JPH07244792A - Trouble display method for automatic fire receiver - Google Patents

Abstract

PURPOSE:To easily discriminate a factor when all the indicator lamps are turned off. CONSTITUTION:A sensor unit A1 is provided with a polling lamp 22, and an information processing part (sub CPU part) 12A1 of the sensor unit A1 controls the polling lamp 22 so that the polling lamp 22 can be turned on in a prescribed form when any transmitting signal is not transmitted from a central information processing part 10 to the sensor unit A1 within prescribed time. Since the polling lamp 22 is visually confirmed, even when all the indicator lamps are turned off, whether it is caused by the runaway of the central information processing part 10 or the reduction of a circuit voltage can be distinguished.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic fire receiver, and more particularly to a method of displaying a trouble when the central information processing unit of the automatic fire receiver is out of control.

[0002]

2. Description of the Related Art There has already been proposed a system for exchanging information by connecting a functional unit such as a sensor unit and a central information processing unit in a receiver of an automatic fire alarm system by multiple lines. Generally, a central processing unit (CPU) is built in a central information processing unit or a functional unit that exchanges information by such a multiple line.

An example of a conventional automatic fire receiver is shown in FIGS.
It will be described based on. FIG. 3 is an external view showing an automatic fire receiver and an operation panel provided on an operation surface of the automatic fire receiver. FIG. 4 is a configuration diagram showing an internal configuration of the automatic fire receiver and a configuration of devices connected thereto. FIG. 5 is an explanatory diagram showing an example of a method in which the automatic fire receiver transmits a transmission signal to each functional unit.

In FIG. 3, an automatic fire receiver 1 has various functional units built into a box-shaped housing provided with a door 2 that can be opened and closed, and various indicators and district lights are provided on the surface of the door 2. And an operation panel 3 on which operation switches are arranged. Reference numeral 4 is a fire light that lights up when a fire occurs, 5 is a district light that indicates a district where a fire occurs when a fire occurs, and 6 is a warning indicator light that indicates that a fire is being warned. 7 is a representative trouble indicator light that lights up when a trouble occurs, 8 is a trouble indicator light that displays the content of the trouble when a trouble occurs, and 9 is selected when individually checking the status of each line connected to the automatic fire receiver 1. It is a line number display lamp that displays the line number of the line that is being used. The operation panel 3 is provided with various other indicator lights and operation switches, but detailed description thereof will be omitted.

Next, the internal structure of the automatic fire receiver 1 and the structure of the equipment connected to the automatic fire receiver 1 will be described with reference to FIG. As shown in the figure, the automatic fire receiver 1 is provided with a central information processing unit 10 (main CPU unit), and each functional unit is connected to the central information processing unit 10 by multiple lines. ing. There are two systems in the multiplex line connected to the central information processing unit 10, and the first system multiplex line 1 to which a sensor unit described later is connected.
1a and a second system multiplex line 11b to which an operation panel unit for controlling various indicator lights and district lights arranged on the operation panel 3 and operation switches is connected.

First, each functional unit connected to the first system multiplex line 11a will be described. Sensor unit 1
Reference numeral 2 denotes a plurality of lines to which the sensor 13 or the sub receiver 14 is connected and an information processing unit (sub C) such as the sub CPU unit 12 _A1.
It is a unit equipped with a PU unit), which has functions such as fire test, transfer by fire line, individual district sound output, detection of fire signal, line break detection of sensor 13, and break detection of district sound line. is there.

The mixing unit 15 is a unit including a plurality of lines to which the sensor 13 and the smoke-exhaust terminal device 16 are connected and an information processing section (sub CPU section 15 _AB ). It is a unit that also has the function of a smoke exhaust unit.

The smoke-proof and smoke-proof unit 17 is a smoke-proof and smoke-proof terminal device 1.
A unit provided with a plurality of lines to which 6 is connected and an information processing section (sub CPU section) such as a sub CPU section 17 _{B1 and the} like, which individually activates the smoke control terminal equipment 16, monitors the operation of the smoke control terminal apparatus 16, It is provided with functions such as stopping operation sound for each line and detecting line disconnection / short circuit of the smoke-proof terminal device 16.

The alarm units 18 are units each including a plurality of lines to which the alarm devices 19 are connected and an information processing unit (sub CPU unit) such as the sub CPU unit 18 _C1 . It is equipped with functions such as individual line operation sound stop.

The common unit 20 includes an information processing section (sub C
It is equipped with a PU unit 20 _E1 ) and is connected to the first system multiplex line 11a of the automatic fire receiver 1, and outputs the main sound output, the district sound simultaneous ringing output, emergency broadcast control, various alarm monitoring, smoke emission control representative monitoring, and fire hydrant. It is a unit that performs operation detection, fuse disconnection detection, fire representative transfer, and power supply to the sub receiver.

Next, the operation panel unit 21 connected to the second system multiplex line 11b includes an information processing section (sub CPU section) such as a sub CPU section _{21a1 and} various displays provided on the operation panel 3. It is a unit that controls the lighting of the lamp and the district lamp 5 and detects the state of the operation switch.

The automatic fire receiver 1 constructed as described above
5, the central information processing unit 10 polls the various functional units connected to the first-system multiplex line 11a in the order shown in FIG. 5, and constantly exchanges information with each functional unit. However, for example, when a fire occurs and an interrupt signal output from one of the sensor units 12 is received, each sensor unit 12
And preferentially exchange information. Similarly, the central information processing unit 10 constantly transmits a transmission signal to the operation panel unit 21 connected to the second system multiplex line 11b, and various indicator lights and district lights provided on the operation panel 3 are constantly transmitted. It is configured to perform the lighting state control of No. 5 and the state detection of the operation switch.

[0013]

In the automatic fire receiver 1 as described above, the central information processing unit 10 (main CPU
Section) has a watchdog timer function, the central information processing section 10 is automatically reset when the central information processing section 10 runs away due to external noise or the like. Central information processing unit 10
There was a situation where he was still out of control. In such a case, the state of the device controlled by the central information processing unit 10 is indefinite, but the central information processing unit 10 causes the operation panel unit 2 to operate.
In some cases, all of the various types of indicator lamps controlled via 1 were turned off. If the circuit voltage drops abnormally due to an abnormality in the power circuit of the automatic fire receiver 1, or
Even when the power failure occurred and the voltage of the backup power supply dropped after the backup power supply guarantee period had elapsed, all of the various indicator lamps arranged on the operation panel 3 were turned off. Therefore, operation panel 3
When all of the various indicator lights arranged in the above state are turned off, it is possible to immediately discriminate whether it is due to the runaway of the central information processing unit 10 or due to the decrease in the circuit voltage described above. However, there was a problem that the handling was delayed.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a central information processing unit (when all of the various indicator lights arranged on the operation panel are turned off). It is an object of the present invention to provide a trouble display method for an automatic fire receiver, which can immediately discriminate between a runaway of the main CPU section) and a drop of the circuit voltage.

[0015]

In order to achieve the above object, a trouble display method for an automatic fire receiver according to claim 1 is provided with a central information processing unit and an information processing unit, and the central information processing unit sequentially performs An automatic fire receiver having a plurality of functional units that return a return signal to a transmission signal that is polled and transmitted from the central information processing unit,
A polling light is provided in at least one of the functional units, and when the transmission signal is not transmitted from the central information processing unit to the functional unit provided with the polling light within a predetermined time, the polling light is in a predetermined format. It is characterized in that the information processing unit of the functional unit provided with the polling lamp is controlled to control the polling lamp so that the polling lamp is turned on.

Further, the trouble display method of the automatic fire receiver according to claim 2 is the trouble display method of the automatic fire receiver according to claim 1, wherein at least one of the polling lights is operated by the operator. It is characterized by being provided on the board.

Further, in the trouble display method for an automatic fire receiver according to a third aspect of the present invention, a central information processing section is provided, and the central information processing section is sequentially polled and transmitted from the central information processing section. An automatic fire receiver having a plurality of functional units for returning a return signal to a transmitted signal, the transfer contact output section being provided in at least one of the functional units, and the transfer contact output within a predetermined time. The functional unit provided with the transfer contact output section so that the output of the transfer contact output section changes when the transmission signal is not transmitted from the central information processing section to the functional unit provided with the section. The information processing unit is controlled to control the transfer contact output unit.

[0018]

The transmission signal is not transmitted from the central information processing unit to the functional unit provided with the polling lamp provided in at least one of the functional units and within a predetermined time set longer than the time required for one round of polling. In case,
Information processing unit (sub CPU) provided in the functional unit
Section) so that the polling lamp is kept in a lighting state, the polling lamp blinks when returning the return signal when the central information processing section normally performs polling, and the central information processing section If the polling light does not run normally due to a runaway, the polling light will be kept on, and if the circuit voltage drops, the polling light will be turned off.Therefore, it is provided on the operation panel of the automatic fire receiver. Even if all the indicators are turned off,
By opening the door of the automatic fire receiver and visually confirming the lighting state of the polling light, it is possible to distinguish whether the off state of the indicator light is due to a runaway of the central information processing unit or a drop in the circuit voltage. . The polling light may be arranged on the operation panel. Further, the transfer contact output section may be provided in at least one of the functional units so that the information processing section (sub CPU section) can change the output of the transfer contact output section when all the indicator lamps are turned off. .

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the automatic fire receiver of the present invention will be described with reference to FIG. However, the same components as those of the conventional example will be denoted by the same reference numerals and detailed description thereof will be omitted. Figure 1
[Fig. 3] is a configuration diagram showing an internal configuration of the automatic fire receiver 1 and a configuration of devices connected thereto. 1, an automatic fire receiver 1 includes a central information processing unit 10, a functional unit connected to the central information processing unit 10 by multiple lines, and an operation panel 3 as in the conventional example shown in FIG. I have it. The lines provided in the sensor unit 12, the mixing unit 15, the smoke evacuating unit 17, and the alarm units 18 are connected to the sensor 13 or the sub-receiver 14, the sensor 13 or the smoke proof terminal device 16, the smoke proofing device, respectively. The smoke terminal device 16 and various alarm devices 19 are connected. Further, various indicator lights and district lights 5 and operation switches provided on the operation panel 3 are connected to the central information processing section 10 via the operation panel unit 21. Each functional unit connected to the first system multiplex line 11a is sequentially polled by the central information processing unit 10 as shown in an example in FIG. 5, and constantly exchanges information with the central information processing unit 10. . The various information lamps and district lights 5 and operation switches provided on the operation panel 3 are also controlled or monitored by the central information processing unit 10 via the operation panel unit 21 and the second system multiplex line 11b.

The embodiment shown in FIG. 1 is different from the conventional example shown in FIG. 4 in that a polling lamp 22 is provided in a sensor unit A1 which is one of the sensor units 12, and the sensor unit A1 is provided with the polling light 22. Information processing unit provided (sub CPU unit 1
2 _A1 ) is configured to control the lighting of the polling light 22, and the common unit 20 (hereinafter, common unit).
E1) is provided with a transfer contact output unit 23, an external device 24 is connected to the output terminal of the transfer contact output unit 23, and the transfer contact output unit 23 is connected when the central information processing unit 10 runs out of control.
That is, the sub CPU unit 20 _E1 controls the transfer contact output unit 23 so as to change the output state.

First, in the sensor unit A1, when the return signal is returned to the central information processing unit 10 with respect to the transmission signal transmitted from the central information processing unit 10 to the sensor unit A1, for example, the return signal The sub CPU unit 12 _A1 is configured to blink the polling light 22 according to the state. In addition, when the transmission signal is not transmitted again within a predetermined time from the time when the transmission signal is transmitted from the central information processing unit 10 to the sensor unit A1, the sub CPU unit keeps the polling lamp 22 in the lighting state. Configure 12 _A1 . In this case, the predetermined time is set to be longer than the time required for one round of polling. With this configuration, when the administrator blinks the polling light 22 provided on the sensor unit A1, the central information processing unit 10 is controlled.
It is possible to visually confirm that the information exchange between the sensor unit A1 and the sensor unit A1 is normally performed. Further, when the central information processing unit 10 runs out of control and normal polling is not performed, the sub CPU unit 12 provided in the sensor unit A1
_{Since A1} detects the runaway of the central information processing unit 10 and keeps the polling lamp 22 in the lighting state, the central information processing unit 1
It is possible to visually confirm that 0 is in a runaway state.

In the common unit E1, the output of the transfer contact output unit 23 is changed when the transmission signal is not transmitted again within a predetermined time from the time when the transmission signal is transmitted from the central information processing unit 10. The sub CPU unit 20 _E1 is configured. As a result, when the central information processing unit 10 runs out of control, the state of the external device 24 can be changed, so that it can be confirmed that the central information processing unit 10 is in a runaway state, and some processing operation can be performed on the external device 24. Can be done.

A different embodiment will be described with reference to FIG. In the embodiment shown in FIG. 1, the polling light 22 is provided on the substrate of the functional unit. Therefore, when all the indicator lights provided on the operation panel 3 are turned off, the administrator is required to open the door 2 of the automatic fire receiver 1. It was necessary to open the polling lamp 22 to check the lighting state of the polling lamp 22, but as shown in FIG. 2, if the polling lamp 25 is arranged on the operation panel 3 along with a character display such as "main CPU abnormal". It can be confirmed on the operation panel 3 that the central information processing unit 10 is in a runaway state. When the operation panel 3 is provided with the polling light 25, the function unit for driving the polling light 25 may be provided with wiring different from the multiplex line to drive the polling light 25. If the device unit to be controlled is the operation panel unit a1, installation of circuit wiring to the polling light 25 becomes easy. Also, the polling light 2
Instead of separately providing 5, the indicator lamp controlled by the operation panel unit a1 may be diverted to be turned on when the central information processing unit 10 runs out of control.

As an example, the sensor unit 12
An example in which the polling lamp 22 is provided in the common unit 20 and the transfer contact output section 23 is provided in the common unit 20, or the transfer contact output section 23 is provided in the common unit 20 and the polling lamp 25 is turned on by the operation panel unit 21 is shown. However, the type and number of functional units provided with the polling light or the transfer contact output unit are not limited to those in the embodiment. Further, although it has been described that the polling lamp 22 or the polling lamp 25 is continuously turned on when the central information processing unit 10 is out of control, the case where all the indicator lights are turned off due to the circuit voltage drop and the central information processing unit 1
It suffices to be able to distinguish from the case where 0 is runaway and all the indicator lights are turned off. Therefore, the lighting state (lighting type) of the polling lamp 22 or the polling lamp 25 is not limited to the continuous lighting state unless it is in the off state. You may drive so that it may be in a blinking state. Similarly, when the central information processing unit 10 is normal, it has been described that the polling lights 22 and 25 blink in accordance with the return signal, but it is sufficient if it can be distinguished from the lighting state when the central information processing unit 10 runs out of control. The present invention is not limited to the embodiment, and may be configured to be in a state such as an extinguished state during normal operation. Furthermore, the functional unit incorporated in the automatic fire receiver and the equipment connected to the functional unit are not limited to the embodiments.

[0025]

As described above, according to the trouble display method of the automatic fire receiver according to the first aspect, all the indicator lights provided on the operation panel are turned off by visually confirming the lighting condition of the polling lights. In this case, it is possible to distinguish whether it is due to a runaway of the central information processing unit or due to a drop in circuit voltage, so that appropriate measures can be taken quickly.

Further, according to the trouble display method of the automatic fire receiver according to the second aspect, when all the indications other than the polling lights are turned off due to the provision of the polling lights on the operation panel, the trouble occurs. Since it is possible to distinguish whether the central information processing unit is due to a runaway or a circuit voltage drop, it is possible to take an appropriate action quickly.

Further, according to the trouble display method of the automatic fire receiver according to the third aspect, since the output state of the transfer contact output unit changes when the central information processing unit runs away, it is provided on the operation panel. When all the indicator lights are turned off, it is possible to distinguish whether it is due to the central information processing unit's runaway or the circuit voltage drop by checking the state of the external device and the external device Processing operations can be performed.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of an automatic fire receiver used in a trouble display method for an automatic fire receiver according to the present invention.

FIG. 2 is a configuration diagram showing a different embodiment of the automatic fire receiver used in the trouble display method of the automatic fire receiver according to the present invention.

FIG. 3 is an external view showing an example of an automatic fire receiver.

FIG. 4 is a configuration diagram showing an example of a conventional automatic fire receiver.

FIG. 5 is an explanatory diagram showing an example of a method in which the automatic fire receiver exchanges information with each functional unit connected to the first system.

[Explanation of symbols]

1 Automatic Fire Receiver 10 Central Information Processing Unit 12 Sensor Unit (Functional Unit) 12 _A1 Sub CPU Unit (Information Processing Unit) 15 Mixing Unit (Functional Unit) 15 _AB Sub CPU Unit (Information Processing Unit) 17 Smoke Control Unit (Functional unit) 17 _B1 sub CPU unit (information processing unit) 18 Various alarm units (functional unit) 18 _C1 sub CPU unit (information processing unit) 20 Common unit (functional unit) 20 _E1 sub CPU unit (information processing unit) 22 , 25 polling lights

Claims (3)

[Claims] 1. A central information processing unit, and a plurality of functions including an information processing unit for returning a return signal to a transmission signal which is sequentially polled by the central information processing unit and transmitted from the central information processing unit. An automatic fire receiver having a unit, wherein a polling light is provided in at least one of the functional units, and the transmission signal is not transmitted from the central information processing unit to the functional unit provided with the polling light within a predetermined time. A method for displaying a trouble in an automatic fire receiver, comprising causing the information processing unit of the functional unit provided with the polling light to control the polling light so that the polling light is turned on in a predetermined format. 2. The trouble display method for an automatic fire receiver according to claim 1, wherein at least one of the polling lights is provided on an operation panel of the automatic fire receiver. 3. A central information processing unit, and a plurality of functions including an information processing unit for returning a return signal to a transmission signal which is sequentially polled by the central information processing unit and transmitted from the central information processing unit. An automatic fire receiver having a unit, wherein a transfer contact output section is provided in at least one of the functional units, and the central processing unit to the functional unit provided with the transfer contact output section within a predetermined time. Causing the information processing unit of the functional unit having the transfer contact output unit to control the transfer contact output unit so that the output of the transfer contact output unit changes when a transmission signal is not transmitted. A method of displaying a trouble of an automatic fire receiver, which is characterized in that