JP2010198250A - Fire alarming device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fire alarming device which has a crime preventing function, and is excellent in construction performanceworkability. <P>SOLUTION: The fire alarming device 100 includes: a first alarm sound output speaker (first alarm means) 11d for outputting an alarm sound to announce the occurrence of a fire; a first control part (fire detection signal generation means) 11a for generating a fire detection signal; and a first alarm sound output speaker 12d (second alarm means) installed in a residence so as to be connected through a first signal line Ls to an interphone master unit (signal control device) 1 which generates an abnormality generation signal for crime prevention for announcing abnormality occurrence when receiving the abnormality generation signal to be transmitted form the interphone master unit 1. The fire alarming device 100 has an interface part 12g for signal line connection for performing both the transmission of the fire detection signal generated by the first control part 11a to the interphone master unit 1 and the reception of the abnormality generation signal to be transmitted from the interphone master unit 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a fire alarm device.

  Conventionally, as shown in FIG. 7, in a fire alarm device 11 ′ which is a residential fire alarm device installed in a dwelling unit and connected to an interphone master unit 1 ′ via a two-wire signal line Ls ′. In addition, a fire alarm device 11 ′ is proposed that outputs an alarm sound when a fire in a dwelling unit is detected, and checks the operation of the fire alarm device 11 ′ and notifies the dweller of the inspection result (patent) Reference 1). Here, when the fire alarm device 11 'is inspected, the dweller presses an inspection start button (not shown) provided on the interphone master unit 1'. When the inspection start button is pressed, the operation of the fire alarm device 11 'is inspected, and a notification sound for notifying the residents of the inspection result is output from the fire alarm device 11'. Further, when the fire alarm device 11 ′ detects the occurrence of a fire in the dwelling unit, a fire detection signal is transmitted from the fire alarm device 11 ′ to the interphone master unit 1 ′ via the signal line Ls ′, and the interphone master unit 1 'Also outputs a warning sound to notify the occurrence of a fire. Further, when the resident presses the inspection start button of the interphone master unit 1 ′, an inspection signal is transmitted from the interphone master unit 1 ′ to the fire alarm device 11 ′, and the fire alarm device 11 ′ receives the inspection signal. When the operation of the fire alarm device 11 'is checked and it operates normally, a notification sound for notifying that is output.

  Further, the intercom master unit 1 ′ is connected to a door phone slave unit 2 ′ installed outside the dwelling unit via a signal line L <b> 1 ′. The intercom slave 2 'includes a camera unit (not shown) that captures a visitor and generates a video signal, and transmits the video signal to the intercom master 1' via the signal line L1 '. In addition, the doorphone slave unit 2 ′ includes a display unit (not shown) for notifying the occurrence of a fire in the dwelling unit. When a fire occurs in the dwelling unit, the interphone master unit 1 ′ to the doorphone slave unit 2 ′ Flashes when an alarm display signal sent to is received. Here, the signal line L1 'is composed of a two-wire communication line for transmitting and receiving an audio signal and the video signal, and a two-wire control line for transmitting the alarm display signal. Therefore, the resident can make a call while checking the video of the visitor. When the fire alarm device 11 'detects a fire in the house, the interphone master unit 1' and the door phone slave unit 2 'sound an alarm sound in conjunction with the fire alarm device 11'. Here, a security intercom system is configured by the interphone master unit 1 ', the door phone slave unit 2', the fire alarm device 11 ', and the signal lines L1' and Ls'.

  By the way, due to recent revisions to the Fire Service Law, it has become mandatory for newly built units to install fire alarms for houses. Along with this, the demand for this type of security intercom system is expected to increase.

  In the security intercom system having the configuration shown in FIG. 7, a call can be made only between the interphone master unit 1 ′ and the door phone slave unit 2 ′. However, the inhabitant is informed that an abnormality such as illegal entry into the dwelling unit has occurred. There is a case where a security intercom system having a notification function is desired.

  In contrast, crime prevention to detect the occurrence of abnormalities in dwelling units, such as infrared sensors for detecting illegal intrusion into dwelling units and glass breakage sensors for detecting that the window glass of dwelling units has been destroyed A security intercom provided with a sensor (not shown) and a security alarm (not shown) which is set up in each room and rings when the security sensor detects an abnormality to notify the dweller that an abnormality has occurred A system is conceivable. Here, when the intercom master unit 1 ′ receives an abnormality detection signal transmitted when the security sensor detects the occurrence of an abnormality, the interphone master unit 1 ′ transmits an abnormality occurrence signal to the security alarm unit.

JP 2008-219288 A (paragraphs [0016] to [0034], paragraphs [0038] to [0041] and FIGS. 1, 2, and 4)

  However, in the case of a security intercom system including the security alarm installed in each room, a signal line for transmitting the fire detection signal from the fire alarm device 11 ′ to the interphone master unit 1 ′ is provided in the fire alarm device 11 ′. In addition, it is necessary to connect a signal line for transmitting the abnormality occurrence signal from the intercom base unit 1 ′ to each crime prevention alarm device to each crime prevention alarm device, and the workability is not good.

  This invention is made | formed in view of the said reason, The objective can provide the fire alarm apparatus which has a crime prevention function and has favorable workability.

  The invention according to claim 1 is a first alarm that is installed in a dwelling unit and outputs a warning sound to notify the occurrence of a fire when the fire detection means detects the occurrence of a fire and the fire detection means detects the occurrence of a fire. And a fire detection signal generating means for generating a fire detection signal when the fire detection means detects the occurrence of a fire, and a security sensor installed inside and outside the dwelling unit for crime prevention. When an abnormality detection signal is received, it can be connected to a signal control device that transmits an abnormality occurrence signal via a signal line, and when an abnormality occurrence signal transmitted from the signal control device is received, an alarm sound for notifying the occurrence of an abnormality is output. An alarm occurrence signal transmitted from the signal control device via the signal line, and transmission of the fire detection signal generated by the fire detection signal generation means to the signal control device via the signal line Characterized in that it has a signal line connection interface unit which performs both.

  According to this invention, both the transmission of the fire detection signal generated by the fire detection signal generation means from the fire alarm device to the signal control device and the reception of the abnormality occurrence signal transmitted from the signal control device to the fire alarm device are performed. By having a signal line connection interface unit to perform, to receive the signal line for transmitting the fire detection signal generated by the fire detection signal generating means to the interphone master unit, and the abnormality occurrence signal transmitted from the interphone master unit Therefore, the number of signal lines to be connected to the fire alarm device can be reduced, so that the workability can be improved.

  The invention according to claim 2 is the invention according to claim 1, wherein the fire alarm unit having the fire detection means, the first alarm means and the fire detection signal generation means, the second alarm means and the signal line connection A security alarm unit having an interface unit, and the fire alarm unit has a security alarm unit connection interface unit having a first connection unit electrically and mechanically connected to the security alarm unit The security alarm unit has a fire alarm unit connection interface unit having a second connection unit for electrical and mechanical connection to the fire alarm unit, and the first connection unit of the fire alarm unit is It is attached to the 2nd connection part of the alarm part for crime prevention so that attachment or detachment is possible.

  According to this invention, when the first connection part of the fire alarm part is detachably attached to the second connection part of the crime prevention alarm part, the fire alarm is activated when only the fire alarm part is broken. Since only the part needs to be replaced, the maintenance of the fire alarm device is facilitated, and the cost of parts necessary for the maintenance can be suppressed.

  According to the invention of claim 1, the transmission and reception of the fire detection signal and the abnormality occurrence signal between the fire alarm device and the intercom master unit are performed via the signal line connection interface unit of the security alarm unit. Since it is not necessary to separately connect a signal line for transmitting a fire detection signal and a signal line for transmitting the abnormality occurrence signal to the fire alarm device, the number of signal lines to be connected to the fire alarm device is reduced. Since it can be reduced, workability can be improved.

The fire alarm device of embodiment is shown, (a) is a perspective view, (b) is a disassembled perspective view. It is a block diagram of a fire alarm device same as the above. It is a schematic block diagram of the security intercom system using the fire alarm device same as the above. It is a block diagram of the intercom main unit in the security intercom system in which the fire alarm device is used. It is an operation | movement flowchart when a fire alarm part detects a fire in the security intercom system using the fire alarm device same as the above. It is an operation | movement flowchart when a crime prevention sensor detects abnormality generation in the security intercom system using the fire alarm device same as the above. It is a schematic block diagram of a prior art example.

  Hereinafter, embodiments will be described with reference to FIGS. 1 to 4.

  The fire alarm device 100 according to the embodiment, as shown in FIG. 2 (a), is set up in a dwelling unit and emits a warning sound to notify the occurrence of a fire when the occurrence of a fire in the dwelling unit is detected. When an abnormality detection signal is received from a fire alarm unit 11 that outputs a sound for notifying the occurrence of an accident and a crime prevention sensor 13 installed inside and outside the dwelling unit for crime prevention, an abnormality occurrence signal is transmitted. When an abnormality occurrence signal transmitted from the interphone master unit 1 (see FIG. 3), which is a signal control device, is received, it is configured from a security alarm unit 12 that sounds a security alarm sound and outputs a sound.

  As shown in FIG. 2B, the fire alarm unit 11 is formed in a disk shape, and the construction surface side has a first connection for electrical and mechanical connection to the security alarm unit 12. A pair of plug blades 111f projecting from each other, and on the side opposite to the construction surface, a first alarm means for sounding an alarm sound for notifying the occurrence of a fire and outputting a sound for notifying the occurrence of a fire A protruding portion 111c in which a certain first alarm sound output speaker 11d is built is formed. Here, a smoke introduction hole 111b for introducing smoke into the fire alarm unit 11 is formed in the side wall of the protrusion 111c. The plug blade 111f has a security alarm connection interface for transmitting a fire detection signal to the intercom base unit 1 via the security alarm unit 12 and the first signal line Ls when a fire occurs in the dwelling unit. Part (crime prevention alarm part connection I / F part) 11f.

  Here, as shown in FIG. 1, the fire alarm unit 11 detects a smoke introduced into the fire alarm unit 11 from the smoke introduction hole 111b (see FIG. 2A), and a fire occurs in the dwelling unit. The smoke detection unit 11b, which is a fire detection means for detecting the occurrence of the fire, the first alarm sound output speaker 11d, and the first alarm sound output speaker 11d when the smoke detection unit 11b detects the occurrence of a fire An acoustic processing unit 11c for sounding an alarm sound for notifying the occurrence of a fire and outputting a sound for notifying the occurrence of a fire; and a display unit 11e including an LED blinking when the smoke detection unit 11b detects the occurrence of a fire; When the fire alarm is detected by the alarm connection I / F unit 11f for crime prevention having the blade 111f and the smoke detection unit 11b, the display unit 11e blinks and the sound processing unit 11c is controlled to output the first alarm sound. For spin A first control unit comprising a CPU, which is a fire detection signal generating means for generating a fire detection signal and outputting it to the security alarm connection I / F unit 11f while sounding an alarm sound for notifying the occurrence of a fire from the power 11d 11a.

  Further, the fire alarm unit 11 is provided with a push button 11g connected to the first control unit 11a, and all the fire alarm units 11 sound an alarm sound for notifying the occurrence of a fire and output a sound. Under the circumstances, if the resident presses the push button 11g only once, an alarm sound for notifying the occurrence of a fire from the fire alarm unit 11 installed in each room other than the room where the fire has occurred and Audio output stops. Here, when the dweller further presses the push button 11g only once, the alarm sound and the sound output for notifying the occurrence of the fire from the fire alarm unit 11 installed in the room where the fire is occurring are stopped. To do. Here, when all the fire alarm units 11 sound an alarm sound for notifying the occurrence of a fire and output sound, when the push button 11g of one fire alarm unit 11 is pressed once, 1 control unit 11a to crime prevention alarm unit connection I / F unit 11f, fire alarm device connection interface unit (fire alarm device connection I / F unit) 12f, communication processing unit 12b and signal line connection I / F unit 12g described later An alarm stop signal is transmitted to the other residential fire alarm device 11 via. Further, when the push button 11g is pressed once, the first control unit 11a controls the sound processing unit 11c to sound an alarm sound from the first alarm sound output speaker 11d of the fire alarm device 11 and fire. The output of the sound for notifying the occurrence of is stopped. In the present embodiment, when all the fire alarm units 11 sound an alarm sound for notifying the occurrence of a fire and output sound, a fire occurs when the dweller depresses the push button 11g a plurality of times. When the alarm sound and the sound output for notifying the occurrence of a fire from the fire alarm unit 11 installed in each room other than the room being stopped are stopped, and the dweller further presses the push button 11g a plurality of times, You may make it stop the sound of the alarm sound which alert | reports generation | occurrence | production of the fire from the fire alarm part 11 installed in the room where the fire has occurred, and the output of an audio | voice.

  As shown in FIG. 2 (b), the security alarm unit 12 is formed in a disk shape having an outer shape larger than that of the fire alarm unit 11 in plan view, and is one surface in the thickness direction facing the construction surface of the ceiling material. A pair of arc-shaped plug blade insertion holes 112f into which the plug blade 111f of the fire alarm unit 11 is inserted are drilled on the other surface side in the thickness direction.

  In addition, a blade receiving terminal (not shown) which is a second connecting portion for electrically and mechanically connecting to the fire alarm unit 11 is disposed inside the alarm unit 12 for crime prevention. Here, the blade receiving terminal constitutes a part of the fire alarm connection I / F unit 12f for acquiring a fire detection signal generated by the fire alarm unit 11, and is inserted from the plug blade insertion hole 112f. The plug blade 111f is inserted. Here, a fire detection signal is transmitted from the other surface side of the security alarm unit 12 to the intercom master unit 1 via the second signal line Ls and from the interphone master unit 1 via the second signal line Ls. A first signal line Ls for transmitting the fire detection signal to the intercom base unit 1 is connected to a signal line connection interface unit (signal line connection I / F unit) 12g for receiving the transmitted abnormality occurrence signal. ing. The security alarm section 12 is provided with a screw insertion section (not shown) through which a mounting screw (not shown) can be inserted from the other surface side to the one surface side. The portion 12 is screwed to the ceiling material by the mounting screw inserted through the screw insertion portion in a state where the portion 12 is in contact with the construction surface of the ceiling material. The fire alarm unit 11 is attached to the other surface side of the security alarm unit 12 in a form in which the plug blade 111f is inserted into the plug blade insertion hole 112f. Thus, the fire alarm unit 11 and the security alarm unit 12 are electrically and mechanically connected. In addition, in the state where the fire alarm unit 11 is attached on the other surface side of the security alarm unit 12 (see FIG. 2A), the alarm sound for crime prevention is output to a place where the fire alarm unit 11 does not overlap. A second alarm sound output speaker 12d, which is a second alarm means, is provided.

  Here, as shown in FIG. 1, the alarm unit for crime prevention 12 includes a fire alarm connection I / F unit 12f and a fire detection signal acquired from the fire alarm unit 11 via the fire alarm connection I / F unit 12f. Is transmitted to the interphone base unit 1 and transmits / receives an abnormality occurrence signal transmitted from the interphone base unit 1 via the first signal line Ls, a signal line connection I / F unit 12g, The alarm sound output speaker 12d, the sound processing unit 12c that outputs a warning sound to the second alarm sound output speaker 12d when the communication processing unit 12b receives the abnormality occurrence signal, and the fire alarm connection I / F When a fire detection signal is input from the unit 12f, the fire detection signal is output to the communication processing unit 12b and the sound processing unit 12c is controlled to output a warning sound to the second warning sound output speaker 12d. A second control unit 12a comprising a CPU for controlling the sound processing unit 12c based on the abnormality occurrence signal output from the processing unit 12b and generating a warning sound for crime prevention from the second warning sound output speaker 12d; It has. Here, the signal line connection I / F portion 12g is provided with a terminal portion (not shown) including a pair of screwed terminal portions, and the two-wire first signal line Ls is connected to the terminal portion. Connected. In addition, when the 1st signal wire | line Ls is electrically connected to the construction surface of a ceiling material, and the hooking ceiling (not shown) which can attach the conventional fire alarm part (not shown) is provided. May be provided with a pair of hooking blades (not shown) in the signal line connection I / F part 12g of the security alarm part 12. In this case, the hooking blade of the security alarm unit 12 is inserted into a pair of arcuate hooking blade insertion openings (not shown) provided in the hooking ceiling, and the security alarm unit 12 is inserted into the hooking plug. By rotating the blade insertion opening by a specified angle in the arc direction, the hooking blade is hooked on the hooking ceiling. In this case, when attaching the alarm unit for crime prevention 12 to the ceiling material, screwing with the mounting screw is not required, so that workability is improved.

  As shown in FIG. 3, the fire alarm device 100 according to the embodiment is connected to an intercom base unit 1 installed in a dwelling unit via a first signal line Ls. The interphone master unit 1 is installed outside the dwelling unit and is connected to the door phone slave unit 2 through which a visitor inputs voice via the second signal line L1, and can communicate with the door phone slave unit 2. . The fire alarm device 100 is installed in each of a plurality of rooms in a dwelling unit, and the terminal portions of the signal line connection I / F portion 12g of each fire alarm device 100 are two-wire first signals. It is connected by the line Ls, and a fire detection signal can be transmitted and received between the fire alarm devices 100. Here, the fire alarm unit 11 transmits a fire detection signal to the intercom base unit 1 via the first signal line Ls when the occurrence of a fire is detected. When the intercom base unit 1 receives a fire detection signal from the fire alarm unit 11, the interphone base unit 1 outputs an alarm sound for notifying the occurrence of a fire from the call speaker 1 d used for a call with the door phone slave unit 2 and rings. The dwelling unit is provided with a security sensor 13 for detecting illegal intrusion into the dwelling unit. When the security sensor 13 detects illegal intrusion into the dwelling unit, an abnormality detection signal is transmitted to the intercom base unit 1 wirelessly. To do.

  The intercom base unit 1 includes an antenna 1m for receiving the abnormality detection signal transmitted from the security sensor 13. When receiving the abnormality detection signal from the security sensor 13, the intercom base unit 1 transmits an abnormality occurrence signal to each fire alarm device 100 via the first signal line Ls. The intercom master unit 1 is connected to the door phone slave unit 2 via the second signal line L1.

  The intercom handset 2 includes a camera unit (not shown) that images a visitor and generates a video signal, and transmits the video signal to the intercom base unit 1 via the second signal line L1. Therefore, the resident can make a call with the visitor while checking the video of the visitor with the intercom master unit 1. In addition, the doorphone slave unit 2 is a display unit (not shown) that blinks when an alarm display signal transmitted from the intercom master unit 1 via the second signal line L1 is received when a fire occurs in the dwelling unit. ) And prepared.

  Further, as shown in FIG. 4, the interphone master unit 1 transmits and receives audio signals to and from the door phone slave unit 2 and receives a video signal transmitted from the door phone slave unit 2. A second communication processing unit 1i that receives the fire detection signal transmitted from the fire alarm unit 11 and transmits an abnormality occurrence signal to the security alarm unit 12, and an audio signal transmitted from the door phone slave unit 2. Speaker 1d for outputting sound based on the above, a microphone 1e for collecting sound input by the dweller to the interphone main unit 1, and a microphone 1e for amplifying the voice signal input to the speaker 1d for calling or A speech processing unit 1h for amplifying a voice signal from the mobile phone, a third communication processing unit 1l for transmitting and receiving a voice signal and a fire alarm signal between the interphone sub-master unit 10, and a security center A wireless reception unit 1n that receives an abnormality detection signal transmitted from the wireless communication unit 13, a first communication processing unit 1c, a second communication processing unit 1i, a third communication processing unit 1l, a call processing unit 1h, and a wireless reception unit. And a signal processing unit 1a including a CPU that processes signals from 1n.

  The security sensor 13 includes an infrared sensor for detecting illegal intrusion into a dwelling unit, a window glass breaking sensor for detecting the breakage of the window glass by detecting the magnitude of vibration of the window glass in the dwelling unit, and the like. Here, the security sensor 13 wirelessly transmits an abnormality detection signal to the intercom base unit 1 for crime prevention.

  Also, interphone master unit 10 is connected to interphone sub-master unit 10 installed in a room different from the room in which interphone master unit 1 is installed and capable of making a call with door phone slave unit 2 via third signal line L2. Has been. When the interphone secondary master unit 10 receives a fire detection signal from the fire alarm device 100 via the second communication processing unit 1i, the signal processing unit 1a, and the third communication processing unit 1l of the interphone base unit 1, a speaker for call ( (Not shown) sounds an alarm sound to notify the occurrence of a fire.

  Here, a security intercom system is composed of the interphone master unit 1, the interphone sub-master unit 10, the door phone slave unit 2, the fire alarm device 100, and the security sensor 13. The intercom base unit 1 and the security sensor 13 may be connected by a signal line (not shown). In addition, the interphone sub-master device 10 is not necessarily provided.

  Next, regarding the security intercom system in which the fire alarm device 100 of the embodiment is used, an operation when the fire alarm unit 11 detects a fire will be described with reference to FIG.

  First, in the standby state (S0) of the security intercom system in which no fire has occurred in the dwelling unit and no call is made between the interphone master unit 1 and the door phone slave unit 2, the fire of the fire alarm device 100 is fired. The smoke detection unit 11b of the alarm unit 11 confirms whether or not a fire has occurred in the dwelling unit (S11), and if it detects that a fire has occurred in the dwelling unit, the fire alarm of the intercom master unit 1 and all the fire alarm devices 100 The part 11 rings (S12). Here, a fire detection signal is transmitted from the signal line connection I / F unit 12g of the fire alarm device 100 installed in the room where the fire has occurred to the intercom base unit 1 via the first signal line Ls, and the fire The signal line connection interface unit 12g of the alarm device 100 is transmitted to the signal line connection I / F unit 12g of the other fire alarm device 100 via the first signal line Ls, and the interphone master unit 1 and all the fire alarm devices 100 fire alarm units 11 sound an alarm sound (S12). When the alarm unit 12 for crime prevention of the fire alarm device 100 acquires a fire detection signal from the I / F unit 12f for connecting the fire alarm device, the second control unit 12a controls the acoustic processing unit 12c to generate the second alarm. The sound output speaker 12d sounds an alarm sound for notifying the occurrence of a fire and outputs a sound for notifying the occurrence of a fire.

  In the state where the fire alarm unit 11 of the fire alarm device 100 is ringing (S12), the presence or absence of smoke in the room where the fire occurred is confirmed again (S13). It again enters a standby state (S0). On the other hand, if the generation of smoke has not stopped, it is confirmed whether or not the push button 11g of the fire alarm device 100 has been pressed (S14). When a resident presses the push button 11g of the fire alarm device 100, an alarm stop signal is transmitted from the fire alarm device 100 to another fire alarm device 100, and a fire alarm unit installed outside the room where the fire has occurred 11 sounds an alarm sound for notifying the occurrence of a fire and stops the sound for notifying the occurrence of a fire, and only the fire alarm unit 11 installed in the room where the fire has occurred sounds an alarm sound for notifying the occurrence of a fire. A sound that sounds and notifies the occurrence of a fire is output (S15). Here, the crime prevention alarm unit 12 of the fire alarm device 100 installed in the room where the fire has occurred also sounds an alarm sound for notifying the occurrence of the fire and outputs a sound for notifying the occurrence of the fire.

  Thereafter, it is further confirmed whether or not the push button 11g is pressed (S16). If the push button 11g is not pressed, only the fire alarm unit 11 and the security alarm unit 12 of the fire alarm device 100 installed in the room where the fire has occurred are detected. After a predetermined time has passed with the alarm sound being output, the presence or absence of smoke is confirmed again (S11). On the other hand, when the push button 11g is pressed, the sound of the fire alarm unit 11 and the security alarm unit 12 of the fire alarm device 100 installed in the room where the fire has occurred is stopped (S17), and a predetermined time (for example, After elapse of 5 minutes, the presence or absence of smoke is confirmed again (S11).

  Next, an operation when the abnormality occurrence signal is transmitted from the security sensor 13 in the security intercom system in which the fire alarm device 100 of the embodiment is used will be described based on FIG.

  First, an abnormality detection signal transmitted from the security sensor 13 from a standby state (S0) in which no fire has occurred in the dwelling unit and no telephone call is being made between the interphone master unit 1 and the door phone slave unit 2. Whether or not there is is confirmed (S21). When an abnormality detection signal is detected, the abnormality occurrence signal is transmitted from the intercom base unit 1 to the fire alarm device 100 installed in each room via the first signal line Ls, and the fire alarm device 100 is used for crime prevention. The alarm unit 12 sounds an alarm sound for crime prevention and outputs a voice for crime prevention (S22).

  The second control unit 12a checks whether or not the push button 11g of the fire alarm device 100 is pressed while the crime prevention alarm unit 12 of the fire alarm device 100 is ringing (S23), and the resident presses the push button 11g. If so, the second control unit 12a controls the sound processing unit 12c to stop the sounding of alarm sound and output of sound from the security alarm unit 12 (S24).

  After all, in the fire alarm device 100 according to the embodiment, the fire alarm signal transmitted from the fire alarm device 100 to the interphone master unit 1 via the crime prevention alarm unit 12 and the interphone master unit 1 is transmitted to the fire alarm device 100. A signal line (not shown) for transmitting a fire detection signal from the fire alarm device 100 to the interphone master unit 1 by having a signal line connection interface unit 12g that performs both reception of an abnormality occurrence signal to be generated Since there is no need to separately connect a signal line (not shown) for transmitting an abnormality occurrence signal from the intercom base unit 1 to the fire alarm device 100, it should be connected to the fire alarm device 100. Since the number of signal lines can be reduced, workability can be improved.

  Further, the fire alarm unit 11 is configured such that the plug blade 111f of the security alarm connection I / F unit 11f that is the first connection unit is the blade of the fire alarm unit connection I / F unit 12f that is the second connection unit. The plug blade 111f of the fire alarm unit 11 is detachably attached to the blade receiver terminal of the security alarm unit 12 so as to be inserted into the reception terminal. Therefore, when only the fire alarm unit 11 is broken, it is not necessary to replace the entire fire alarm device 100, so that the maintenance of the fire alarm device 100 is facilitated. Further, when only the fire alarm unit 11 is broken, only the fire alarm unit 11 needs to be replaced, so that the cost of parts necessary for maintenance can be suppressed.

  In the fire alarm device 100 according to the embodiment, as described above, when the occurrence of a fire is detected, the fire alarm unit 11 outputs an alarm sound for notifying the occurrence of the fire, and the security alarm unit 12 also fires. Outputs an alarm sound to notify the occurrence of Therefore, even if the first alarm sound output speaker 11d of the fire alarm unit 11 is out of order, the security alarm unit 12 outputs an alarm sound for notifying the occurrence of a fire, so when a fire occurs in the dwelling unit In this case, it is possible to prevent a problem that no alarm sound is output.

1 Interphone main unit (signal control device)
11 Fire alarm part 11a 1st control part (fire detection signal generation means)
11b Smoke detector (fire detection means)
11d First alarm sound output speaker (first alarm means)
11f Crime prevention alarm unit connection interface unit 12 Crime prevention alarm unit 12d Second alarm sound output speaker (second alarm means)
12f Fire alarm connection interface unit 12g Signal line connection interface unit 13 Security sensor 100 Fire alarm device 111f Plug blade (first connection unit)
Ls first signal line

Claims (2)

  A fire detection means installed in a dwelling unit for detecting the occurrence of a fire, a first alarm means for outputting an alarm sound for notifying the occurrence of a fire when the fire detection means detects the occurrence of a fire, and a fire detection means Abnormality when receiving an abnormality detection signal sent from a fire detection signal generating means that generates a fire detection signal when a fire occurrence is detected and a security sensor installed inside and outside the dwelling unit for crime prevention A second alarm means that can be connected to a signal control device that transmits a generation signal via a signal line and that outputs an alarm sound that notifies the occurrence of an abnormality when receiving an abnormality generation signal transmitted from the signal control device; A signal that performs both reception of the abnormality occurrence signal transmitted from the signal control device via the signal line and transmission of the fire detection signal generated by the fire detection signal generation means to the signal control device via the signal line. Fire alarm device, characterized in that it comprises a connection interface section. A fire alarm unit comprising a fire alarm unit having the fire detection unit, the first alarm unit and the fire detection signal generation unit; and a security alarm unit having the second alarm unit and the signal line connection interface unit, The security alarm unit includes a security alarm connection interface unit having a first connection unit for electrical and mechanical connection to the security alarm unit. The security alarm unit is electrically connected to the fire alarm unit. A fire alarm unit connection interface unit having a second connection unit for mechanical connection is provided, and the first connection unit of the fire alarm unit is detachable from the second connection unit of the security alarm unit. The fire alarm device according to claim 1, wherein the fire alarm device is attached.

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