JPH0824724B2 - Centralized remote monitoring system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a central remote monitoring system for monitoring the occurrence of a fire in a designated area from a remote location and enabling the fire-extinguishing activities to be smoothly and swiftly performed even when the designated area is unattended when a fire occurs. Concerning the system, in particular, centralized remote monitoring equipped with an entrance / exit facility control device that sends out a fire notification signal to a monitoring device at a remote location and controls the entrance / exit facilities provided in a specified area so that it can be applied to cope with fire extinguishing. Regarding the system.

[0002]

2. Description of the Related Art It has been well known that a fire alarm system is installed in a building such as a large building or a factory. This is to manage fire control equipment such as a guard room in the building for the purpose of minimizing fire damage and early detection. There is a zone, and the facility is constructed on the assumption that there are people in it at all times.

[0003]

Such a conventional fire alarm system is based on the premise that a person in a building is involved in fire-fighting activities. Therefore, when a fire occurs, that person notifies the fire engine. Also, there is a problem that it is not possible to ensure the safety of human beings inside because it is necessary to actually carry out fire fighting activities. Therefore, the conventional fire alarm equipment has no control of the entrance / exit equipment in order to smoothly execute the coping action for extinguishing the fire from the outside, in consideration of the crime prevention surface when unmanned.

Further, a centralized remote monitoring system has been already provided in which the fire alarm system is combined with a security system for monitoring crime prevention and fire abnormality in the same designated area to comprehensively perform fire monitoring, security, etc. in the designated area. In consideration of crime prevention, this system often has doors, shutters, windows and other entrance and exit facilities completely closed so that only people who have been confirmed in advance can enter the building when unattended. However, in the event of a fire during such unmanned operation, despite the need for fire extinguishing activities from the outside, for example, even if a fire extinguisher arrives at the scene, it may not be possible to enter the building. However, there is the inconvenience that even if an external fire extinguisher arrives in a short time because of the standby state, special means such as an entry key or a card must arrive again. The delay in coping activities for extinguishing such fires is
Even if the fire damage causes enormous damage, and the fire extinguisher has a key for the entrance / exit equipment, the location of the entrance / exit equipment is unsuitable for fire extinguishing activities or it is difficult to immediately monitor the location of the fire. It is possible that
The key held by fire fighters is not always effective for fire fighting activities.

A fire / crime prevention system for unlocking an automatic locking device or an electric lock has already been provided (for example, JP-A-58-203595 and JP-A-54-79599). However, in those disclosed in these, in that the locking device is unlocked in response to the fire signal, even if the outside fire extinguishing personnel can be intervened, the crime prevention system side is neglected due to the fire occurrence. In not giving a complete solution. Therefore, in the unlikely event that the fire detection malfunctions, there is a problem due to the responsibility of the damage from the crime prevention. Therefore, in order to minimize fire damage, it is indispensable to develop a system that can quickly open or open the place necessary for fire fighting activities and avoid the occurrence of unsuspecting crime prevention. A device that satisfies the above essential requirements has not been provided yet.

In view of the above-mentioned conventional technique, an object of the present invention is to provide a fire signal generating means for generating a fire signal when a fire occurs in a designated area and a remote monitoring device for monitoring the designated area at a remote point. Configure the centralized remote monitoring system and pre-select the fire extinguishing activities to be performed smoothly and quickly, and control the most effective entrance / exit equipment for fire extinguishing so that it can be opened or opened to deal with it from the outside, and It is intended to avoid the occurrence of an unsuspecting state for crime prevention.

[0007]

According to the present invention, centralized remote monitoring is provided, which comprises a fire signal generating means for generating a fire signal when a fire occurs in a designated area and a remote monitoring device for monitoring the designated area at a remote point. In the system, an area monitoring circuit for receiving a fire signal from the fire signal generating means to generate a fire reception signal, and a notification circuit for transmitting a notification signal to the remote monitoring device in response to the fire reception signal of the area monitoring circuit. Then, after receiving the fire reception signal from the area monitoring circuit, it is determined whether or not the notification circuit has operated within a certain period of time, and when it is determined that the notification circuit has operated, the predetermined area is predetermined. In order to make the entrance and exit equipment ready for fire
Provide a centralized remote monitoring system equipped with an entrance / exit equipment control device having an entrance / exit equipment control circuit that sends a signal for a fire countermeasure preparation state after a delay time for avoiding an unsuspecting condition set by the delay time circuit To do.

Further, according to the present invention, the above entrance / exit facility control
When the control circuit determines that the above-mentioned notification circuit is not operating,
Line disconnection formation circuit that is activated to disconnect the power supply of the report circuit
Centralized remote monitoring system configured to include
Further, the entrance / exit facility control circuit is
Activates the local annunciation facility when it determines that the report circuit is not operating.
Concentration with a structure equipped with signal transmission means for transmitting signals
It is preferably a remote monitoring system.

[0009]

1 is a block diagram showing the basic configuration of a centralized remote monitoring system according to the present invention. In FIG. 1, the monitoring system according to the present invention has a transmitter 1 and a fire detector 2 that emit a fire occurrence signal when a fire occurs, and these are provided corresponding to a designated monitoring area. In addition, the system is a doorway that performs a control action for preparing a fire extinguishing preparation state, that is, a state in which the door equipment 6 such as a door or a shutter selected in advance in the monitoring area for fire extinguishing countermeasures can be opened or manually opened. The facility control device 3 has a facility control device 3, and the facility control device 3 is provided with a reporting circuit 4 for transmitting a reporting signal to a remote monitoring device 5 permanently installed at a remote location in response to the above-mentioned fire occurrence signal. There is. 7
When a fire occurs in the designated area, is a local notification device for notifying the surroundings of the fire in the designated area or in the vicinity of the site in response to a command from the entrance / exit facility control device 3. Further, the entrance / exit facility control device 3 includes an area monitoring circuit 31 and a facility control circuit 33 therein, and the latter facility control circuit 33 includes a timer 331, a first AND gate 335, a second AND gate 336, and an inverter 337. , First delay circuit 332, second delay circuit 333
Etc., and these respective circuit elements are connected to each other as shown.

Next, the operation of the centralized remote monitoring system of the present invention having the above-mentioned structure will be described. Now, when there is a person in the designated area where fire is monitored and a fire occurs in the outside designated area, when the person, for example, a worker, discovers a fire, the transmitter 1 is operated to operate the fire. Send the generated signal. Of course, the fire detector 2 may be activated to send out a fire occurrence signal earlier than the discovery of a fire by a person.
The fire occurrence signal from the transmitter 1 is sent to the area monitoring circuit 31. When there is no person in the designated area, the fire detector 2 detects a fire, and from this, a fire occurrence signal is sent to the area monitoring circuit 31 as described above. At this time, the area monitoring circuit 31 responsively sends out a fire signal to the equipment control circuit 33, activates the timer 331, activates the second delay circuit 333, and notifies the remote monitoring device 5 of the fire notification via the notification circuit 4. Sends out a fire signal S ₄ .

Upon reception of this fire signal, the remote monitoring device 5 makes an emergency contact by calling the fire engine by telephone and requests fire fighting activities. Of course, in the manned state, the fire engine will be notified when an internal worker discovers a fire, and even in the unmanned state, an external fire finder will report to the fire engine, but remote monitoring A reliable security measure is taken by the supervisor of the device 5 making an emergency call as described above. When the fire signal S ₃ similar to the fire signal S ₄ is sent from the notification circuit 4 to the first AND gate 335 while the timer 331 is operating, an output is generated at the AND gate 335. On the other hand, the second delay circuit 333
It is provided as a circuit for setting a delay time longer than the operation time of the timer 331, that is, a delay time longer than the time until the notification circuit 4 sends out the fire signal S ₃ in response to the fire occurrence signal S _1. There is. Now, timer 331
If the fire signal S ₃ is not sent from the notification circuit 4 during the operation of the above, the output of the second AND gate 336 is generated at the end of the delay time of the second delay circuit 333 due to the provision of the inverter 337. Further, when the fire signal S ₃ is sent out normally and the output is generated at the first AND gate 335, the entrance / exit facility 6 is set to the fire extinguishing preparation state via the first delay circuit 332, that is, the selected area selection shutter. Alternatively, the selection door is opened or manually opened.
Here, the first delay circuit 332 is preferably provided for the following reason. That is, if the time from the occurrence of a fire to the arrival of a fire extinguisher, that is, a person instructed by the remote monitoring device 5 or a person in charge of a fire engine arrives variably according to geographical conditions, etc. Even when it takes a relatively long time, it is possible to avoid the occurrence of an unsuspecting state of crime prevention due to the opening of the entrance / exit facility 6.

When the output of the second AND gate 336 is generated, it means that the fire signals S ₃ and S ₄ are not transmitted from the notification circuit 4, and therefore the remote monitoring device 5 is not notified of the occurrence of a fire. Therefore, the remote monitoring person has not reported to the fire department. At this time, the signal S from the output signal of the second AND gate 336 to the notification circuit 5
₂ is sent out. This signal S ₂ is for forcing the remote monitoring device 5 that constantly monitors the specified area to disconnect the line between the notification circuit 4 and the remote monitoring device 5, that is, to force a communication failure state. This is a signal, which allows the remote monitoring device 5 to detect a line abnormality so that confirmation measures can be taken by dispatching a security guard to the designated area. As a method of forcibly generating the line disconnection, for example, if the voltage of the notification circuit 4 is lowered in accordance with the signal S ₂ and the signal cannot be transmitted, the remote monitoring device 5 sends the signal within a predetermined time. Since it is not possible to receive, it can be detected as a disconnection. Also, when the notification circuit 4 and the remote monitoring device 5 are connected by a dedicated line, the pressure of the gas sealed between the outer sheath and the core of the electric wire is changed to cause the disconnection state. You can

The occurrence of the line disconnection is detected as an abnormality of the equipment such as the notification circuit 4 and the entrance / exit facility control device 3 according to the present invention installed in the designated area. In this embodiment, in such a state, the entrance / exit facility 6 cannot be opened or manually opened. This is because a request for fire fighting measures by a fire engine is not always required.
It is not always done on the part of the staff, and therefore even if a fire actually occurs, the entrance / exit facility is kept closed to avoid an unguarded state, and a guard arrives from the remote monitoring device 5. Is to wait for.

However, the output of the second AND gate 336 is also sent to the local notification equipment 7 to activate it in order to notify the fire notification to or within the designated area. The local notification equipment 7 is formed by ringing means such as a gong or display means such as a fire indicator light. As described above, since the local alarm facility 7 is activated so that a fire can be detected quickly, the entrance facility 6 may be activated regardless of whether the alarm circuit 4 is normal or defective. As described above, according to the present invention, in order to make a fire fighting request, the notification circuit 4 is activated, and the entrance / exit facility 6 can be opened or opened from the outside so that the fire extinguishing operation can be performed smoothly and quickly. Furthermore, the local alarm device is operated so that the occurrence of a fire can be detected quickly, and a line disconnection is forcibly created so that the remote monitoring device 5 can detect that some abnormality has occurred in the designated area, and finally extinguish the fire. I am trying to deal with it.

Next, a concrete embodiment of the notification circuit 4 used in the above-described centralized remote monitoring system according to the present invention will be described with reference to the block diagrams of the same circuit shown in FIGS. FIG. 2 shows a notification circuit 4 that enables communication only in one direction. When the entrance / exit facility control device 3 receives a fire signal and inputs it to the area monitoring circuit 31, a fire signal for activating the notification circuit 4 is provided. S ₁ is input to the starting circuit 401, and in the starting circuit 401, the fire signal S ₄ stored in the signal memory circuit 402 is sent to the external remote monitoring device 5 via the signal sending circuit 404 and the notification circuit 4 is sent. The operation signal S ₃ for confirming the operation of is output to the first AND gate 335. Now, the non-operation signal S ₂ from the second AND gate 336, for example, disconnects the power of the notification circuit 4 from the line disconnection forming circuit 4.
When it is input to 03, it means that the notification circuit 4 does not operate, that is, it cannot communicate with the remote monitoring device 5. Therefore, in order to make the remote monitoring device 5 detect that something is wrong with the area, the line disconnection forming circuit 403 is forcibly forced.
To operate. That is, in the present embodiment, while adopting a configuration in which a signal is unidirectionally sent from the notification circuit 4 to the remote monitoring device 5, even if the notification circuit 4 fails, the remote monitoring device 5
Is to detect it quickly so that not only abnormal recovery measures but also measures for extinguishing fires can be taken.

Next, in the embodiment shown in FIG. 3, the notification circuit 4
1 is an example configured as a bidirectional circuit capable of mutual communication with the remote monitoring device 5. The starter circuit 411 and the signal memory circuit 41 are similar to the notification circuit 4 of FIG. 2A described above.
2, the line disconnection formation circuit 413, the signal transmission circuit 414, and the like, and the reception circuit 415, and the reception confirmation signal S ₄ ′ in response to the fire occurrence signal S ₄ is received by the reception circuit 415. At this time, the operation signal S ₃ (see FIG. 1) indicating the century operation of the notification circuit 41 is output. At this time, in order to completely eliminate the unguarded state, when the fire extinguisher arrives, the remote monitoring device 5 is contacted by a wireless device or the like, and then the reception confirmation signal S ₄ ′ is sent from the remote monitoring device 5.
May be transmitted.

FIG. 4 shows another embodiment of the bidirectional notification circuit which is also capable of mutually communicating with the remote monitoring device 5. The notification circuit 42 of this embodiment sends the activation signal S ₁ via the switching circuit 426 to the first activation circuit 4 on the always connected side.
It outputs to 21. Then, a fire occurrence signal is output from the first starting circuit 421 to the first signal memory circuit 422. At this time, the first signal memory circuit 422 operates the timer 423 for a preset time, and the first signal sending circuit 42
When the reception confirmation signal S ₄ ′ from the remote monitoring device 5 in response to the fire signal S ₄ from No. ₄ is not input from the first reception circuit 425, the switching circuit 426 is switched and activated at the fall time of the timer 423, and the second startup is performed. The fire signal is sent from the circuit 427 to the second signal memory circuit 429, and the second signal sending circuit 43
The fire occurrence signal S ₄ is again sent to the remote monitoring device 5 via 0. That is, by sending the fire occurrence signal S ₄ by the first signal sending circuit 424 and the second signal sending circuit 430, the accuracy of the notification to the remote monitoring device 5 is improved, and the first time as for sending an actuation signal S ₃ of the report circuit 42 from the oR circuit 428 when there is acknowledgment signal S ₄ when there is received a 'or the second round of transmission of the fire notification signal S ₄ to the signal S ₄ It is the one. Further, the circuit disconnection forming circuit 431 is provided so as to form a line disconnection state when the signal S ₂ is input, as in the above-described embodiment.

Next, another embodiment of the equipment control circuit 33 of the entrance / exit equipment control device 3 shown in FIG. 1 will be described with reference to FIGS.
A detailed description will be given based on the block diagram shown in FIG. 7. In this embodiment, when the designated area to be monitored by the centralized remote monitoring system is being guarded and monitored by the same well-known automatic security system, the designated area is in an unmanned guarded state or in a disarmed manned state. It is configured to receive a mode signal from an automatic security system.

By the way, a signal of warning (unmanned) or cancellation of warning (manned) is inputted from the automatic equipment system mode switching device (not shown) to the mode discriminating circuit 84, and a fire signal is inputted through the OR gate 88. Mode determination circuit 8
When it is determined to be manned in 4, the guide light which is the evacuation guidance facility 10 in the designated area is turned on to promptly evacuate the worker in the designated area. When the mode discriminating circuit 84 discriminates that the driver is unattended, a closing signal S ₅ for unconditionally closing the entrance / exit facility 6 is sent. This is due to the fact that when security is unattended and people are unattended when the doors, shutters and doors are not closed, the movement of people from inside to outside is unattended. Instead, it is preferable that the door cannot be opened even by a thumb turn or the like originally installed in the emergency door. Also in this embodiment, as in the embodiment shown in FIG. 1, the OR circuit 85, the first circuit,
Second delay circuits 82, 83, first and second AND gate 8
6, 87, an inverter 89 and the like are provided, which are shown in FIG.
Acts the same as the similar element in. The entrance / exit facility 6 is set to a fire extinguishing preparation state by the open signal S ₆ output from the OR circuit 88.

The doorway equipment 6 will be described below.
The entrance / exit facility 6 is a state in which a shutter, a door, or the like can be opened or opened so that a fire extinguisher can enter from the outside when a fire extinguisher arrives so that the fire extinguishing activities can be performed smoothly and quickly. It is something to do. For example, when an electric lock is provided on the door, an unlock signal is transmitted to the electric lock so that the fire extinguisher can manually open the door from the outside. When using an electric shutter, connect it to the open / close contact of the shutter open / close operation box.
The shutter is opened by the control signal from the delay circuit 332. If the door is locked with a cylinder lock or a manual shutter, a key storage box for storing the key is specially attached, and the key storage box is always locked and the delay circuit 332 receives a signal. The key storage box can be opened only when sent out. At this time, if the handle can be opened by the manual shutter, the handle may be stored. A lamp may be attached so that a fire extinguisher can immediately determine the position of the key storage box.

In the present embodiment, the notification circuit 4 is incorporated in the entrance / exit facility control device 3, but it may be provided separately or may be used in combination with an automatic security system. In addition, the fire occurrence location is determined according to the connection terminal numbers of the fire detector and the transmitter, and a selection circuit is provided in the subsequent stage of the area monitoring circuit to select and control the optimum entrance / exit facility for fire fighting activities according to the occurrence location. You can also Further, the entrance / exit facility control device of this example may be combined with a fire receiver. Furthermore, in this embodiment, the local notification equipment is not operated when the entrance / exit equipment is opened or can be opened, but the local notification equipment may be operated at the same time to notify the occurrence of a fire.

[0022]

According to the present invention, in a centralized remote monitoring system (Centrise alarm system), a fire extinguisher person can enter a designated area such as a building at the same time as arriving at the place where the fire occurred (without waiting). Therefore, fire extinguishing activities can be carried out smoothly and quickly, the spread of damage due to fire can be prevented, and the electric lock etc. will be unlocked after confirming the notification of the fire occurrence signal to the remote monitoring device in advance. It is possible to avoid the occurrence of an unsuspecting state.

Further, by providing a delay circuit and varying the delay time by the delay circuit, it is possible to set the control of the entrance / exit facility to an appropriate delay time, so that the entrance / exit when the coping staff arrives. Since the equipment can be controlled and the alert state can be minimized, the crime prevention effect can be improved. When an unattended state is detected, the evacuation guidance emergency exit door and equipment cannot be unlocked from inside, thus improving the security level.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of a centralized remote monitoring system according to the present invention.

FIG. 2 is a block diagram showing one specific example of a notification circuit in the system.

FIG. 3 is a block diagram showing one of other concrete examples of the notification circuit in the system.

FIG. 4 is a block diagram showing one of other concrete examples of the notification circuit in the same system.

5 is a diagram showing a combined state of FIGS. 6 and 7. FIG.

FIG. 6 is a diagram showing the first half of a block diagram showing another embodiment of the entrance / exit facility control device of the monitoring system according to the present invention.

FIG. 7 is a diagram showing the latter half of a block diagram showing another embodiment of the entrance / exit facility control device of the monitoring system according to the present invention.

[Description of sign]

 DESCRIPTION OF SYMBOLS 1 ... Transmitter 2 ... Fire detector 3 ... Entrance / exit facility control device 4 ... Notification circuit 5 ... Remote monitoring device 6 ... Entrance / exit facility 7 ... Local alarm device 31 ... Area monitoring circuit 33 ... Equipment control circuit 332 ... First delay circuit 333 Second delay circuit 335 First AND gate 336 Second AND gate 403 Line disconnection forming circuit 413 Line disconnection forming circuit 431 Line disconnection forming circuit

Claims (3)

[Claims] 1. A centralized remote monitoring system comprising: a fire signal generating means for generating a fire signal when a fire occurs in a designated area; and a remote monitoring device for monitoring the designated area at a remote location. An area monitoring circuit that receives a signal and generates a fire reception signal, a notification circuit that sends a notification signal to the remote monitoring device in response to the fire reception signal of the area monitoring circuit, and a fire reception from the area monitoring circuit After receiving the signal, it is determined whether or not the notification circuit is operated within a certain time, and when it is determined that the notification circuit is operated, the predetermined entrance / exit facility in the designated area is set to the fire countermeasure preparation state. In case of delay
After the delay time set by the inter-circuit to avoid the unsuspecting state
The centralized remote monitoring system, characterized in that the inlet and outlet facilities control circuit for sending a signal for fire deal ready, equipped with a doorway equipment control apparatus having. 2. The centralized system according to claim 1, wherein the entrance / exit facility control circuit includes a line disconnection forming circuit which is activated so as to turn off the power supply of the notification circuit when it is determined that the notification circuit is not operating. Remote monitoring system. 3. The centralized remote monitoring system according to claim 1, wherein the entrance / exit facility control circuit includes signal sending means for sending a start signal to the local notification facility when it is determined that the notification circuit is inoperative.