JPH02177971A - Fire extinguisher - Google Patents

Abstract

PURPOSE:To prevent a flood disaster without fail and to maintain the quantity of water to be sprinkled uniform by displaying a water discharge display on a monitor television set, discriminating the water discharge distance according to the position of the water discharge distance display, switching discharge pressure correspondently to the water discharge distance and discharging the water. CONSTITUTION:The close and short distances are displayed on the monitor display of a monitor television set 24a for short distance in a water discharge gun device 1 and the middle and long distances are displayed on the monitor screen of a monitor television set 24b for long distance. When fire is generated, the picture of a monitor block caught by ITV cameras 22a and 22b are projected on the monitor television sets 24a and 24b and the water discharge gun device 1 is turned and operated in a horizontal direction by a turn motor 3. It is discriminated which distance display a fire generation place projected on the monitor television sets 24a and 24b is set in. For example, when the place is in the middle distance, the discharge pressure is selected by pushing a middle distance button 20b. Then, the discharge pressure is supplied and simultaneously, compressed air is supplied through a motor-driven valve 11. After that, the water is discharged from a nozzle 4 for far discharge with the discharge pressure corresponding to the middle distance.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fire extinguishing system using a water cannon device that controls the distance of water spray by controlling the water spray pressure, and in particular, the present invention relates to a fire extinguishing system using a water cannon device that controls the water spray distance by controlling the water spray pressure. [Prior art] Regarding a fire extinguishing system that controls a water cannon device based on It is installed so that it can rotate vertically and horizontally, and the discharge pressure of the fire extinguishing water supplied under pressure from the fire extinguishing pump is approximately constant, so the water spray distance is controlled by changing the elevation angle of the water cannon.

In addition, in order to remotely control a fire extinguishing system that can rotate water cannons horizontally and vertically, it is being considered to use monitor images of the surveillance area captured by an ITV camera.

[Problems to be Solved by the Invention] By the way, in controlling the water spray distance by changing the elevation angle of the water cannon, since the amount of water spray is always constant, it is difficult to control the water spray distance by changing the elevation angle of the water cannon. In this case, the fire extinguishing water discharged from the water cannon is sprayed from a direction substantially perpendicular to the water spraying area, so people and objects at the water spraying position are unlikely to be sprayed with water. However, at short or medium distances where the elevation angle of the water cannon is small, the angle of elevation is small and the range is relatively narrow, so fire extinguishing water is sprayed from the side of the water cannon. Moreover, since more water motherboard than necessary is sprayed over long distances, there is a risk of water damage to people and property.

On the other hand, when remotely controlling a fire extinguishing system that controls the distance of water spray by changing the elevation angle of the water cannon using the monitor image of an ITV camera, separate from the water cannon, place the entire monitored area in a location such as the ceiling, etc. An ITV camera is installed in the area to display the entire monitored area on a monitor TV, and in the event of a fire, water cannons are rotated horizontally and vertically so that the water can reach the location of the fire on the monitor screen while spraying water. J: I'm going to growl.

However, in order to spray fire extinguishing water at the location of a fire while watching the monitor image, it is necessary to spray water from the beginning and adjust the water spray distance by rotating the water spray nozzle horizontally and vertically. Therefore, before the water can reach the location where the fire occurred, water is wasted in the surrounding area, resulting in the problem of taking time to extinguish the fire and increasing water damage in the surrounding area.

The present invention has been made in view of these conventional problems, and is based on the premise of a water cannon device that controls the water spray distance by switching the water spray pressure. The purpose of the present invention is to provide a remotely controllable fire extinguishing device so as to be able to start discharging water directly toward the location of a fire in a monitored area.

[Means for Solving the Problems] In order to achieve this object, the present invention has a system that is rotatable in the horizontal direction and fixed at a predetermined elevation angle in the vertical direction, and that the water can be sprayed over multiple distances by changing the water discharge pressure. It has a water cannon device that can be switched in stages, and one or more ITV cameras are integrally fixed to the water cannon device so that the entire vertical direction of the monitored area to be extinguished is displayed on a monitor television. rotating the ITV camera in a horizontal direction together with a water cannon device to display the location of the fire on the monitor television;
The monitor television displays a multi-stage water spray distance display from the water cannon device, and the water spray distance is determined based on where the fire is displayed on the water spray distance display, and the water spray pressure is adjusted according to the determined water spray distance. The water cannon device is configured to switch to the water cannon device to spray water from the water cannon device.

[Function] According to the fire extinguishing device of the present invention having such a configuration, the water spray pattern is such that fire extinguishing water falls from the sky over the water spraying range, regardless of the water spraying distance from long distance to short distance. Damage can be reliably prevented and the amount of water sprinkled per unit area ω can be kept uniform.

In addition, the ITV camera is rotated horizontally together with the water cannon so that the fire location can be captured on the monitor screen, and once the horizontal position is determined, the water spray distance can be calculated from the projected position of the fire on the water spray distance display on the monitor screen. By determining and setting the corresponding water discharge pressure, and then starting water discharge, it is possible to spray fire extinguishing water directly towards the location of the fire, quickly and efficiently spraying the fire extinguishing water to the location where the fire has occurred.
Unnecessary water damage can be minimized.

[Embodiment] FIG. 1 is a diagram showing an embodiment of the present invention.

In FIG. 1, reference numeral 1 denotes a water cannon device, in which a long-distance nozzle 4 is mounted on a stand 2 and is horizontally rotatable by a rotation motor 3.
is installed. The long-distance nozzle is fixedly installed at a predetermined elevation angle θ, for example, θ=15° with respect to the horizontal direction, and does not rotate in the vertical direction.

Furthermore, a near cast nozzle 6 is arranged below the far cast nozzle 4. The long-throw nozzle 4 and the near-throw nozzle 6 are connected to a water pipe 7 via a near-far switching valve 5. In this water cannon device, the long-throw nozzle 4 is responsible for long-range, middle-range, and short-range, and the short-throw nozzle 6 is for the immediate distance.

The water cannon device 1 is provided with air piping 8 and electrical piping 9. An electric valve 10 is provided in the water pipe 7, and the water discharge pressure to the water cannon device 1 can be adjusted by controlling the opening and closing of the electric valve 10. Of course, pressurized fire extinguishing water is supplied to the water pipe 7 from a fire extinguishing pump (not shown). Compressed air is supplied to the air pipe 8, and the compressed air can be adjusted by an electric valve 11. The compressed air from the air pipe 8 is supplied to the long-distance nozzle 4 through the air pipe 8a, and the compressed air is blown around the fire-fighting water in the long-throw nozzle to create an air flow around the fire-fighting water. This allows for a longer fire extinguishing distance.

Further, the water cannon device 1 is provided with a pressure sensor 12 that detects water spray pressure.

Swivel motor 3 of water cannon device 1, electric valve 10 of water pipe 7,
and the electric valve 11 of the air pipe 8 is connected to the power supply panel 13,
The power supply panel 13 includes a control panel 14 and a water cannon operation panel 15.
connected to.

The water cannon operation panel 15 is provided with a horizontal rotation operation section 16 for horizontally driving the water cannon device 1 by the rotation motor 3. This horizontal rotation operation section 16 is provided with operation buttons 17L and 17R for turning in the direction of the displayed arrow, and further provided with operation buttons 18L and 18R for turning at twice the speed. Furthermore, an indicator 19 is provided in which light emitting diodes indicating the horizontal rotation position (nozzle direction) are arranged in an arc shape at predetermined intervals.

Switch buttons 20a, 20b, 20c, and 20d for switching the water discharge pressure are provided on the left side of the horizontal rotation operation section 16.

In this embodiment, 20a is a long distance button, 20b is a middle distance button, 20C is a short distance button, and 20d is a close button. Furthermore, an operation switch 21 for starting and stopping water discharge is provided below the distance buttons 20a to 20d.

On the other hand, an ITV camera 22 is installed in the water cannon device 1. In this embodiment, as is clear from the front view of the water cannon device 1 in FIG. 2, two cameras are installed: a short-range IT camera 22a and a long-range ITV camera 22b. IT
V camera 22a.

22b, near the water cannon operation panel 15 are a monitor television 24a for short distances and a monitor television 24b for long distances.
Two machines will be installed.

As shown in FIG. 3, the ITV cameras 22a and 22b are integrally fixed to the water cannon device 1 so as to display the entire vertical direction of the monitored area to be extinguished on the monitor screens of monitor televisions 24a and 24b. .

That is, the water cannon device 1 is installed in a position overlooking the floor of a large facility such as an exhibition hall, and therefore the IT camera 22a,
22b is installed so as to capture a monitor image overlooking the floor and wall areas of the entire monitoring area.

Further, on the monitor screens of the monitor televisions 24a and 24b, a plurality of stages of water discharge distances from the water cannon device 1 are displayed, as shown in the embodiment shown in FIG. 3, for example. 1st
In the embodiment shown in the figure, the water discharge distance of the water cannon device 1 is set to four levels: long distance, medium distance, short distance, and immediate distance, so as shown in FIG. TV 2
The monitor screen 4a displays the nearest and short distances, and the screen of the long distance monitor television 24b displays middle and long distances. The distance display on these monitor screens can be easily realized by attaching a transparent cover provided with a distance display to the front of the screen of the monitor televisions 24a, 24b.

Next, the operation of the above embodiment will be explained.

If a fire breaks out in the warning area, first turn on the water cannon operation panel 15 and use the ITV installed in the water cannon device 1.
Images of the surveillance area captured by the cameras 22a and 22b are displayed on the monitor televisions 24a and 24b, and in this state, the high-speed operation button 18L or 18R provided on the horizontal rotation operation unit 16 is operated, and water is discharged by the rotation motor 3. The gun device 1 is rotated horizontally. By rotating the water cannon device 1, the ITV cameras 22a and 22b are rotated together, and when the location of the fire is captured on the monitor televisions 24a and 24b, the low speed operation button 17L or 17R is operated to slowly display the water cannon. The device 1 is driven to rotate.

Then, when the fire outbreak position is at the position indicated by the vertical axis at the center of the screen shown in FIG. 3, the horizontal rotation is stopped.

Next, it is determined at what distance display the fire outbreak place displayed on the monitor televisions 24a and 24b shown in FIG.
Press b to select the water discharge pressure that corresponds to medium distance.

Next, when the pump is started by operating the switch 21, the set pressure corresponding to the middle distance selected and set on the water cannon operation panel 15 is applied to the control panel 14, and the detected pressure of the pressure sensor 12 is applied. The electric valve 10 is controlled by feedback control based on the deviation from the distance, and the water cannon device 1 is supplied with water discharge pressure corresponding to the middle distance selected by operating the middle distance button 2Qb. At the same time, compressed air is supplied via the electric valve 11, and the long-distance nozzle 4 starts discharging fire extinguishing water at a pressure suitable for medium distances, from above to the medium-distance water discharging range where the fire occurred. Water is used to spray fire extinguishing water in the form of rain.

Of course, the location of the fire can be shown on the monitor screen as being far away, close up, or
Or, if a fire has occurred in the recent past, by pressing the corresponding distance selection button, fire extinguishing water will be sprayed over a distance range including the location where the fire occurred, with water spray pressure set according to the distance. It will be done. However, in the most recent case, when the most recent button 20d is operated, the near/near switching valve 5 is switched, and the near throw nozzle 6 sprays fire extinguishing water.

FIG. 4 is an explanatory diagram showing another embodiment of the water spray distance display provided on the monitor screens of the monitor televisions 24a and 24b of the present invention. Since the water discharge pattern has been experimentally obtained by pressure control in four stages: medium distance, short distance, and immediate distance, the experimentally obtained water discharge pattern itself can be viewed on the monitor TV 24.
It is characterized by being displayed on the screens a and 24b.

Furthermore, in the above embodiment, the water cannon device 1 is provided with two ITV cameras 22a and 22b for short range and long range, but one ITV camera is installed.
It is also possible to provide only a stand; in this case, as shown in Fig. 5 (
As shown in Fig. 5(a) and 5(b), one monitor television 24 is installed near the water cannon operation panel 15, and displays the far, middle, and near water discharging distances as shown in Fig. 5(a) or ( As shown in b), the distance can be displayed using the water spray pattern near the people.

The water spray pressure control and distance switching control according to the distance selection button on the water cannon operation panel 15 in the embodiment shown in FIG.
No. 063 and No. 63-57067 can be used as they are.

[Effects of the Invention] As explained above, according to the present invention, regardless of whether the water is sprayed from a long distance or a short distance, the water spray pattern is such that fire extinguishing water falls from the sky over the water spray area, reducing water damage. This can be reliably prevented and the amount of water sprinkled per unit area can be kept uniform.

In addition, the ITV camera is rotated horizontally together with the water cannon so that the fire location can be captured on the monitor screen, and once the horizontal position is determined, the water spray distance is measured from the fire projection position to the water spray distance display on the monitor screen. By identifying and setting the corresponding water discharge pressure, and then starting water discharge, it is possible to direct fire extinguishing water to the location where the fire occurred, quickly and efficiently. In addition to eliminating water damage, unnecessary water damage can be minimized.

[Brief explanation of the drawing]

Fig. 1 is a configuration diagram of an embodiment of the present invention; Fig. 2 is a front view of the water cannon device shown in Fig. 1; Fig. 3 shows an embodiment of the monitor screen shown in Fig. 1, and water spray distance display. Explanatory diagram; Figure 4 is an explanatory diagram showing an example of displaying the water spray distance on the monitor screen in Figure 1; Figure 5 is the water discharge on the monitor screen when one ITV camera is used according to the present invention. It is an explanatory view showing distance display. 1: Water cannon device 2 2 3: Rotating motor (for horizontal rotation) 4: Long throw nozzle 6: Near throw nozzle 7: Water piping 8: Air piping 9: Electrical piping 10.11: Electric valve 12: Pressure sensor 13: Power panel 14: Control panel 15: Water gun operation panel] 6: Horizontal rotation operation section 17L, 17R, 18L, 18R: Operation button 19: Display 20a: Long distance button 20b: Middle distance button 20c: Near distance button 20d: Closest small button 21: Switch 22: ITV camera 22a: Short distance ITV camera 22b: Long distance I-V camera 24. 24a, 24b Knee Ex Telehi-i! ITV

Claims (1)

[Claims] 1. It has a water cannon device that is rotatable in the horizontal direction and fixed at a predetermined elevation angle in the vertical direction, and can change the water spray distance in multiple stages by changing the water spray pressure. One or more ITV cameras are fixed together so that the entire vertical direction of the monitoring area is displayed on the monitor TV, and in the event of a fire, the ITV camera is rotated horizontally together with the water cannon device to display the monitor TV. The area where the fire has occurred is shown on the screen, and the monitor television displays a multi-stage water spray distance display from the water cannon device, and the water spray distance is determined based on the position on the water spray distance display where the fire is shown. A fire extinguishing system characterized in that water is discharged from the water cannon device by switching to a water discharge pressure corresponding to a water discharge distance.