire extinguishing signal when the second fire detection signal is input. 2. The automatic fire extinguisher according to claim 1, wherein the control unit transmits an operation stop signal to a specific device when the first fire detection signal or the second fire detection signal is input. It is. According to claim 3, the first fire detecting means is a smoke detector for detecting a fire by smoke, and the second fire detecting means is a film sensor for detecting a fire by burning off a conductor provided on a thin film. The automatic fire extinguisher according to claim 1 or claim 2. According to a fourth aspect of the present invention, there is provided the automatic fire extinguisher according to the third aspect, wherein a smoke collecting means is provided near the smoke detector.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automatic fire extinguisher according to the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of an embodiment of an automatic fire extinguishing device including the constituent features of claims 1, 2, and 3 of the present invention.
When manually operated, the manual operation means 1 outputs a manual operation signal. Fire extinguishing means 2 emits a fire extinguishing agent when a fire extinguishing signal is input. The fire extinguishing means 2 is directed to a portion presumed to be a firing point. When the notification means 3 receives the notification signal,
Report a fire to a security company (not shown). The first fire detection means 5 detects that a fire caused by the specific device has reached the first fire level, for example, that smoke has been generated, and outputs a first fire detection signal. Second fire detection means 6
Detects that a fire caused by a specific device has reached a second fire level in which the fire has progressed beyond the first fire level, for example, the occurrence of a flame, and generates a second fire detection signal. Output. When the notification signal is input, the notification means 7 notifies the fire by voice or the like near the site. The specific device 8 stops operating when the operation stop signal is input. The first fire detecting means 5 and the second fire detecting means 6 are a smoke detector for detecting a fire by smoke and a film sensor for detecting a fire by burning off a conductor provided in a thin film, respectively. . Smoke detectors can detect fires earlier than other fire detectors because they can detect fires using smoke before the flame starts, so they can detect fires earlier. Since the film sensor detects a fire by burning out a conductor provided on the thin film, it does not generate a false alarm. The control unit 4 includes a manual operation unit 1, a fire extinguishing unit 2, a reporting unit 3, a first fire detecting unit 5, a second fire detecting unit 6, a notifying unit 7, and a specific device 8.
The operation will be described later with reference to the flowcharts of FIGS. FIG. 2 is a block diagram showing a configuration of an embodiment of the automatic fire extinguishing apparatus including the constituent features of claim 4 of the present invention. The manual operation means 1, fire extinguishing means 2, notification means 3, first fire detection means 5, second fire detection means 6, notification means 7, specific device 8, and control means 4 are the same as those in FIG. I do. The smoke collecting means 9 is installed in the vicinity of the smoke detector which is the first fire detecting means 5, so that the generated smoke is easily collected in the smoke detector, so that the smoke detector can surely detect the fire.

FIG. 5 is a simplified diagram showing an overview of the embodiment. In a factory or the like, the drill that is the specific device 8 is operating in the working unit 10 even during unattended nighttime. A smoke detector as the first fire detecting means 5 is installed above the drill, and a smoke hood as the smoke collecting means 9 is attached to the smoke detector. In the vicinity of the drill, a film sensor as a second fire detecting means is attached. The radiation head, which is the fire extinguishing means 2, is installed toward the tip of the drill during operation. The manual switch, which is the manual operation means 1, is installed at a height which is easy for a person to operate, and the fire extinguishing agent can be emitted from the emission head if manually operated as needed. A speaker, which is a notification means 7, is installed to a certain extent from the drill, and when a fire occurs, the fire is notified in the vicinity of the site by a voice such as "Fire has started." The control means 4 is connected to a manual switch, a radiation head, a smoke detector, a film sensor, a speaker and a drill. The reporting means 3 is connected to the control means 4 and reports a fire to a security company or the like by inputting a reporting signal.

[0007]

Embodiment 1 The operation of the automatic fire extinguisher according to claim 1 of the present invention will be described with reference to the flowchart of FIG. In a factory or the like, when a fire occurs from an operating portion at the tip of a drill during unmanned operation such as at night, a smoke detector or a film sensor detects the fire. When the smoke detector detects a fire, the control means 4 outputs a notification signal to the notification means 3 in response to the input of the first fire detection signal from the smoke detector, and outputs the notification signal.
Reports a fire to a security company or the like (S1, S4). A firefighting activity or the like by a response staff dispatched from the security company or the like that has received the report can promptly respond to the fire. At this time, appropriate measures are taken by the response personnel, so that fire extinguishing damage and waste of the extinguishing agent due to unnecessary radiation of the extinguishing agent can be avoided. When the film sensor detects a fire before the smoke detector, the control means 4 outputs a notification signal to the notification means 3 by inputting the second fire detection signal from the film sensor, and outputs a fire extinguishing signal to the radiation head. The fire extinguishing agent is emitted from the radiation head (S2, S3). When the film sensor detects a fire, it is highly likely that the fire has already progressed to some extent. Therefore, it is appropriate to perform the fire extinguishing operation as soon as possible regardless of the on-site pollution due to the emission of the fire extinguishing agent. After the security company was notified in S4,
When the control means 4 is reset by the operator or the like, a series of operations ends (S5). If the fire is detected by the film sensor before the control means 4 is reset, the same operation as when the fire is detected by the film sensor is performed (S
2, S3). In addition, in the case of a man, when it is necessary to emit a fire extinguisher even when the smoke detector and the film sensor do not detect a fire, the fire extinguisher can be emitted by operating a manual switch.

[0008]

Second Embodiment The operation of the automatic fire extinguisher according to the second, third and fourth aspects of the present invention will be described with reference to the flowchart of FIG. The operations in S1, S2, and S5 in FIG. 4 are the same as the operations in S1, S2, and S5 in FIG. In the operations of S3 and S4 in FIG. 4, in addition to the operations of S3 and S4 in FIG. 3, the operation of the drill is stopped because the control unit 4 transmits an operation stop signal to the drill. This can prevent the drill from breaking down due to the fire extinguishing agent, and can prevent the spread of the fire by stopping the operation of the drill tip, which is the heat source. In addition, in the case of a man, when it is necessary to emit a fire extinguisher even when the smoke detector and the film sensor do not detect a fire, the fire extinguisher can be emitted by operating a manual switch.

The first fire detecting means and the second fire detecting means are not limited to smoke detectors and film sensors, but may be fire detectors utilizing ultraviolet rays, infrared rays, bimetals, expansion of air, images and the like. Good. Further, the notification means may be a means for notifying the fire by a buzzer sound, light, or the like, instead of sound. Further, the specific device is not limited to the drill, but may be any device that can cause ignition, such as an electric saw.

[0010]

As described above, according to the automatic fire extinguisher of the present invention, when the first fire detecting means detects a fire, only the notification is sent to a security company, etc., and the second fire detecting means is fired. When a fire extinguisher is detected, fire extinguishing agent is emitted, so that fire extinguishing damage and waste of fire extinguishing agent due to unnecessary emission of the fire extinguishing agent can be avoided, and appropriate measures can be realized. Further, when a fire is detected by the first fire detecting means or the second fire detecting means, the operation of the specific device causing the fire is stopped, so that the failure of the specific device and the spread of the fire can be prevented. Furthermore, since the first fire detection means is a smoke detector,
Since the fire can be detected by the smoke before the occurrence of the flame, it is possible to detect the fire early. Further, since the second fire detecting means is a film sensor, occurrence of false alarm can be reduced.
Furthermore, by attaching smoke collection means to the smoke detector,
The generated smoke is more likely to collect at the smoke detector, and the fire can be reliably detected.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of an automatic fire extinguisher including the constituent features of claims 1, 2 and 3.

FIG. 2 is a block diagram showing a configuration of an embodiment of an automatic fire extinguisher including the components of claim 4;

FIG. 3 is a flowchart illustrating an operation of the automatic fire extinguisher according to the first embodiment.

FIG. 4 is a flowchart illustrating an operation of the automatic fire extinguisher according to the second embodiment.

FIG. 5 is a simplified diagram showing an overview of an embodiment.

[Explanation of symbols]

 Manual operation means 1 Fire extinguishing means 2 Notification means 3 Control means 4 First fire detection means 5 Second fire detection means 6 Notification means 7 Specific equipment 8 Smoke collection means 9 Working part 10

Claims (4)

[Claims] An automatic fire extinguishing device that detects a fire caused by a specific device and causes fire extinguishing and notification, and detects that a fire caused by a specific device has reached a first fire level. A first fire detection means for outputting a first fire detection signal, and detecting that a fire caused by the specified device has reached a second fire level in which the fire is more advanced than the first fire level. A second fire detection means for outputting a second fire detection signal, a fire extinguishing means fixed to a portion presumed to be a firing point and emitting a fire extinguishing agent when a fire extinguishing signal is input, and a notification signal input The first fire detection means, the second fire detection means, the fire extinguishing means, and the notification means are connected to the notification means for outputting a notification signal to the outside when the first fire detection signal is input, and the notification signal is output when the first fire detection signal is input. When the second fire detection signal is input Automatic fire extinguishing system, characterized in that and a control means for outputting a fire extinguishing signal even without. 2. The automatic fire extinguisher according to claim 1, wherein the control unit transmits an operation stop signal to a specific device when the first fire detection signal or the second fire detection signal is input. . 3. The first fire detection means is a smoke detector for detecting a fire by smoke, and the second fire detection means is a film sensor for detecting a fire by burning a conductor provided on a thin film. The automatic fire extinguisher according to claim 1 or 2, wherein: 4. The automatic fire extinguisher according to claim 3, wherein a smoke collecting means is provided near the smoke detector.