KR19990008885A - Fire alarm device with announcement function - Google Patents

Abstract

According to the present invention, a fire alarm having a fire alarm connected to a telephone line in the event of a fire in an apartment or a building and a guide broadcast function capable of conducting guidance and evacuation broadcasting to the surrounding area where the risk of exposure is greatest is increased. An apparatus, comprising: sending a plurality of alarm signals generated at a receiver to a central control unit, the central control unit providing a signal to the first and second voice synthesis units transmitting a corresponding fire occurrence place and evacuation method, and the like. The first voice synthesis unit synthesizes the announcement to the fire occurrence location to the first matching transformer, the second voice synthesis unit synthesizes the announcement to the place where the damage is expected or need to evacuate the second matching transformer A signal is provided to the connection switch unit through the connection switch unit, and the connection switch unit is provided from the first and second matching transformers. The signal is broadcasted through a speaker installed at a corresponding place according to a control command provided from the central control unit, thereby reducing the cost of providing a separate announcement system and providing accurate fire information when a fire occurs. It is effective in preventing safety accidents by being able to notify the place where damage is expected or where rapid evacuation is required.

Description

Fire alarm device with announcement function

The present invention relates to a fire alarm device, and in particular, by detecting the fact that the fire occurred, and the announcement and evacuation broadcast to the place where the fire needs to be evacuated promptly to evacuate human life damage and effective response announcement It relates to a fire alarm device having a function.

In general, a fire alarm device generates a fire signal by providing a fire signal detected through a sensor, which is a fire detection element, to a line connected to the receiver and a receiver in a premises.

A configuration of a conventional fire alarm apparatus having the above function will be described with reference to FIG. 1.

1 is a block diagram showing the configuration of a fire alarm apparatus according to the prior art. As shown in FIG. 1, a conventional fire alarm apparatus includes a receiver 10 installed at a central management office that manages a building or fire occurrence and a fire alarm 20 installed at each main location of the building.

The alarm 22 is attached to the alarm bell 22, the indicator 24, and the transmitter 26, and a sensor 30, which is a fire detection element, is connected in parallel with the transmitter 26.

Operation of a conventional fire alarm device having the above configuration will be described in more detail with reference to FIG. 1.

As illustrated in FIG. 1, the receiver 10 installed at a central control center or a controllable place has a plurality of fire alarms 20 installed in parallel in a place where there is a risk of fire or need to be managed separately. Because of the large connection, if a fire occurs, the alarm bell 22 or the indicator 24 is transmitted by sending a signal detected by the sensor 30 which is a fire detection element through a line directly connected to the receiver 10. Will alert you.

In addition, when a manual switch (not shown) installed in the transmitter 26 is pressed by a witness, the alarm is transmitted to the receiver 10 through a line dedicated to the corresponding fire alarm 20 as described above. Or indicator 24.

At this time, since the transmitter 26 of the conventional fire alarm 20 is composed only of the on / off switch, as many circuits as the number of the fire alarm 20 is connected in parallel is required.

At this time, the individual circuits (circuits 1 to n) of the fire alarm 20 are composed of a sensor 30 and a transmitter 26 which are separate fire detection elements, respectively, and each fire alarm 20 is connected in parallel with each other. Not directly connected to the receiver 10.

However, the alarm bell 22 and the indicator light 24 that do not require separate signal control may be used in parallel with each other.

Therefore, in the case of an n-storey building, at least n or more fire alarm circuits for connecting with the receiver 10 are required.

The conventional fire alarm device detects the occurrence of a fire through the sensor 30 which is a fire detection element, and supplies a power required for the fire alarm 20 composed of the alarm bell 22, the indicator light 24, and the transmitter 26. Surveillance function indicating the operation status of the fire alarm and the fire alarm device, alarm function through the alarm bell 22 and the indicator 24 in the event of a fire and a reserve power supply function for supplying power for a certain time in case the external power is cut off. It has a back.

In addition, the capacity of the receiver 10 according to the related art is determined according to a contact point to which the fire alarm 20 can be connected.

For example, if five fire alarms 20 are needed, five circuits of receiver 10 are used.

However, in the event of a fire, alarms are provided through alarms and indicators, or computers or broadcasting systems installed separately are used to broadcast to related persons in the building through speakers, which is expensive to prepare. When the system operator is not in the field, there is a big problem that it is not possible to immediately broadcast the fire alarm, and can not prevent rapid evacuation and fire suppression.

In addition, even when a fire is normally detected and alarmed through alarm bells or indicators, people who are active outside the relevant place or those who are active in the expected area in case of a fire break out, There was a big problem that could not make a quick judgment because it does not know the progress of the process and can be greatly damaged.

Therefore, the present invention was created to solve the above problems, the purpose of which is to guide the safe and rapid evacuation by providing a guide broadcast to the immediate location and damage expected area when a fire occurs immediately It is to provide a fire alarm device having a broadcasting function.

1 is a block diagram showing the configuration of a conventional fire alarm apparatus.

2 is a block diagram showing in detail a fire alarm apparatus having a guide broadcasting function according to the present invention;

Explanation of symbols for main parts of the drawings

10 receiver 20 fire alarm

22: seedling 24: indicator light

26: transmitter 30: sensor

40: central control unit 50, 52: first and second speech synthesis unit

60,62: 1st, 2nd matching transformer 70: connection switch part

80: speaker

Fire alarm apparatus having a guide broadcasting function according to the present invention for achieving the above object, at least a receiver for receiving a fire occurrence alarm, and a bell and visible signal for indicating the alarm generated from the receiver as an audible signal A fire alarm device comprising a fire alarm having an indicator for indicating a fire and a transmitter for notifying a fire occurrence to the receiver, the receiver comprising: a central control unit receiving a fire alarm signal and controlling a guide broadcast according to a situation; Receiving a voice synthesizer for synthesizing the position and guidance broadcasts corresponding to the fire alarm signal provided from the central controller, a matching transformer for amplifying and impedance matching the output of the voice synthesizer, and an output signal of the matching transformer; Place or place of fire in accordance with the instructions of the central control unit Selecting a speaker is installed in the expected places, accomplished by comprising a connection switch for transmitting the announcement.

Hereinafter, a preferred embodiment of a fire alarm apparatus having a guide broadcasting function according to the present invention having the above configuration will be described with reference to the illustrated drawings.

2 is a block diagram showing a fire alarm apparatus having a guide broadcasting function according to the present invention.

As shown in FIG. 2, the receiver 10 operates a fire alarm device and is dedicated to a telephone terminal and a fire alarm to which a power supply terminal and a telephone line are connected to the premises telephone line for a predetermined time when external power is cut off. A common terminal for grounding and a circuit terminal composed of a.

The receiver 10 provides the alarm signal to the central controller 40 by the number of fire alarms 20. In this case, when the number of fire alarms 20 installed in the premises is n, the number of output terminals provided from the receiver 10 to the central control unit 40 is n.

The central control unit 40 provides location information and guide information on a test station where a fire occurs to the first voice synthesis unit 50, and provides guide information on a region where damage is expected from a place where a fire occurs. The speech synthesizer 52 is provided.

The first speech synthesizer 50 and the second speech synthesizer 52 provide the outputs to the first matching transformer 60 and the second matching transformer 62, respectively, in order to provide stable guidance broadcasting up to a long distance. .

The first and second matching transformers 60 and 62 amplify a signal so as to match an impedance and provide an output thereof to the connection switch unit 70, respectively.

The connection switch unit 70 transmits the position information and the guidance information provided from the first and second voice synthesis units 50 and 52 through the first and second matching transformers 60 and 62. Receives, and receives the output control signal provided from the central control unit 40 to output a voice signal through the speaker (80).

The operation of the fire alarm apparatus having a guide broadcasting function according to the present invention having the above configuration will be described in more detail with reference to the illustrated drawings.

As shown in FIG. 2, a fire occurrence signal is input through a circuit terminal or a telephone terminal connected to the receiver 10 so that an alarm signal is provided in parallel to the central control unit 40.

The central control unit 40 transmits the location of the fire to the first and second voice synthesis units 50 and 52 by using the alarm signal input from the receiver 10.

The first speech synthesizing unit 50 provides the first matching transformer 60 by performing voice synthesis and power amplification on a guide broadcast necessary for a place where a fire has occurred.

The second speech synthesis unit 52 provides the second matching transformer 62 by performing voice synthesis and power amplification for the necessary broadcast on the floor directly above the location where the fire occurred or the place where the damage is expected.

The first and second matching transformers 60 and 62 extend from the receiver 10 receiving the fire occurrence signal to the speaker 80 attached to the fire alarm 20 at a length of several tens of meters (m). It should be designed to have enough amplification, considering that it can be up to several hundred meters (m).

If the output signal provided from the first speech synthesis section 50 or the second speech synthesis section 52 does not pass through the first or second matching transformers 60 and 62 as described above, the direct speaker ( When the 80 is driven, since the internal resistance of the speaker 80 is small and the signal loss is increased, a matching transformer is used to provide an impedance characteristic to the connection switch unit 70 by using a matching transformer at the output unit.

The connection switch unit 70 receives the outputs of the first and second matching transformers 60 and 62 and receives the speaker 80 n from the speaker 80 1 according to a control command of the central control unit 40. Will be output to the appropriate place.

For example, when a fire occurs on the third floor of the building, an alarm signal corresponding to the third floor of the building is provided from the receiver 10 to the central control unit 40.

The central control unit 40 detects that a fire has occurred in the third floor of the building by the signal output provided from the receiver 10.

The central control unit 40 outputs a signal indicating that a fire has occurred on the third floor of the building to the first voice synthesis unit 50, and the second voice synthesis unit 52 is expected to cause damage or prompt evacuation ( For example, the fourth floor will be instructed to perform an evacuation broadcast.

At this time, the first voice synthesizer 50 synthesizes the voice required for the fire warning and evacuation broadcasting on the third floor of the building, and the speaker 80 through the first matching transformer 60 and the connection switch unit 70 3. The terminal transmits the announcement through the speaker 80 installed in the fire alarm device on the third floor of the building.

The second voice synthesizer 52 synthesizes a voice required for evacuation broadcasting to the fire occurrence situation of the third floor of the building and the fourth floor of the building, which is an area expected to be damaged, and the second matching transformer 62 and the connection switch unit 70. The broadcast is transmitted through the speaker 80 of the fire alarm device installed on the fourth floor through the speaker 80 and four terminals.

If a fire occurs in another place, the central control unit 40 determines the fire and alternately for each place where a fire occurs, to immediately send a warning and guidance broadcast to a place where a fire is generated and a place where damage is expected or prompt evacuation is required. do.

Therefore, according to the fire alarm device having a guide broadcasting function of the present invention as described above, it is possible to accurately identify the place of fire by voice guidance, and even guide to the surrounding or other places that can be easily exposed to damage caused by fire. And by enabling the evacuation broadcast has an excellent effect that enables the rapid evacuation and immediate fire suppression.

In addition, since it is possible to grasp the fire occurrence situation of other places in the premises without installing a computer system or a high-cost announcement system that puts a separate cost, there is a useful effect that can significantly reduce the cost of the facility.

Claims (3)

A fire alarm having at least a receiver for receiving a fire occurrence alarm, an indicator for indicating an alarm generated from the receiver as an audible signal and an indicator for indicating a visible signal and a transmitter for informing the receiver of the fire occurrence; In the fire alarm device, The receiver, A central control unit receiving a fire alarm signal and controlling a guide broadcast according to a situation; A voice synthesizer for synthesizing a position and a guide broadcast corresponding to a fire alarm signal provided from the central controller; A matching transformer for amplifying and impedance matching the output of the speech synthesis unit; Guide broadcast function, characterized in that it is provided with the output signal of the matching transformer and the connection switch unit for transmitting the announcement by selecting a speaker installed in the place of fire or the place where the damage is expected according to the instructions of the central control unit Fire alarm device having a. The voice synthesizer of claim 1, wherein the voice synthesizer comprises: a first voice synthesizer configured to perform voice synthesis and power amplification for guiding and evacuating the place where a fire alarm is generated; Fire alarm device having a guide broadcasting function, characterized in that consisting of a second voice synthesizer for voice synthesis and power amplification for guidance and evacuation broadcasting to the place where damage caused by the fire alarm is expected or prompt evacuation. The matching transformer of claim 1, wherein the matching transformer comprises: a first matching impedance for receiving an output of the first speech synthesis unit and matching the impedance; And a second matching impedance for receiving an output of the second speech synthesis unit and matching the impedance.