JPH10326395A - Disaster preventive centralized monitor and control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To actualize a function other than a monitor function by a host computer, to increase the number of monitor points, and to enable wide-area monitoring and control by connecting plural fire receivers to a hot computer by communication lines. SOLUTION: Fire receivers 10 (#1 to #n) each having a communication function and the hose computer 1 equipped with a communication function are connected to the communication line 20, and a fire receiver 10, when detecting abnormality such as a fire automatically, calls the host computer 1 and sends abnormality information and the host computer 1, on the other hand, receives the abnormality information and performs necessary monitoring and control.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disaster prevention centralized monitoring and control system that facilitates disaster monitoring over a wide area such as a factory.

[0002]

2. Description of the Related Art FIG. 6 is a diagram showing a configuration of a conventional centralized monitoring and control system for disaster prevention. A center receiver 100 installed at a center side has a plurality of fire receivers 110 via a transmission line 120. Each of the repeaters 111 (# 1 to #n) to which (# 1 to #n) is connected is connected.

When each fire receiver 110 detects the occurrence of a fire based on an alarm from a connected fire detector (not shown), it transmits a fire signal to each repeater 111 as a contact signal and detects this. Each repeater 111 converts the fire signal into a transmission signal and sends it to the center receiver 100. Then
The center receiver 100 displays a fire occurrence location and the like on a screen.

[0004]

However, in the above-mentioned conventional centralized monitoring and control system for disaster prevention, the center receiver 100
There is a limit to the number of devices to be monitored in the entire system in the above, and the center receiver 100 has only a monitoring function of each fire receiver 110 by screen display or the like.

On the local side, each fire receiver 110
Since the repeater 111 for taking in the contact signal from the device is required, it has become difficult to secure a space as the number of points increases. The present invention has been proposed in view of such a point, by connecting a plurality of fire receivers and a host computer to a communication line, to realize a function other than the monitoring function by the host computer, Its purpose is to make it possible to increase the number of monitoring points and to perform monitoring and control over a wide area.

[0006]

According to a first aspect of the present invention, there is provided a centralized monitoring and control system for disaster prevention, comprising: a plurality of fire receivers having a communication function; and a host having a communication function. When a fire is detected, the host computer automatically calls the host computer and transmits the error information, while the host computer transmits the error information. Receiving and performing necessary monitoring control.

[0007] For example, each fire receiver sends out a fire signal through a communication line when it detects a fire alarm or the like, and the host computer, upon receiving the fire signal, determines the location of the fire or the like on a CRT or the like. To be displayed. Note that a LAN may be used as the communication line, and for that purpose, both the fire receiver and the host computer are provided with a LAN interface (LAN board). According to this, it is possible to communicate information on a relatively large scale in a factory or a building.

According to a second aspect of the present invention, a necessary remote control is performed on the fire receiver by calling one of the fire receivers from the host computer and transmitting a control signal. For example, the host computer controls each fire receiver such as fire recovery, sound stop, link stop, and link stop release. In claim 3, the host computer has an interlock control table for performing interlock control between the fire receivers, and the host computer receives a call from any of the plurality of fire receivers,
When the abnormality information is received, the interlock control between the fire receivers is performed by referring to the interlock control table and transmitting a control signal to the fire receiver targeted for the interlock control. I do. For example, when a fire detector connected to one fire receiver issues an alarm, the host computer activates a smoke evacuator connected to the other fire receiver.

According to a fourth aspect of the present invention, each of the plurality of fire receivers is connected to a communication interface having a communication function connected to a communication line. If the communication line is a LAN, a LAN interface such as a LAN board and a LAN card is provided as the communication interface. According to a fifth aspect of the present invention, the host computer includes a display unit for displaying fire information and a remote control unit for transmitting a control signal to the fire receiver. Here, the display means includes a CRT and an LCD.
(Liquid crystal display), LED lamps, etc., and a printer device is also included in these. In addition, the remote control means includes means necessary for communication control such as a network OS, in addition to operation means such as a mouse, a touch panel, and a keyboard.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration of a disaster prevention centralized monitoring and control system of the present invention. The illustrated system includes a host computer 1 installed on the center side.
Are connected to a plurality of fire receivers 10 (# 1 to #n) installed on the local side via a communication line 20. Each of the fire receivers 10 is connected to a communication interface 11 (# 1 to #n).
#N), it is connected to the communication line 20.

If a LAN is used for the communication line 20, a LAN such as a LAN board is used for the communication interface 11.
An interface is used, and both the host computer 1 and the communication interface 11 are, for example, Ethe
1 based on the rnet standard (IEEE 802.3 standard)
0BASE standard (10BASE5, 10BASE2, 1
0BASE-T, etc.)
Access is made by the SMA / CD method. If such a transmission method is adopted, wiring work of the system and its maintenance become easy, and the data transmission speed can be increased.

Each of the fire receivers 10 (# 1 to #n) and the communication interface 11 (# 1 to #n) are connected to a communication connection terminal (port) of the fire receiver 10 by an RS-232C.
Are connected by cables 12 (# 1 to #n) conforming to the standards such as the above. The communication interface 11 enables signal transmission between the fire receiver 10 and the host computer 1.

Although not shown, the fire receivers 10 (so-called R-type receivers) use a multiplex transmission line to connect various disaster prevention devices such as a fire detector, a smoke prevention device, a district sound device, and the like. It is connected via a repeater as needed, and monitors and controls each disaster prevention device by multiplex transmission. Further, the fire receiver 10 may be provided with a similar function inside without connecting the communication interface 11 described above.

On the other hand, the host computer 1 has a CRT 2 and a printer 3 as display means for displaying fire information.
And a graphic panel 4. As remote control means for sending a control signal to the fire receiver 10, in addition to operation means such as a keyboard (not shown), a CP
It has means required for communication control such as U (hardware) and network OS (software).

In the above configuration, in the centralized disaster prevention monitoring and control system of the present invention, when the fire receiver 10 detects an abnormality such as a fire, the host computer 1
Is automatically called and abnormal information is transmitted, while the host computer 1 receives the abnormal information and performs necessary monitoring control. The operation at this time is schematically shown in FIG. Here, the fire receiver 10 (# 1) detects the alarm of the fire detector and sends out a fire signal through the communication line 20 (). To this fire signal, data of “building, floor, type, district” and the like are added as information of the fire detector that issued the fire signal.

The host computer 1 receives the fire signal (), identifies the address (port number) of the fire receiver 10, and displays the fire location on the CRT 2 in a plan view so that it can be easily recognized. (,). At the same time, the fire location and the like are converted into character data and the corresponding character data is added and printed out from the printer 3, and the LED corresponding to the fire location on the graphic panel 4 is turned on or blinks. (The same applies to the following).

In the present invention, the host computer 1
By calling one of the fire receivers 10 from the side and transmitting a control signal, it is possible to perform necessary remote control for the fire receiver 10. The operation at this time is schematically shown in FIG. In FIG. 3A, if one of the fire receivers 10 or one of the disaster prevention devices connected to the fire receiver 10 is designated while looking at the display on the CRT 2 (), the host computer 1 performs control. As a signal, data such as “building, floor, type, district” to which an address (port number) is added is transmitted to the communication line 20 (,
).

Here, a case where a disaster prevention device connected to the fire receiver 10 (# 1) is designated is shown, and the fire receiver 10 receives a control signal via the communication interface 11 (# 1). Then, the corresponding disaster prevention equipment is controlled based on the data included in this signal (). For example, the host computer 1 causes the fire receiver 10 to recover the fire from the fire detector to return to the original monitoring state, stop the fire, and stop the operation of the built-in main sound device and the connected district sound device. Controls such as a sound stop, a link stop for stopping the link between the disaster prevention devices, and a link stop release for releasing the stop state can be performed. Thereby, the fire receivers 10 can be remotely controlled from the host computer 1 on the center side.

Further, as shown in FIG. 3B, after receiving the control signal, the fire receiver 10 can execute a corresponding operation (to) and then return a signal indicating the state after the operation. (). When the host computer 1 receives this status signal, it determines which of the fire receivers 10 the signal is from (), and displays the status on the CRT 2. By doing so, the host computer 1 can check the state after the control as well as the remote control of the fire receiver 10, so that the fire receiver 10 can be operated unattended.

The host computer 1 has an interlock control table for performing interlock control between the fire receivers 10. When the host computer 1 receives a call from one of the plurality of fire receivers 10, the host computer 1 sends abnormality information. When it is received, by referring to the interlock control table and transmitting a control signal to the fire receiver 10 which is the target of the interlock control, the interlock control between the fire receivers 10 (# 1 to #n) is performed. It can be performed.

The operation at this time is schematically shown in FIG. Here, the fire detector S connected to the fire receiver 10 (# 1) gives an alarm (), and the fire receiver 10 (# 1)
A case where a fire signal is transmitted through the communication line 20 is shown (). Upon receiving the fire signal, the host computer 1 performs the processing shown in FIG. 5 based on the data included in the received fire signal.
With reference to the interlocking data table 1a having the structure shown in (2), the data of the interlocking source is searched, and if there is data of the interlocking destination corresponding to this data, a control signal is transmitted to this interlocking destination ( ), The fire receiver 10 (#
By (n), the smoke prevention equipment ER connected to the fire receiver 10 (#n) is operated ().

The interlocking control is not limited to between the fire detector S and the smoke elimination device ER.
When the fire detector S connected to 0 fires, the host computer 1 automatically sounds the district sound device connected to another fire receiver 10 according to the setting of the interlocking control table 1a. A control signal may be transmitted.

[0023]

As can be understood from the above description, according to the disaster prevention centralized monitoring and control system according to claims 1 to 5,
Since the host computer and the plurality of fire receivers are connected by a communication line, the number of monitored devices in the entire system can be increased without limitation as long as the communication capability allows. Therefore, the host computer enables centralized disaster prevention monitoring of a large scale such as a factory.

Further, unlike the related art, there is no need for a repeater for taking in a contact signal from each fire receiver, so that the system configuration is simplified, and even if the number of devices increases, the space on the local side can be secured. No problem. In particular, in the second aspect, the remote control of the fire receiver side from the host computer side is possible, and in the third aspect, the interlocking control between a wide range of fire receivers can be performed by the host computer.

[Brief description of the drawings]

FIG. 1 is a diagram showing an example of the configuration of a disaster prevention centralized monitoring and control system of the present invention.

FIG. 2 is a schematic diagram for explaining the operation of the disaster prevention centralized monitoring and control system of the present invention (claim 1).

FIG. 3 is a schematic diagram for explaining the operation of the disaster prevention centralized monitoring and control system of the present invention (claim 2).

FIG. 4 is a schematic diagram for explaining the operation of the disaster prevention centralized monitoring and control system of the present invention (claim 3).

FIG. 5 is a diagram illustrating an example of a configuration of an interlocking control table.

FIG. 6 is a diagram for explaining a conventional disaster prevention centralized monitoring and control system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Host computer 1a ... Interlock control table 2 ... CRT 10 ... Fire receiver 11 ... Communication interface 12 ... Communication cable 20 ... Communication line S ... Fire detector ER ・ ・ ・ Smoke control equipment

Claims (5)

[Claims] 1. A plurality of fire receivers having a communication function,
It is configured by connecting a host computer with a communication function to a communication line.When the fire receiver detects an abnormality such as a fire, it automatically calls the host computer and transmits the abnormality information. On the side, a disaster prevention centralized monitoring and control system that performs necessary monitoring and control in response to abnormal information. 2. A plurality of fire receivers having a communication function,
It is configured by connecting to a communication line with a host computer equipped with a communication function. By calling one of the fire receivers from the host computer and sending a control signal, the remote control required for the fire receiver is performed. Centralized monitoring and control system for disaster prevention. 3. The fire computer according to claim 1, wherein the host computer has an interlock control table for performing interlock control between the fire receivers. If you receive a call from any of them and receive abnormal information,
A disaster prevention centralized monitoring and control system characterized in that interlocking control between fire receivers is performed by referring to the interlocking control table and transmitting a control signal to a fire receiver targeted for interlocking control. . 4. The fire prevention system according to claim 1, wherein each of the plurality of fire receivers is connected to a communication interface having a communication function connected to a communication line. Centralized monitoring and control system. 5. The host computer according to claim 1, wherein the host computer includes a display unit for displaying fire information and a remote control unit for sending a control signal to a fire receiver. Centralized monitoring and control system for disaster prevention.