JP2951734B2 - Fire extinguisher with multiple television camera linked water cannons - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a plurality of televisions.
The present invention relates to a fire extinguishing device having a camera-linked water cannon.

[0002]

2. Description of the Related Art As one of large-scale disaster prevention systems, as shown in FIG. 2, an industrial television (ITV) camera 1, a water cannon 3 linked thereto, an ITV camera 1 and a water cannon 3 In the event of a fire, a plurality of sets including a control device 5 for controlling the rotation of the camera are prepared. In the event of a fire, a video from the ITV camera 1 is transmitted to a television set in one set of the control devices 5 at a central control station such as a disaster prevention center. The position of the fire source is measured by pointing the ITV camera 1 to the direction of the fire source while monitoring the situation. Based on this measurement, the linked water cannon 3 is also discharged from the water cannon 3 toward the fire source. Fire extinguishing systems are being considered.

When a plurality of sets of ITV cameras, water cannons, and control devices are installed in a large space as shown in FIG. 2, a fire occurs and one set of ITV cameras and water cannons is set to a fire source. , The other set of ITV cameras and the water cannon are in a fixed position and not oriented to the fire source.

[0004]

Therefore, for example, when it is desired to confirm the fire source from another angle, or when it is necessary to use another water cannon, etc., the other set of ITV camera and water cannon Must be individually controlled so as to face the direction of the fire source.However, if such individual control is newly performed in a situation where time is of the essence, it takes a lot of time and early firefighting can be performed. There is a problem.

[0005]

According to the present invention, there is provided a fire extinguisher in which in the event of a fire, all sets of television cameras and water cannons are controlled to face the fire source. Specifically, according to the present invention, a television camera whose rotation is controlled by a rotation control unit for rotating the television camera, and a water discharge whose rotation is controlled by a rotation control unit for aiming the water cannon. In a fire extinguisher equipped with a plurality of sets each including a gun and a control device for controlling the rotation control unit to direct the television camera and the water cannon toward a fire source, the control devices of the respective sets are connected. Computer having a memory storing the position information of all the television cameras and the water cannons in each of the sets, so that the television cameras in any one of the sets are provided. When the computer obtains the position information of the fire source by capturing the fire source with the shooting sight, the computer reads the position information of the fire source and the television camera stored in the memory. And, based on the position information of the water cannon, fire source direction information for directing all of the television camera and the water cannon toward the fire source is calculated for each television camera and each water cannon, and each The fire extinguishing device having a plurality of television-camera linked water cannons, wherein the calculated fire source azimuth information is output to a corresponding one of the rotation control units. According to this configuration of the fire extinguisher of the present invention, when adding a television camera and a water cannon, it is easy to operate the computer only by storing the positional information of the additional television camera and the water cannon in the memory. It can be carried out.

[0006]

In a large space where a plurality of television cameras and water cannons are installed, position coordinate information of each television camera and water cannon is stored in a memory of a computer to which the control device is connected. When one of the television cameras and the water cannon is set to the fire source, the other television cameras and water cannons also calculate the direction of the fire source from each position coordinate stored in the computer memory. Is calculated, and is set to the fire source direction in conjunction with it. This allows the operator to first set one set of television cameras to the fire source orientation, and then all other sets of television cameras.
Since the camera and the water cannon are automatically set to the fire source direction, it is possible to cope with various situation changes under an actual fire occurrence situation.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a fire extinguisher having a plurality of television camera-linked water cannons according to an embodiment of the present invention. FIG. 1 shows a case where there are only two sets composed of an ITV camera, a water cannon, and a control device, but this is for the purpose of explanation only, and a set composed of an ITV camera, a water cannon, and a control device is shown. It is needless to say that the number can be three or more. In FIG. 1, reference numeral 10 denotes a first industrial television (IT) for monitoring and monitoring a fire extinguishing object (not shown) provided on a tower (not shown) or the like.
V) Camera, 10a is a first ITV for measurement and monitoring
A first camera rotation device having a rotation mechanism for rotating the camera 10 right and left and up and down by controlling a rotation signal. The first camera rotation device 10a further includes a rotation device for rotating the first ITV camera 10. It also has a detection circuit that detects the angle and the elevation angle with a potentiometer, a rotary encoder, and the like, and outputs these signals.

[0008] Reference numeral 12 denotes a first water discharge gun for discharging fire-fighting water to a fire-extinguishing object in conjunction with the first ITV camera 10;
12a is a rotating mechanism for rotating the first water cannon 12 right and left and up and down under the control of the aiming control signal, and the first water cannon 1
A first water cannon rotation device having a detection circuit for detecting the rotation angle and the elevation angle of 2 by a potentiometer, a rotary encoder, etc., and outputting their signals, 20
Is a second ITV camera for measuring and monitoring which is provided on a tower (not shown) or the like at a different position from the first ITV camera 10 and monitors a fire extinguishing object (not shown), 20a
Is a second camera rotation device having a rotation mechanism for rotating the second ITV camera 20 for measurement and monitoring up, down, left and right by controlling a rotation signal. 20a further has a detection circuit for detecting the rotation angle and the elevation angle of the second ITV camera 20 with a potentiometer, a rotary encoder, and the like, and outputting these signals.

Reference numeral 22 denotes a second water cannon for discharging fire-extinguishing water to the fire-extinguishing object in conjunction with the second ITV camera 20;
22a is a rotating mechanism for rotating the second water cannon 22 left and right and up and down under the control of the aiming control signal, and the second water cannon 2
A second water cannon rotation device having a detection circuit for detecting the rotation angle and the elevation angle of 2 by a potentiometer, a rotary encoder, and the like, and outputting their signals,

[0010] 30 is a powder by the control of the release control signal,
Fire extinguisher such as foam or water (in this example, water)
Is supplied to the first and / or second water cannons 12,22.

Reference numeral 40 denotes a central management office such as a disaster prevention center;
Is a first control device for the first ITV camera 10 and the first water cannon 12 provided at the central control office 40, and 50A is a second ITV also provided at the central control office 40. It is a second control device for the camera 20 and the second water cannon 22.

An operation console 60 is provided with various switches (not shown) such as an image receiving switch, a camera rotation switch, a water cannon nozzle aiming switch, and a discharge switch.
Reference numeral 70 denotes a computer having a memory 70A. In the memory 70A, position coordinates of individual ITV cameras and water cannons, that is, in this embodiment, the first ITV camera 10
And the position coordinates of the first water cannon 12, the second ITV camera 20, and the second water cannon 22 are stored. When an ITV camera and a water cannon are added, a set of the ITV camera and the water cannon to be added to the memory 70A can be incorporated into the fire extinguisher system by simply inputting the position coordinates of the water cannon. Reference numeral 80 denotes a fire receiver that receives a fire signal from a fire detector or a manual notification device (not shown) provided along the fire extinguishing object or a notification by an emergency telephone or the like.

In the control devices 50 and 50A, 52 and 52A are the first and second ITV cameras 10 respectively.
The television receivers 53 and 53A that receive the video images transmitted from the first and / or the second camera rotation device 10a and / or the second camera rotation device 10a by operating a camera rotation switch (not shown) on the console 60, respectively. And / or a rotation control unit that outputs a rotation signal to 20a, the first and second camera rotation devices 1 and 54A are operated by operating a water cannon nozzle aiming switch (not shown) on the console 60, respectively.
A position discriminating unit constituted by an arithmetic unit that detects the rotation angles and elevation angles of the first and second ITV cameras 10 and 20 from the detection circuits 0a and 20a, calculates the position coordinates of the fire spot, and outputs the position signal. , 55 and 55A calculate the rotation angle and the elevation angle for setting the discharge sights of the first and second water discharge cannons 12 and 22 at the fire spot based on the position signals output from the position determination units 54 and 54A, respectively. According to the result, the aiming control signal is transmitted to the first and second water cannon rotating devices 12a.
And a rotary control unit for aiming the water discharge cannon, which is composed of a control circuit and the like, which outputs to the fire extinguishing water supply source by operating a discharge switch (not shown) on the console 60. 30 is a release control unit for outputting to 30.

Next, a plurality of television sets shown in FIG.
The operation of the fire extinguisher with the camera-linked water cannon will be described. The image receiving switch (not shown) of the console 60 is turned on to receive the images of the first and second ITV cameras 10 and 20 on the receivers 52 and 52A, respectively. Turn ON to output rotation signals from the rotation control units 53 and 53A. With this rotation signal, the first and second camera rotation devices 10a and 20a allow the first and second ITV cameras 1
The ITVs to make 0 and 20 shoot fire extinguishing objects
The cameras 10 and 20 are rotated left and right and up and down, whereby the ITV cameras 10 and 20 sequentially display images of the respective parts of the fire extinguishing object on the receivers 52 and 52A, respectively.

In such a state, the fire receiver 80
When the occurrence of a fire is notified through the first and second I
One of the TV cameras 10 and 20, for example, the first ITV camera 10 is automatically or manually turned to the fire detection position to measure the position and distance of the fire source and confirm the fire. In the case of automatic operation, the operator can automatically turn the first ITV camera 1
The state of the fire extinguishing object is monitored by the receiver 52 of the first control device 50 that projects the image from 0. When the first ITV camera 10 confirms that the first ITV camera 10 has captured the fire spot or the fire source with the shooting sight by displaying the image of the fire spot in the center of the screen of the receiver 52 of the first control device 50, the console 6
0, the camera rotation switch (not shown) is turned off, and the rotation control unit 53 of the control device 50 sends the first camera rotation device 1
The output of the rotation signal to 0a is stopped. When the output of the rotation signal is stopped, the first camera rotation device 10a causes the first IT
The rotation of the V camera 10 is stopped, and the first ITV camera 10
Is fixed while capturing the fire spot with the shooting sight.

Next, when a not-shown water cannon nozzle aiming switch on the console 60 is turned on, the position discriminating section 54 of the first control device 50 outputs the second signal output from the detection circuit of the first camera rotating device 10a. 1 to detect the rotation angle signal and the elevation angle signal of the ITV camera 10, calculate the position coordinates of the fire spot, that is, the fire source position coordinates, and use the fire source position coordinate signal to turn the water discharge gun aiming of the first controller 50. The data is output to the control unit 55 and the computer 70 in the console 60.

When a fire source position coordinate signal is given from the position determination unit 54 to the water discharge gun aiming rotation control unit 55, the water discharge gun aiming rotation control unit 55 firstly receives the fire source position coordinate signal based on the input fire source position coordinate signal. Then, the rotation angle and the elevation angle for determining the discharge aim of the first water discharge cannon 12 at the fire spot are calculated.

Next, the water cannon aiming rotation control unit 55 detects the rotation angle signal and the elevation angle signal of the first water cannon 12 from the detection circuit of the first water cannon rotation device 12a, and calculates the above calculation result. And the aiming control signal is set to the first so that the difference between the two becomes zero.
Output to the water cannon rotating device 12a, and when the calculated value and the detected value become equal, the output of the aiming control signal is stopped to stop the operation of the rotating mechanism of the first water cannon rotating device 12a,
The completion of the aiming operation is displayed on the console 60. With this display, the operator can cause the first water discharge gun 12 to discharge water by turning on a discharge switch (not shown) on the operation console 60.

That is, when a discharge switch (not shown) on the operation console 60 is turned on by the operator, the discharge control unit 56 of the first control device 50 discharges fire extinguishing water to the first water discharge gun 12. A control signal is output to the fire-extinguishing water supply source 30, and the fire-extinguishing water supply source 30 supplies fire-extinguishing water to the first water cannon 12 under the control of the discharge control signal, and the first water-cannon 12 sends the fire extinguishing water to the fire spot. Water will be released.

On the other hand, based on the fire source position coordinate signal given to the computer 70 in the console 60 from the position determination unit 54, the computer 70
After the first water cannon 12 and the first water cannon 12, the calculation is started so that the other second ITV camera 20 and the second water cannon 22 are also directed to the fire source position. That is, the position coordinates of the second ITV camera 20 and the second water cannon 22 stored in the memory 70A are read out, and the position coordinates of the second ITV camera 20 and the fire source position coordinates from the position determination unit 54 are read. Based on the second
Of the second water discharge cannon 22 based on the position coordinates of the second water discharge cannon 22 and the position coordinates of the fire source from the position discriminating unit 54. Calculate the rotation angle and the elevation angle for turning the to the fire source.

The second ITV calculated as described above
The signal representing the rotation angle and the elevation angle for the camera 20 and the signal representing the rotation angle and the elevation angle for the second water cannon 22 are respectively supplied to the rotation control unit 53A of the second control device 50A.
And the turning control unit 5 for aiming the water cannon of the second control device 50A
5A, whereby the second ITV camera 20 and the second water cannon 22 are automatically pointed at the fire heading.

In the above embodiment, when the ITV camera associated with one of the control devices captures the fire source with the shooting sight, the water discharge gun aiming rotation control unit in the control device is associated with the control device. Although the rotation angle and the elevation angle of the water cannon are calculated, the calculation includes the fire source position information,
The computer 70 may be made to perform the calculation based on the position information of the water cannon stored in the memory, and the calculation result may be provided from the computer 70 to the water cannon aiming rotation control unit in the control device.

Further, while the position determination section calculates the fire source position, the computer 70 also calculates the fire source position based on a signal from the detection circuit of the camera rotating device. You may do it. In that case,
The position discriminating unit in each control device is unnecessary.

Further, the first ITV camera 10 or the second
Of the ITV camera 20 may be automatically started by a signal output from the fire receiver 80 when the fire receiver 80 receives a fire signal, and is output from the fire receiver 80. The ITV camera closer to the fire spot may be turned first by a signal.

[0025]

As described above, according to the present invention, in a large space where a plurality of television cameras and water cannons are installed,
The position coordinate information of each television camera and water cannon is stored in the memory of the computer to which the control device is connected, and when one set of the television camera and water cannon is set to the fire source, The other television cameras and water cannons also calculate the azimuth of the fire source from each position coordinate stored in the computer memory by calculation, and set it to the fire source azimuth in conjunction with Will first set one set of television cameras to the fire source direction,
All other sets of television cameras and water cannons are automatically set to the fire heading, which has the effect of being able to respond to various changes in the actual fire situation. is there.

[Brief description of the drawings]

FIG. 1 illustrates a plurality of televisions according to one embodiment of the present invention.
It is a block circuit diagram which shows the fire extinguisher which has a camera interlocking type water cannon.

FIG. 2 is a diagram for schematically explaining a conventional television camera-linked water cannon fire extinguishing device.

[Explanation of symbols]

 10 and 20 First and second ITV cameras 10a and 20a First and second camera turning devices 12 and 22 First and second water cannons 12a and 22a First and second water cannon turning devices 30 Fire water supply source 40 Central control office 50 and 50A First and second control devices 52 and 52A Television receivers 53 and 53A Rotation control units 54 and 54A Position discrimination units 55 and 55A Water discharge gun aiming rotation control unit 56 and 56A release control unit 60 console 70 computer 70A memory 80 fire receiver

────────────────────────────────────────────────── ─── Continuation of the front page (51) Int. Cl. ⁶ Identification symbol FI G08B 17/00 G08B 17/00 E (56) References JP-A-63-57066 (JP, A) JP-A-58-25471 ( (JP, A) Fully open 1986-860 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A62C 3/00 A62C 31/00-31/24 A62C 37/36-37 / 48 G08B 17/00

Claims (1)

(57) [Claims] A television camera that is controlled to be rotated by a television camera rotation control unit; a water discharge gun that is controlled to be rotated by a water control target rotation control unit;
And a control device for controlling the rotation control unit to direct the television camera and the water cannon toward the fire source. A computer to which the control devices of each of the sets are connected, Wherein the computer has a memory storing the position information of all of the television cameras and the water cannon in each of the sets, so that any of the sets of the television cameras can aim at shooting. When the position information of the fire source is obtained by catching the fire source in the computer, the computer reads the position information of the fire source and the television information stored in the memory.
Based on the position information of the camera and the water cannon, fire source direction information for directing all of the television camera and the water cannon to the fire source is calculated for each television camera and each water cannon, A fire extinguisher having a plurality of television camera-linked water cannons, wherein the fire source azimuth information calculated for each is output to a corresponding one of the rotation control units.