JPH10113404A - Fire extinguisher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable to discharge water securely to a fire and the vicinity of a fire breaking-out point even in a bad visual condition, by inputting detected signals of a rotation angle, an elevation angle, water pressure, a water discharging rate of a water gun into a water reaching point calculation device and calculating the water reaching point from the water gun to display the water reaching point on a display. SOLUTION: Infrared ray intensity of garbage 14 in a garbage pit 13 is measured by a temperature distribution detector 11 to judge whether the garbage is in a fire breaking out condition or not from the temperature distribution on the surface of the garbage 14. When detection signals of fire breaking out and its area are inputted from a fire detector 12, a control device 2 drives a water reaching point calculation device 3 of the control device 2 and a water gun 1 by a drive part 6 based on calculation signals from the calculation device 3 to discharge water to the surface of the garbage 14. The water reaching point calculation device 3 calculates the water reaching point based on detection signals of a detector 7 and 8 for a rotation angle and an elevation angle of the water gun, a water pressure detector 9, and a flow rate detector 10 and display the water reaching point on a display 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguisher using a water discharge gun, and more particularly to a fire extinguisher using a water discharge gun for extinguishing a fire generated in a waste pit of a waste incineration plant.

[0002]

The municipal waste and industrial waste transported to the waste incineration plant are temporarily stored in a storage tank called a waste pit. In the garbage pit, a fire may suddenly occur due to the fact that a kind of fire enters the garbage or gas is generated from the garbage.

[0003] However, since the recent incineration plants have been increasingly automated, humans are often absent in the vicinity of the waste pits. Is becoming less common. In order to cope with such a problem, there has been proposed an automatic fire extinguishing system that automatically detects the occurrence of a fire and extinguishes the fire with an automatic fire extinguishing device, one of which is a fire extinguishing device using a water discharge gun device. .

In a fire extinguisher using this water gun, after a fire is discovered, an operator operates a water gun, which is being passed by the operating device, up, down, left, and right so that the water hits the ignition point. That is, the instruction signal from the operation device is input to the control device, and the control device controls the drive unit of the water spray gun in accordance with the instruction signal, and the drive unit extinguishes the fire in the water gun in the designated direction. When the fire is extinguished, the operator confirms this, stops the water discharge by the water spray gun, and ends the fire extinguishing activity.

However, in the conventional fire extinguisher using a water discharge gun, when a fire occurs and the fire is extinguished by the water discharge gun, the vicinity of the fire occurrence point becomes invisible due to water vapor and smoke generated during the fire extinguishing. In the manual fire extinguishing as described above, there is a problem that it is difficult to visually check whether or not water is accurately discharged at the fire occurrence point.

In order to overcome the disadvantages of the prior art,
As one of the automatic fire extinguishing devices in the above-mentioned waste pit, the invention of JP-A-3-73172 has been proposed.
This invention detects the temperature distribution over the entire surface of the refuse stored in the refuse pit with an infrared camera, and controls the automatic water discharge gun device with a control device based on the detection signal from this camera, and detects the refuse surface. Although it is intended to discharge water toward a high-temperature area, the control means of the automatic water discharge gun device is not disclosed in such prior art, and only the direction of the automatic water discharge gun device is controlled. However, the discharge point of the water discharge flow varies depending on the water pressure and flow, and effective fire extinguishing cannot be performed.

FIGS. 3 and 4 show the relationship between the fire range and the fire extinguishing state (FIG. 3 shows a case where the fire range is wide and FIG. 4 shows a narrow case). Changes in the turning angle and elevation angle of the gun device Changes in the landing point (maximum precipitation) 15 and the precipitation distribution 14 due to changes in the pressure and flow rate of the water discharge, and also changes the fire range 17. For this reason, at the time of automatic fire extinguishing, it is difficult to discharge water so that the water discharge range and the fire range 17 match.

In view of the problems of the prior art, the present invention can accurately detect the landing point of water discharge even when visibility near the fire occurrence point is extremely poor due to water vapor or smoke, and enables more accurate water discharge. It is a first object of the present invention to provide a fire extinguisher capable of extinguishing a fire early and minimizing fire damage.

A second object of the present invention is to provide a fire extinguisher capable of performing water discharge such that a water discharge range matches a fire range by controlling a landing point (maximum precipitation point) and a precipitation distribution.
The purpose of.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a water spray gun device for discharging water toward a fire generating unit, a drive unit for driving the water spray gun device, and a water discharge device for the drive unit. A fire extinguisher equipped with a control device that outputs a driving command for the gun device, wherein a water gun turning angle detector and a water gun elevation angle detector that detect a water gun turning angle and a water gun elevation angle of the water gun device, respectively. A water pressure detector and a flow rate detector that respectively detect a water discharge pressure and a water discharge flow rate from the water discharge gun device, and detection signals from the respective detectors are input, and water discharge from the water discharge gun device is performed based on the detection signals. The present invention provides a fire extinguisher characterized by comprising a landing point calculating device for calculating a landing point of the above, and a display device for displaying the calculated landing point.

[0011] It is preferable that an operation device for an operator to manually operate the water discharge gun device is connected to the water discharge gun device.

According to this invention, when the detection signals of the turning angle and the elevation angle, the water discharge pressure, and the water discharge flow rate of the water discharge gun device are input to the landing point calculation device, the calculation device performs the processing based on these detection signals. In addition to calculating the landing point of the water discharge from the water discharge gun device, since the calculation result of the landing point of the water discharge is displayed on the display device, it is possible to correctly detect in which area the water is landed, and more accurate water discharge Is possible.

[0013] With this, even when the visibility near the fire occurrence point is poor due to water vapor or smoke due to the fire and fire extinguishing, the fire extinguishing operator can recognize the landing point displayed on the display device. In operation, accurate water discharge can be performed at the ignition point, and the fire can be extinguished early by accurately recognizing the landing point. Therefore,
Even if a fire extinguishing worker is absent, the spread of the fire can be prevented by automatically detecting the occurrence of the fire and activating the water spray gun device.

According to a second aspect of the present invention, in addition to the first aspect, a temperature distribution detector for detecting a temperature distribution around the fire-problem portion and its surroundings, and a fire-producing device based on the detection signal of the temperature distribution. A fire detection device for detecting the presence or absence of a fire, and detecting a fire occurrence position when a fire has occurred, and inputting the detected position to the control device, wherein the control device performs a fire generation signal from the fire detection device. Is input, water is discharged to the water spray gun device via the drive unit, and a high-temperature region of the temperature distribution is defined as a water landing point, and a water landing point is set so that water is discharged at the water landing point. The arithmetic device is driven to control the water spray gun swivel angle, the water spray gun elevation angle, the water discharge water pressure and the water discharge flow rate based on the signal from the arithmetic device, while the display device displays the temperature distribution changed by the water discharge. Configured as Apparatus is in.

According to this invention, the fire occurrence detecting device determines whether or not a fire has occurred from the temperature distribution around the fire-possible portion and its surroundings detected by the temperature distribution detector, and the temperature distribution is displayed on the display device. Will be displayed.

When the fire detection device detects the occurrence of a fire, the position of the fire occurrence is also detected and input to the control device. The control device receives the fire detection position and discharges water through the drive unit. Driving the gun device and letting the water discharge to the ignition point of the fire, and defining the high temperature area of the temperature distribution as the landing point,
The landing point arithmetic unit is driven so that water is discharged at the landing point, and based on a signal from the arithmetic unit, a water gun turning angle,
By controlling the water spray gun's elevation angle, water discharge pressure and water discharge flow rate, it is possible to discharge water more accurately and to extinguish the fire early.

Further, since the display device is configured to display the temperature distribution that changes due to the water discharge, the fire extinguishing state can be easily grasped, and if the fire extinguishing is delayed, another method is adopted. It is also possible to make accurate decisions in a timely manner.

Further, according to a third aspect of the present invention, there is provided a water spray gun device for discharging water toward a fire generating portion, a driving portion for driving the water spray gun device, and a driving device for driving the water spray gun device on the driving portion. A fire extinguisher provided with a control device for outputting a command, wherein the water spray gun turning angle detector and the water spray gun elevation angle detector for detecting the water spray gun turning angle and the water spray gun elevation angle of the water spray gun device, respectively, and the water spray gun A water pressure detector and a flow rate detector that respectively detect a water discharge pressure and a water discharge flow rate from the device, a temperature distribution detector that detects a temperature distribution around a fire-producing portion and its surroundings, and a detection of a fire occurrence from a detection signal of the temperature distribution. In addition to determining the presence or absence, when a fire has occurred, a fire detection device that detects the fire position and the fire range, and a detection signal of the fire position and the fire range from the fire detection device are input,
A rainfall distribution control device that determines a landing point and a rainfall distribution based on the detection signal so that a water discharge range and a fire range match; and a water discharge corresponding to the waterfall point and the rainfall distribution determined by the rainfall control device. A fire extinguisher is provided, comprising: a precipitation distribution calculation device that calculates a gun turning angle, a water discharge gun elevation angle, a water pressure and a flow rate, and transmits the calculated result to the control device via the precipitation distribution control device.

According to the invention, in the precipitation distribution control device, the landing point and the rainfall are set so that the water discharge range of the water discharge gun device coincides with the fire range based on the fire position signal and the fire range signal from the fire detection device. The distribution is determined and transmitted to the precipitation distribution calculation device.

The rainfall distribution calculating device calculates a water discharge gun turning angle and an elevation angle, a water discharge pressure and a flow rate corresponding to the landing point and the rainfall distribution based on the transmission signal, and controls the rainfall distribution control device. Via the control unit.

As described above, in automatic fire extinguishing, the landing point (maximum precipitation point) and the distribution of water discharge are controlled by the precipitation distribution control device and the precipitation distribution calculation device so that the water discharge range matches the fire range. It is possible to perform water discharge in such a way as to make it possible to minimize fire damage.

[0022]

Embodiments of the present invention will be described below with reference to the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention unless otherwise specified, and are merely illustrative examples. It's just

FIG. 1A shows a system diagram of a fire extinguishing system for a garbage pit according to an embodiment of the present invention. In FIG.
Reference numeral 1 denotes a refuse pit in which refuse 14 is stored, and 1 denotes a water discharge gun that discharges water toward the surface of the refuse 14 in the refuse pit 13. Reference numeral 11 denotes a temperature distribution detector which is installed above the dust pit 13 and comprises an infrared camera which measures the intensity of infrared rays radiated from the entire surface of the dust 14 in the dust pit 13, and 12 denotes the temperature distribution detector 11 This is a fire detection device that detects the presence or absence of a fire from a detection signal of a temperature distribution from the fire.

In the temperature distribution detector 11 comprising the infrared camera, the intensity of infrared rays radiated from the entire surface of the dust 14 in the dust pit 13 is measured, and the distribution of the intensity is used to determine the surface temperature of the dust 14. Is detected and input to the fire detection device 12.

In the fire detecting device 12, it is determined from the temperature distribution on the surface of the refuse 14 detected by the temperature distribution detector 11 whether or not such a temperature distribution state is a fire occurrence state. That is, in the fire detection device, the surface of the detected waste is divided into matrix-shaped sections as shown in FIG.
When the energy integration amount of the surface temperature of 4 exceeds the reference value,
Judging that a fire has occurred, a fire signal and a fire occurrence position, that is, a detection signal of a section group in which a fire has occurred, and a detection signal of a section in the highest temperature area of the section group are output. For example, in FIG. 1B, the section group B is a section group in which a fire has occurred, and the section A is a section in the highest temperature area of the section group B. C is a group of sections where no fire has occurred.

Reference numeral 2 denotes a control device.
2, the fire occurrence signal and the fire occurrence section detection signal are input. In the control device 2, when a detection signal of a fire occurrence and a fire occurrence section from the fire detection device 12 is input, the control unit 2 drives a landing point calculation device 3 provided in the control device 2, and An operation signal for driving the water spray gun device 1 is transmitted to the drive unit 6 based on the calculation signal, and the drive unit 6 drives the water discharge gun device 1 to cause the surface of the garbage 14 to discharge water.

The water landing point calculation device 3 calculates the water discharge direction of the water discharge gun device 1 based on the detection signals of the water discharge gun turning angle and the water discharge gun elevation angle, and outputs the detection signals of the water discharge water pressure and the water discharge flow rate. Based on this, the initial velocity of water discharge is calculated.

In the water landing point calculating device 3, the calculated value of the initial direction of water discharge based on the detection signals of the discharge direction, the discharge water pressure and the discharge flow rate based on the detection signals of the discharge gun turning angle and the discharge gun elevation angle. From this, the water discharge point that matches the water discharge characteristics of the water discharge gun device 1, that is, where the water discharge from the water discharge gun device 1 has landed on the surface of the waste 14 is calculated.

Reference numerals 7 and 8 denote a water gun turning angle detector and a water gun lifting angle detector for detecting the water gun turning angle and the water gun raising angle of the water gun 1 respectively. Reference numeral 9 denotes a water pressure detector for detecting the pressure of water discharged from the water discharge gun device 1, and reference numeral 10 denotes a flow rate detector for detecting a flow rate of discharged water. Detection signals from the respective detectors, such as a water gun turning angle, a water gun elevation angle, a water discharge pressure, and a water discharge flow rate, are input to the control device 2.

The landing point 20 and the actual landing point 21 calculated by the above calculation are displayed on the display device 4 as shown in FIG. That is, from the temperature distribution on the surface of the refuse 14 in the temperature distribution detector 11, the position at which the temperature has dropped the most due to the water landing, that is, the actual landing point 21 is obtained, and the actual landing point 21 is calculated from the calculated landing point 20. To correct the misalignment,
The water gun rotation angle and the water gun elevation angle are corrected based on the correction signal. Calculation / correction of the landing point The landing point 20, actual landing point 21, section group B where fire has occurred
The display, the display of the section A in the highest temperature area, is always and continuously displayed on the display device 4 via the control device 2 during the discharge of water, so that the fire extinguishing situation can be easily grasped. It is also possible to adopt another method, and accurate judgment can be made in a timely manner.

As described above, in the fire detection device 12,
When the occurrence of a fire is detected, the water discharge gun device 1 is automatically driven via the control device 2 to discharge water, even if there is no fire extinguishing worker operating the water discharge gun device 1.

After the fire extinguishing worker operating the fire extinguishing device such as the water spray gun device 1 arrives at the fire occurrence site, the worker operates the water discharging gun device 1 via the operating device (manual or automatic) 5. And discharge water.

At this time, the visibility inside the refuse pit 13 is significantly deteriorated by the steam and smoke generated by the combustion and discharge of the refuse. , And the temperature distribution on the surface of the refuse can be detected, which makes it possible to discharge water to the ignition point accurately even by manual operation.

In addition, when the fire is fired at a plurality of locations in the garbage pit 13 and when the water landing position (water landing point) from the water discharge gun device 1 is moved to another firing point, the display device 4 is used. By visually checking the display, the landing point can be changed smoothly.

In the fire extinguisher system without the temperature distribution detector 11 as in this embodiment, only the calculated landing point 20 is displayed on the display device 4. By checking the landing point from the display device 4, the worker can perform the same accurate water discharge as described above.

FIG. 2 is a system diagram of a fire extinguishing system for a garbage pit according to a second embodiment of the present invention. In this embodiment,
A precipitation distribution control device 21 and a precipitation distribution calculation device 22 are added to the first embodiment shown in FIG. 1, and the other configuration and operation are the same as those of the first embodiment shown in FIG.

That is, in FIG. 2, reference numeral 21 denotes a precipitation distribution control device, and reference numeral 22 denotes a precipitation distribution calculation device connected to the precipitation distribution control device 21. A fire occurrence signal, a fire position and a detection signal of a fire range 17 (see FIGS. 3 and 4) are input from the fire detection device 12 to the precipitation distribution control device 21.

Then, the rainfall distribution control device 21 uses the signal of the fire position and the fire range 17 from the temperature distribution detector 11 so that the water discharge point and the fire range 17 match so that the water discharge range and the fire range 17 match. (Point) 15 and precipitation distribution 14 are determined. Further, the precipitation distribution calculating device 22 calculates the landing point (maximum precipitation point) 1 determined by the precipitation distribution control device 21.
The water spray gun turning angle, the water spray gun elevation angle, the water pressure, and the flow rate are calculated with respect to 5 and the precipitation distribution 14, and the calculation results are transmitted to the precipitation distribution control device 21.

The rainfall distribution control device 21 calculates the water discharge range and the fire range 17 based on the operation signal from the precipitation distribution operation device 22.
, The turning angle and the elevation angle of the water spray gun 1,
A control signal is transmitted to the control device 2 so as to perform water discharge by continuously changing the pressure and flow rate of water discharge. As in the first embodiment, the control device 2 automatically controls the drive unit 3 so as to rotate and raise the water discharge gun device and to change the pressure and flow rate of the water discharge. The drive unit 3 drives the water discharge gun device 1 to discharge water toward the fire position.

With this operation, a fire with a large area can be used.
Water can be discharged over a wide area, and concentrated fire can be discharged on small fires. Figure 3 shows an example of extinguishing a large area fire,
FIG. 4 is an example of extinguishing a small area fire. When water is discharged to a fire having a large area as shown in FIG. 3, the range of the precipitation distribution 14 takes a large area as shown in FIG.
When water is discharged between the landing points (maximum precipitation points) 15 of 19, C20, and D21 so as to follow a trajectory 16 like an arrow, the water discharge range matches the fire range 17 and the fire range 17 Almost the same amount of precipitation can be obtained at any point within.

The above-mentioned precipitation distribution control device 21 calculates the precipitation distribution 1
The range of 4 becomes such an area, and the landing points from the water discharge positions A18 to B19, C20 and D21 (maximum precipitation point)
A signal for continuously changing the turning angle, the elevation angle, the pressure and the flow rate of the water discharge gun device 1 is transmitted to the control device 2 so as to follow a locus 16 like an arrow between 15. When water is discharged to a fire having a small area as shown in FIG. 4, the range of the precipitation distribution 14 takes a small area as shown in the figure, but, similarly to the case of the wide fire, water discharge positions A18 to B19, C20
When water is discharged so as to follow a trajectory 16 like an arrow between respective landing points (maximum precipitation points) 15 to the water discharge position D21, the water discharge range matches the fire range 17, and the fire range 17 Almost the same amount of precipitation can be obtained at any point within. The rainfall distribution control device 21 causes the range of the rainfall distribution 14 to have such an area, and to follow a locus like an arrow between landing points (maximum precipitation points) 15 from the water discharge position A to the water discharge position D. A signal for continuously changing the turning angle, the elevation angle of the water discharge gun, the pressure and the flow rate of the water discharge gun is transmitted to the control device 2. As described above, the landing point (maximum precipitation point) 1 is set by the precipitation distribution control device 5 in the automatic fire extinguishing.
5 and the rainfall distribution 14 can be controlled so that water can be discharged such that the water discharge range and the fire range 17 coincide, thereby minimizing fire damage.

[0042]

According to the present invention, the landing point of water discharge from the water discharge gun device is calculated and displayed on the display device.
Even when the visibility near the fire occurrence point is poor due to smoke or the like, it is possible to discharge water by visually checking the landing point displayed on the display device. This makes it possible to discharge water accurately to the ignition point, and to extinguish the fire early.

According to the second aspect of the present invention, when a fire is detected by the fire detection device, the water discharge gun device is automatically operated by the control device. The spread of fire can be prevented.

Further, according to the third aspect of the present invention, the landing point (maximum precipitation point) and the rainfall distribution of the water discharge are controlled by the rainfall distribution control device and the rainfall distribution calculation device, so that the water discharge range matches the fire range. It is possible to perform water discharge in such a manner as to minimize fire damage.

[Brief description of the drawings]

FIG. 1A is a system diagram of a waste pit fire extinguishing apparatus according to a first embodiment of the present invention. (B) shows a calculated landing point 20, an actual landing point 21, a section group B in which a fire has occurred, and a section A display in the hottest area on the display contents of the display device.

FIG. 2 is a system diagram of a waste pit according to a second embodiment of the present invention.

FIG. 3 is an explanatory diagram (part 1) illustrating a relationship between a fire range and a water discharge position.

FIG. 4 is an explanatory diagram (part 2) illustrating a relationship between a fire range and a water discharge position.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 water spray gun device 2 control device 3 landing point calculation device 4 display device 5 operating device 6 drive unit 7 water spray gun turning angle detector 8 water spray gun elevation angle detector 9 water pressure detector 10 flow rate detector 11 temperature distribution detector 12 Fire detection device 13 Garbage pit 14 Garbage 21 Precipitation distribution control device 22 Precipitation distribution calculation device

 ──────────────────────────────────────────────────の Continuation of front page (72) Inventor Nobuo Amano 1-8-1 Koura, Kanazawa-ku, Yokohama-shi Yokohama Research Institute, Mitsubishi Heavy Industries, Ltd.

Claims (3)

[Claims] 1. A water discharge gun device for discharging water toward a fire occurrence unit, a drive unit for driving the water discharge gun device, and a control device for outputting a drive command for the water discharge gun device to the drive unit. In the fire extinguisher, a water discharge gun turning angle detector and a water discharge gun elevation angle detector that respectively detect a water discharge gun turning angle and a water discharge gun elevation angle of the water discharge gun device; and A water pressure detector and a flow rate detector to be detected, a detection signal from each of the detectors is input, and a water landing point calculation device that calculates a water landing point from the water discharge gun device based on the detection signal, A display device for displaying the calculated landing point. 2. A temperature distribution detector for detecting a temperature distribution in a fire-possible portion and its surroundings, and determining whether or not a fire has occurred based on a detection signal from the temperature distribution detector. Comprises a fire detection device for detecting the fire occurrence position and inputting it to the control device, wherein the control device, when a fire occurrence signal from the fire detection device is inputted, Along with causing the water spray gun device to discharge water, the high temperature region of the temperature distribution is defined as a landing point, and a landing point calculation device is driven so that water is discharged at the landing point, and a signal from the calculation device is output. The fire extinguisher according to claim 1, wherein a water spray gun turning angle, a water spray gun elevation angle, a water discharge water pressure, and a water discharge flow rate are controlled based on the water discharge gun, and the display device is configured to display a temperature distribution changed by the water discharge. 3. A water discharge gun device for discharging water toward a fire generating unit, a drive unit for driving the water discharge gun device, and a control device for outputting a drive command for the water discharge gun device to the drive unit. In the fire extinguisher, a water gun turning angle detector and a water gun raising angle detector for detecting a water gun turning angle and a water gun elevation angle of the water gun device, respectively, and a water discharge pressure and a water discharge flow from the water gun device, respectively. A water pressure detector and a flow rate detector to detect, a temperature distribution detector to detect a temperature distribution around a fire possible part and its surroundings, and whether or not a fire has occurred is determined from a detection signal of the temperature distribution. When the fire detection device detects the fire position and the fire range, a fire position and a fire range detection signal are input from the fire detection device, and based on the detection signal, the water discharge range and the fire range match. Do A rainfall distribution control device that determines a landing point and a rainfall distribution, and calculates a water discharge gun turning angle, a water discharge gun elevation angle, a water pressure and a flow rate corresponding to the water landing point and the rainfall distribution determined by the rainfall control device, A fire extinguisher comprising: a rainfall distribution calculating device that transmits the rainfall distribution control device to the control device via the rainfall distribution control device.