JP3200155B2 - Fire alarm system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plurality of terminal devices including a controlled terminal device such as a fire door and a monitoring terminal device such as a fire detector connected to a repeater or a receiver of a fire receiver. The section relates to a fire alarm system in which a controlled terminal device such as a related fire door is linked when a monitoring terminal device such as each fire detector operates.

[0002]

2. Description of the Related Art In a conventional fire alarm system, smoke evacuating equipment such as a damper and emergency equipment (controlled terminal equipment) include:
It is possible to perform interlocking control according to the operation of the fire detector (monitoring terminal device). In this case, controlled terminal devices to be linked with the operation of each sensor are set by the link table.

Therefore, in the conventional interlocking control, for example, when the fire detector detects a level higher than the fire discrimination level, the interlocking is automatically performed based on the contents of the interlocking table, or the fire detector operates. When the observer confirms a fire, he or she operates a confirmation switch or the like to link the two.

[0004]

[Problems to be Solved by the Invention] By the way, in smoke prevention equipment and emergency equipment, there are two types of equipment that one wants to operate quickly and one that does not want to operate as much as possible in terms of importance and safety. is there. However, in the setting of the conventional interlocking table, all the controlled terminal devices that have been set are operated by the operation of one sensor, and the device to be operated cannot be selected. Therefore, it would be very convenient if the controlled terminal equipment could be selected and operated stepwise according to the progress of the fire.

[0005]

According to the present invention, in view of the above, a plurality of terminal devices including a controlled terminal device and a monitoring terminal device are connected to a repeater or a receiver of a fire receiver in view of the above,
In the fire alarm system, the receiving unit is configured to link related controlled terminal devices during operation of each monitoring terminal device, wherein the receiving unit sets the operation level of at least one of the monitoring terminal devices to three or more levels. set multistep, for each operation level of each stage of the monitoring terminal device, comprising: storage means for storing the classification interlocking table set the controlled terminal equipment to be interlocked, when the monitoring terminal equipment is operating From the contents of the section interlocking table stored in the storage means,
An interlocking means for reading and interlocking the controlled terminal device according to the operation level of the operated monitoring terminal device is provided.

The receiving unit further specifies the monitoring terminal device and one of the operation levels of the monitoring terminal device, and a monitoring terminal device specified by the specifying device. Operating means for reading and operating a controlled terminal device corresponding to the operation level from the contents of the section interlocking table stored in the storage means.

[0007]

The operation level of the monitoring terminal device is set in multiple stages, and the segmented interlocking table in which the controlled terminal devices to be linked are set for each operation level of each monitoring terminal device is stored in the storage means. When the monitoring terminal device operates, the interlocking means reads out and interlocks the controlled terminal device corresponding to the operation level of the operated monitoring terminal device from the contents of the sorting interlocking table stored in the storage means. ing. As described above, since the controlled terminal devices are linked in accordance with the operation level, an effective controlled terminal device suitable for the progress of the fire can be operated.

[0008] In addition to the above, by specifying means,
When one of the operation levels of the monitoring terminal device and the monitoring terminal device is specified, the operating means changes the controlled terminal device according to the operation level of the specified monitoring terminal device,
The contents are read from the contents of the section interlocking table stored in the storage means and operated. Thus, if necessary, a human can intervene to operate the controlled terminal device ahead of time when a fire occurs.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A fire alarm system according to the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an internal circuit of a fire receiver RE in a fire alarm system according to the present invention, and FIG. 2 is a diagram showing a plurality of fire receivers connected to the fire receiver RE shown in FIG. 1 via a signal line L1. 1 shows an internal circuit of the repeater RP. In this embodiment, the system is hierarchized and a plurality of repeaters RP are connected to the fire receiver RE, and each of the repeaters RP has a large number of terminal devices (monitoring such as a child repeater and a fire detector). Fire receivers, which monitor the operating status of terminal devices and controlled terminal devices such as fire doors, and make various decisions, such as fire decisions, based on information from those terminal devices. The fire receiver RE collects the results from each repeater RP, and manages the system based on the collected results (fire operation, recovery operation, transfer, etc.). ), For example,
Japanese Patent Application No. 4-41588 filed on Feb. 27, 1992 by the applicant, Japanese Patent Application No. 4-19176 filed on Feb. 4, 1992, and February 4, 1992. The description will be given taking a fire alarm system as described in Japanese Patent Application No. 4-19177 filed as an example. Of course, the present invention can also be applied to a fire alarm system in which a plurality of repeaters and various terminal devices are mixedly connected to the fire receiver RE, and the fire receiver performs all monitoring, judgment and management. It is something.

In the fire receiver RE shown in FIG.
U1 is a microprocessor, ROM 11 is a storage area for programs and the like including all operations, ROM 12 is a storage area for predetermined items such as addresses and instruction codes of each repeater, RAM 11 is a work area, and RAM 12 is a work area. A storage area for storing a database of all terminals collected from each repeater RP, OP is an operation unit for inputting by various switches and ten keys, etc., DP is an LED, a display light using a light emitting diode, and an LCD, a liquid crystal display. The display unit TRX11 includes a signal transmitting / receiving unit such as a parallel / serial converter or a serial / parallel converter for transmitting / receiving a signal to / from each repeater RP via the signal line L1, and IF11 to IF.
13 is an interface.

The signal line L1 is connected to the fire receiver RE shown in FIG.
FIG. 2 shows a block circuit diagram of one of the repeaters RP, for example, the n-th repeater, to which a plurality of repeaters are connected via a. The same applies to the internal circuits in other repeaters RP. In the n-th repeater RP shown in FIG.
A microprocessor and a ROM 21 are storage areas for programs including all operations, a ROM 22 is a storage area for predetermined items such as a self-address, an instruction code, a fire determination reference,
The ROM 23 is a storage area for a database of each terminal device and a section interlocking table described later. The RAM 21 is a work area. The RAM 22 collects information from each terminal device and stores a fire signal and an operation state of the controlled terminal device. The storage area TRX21 is provided with a fire receiver R via a signal line L1.
A signal transmission / reception unit such as a parallel / serial converter or a serial / parallel converter for transmitting / receiving signals to / from E, and a TRX22 is a monitoring terminal device such as a sensor or a controlled terminal device such as a fire door via a signal line L2. And a signal transmission / reception unit such as a parallel / serial converter or a serial / parallel converter for transmitting / receiving signals to / from various terminal devices including the TRX23, for transmitting / receiving signals to / from the display 36 via the signal line L3. A signal transmission / reception unit including a serial converter and a serial / parallel converter, and IF21 to IF23 are interfaces.

With this configuration, usually, each repeater RP
Collects status information from various connected terminal devices (monitoring terminal devices such as fire detectors, controlled terminal devices such as fire doors, etc.) and makes various decisions based on the collected status information. When the polling signal is received from the fire receiver RE, the judgment result information and the collected state information are transmitted to the fire receiver RE. Fire Receiver RE
Upon receiving the determination result information and the status information from the repeater, the device performs appropriate management based on the information content. For example, when a fire signal indicating the occurrence of a fire is received, a fire operation such as sounding a bell is performed, a fire recovery operation is performed when the fire subsides, and if necessary, And so-called transfer to report to other places.

The operation of each repeater RP also includes an interlocking operation of the controlled terminal equipment. That is, if it is determined that a fire has occurred based on information from the connected fire detector, that is, that the fire detector has been activated, the repeater transmits the signal to the fire detector or the like associated with the fire detector. An operation command is sent to the control terminal device. If the controlled terminal device to which the operation command is to be sent is connected to another repeater, the operation command is sent to the other repeater by designating the controlled terminal device. Which controlled terminal device is operated when the monitoring terminal device such as each fire detector operates is stored in the storage area ROM 23 in the form of a table of each monitoring terminal device and the controlled terminal device to be operated. Stored as a section linkage table.

Here, the section linkage table stored in the storage area ROM 23 will be described with reference to FIGS. In the present invention, instead of operating all the controlled terminal devices at once when the monitoring terminal device detects a fire or the like, the analog-type sensor detects a fire alarm as shown in FIG. In addition to the operation level as the level, a first pre-alarm (pre-alarm) level with a low fire accuracy or a second pre-alarm (second pre-alarm) with a higher fire accuracy than the first pre-alarm, that is, closer to the fire operation level Since there is a level, even if the first pre-warning (first pre-alarm) level or the second pre-warning (second pre-alarm) level is detected, the controlled terminal device which is preferably operated at that time is operated. I try to make it.

Referring to FIG. 3 showing an example of the operation level of the analog type sensor, the pre-alarm level and the fire alarm level (fire operation level) in one, two and three kinds of various sensors are shown in FIG. 01, 02, 0 shown to the right of
It can be roughly classified into four detection levels of 3, 04. For example, one type of fire alarm level (fire), two types of pre-alarm levels (pre-alarms), two types of multi-level second pre-alarm levels (second pre-alarms), and three types of multi-level first alarms The detection level is 02, which is almost the same as the pre-alarm level (first pre-alarm). In the case of smoke detectors, for example, in the case of a smoke detector, two types have a smoke density of about 10% / m (normal fire discrimination level), and three types have a smoke density (interaction with smoke prevention equipment). (For the forecast, etc.) is about 5% / m. In the case of a heat detector,
For example, one is about 60 ° C., two is about 65 ° C., and three is about 75
° C. Each level can be set within a predetermined range for each sensor, and accurate interlocking is performed by raising and lowering the level depending on the installation environment.

Based on the above, as a section interlocking table stored in the storage area ROM 23, as shown in an example in FIG. 4, the detection level of each sensor in FIG. That is, for each interlocking level,
Set the controlled terminal equipment to be linked. In this case, at the time of detecting the higher interlocking level, the controlled terminal devices set to the lower interlocking level are operated together. For example, when the smoke detector at address 01 (two types of multiple levels) detects the second pre-warning level, the detection level, that is, the interlocking level is 02 from FIG. Call for emergency elevators. When the fire progresses and the fire alarm level is detected, the detection level, that is, the interlocking level is 03 from FIG. 3, so the address 43 of the lower interlocking level 02 and the addresses 63, 41, 44 of the interlocking level 03 are set.
Are read out, and the activation of the damper at the address 63, the start of the emergency broadcast at the address 41, and the transfer of the address 44 to the central monitoring panel are performed. When the fire progresses further and three types of levels are detected, the interlocking level is 04 from FIG. 3, so the address 62 is further read in addition to the above, and the fire door of the address 62 is activated. As described above, in the section interlocking table, instead of operating the controlled terminal devices all at once when the sensor fires, the detection value of the sensor increases in steps each time it reaches each detection level, that is, the interlocking level. Each controlled terminal device is operated.

Hereinafter, the operation of the fire alarm system shown in FIGS. 1 and 2 will be described using the flowchart of FIG. 5 showing the operation of the fire receiver RE and the flowcharts of FIGS. 6 and 7 showing the operation of the repeater RP. Will be described.

The n-th repeater RP polls each terminal and reads the status information while there is no call from the fire receiver RE (N in step 208) (step 210). When the level detected by the sensor exceeds a predetermined fire determination level (a plurality of levels) (Y in step 214), the storage area ROM is determined according to the interlocking level.
23, all controlled terminal devices at or below the interlocking level are read out (step 220).
An operation signal is sent to the controlled terminal device (step 22).
6), the state of the sensor is stored in the storage area RAM 22 (step 216). If the terminal to be linked is out of the monitoring range of the n-th repeater (Y in step 222), a link signal is sent to another repeater (step 224). As described above, the controlled terminal devices to be linked are set separately according to the level detected by the sensor, and can perform an appropriate operation such as smoke emission control depending on the state of the fire. If there is an information return instruction by polling from the fire receiver RE (step 2)
08 and Y in step 238), storage area RAM
22 to read out the contents stored in the fire receiver R.
Return to E.

The fire receiver RE constantly collects status information from N repeaters by polling (step 1).
10). Then, when it is read from the repeater that a fire has occurred (Y in step 112), a necessary fire operation is performed (step 116).

In this embodiment, when a monitor such as a disaster prevention center having a fire receiver RE determines that it is necessary, the monitor and the operation level are designated using the ten keys of the operation unit OP. In order to perform the sorting control input. If there is a classification control input (Y in step 108, Y in step 120, and step 124), the fire receiver RE performs the same processing as in the case where it operates even if the designated sensor does not operate, to the repeater. As if to do
Send a sort control command to the repeater (step 12)
6).

The repeater RP receiving the sorting control command (Y in step 208, Y in step 228) reads out the controlled terminal equipment of the specified terminal to be linked with the specified level from the storage area ROM 23 (step S208). 23
0), and sends an operation command to the controlled terminal device (step 236). If the controlled terminal device is out of the range of the repeater, that is, a controlled terminal device connected to a repeater other than the repeater (Y in step 232), an interlock command is sent to the corresponding repeater (step 234). The repeater that has received the command (Y in step 242) issues an operation command to the corresponding controlled terminal device (step 244).

As described above, if the section control input can be performed, for example, a fire may be caused to each of the sensors on the same floor of the operated sensors even if those sensors have not been operated yet. In the same manner as the detection, the related controlled terminal device can be operated in conjunction, and proactive protection measures can be taken according to the situation.

[0023]

As described above, according to the present invention, a plurality of terminal devices including a controlled terminal device and a monitoring terminal device are connected to a receiver of a repeater or a fire receiver. In a fire alarm system in which related controlled terminal devices are linked during the operation of the device, the operation level of the monitoring terminal device is set to three or more stages, and the operation level of each stage of each monitoring terminal device is set. In each case, the controlled terminal devices to be linked are set in the section linkage table, so that there is an effect that an effective controlled terminal device suitable for the progress of the fire can be operated. In addition to the above, it is possible to artificially designate a monitoring terminal device and one of the operation levels of the monitoring terminal device. The controlled terminal device according to the operation level of the terminal device is read from the contents of the sorting interlocking table and operated, so that the controlled terminal device can be proactively operated if necessary in the event of a fire. There is also the effect that humans can intervene.

[Brief description of the drawings]

FIG. 1 is a block circuit diagram showing a fire receiver in a fire alarm system according to one embodiment of the present invention.

FIG. 2 is a block circuit diagram showing a repeater in a fire alarm system according to one embodiment of the present invention.

FIG. 3 is a diagram for explaining the present invention.

FIG. 4 is a diagram showing a section interlocking table stored in a storage area ROM 23 in the repeater in FIG. 2;

FIG. 5 is a flowchart for explaining the operation of the fire receiver shown in FIG. 1;

FIG. 6 is a flowchart for explaining the operation of the repeater shown in FIG. 2;

FIG. 7 is a flowchart for explaining the operation of the repeater shown in FIG. 2;

[Description of Signs] RE Fire Receiver OP Operation Unit DP Display Unit RP Repeater RAM22 Storage Area for Terminal Status ROM23 Storage Area for Terminal Database and Classification Interlocking Table

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G08B 17/00

Claims (2)

(57) [Claims] A plurality of terminal devices including a controlled terminal device and a monitoring terminal device are connected to a receiving unit of a repeater or a fire receiver, and the receiving unit is connected to a receiving device when each monitoring terminal device operates. In the fire alarm system in which a control terminal device is linked, the receiving unit sets the operation level of at least one of the monitoring terminal devices to 3
Storage means for setting a multi- stage or more, and for each operation level of each stage of the monitoring terminal device, storing means for storing a section linkage table in which controlled terminal devices to be linked are set, wherein the monitoring terminal device operates Fire alarm equipment comprising: an interlocking unit that reads out and interlocks a controlled terminal device according to the operation level of the operated monitoring terminal device from the contents of the sorting interlocking table stored in the storage unit when the operation is performed. 2. The receiving unit further includes: a monitoring terminal device; and a designation unit that can designate one of the operation levels of the monitoring terminal device; and a monitoring unit designated by the designation unit. 2. The fire alarm system according to claim 1, further comprising: an operation unit that reads a controlled terminal device corresponding to an operation level of the terminal device from the contents of the sorting interlocking table stored in the storage unit and operates the terminal device.