JP2000242869A - Fire alarm system provided with alarming test function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fire alarm system provided with an alarming test function, whose cost can be suppressed by conducting an alarming test by one person. SOLUTION: A radio transmission means 2 is connected to a fire receiver 1. When a fire signal is received from a fire sensor S and an originating unit P while an alarming test mode for conducting an alarming test of the fire sensor S and the originating unit P is executed, a sound signal containing the line number of a sensor line L1 to which the fire sensor S and the originating unit P are connected is transmitted to the radio transmission means 2. The radio transmission means 2 transmits the sound signal received from the fire receiver 1 to a radio reception means 2'.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a fire alarm system provided with a fire detector and a transmitter alarm test function.

[0002]

2. Description of the Related Art Conventionally, fire alarm systems have been introduced in buildings and condominiums, and fire receivers have been installed in centralized monitoring rooms, management rooms, etc., and the smoke density and ambient temperature of each room and dwelling units. Monitoring the occurrence of fires based on the data from Under normal monitoring conditions, fire detectors are installed in each room or floor, and when a fire detector or a transmitter emits an alarm, the fire detector or the sensor to which the transmitter is connected The line number (eg, one line) of the line is displayed, an alarm sound is sounded from the sound sounding unit, and the corresponding area sound device is sounded.

By the way, in such a fire alarm system, it is required by law that a fire test of a fire detector and a transmitter be performed once every six months. Therefore, the fire receiver is set in a fire test mode. After that, by bringing the tester close to the fire detector and heating or adding smoke, the fire detector is forcibly fired, that is, a so-called burn test or operation of the transmitter is performed. We are conducting such a report test.

[0004] That is, as shown in FIG.
However, when the tester T is brought directly close to the fire detector S or the transmitter P is operated, the fire receiver 100 causes the fire detector S or the detector line L1 to which the transmitter P is connected to be fired.
Is displayed on the display unit 115, and a ringing command signal is transmitted to the corresponding district acoustic device 300 via the district acoustic line L2 to ring. While confirming the sound of the district acoustic device 300, the tester M2 visually recognizes the line number of the sensor line L1 displayed on the display unit 115.

[0005]

However, in the above-mentioned conventional fire alarm system, since the fire test of the fire detector S and the transmitter P must be performed by one set of two persons, it is difficult to perform the fire test. Was costly. The present invention has been made in view of the above circumstances, and provides a fire alarm system having an alarm test function capable of suppressing costs by enabling an alarm test to be performed by one person. It is intended to be.

[0006]

In order to achieve the above object, in a fire alarm system having an alarm test function according to claim 1 of the present invention, a fire receiver is connected to a wireless transmission means. When a fire signal is received from a fire detector or a transmitter while the fire test mode for performing a fire test of a fire detector or a transmitter is being performed, the fire detector or the transmitter is transmitted to the wireless transmitter. An audio signal including the line number of the sensor line to which the transmitter is connected is transmitted, and the wireless transmission unit transmits the audio signal received from the fire receiver to the wireless reception unit.

Here, the wireless transmitting means and the wireless receiving means
It can be configured using a commercially available transceiver. In the fire alarm system having the alarm test function according to claim 2, the fire receiver discriminates between the alarm operation of the fire detector and the alarm operation of the transmitter, and outputs the judgment result as an audio signal. And send it.

In the fire alarm system having the alarm test function according to the third aspect, when the fire receiver recovers to the monitoring state, the fire receiver returns to the monitoring state to the wireless transmission means. Is transmitted, and the wireless transmission unit transfers the audio signal received from the wireless transmission unit to the wireless reception unit. In the fire alarm system having the alarm test function according to claim 4, the fire receiver automatically enters the monitoring state when a predetermined time has elapsed after receiving a fire signal from the fire detector or the transmitter. Recover.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram for describing a fire alarm system having an alarm test function according to the present invention. The fire detector 1 installed in the central monitoring room or the manager's office is connected to the fire detector S via the detector line L1.
And a transmitter P, and a district acoustic device 3 is connected via a district acoustic line L2.

[0010] In a normal monitoring state, when the fire detector S or the transmitter P installed in each room or floor emits an alarm, the fire detector S or the transmitter P which has issued the alarm is issued.
The line number (eg, one line) of the connected sensor line L1 is displayed, an alarm sound is sounded from the sound sounding unit 16 (see FIG. 2), and the corresponding area sound device 3 is sounded. I try to make it.

In this system, to perform a fire test of the fire detector S and the transmitter P, first, the fire receiver 1 is set to a fire test mode, and the signal line L3 is connected to the fire receiver 1. Through, constituting a wireless transmission means of the present invention,
A wireless transmitter 2 such as a transceiver is connected. In addition,
When a transceiver is used as the wireless transmitter 2, the signal line L3 may be connected to a microphone connection terminal of the transceiver.

When the tester M1 brings the tester T directly close to the fire detector S or operates the transmitter P, the fire receiver 1 is connected to the fire detector S and the transmitter P that have issued the alarm. The line number of the detected sensor line L1 is displayed on the display unit 15, and the corresponding district sound device 3 is sounded. Further, the fire receiver 1 sends an audio signal indicating that the fire detector S or the transmitter P that has issued the alarm has issued to the wireless transmitter 2 via the signal line L3.

At this time, when the fire detector S issues an alarm, a sound signal including the line number of the detector line L1 to which the fire detector S that has issued the alarm is connected, for example, "10 years old" When the transmitter P issues an alarm, an audio signal including the line number of the sensor line L1 to which the transmitter P is connected, for example, "10 The voice signal is sent out.

The radio transmitter 2 receiving the audio signal from the fire receiver 1 transmits the audio signal to the radio receiver 2 ′ such as a transceiver, which is owned by the tester M 1 and constitutes the radio receiving means of the present invention. And the wireless receiver 2 ′ outputs a voice message based on the received voice signal. Therefore, when the tester M1 listens to the audio signal output from the wireless receiver 2 ', it is possible to confirm that the fire receiver 1 is operating normally, so that the alarm test can be performed by one person. The cost can be reduced.

On the other hand, when a predetermined time (for example, 5 seconds) has elapsed since the fire signal was received from the fire detector S or the transmitter P, or the recovery button (not shown) of the fire receiver 1 was operated, When the receiver 1 recovers to the monitoring state, the fire receiver 1 sends an audio signal to the wireless transmitter 2 via the signal line L3 indicating that the fire receiver 1 has recovered.
At this time, the fire receiver 1 sends an audio signal, for example, “Jushinki Fukukyu” to the wireless transmitter 2.

Here, when the fire receiver 1 is restored, the sound of the district sound device 3 is stopped, so that an audio signal notifying this, for example, an audio signal such as "Chikubetsu Shishi" is transmitted. It may be. The wireless transmitter 2 receiving the audio signal from the fire receiver 1 transmits the audio signal received from the wireless transmitter 2 to the wireless receiver 2 ', and the wireless receiver 2' And output a voice message.

In order to enable the above-described operation, the configuration of the fire receiver 1 is as follows. FIG. 2 is a block diagram showing an example of an internal configuration of the fire receiver 1. The fire receiver 1 is configured by a CPU or the like, and a signal processing unit 10 that controls the following units and a sensor line L1. Receiving unit 11 for receiving a fire signal
And a sound sounding unit 12 for sounding sound from the speaker SP when the fire detector S or the transmitter P issues an alarm,
When the fire detector S or the transmitter P emits an alarm, a district sound unit 13 for sounding the corresponding district sound device 3, an operation unit 14 including various operation keys such as numeric keys,
A display unit 15 including a liquid crystal screen and various display lights,
A storage unit 16 configured with a RAM or the like, stores a plurality of predetermined voice messages, and registers a sensor line L1 to which the fire detector S or the transmitter P is connected and its line number in association with each other. A voice synthesizing unit 17 for synthesizing the line number of the sensor line L1 determined by the signal processing unit 10 with the voice message stored in the storage unit 16, and converting the voice message received from the voice synthesizing unit 17 into a voice signal. In the form of,
And an audio signal transmitting unit 18 that transmits the signal to the wireless transmitter 2 via the signal line L3.

In the fire receiver 1, the signal processing unit 1
0 indicates that when the receiving unit 11 receives a fire signal during the execution of the alarm test mode, the storage unit 16 is referred to and the fire detector S or the sensor line L to which the transmitter P is connected is connected.
In addition to discriminating the number of lines, it is also determined from the voltage level of the received fire signal whether the fired signal is the fire detector S or the transmitter P. The number of sensor lines L1 to which the device P is connected is displayed on the display unit 15, and the corresponding regional sound device 3 is caused to ring.

If the alarm is fire detector S,
The signal processing unit 10 reads, from the storage unit 16, a voice message indicating that the fire detector S has issued an alert, for example, a voice message such as "Kaisen Kanchiki Happu", and reads the read voice message and the determined line number. (Example: 19 lines) are synthesized by the voice synthesis unit 17.

At this time, the speech synthesizer 17
Since a voice message such as "Jukyukaikankanchihappu" is created, the signal processing unit 10
The created voice message is transmitted to the voice signal transmitting unit 18.
After that, the audio signal is transmitted to the wireless transmitter 2 via the signal line L3 by the audio signal transmitting unit 18 in the form of an audio signal.

On the other hand, if the notification is the transmitter P, the signal processing unit 10 stores the voice message indicating that the transmitter P has generated the alarm, for example, “Kaisen Hashishinsashi” from the storage unit 16. ", And the read voice message is combined with the determined line number (eg, 19 lines) by the voice synthesizer 17.

At this time, the speech synthesizer 17
Since a voice message such as “Sixteen hours” is created, the signal processing unit 10
Transmits the created voice message to the voice signal transmitting unit 18, and then causes the voice signal transmitting unit 18 to transmit the voice message to the wireless transmitter 2 via the signal line L3 in the form of a voice signal.

When a predetermined time elapses after the fire signal is received from the fire detector S or the transmitter P, or the recovery button (not shown) of the operation unit 14 is operated, the fire receiver 1 is in the monitoring state. Is restored, the signal processing unit 10 switches to the display unit 15
The line number of the sensor line L1 displayed in the area is deleted, and the sound of the district sound device 3 is stopped. Furthermore,
The signal processing unit 10 is controlled by the speech synthesis unit 17 to
From step 6, a voice message indicating that the fire receiver 1 has been restored, for example, a voice message such as "Jushin Fukukyu" is read, and the voice message is transmitted to the voice signal transmitting unit 18. ,
The received voice message is converted to a signal line L in the form of a voice signal.
3 to the wireless transmitter 2.

Here, the fire receiver 1 is configured using a so-called P-type receiver that connects the fire detector S and the transmitter P via a plurality of detector lines L1.
The present invention is not limited to this, and may be configured using a so-called R-type receiver that connects all fire detectors S and transmitters P with a common multiplex transmission line. In this case, when the fire signal is received from the fire detector S or the transmitter P during the execution of the fire test mode, the signal processing unit 10 generates the fire based on the address information included in the received fire signal. It is determined whether the fire detector S or the transmitter P is detected, and the line number to which the fire detector S or the transmitter P that has issued the alarm is connected is determined.

[0025]

As can be understood from the above description, in the fire alarm system having the alarm test function according to the first aspect, when an alarm test of a fire detector or a transmitter is performed,
The fire receiver sends an audio signal including the line number of the fire detector or the line of the sensor to which the transmitter is connected to the wireless transmitting means, and receives the audio signal. The transmitting means transmits the received audio signal to the wireless receiving means, and the wireless receiving means outputs the transmitted audio signal.

Therefore, the fire tester can confirm that the fire receiver is operating normally by listening to the sound signal sounded by the wireless receiving means, so that the fire test can be performed by one person. Cost can be reduced. In the fire alarm system having the alarm test function according to claim 2, the fire receiver discriminates between the alarm operation of the fire detector and the alarm operation of the transmitter, and outputs the judgment result as an audio signal. The tester listens to the discrimination result, so that a more accurate alert test can be performed.

In the fire alarm system having the alarm test function according to the third aspect, when the fire receiver is restored to the monitoring state, an audio signal indicating this is transmitted to the wireless transmission means, and the audio signal is transmitted. Since the received wireless transmitting means transmits the received audio signal to the wireless receiving means, the transmitted audio signal is sounded by the wireless receiving means. Therefore, when the tester listens to the sound signal sounded by the wireless receiving means, it is possible for one person to confirm that the fire receiver has been restored to the monitoring state.

In the fire alarm system having the alarm test function according to the fourth aspect, the fire receiver receives the fire signal from the fire detector or the transmitter, and if a predetermined time has elapsed after receiving the fire signal,
Since the monitoring status is automatically restored, the fire receiver does not need to perform a restoring operation, so that the fire alarm test can be performed by one person.

[Brief description of the drawings]

FIG. 1 is a diagram for describing a fire alarm system having an alarm test function of the present invention.

FIG. 2 is a block diagram illustrating an example of an internal configuration of the fire receiver.

FIG. 3 is a diagram for explaining an alarm test in a conventional fire alarm system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Fire receiver 2 ... Wireless transmitter 2 '... Wireless receiver S ... Fire detector P ... Transmitter L1 ... Detector line

Claims (4)

[Claims] 1. An alarm test function comprising a fire detector and a transmitter installed at an appropriate place in a building and a fire receiver for monitoring the fire detector and the transmitter. In the fire alarm system, wireless transmission means is connected to the fire receiver, and the fire detector and the fire detector are executed during a fire test mode for performing a fire test of the fire detector and the transmitter. When a fire signal is received from the transmitter,
An audio signal including a line number of a detector line to which the fire detector or the transmitter is connected is transmitted, and the wireless transmission unit transmits the audio signal received from the fire receiver to a wireless reception unit. A fire alarm system having an alarm test function, characterized by transmitting. 2. The fire receiver according to claim 1, wherein the fire receiver discriminates the alarm operation of the fire detector and the alarm operation of the transmitter, and includes the discrimination result in the audio signal. A fire alarm system having an alarm test function, which is transmitted. 3. The fire receiver according to claim 1, wherein when the fire receiver recovers to the monitoring state, the fire transmitter notifies the wireless transmission means that the fire receiver has recovered to the monitoring state. Wherein the wireless transmission means transmits the audio signal received from the fire receiver to the wireless reception means, the fire alarm system having an alarm test function. 4. The fire receiver according to any one of claims 1 to 3, wherein the fire receiver automatically enters a monitoring state when a predetermined time has elapsed after receiving a fire signal from the fire detector or the transmitter. A fire alarm system equipped with an alarm test function, characterized by recovery.