JP2000020843A - Fire alarm system for apartment-house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a afire alarm system for performing residence check without generating unnecessary anxiety among residents, and for simultaneously performing integral check including the check of a district sound control signal line and a voice alarm signal line. SOLUTION: An outside tester 40 is connected to a repeater 50, and when a middle of test signal E9 is outputted through the repeater 50, a receiver 70 for residence judges that test is being executed. At the time of detecting that an operation signal E1 corresponding to the normal end of test and a district sound control signal and a voice alarm signal from a receiver 60 for residence are transmitted, the receiver 70 for residence blinks a display lamp 20 of an outdoor display 80, and rings a speaker 20 of the outdoor display 80 by its own power source. Also, when a receiver 60 for residence is set in a check mode at the time of residence check, a pseudo voice signal which cannot be heard or hardly heard by residents is outputted by the receiver 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a fire detector, a repeater, a receiver for a dwelling unit and an outdoor indicator for each dwelling unit to individually monitor the dwelling unit, and a receiver for a dwelling unit in a central management room or the like. And a fire alarm system for apartment houses for centralized monitoring.

[0002]

2. Description of the Related Art In a conventional fire alarm system for a condominium, when a fire detector provided in a dwelling unit issues an alarm,
A fire signal is sent from the housing information panel (dwelling unit receiver) installed in the dwelling unit to a dwelling unit receiver installed centrally in the supervisory room or the like for monitoring disaster prevention information. Upon receiving the fire signal, the receiver for the living building sends a local acoustic control signal and an audio alarm signal to the receiver for the dwelling unit of each dwelling unit on the fire floor and the floor immediately above the fire floor, for example, the receiver for the dwelling unit and the door phone (outdoor display) Ring the speaker. At the same time, the living building receiver sounds a fire by alerting a common-use speaker installed on the fire floor and the floor immediately above it.

FIG. 5 is a block diagram showing the configuration of an example of such a conventional fire alarm system for a condominium. In the fire alarm system for condominiums shown in this figure, a self-fire alarm comprehensive panel 2 is provided between the receiver 1 for the house ridge and the repeater 3, and the self-fire alarm comprehensive panel 2 is provided, for example, for each floor in each security zone. It is arranged every. The self-fire alarm comprehensive panel 2 is provided with relays BF, BN, a speaker 7 and the like, and the relays BF, BN are activated by the local acoustic control signal E6 from the living room receiver 1. In this case, when the relay contact bn is closed by the operation of the relay BN, the audio alarm signal E7 from the living room receiver 1 is supplied to the speaker 7 of the self-fire alarm comprehensive panel 2. Further, when the relay contact bf is closed by the operation of the relay BF, the audio alarm signal E7 from the living room receiver 1 is supplied to the outdoor indicator 5 and the common speaker 6 via the self-fire alarm comprehensive panel 2. Then, it is also supplied to the receiver for dwelling units 4 via the self-fire information comprehensive board 2 and the repeater 3. The district sound control signal E6 is supplied to the self-fire information comprehensive panel 2 and is also supplied from the self-fire information comprehensive panel 2 to the dwelling unit receiver 4 and the outdoor display 5 via the repeater 3.

The repeater 3 has sensor lines 11a, 11b
The self-restoring fire detectors 10 and 10 are connected in parallel through the self-restoring fire detectors 10 and 10.
Detects a heat or smoke caused by a fire, and causes an alarm current to flow between the sensor lines 11a and 11b. When this alarm current is output to the repeater 3, the receiving relay L of the receiving circuit 12 in the repeater 3 is activated, the relay contact 1 is closed, and the detector activation signal (hereinafter simply referred to as "activation signal"). ) E1 is output to the receiver 4 for dwelling units. At the same time as the operation of the receiving relay L, the holding relay M of the holding relay circuit 13 is also operated to close the relay contacts m ₁ and m ₂ , and the fire signal output permission state and the operation signal E1 holding permission state are changed. Produced.

In the dwelling unit receiver 4, when the activation signal E1 is input from the repeater 3, the reception relay R of the reception circuit 14 is activated. For example, if the activation is continued for 10 seconds, the reception state of the activation signal E1 is changed. At the same time, the holding relay H is activated, the relay contact h is closed, and the relay 3 is set to “L”.
The level holding signal E2 is output. When the holding signal E2 is output, the relay circuit 3 operates the holding circuit 17 via the relay contact f2, so that the holding relay M of the holding relay circuit 13 is not deactivated even if the fire detector 10 recovers. To hold. At the same time, the holding circuit 17 changes the supply voltage to the outdoor indicator 5 from +12 V to +24 V, which is the fire signal E8, and performs the fire display. The detection circuit 19 of the outdoor indicator 5 detects +24 V serving as the fire signal E8 and blinks the indicator lamp 20. The receiver 4 for dwelling units
By inputting the operation signal E1 from the repeater 3, the own voice synthesizing unit 27 is started, a message indicating the operation of the fire detector 10 is synthesized, amplified by the amplifier 28, and then amplified through the relay contact dc. 26.

[0006] In the dwelling unit receiver 4, monitoring is performed for a predetermined time within a range of 2 to 5 minutes from the time when the operation signal E1 is sent from the repeater 3. That is, when the activation signal E1 is input, the reception relay R is activated, and
Timer 15 5 min delay time T1 is set to start, when the timer 15 times out, the open relay contacts t _1, the fire determination signal E3 by chromatic voltage signal is cut off to the repeater 3 Is output. When outputting the fire determination signal E3, the dwelling unit receiver 4 synthesizes a message indicating the occurrence of a fire by the voice synthesis unit 27, amplifies the message by the amplifier 28, and outputs the amplified message from the speaker 26 via the relay contact dc. When the fired signal E3 is output from the dwelling unit receiver 4 and the voltage signal is cut off, in the repeater 3, the output of the photocoupler 21 changes from "L" level to "H" level, and the inverter 22 in by being being inverted output to "L" level, since it is already in the output allowable state relay contacts m ₂ closed at this point, operating current flows through the fire determined Utsuriho relay S. Fire confirmation relay S
There When activated, the fire signal E4 which relay contacts s ₁ is closed becomes "L" level is outputted to the Houses receiver 1 via the fire report signal line 23. Also closes relay contacts s _2, receivable state confirmation signal E5 from Houses receiver 1 is created.

[0007] In the living room receiver 1, the fire representative display and the district display are performed by receiving the fire signal E4 from the repeater 3 via the fire alarm signal line 23. At the same time, a fire representative relay (not shown) is activated, and a corresponding district relay (not shown) is activated. The activation of the fire representative relay closes the relay contact fa, and outputs a confirmation signal E5 to the repeater 3 via the confirmation signal line 24. The confirmation from the Houses receiver 1 signal E5 is output, and relay F in the relay station 3 is operated to close the relay contacts f _1, dwelling for a series circuit of the relay contacts m ₁ that is already closed The output state of the operation signal E1 to the receiver 4 is continuously maintained.
The input of the hold signal E2 from the dwelling unit receiver 4 is disconnected by opening the relay contacts f _2, the holding operation of the relay station 3 of the holding circuit 17 is performed by the confirmation signal E5 from Houses receiver 1 .

Further, in the receiver 1 for the residential building, the local acoustic control signal E6 is supplied to the neighboring dwelling unit, specifically, the dwelling unit on the fire occurrence floor and the floor immediately above it by the operation of the unillustrated district relay.
Is output. The local sound control signal E6 for the fire occurrence floor and the dwelling units on the floor immediately above the fire occurrence floor is given to the dwelling unit receiver 4 and the outdoor display 5. At this time, in the receiver 4 for neighboring dwelling units other than the fired dwelling unit, the phototransistor of the photocoupler 25 is turned on by the local acoustic control signal E6, the relay B is operated, and the relay contact b is opened to open the relay DC. Becomes inactive, the relay contact dc is switched to the audio alarm signal line 9 side, the speaker 26 is connected, and the audio alarm signal E7 from the audio alarm signal line 9 can be input. Also,
In the outdoor indicator 5 of the fire dwelling unit, the area acoustic control signal E is output in a state where the detection circuit 19 detects the fire signal E8.
6, the relay J is activated, and the relay contacts j1 and j2 are switched by the operation of the relay J.
Is connected to the audio alarm signal line 9, and the audio alarm signal E7 can be input.

In the receiver 1 for the residential building, the area acoustic control signal E
6, the voice signal generated by the activation of the voice synthesizing unit 30 is amplified by the amplifier 31, and then the voice alarm signal line 9 is output.
Is output as a voice alarm signal E7. Thereby, in the case of a fire in a dwelling unit, the speaker 7 of the self-ignition alarm comprehensive panel 2 on the fire floor and the floor immediately above it, the common unit speaker 6, the receiver for dwelling units of each dwelling unit other than the fire floor and the fire unit on the floor immediately above it The voice alarm signal E7 from the receiver 1 is supplied to the loudspeaker 26 of No. 4 and the loudspeaker 29 of the outdoor indicator 5 of the fire unit, for example, "Woo, fire, fire. A fire occurred on the first floor. Please make sure you are safe and evacuate. "

In the dwelling unit receiver 4 of the fired dwelling unit, it is inconsistent to output the voice message including the fired place from the speaker 26 despite the fire in the dwelling unit. In the dwelling unit receiver 4, the operation signal E
Receiving 1 activates the receiving relay R. At this time, the relay contact r provided on the local acoustic control signal line 8 is opened to inhibit the input of the local acoustic control signal E6. In addition, in all the outdoor indicators 5 except the fire unit, if a voice message is output all at once, it is difficult to hear the voice message, and it is difficult to externally determine which dwelling unit is the fire. Message output is prohibited.

[0011]

By the way, in recent years, the standard of the Fire Service Law has been revised, and in an automatic fire alarm system for an apartment house, in consideration of the case where a resident is away, the remote control of the fire detector even from outside the dwelling unit is considered. It was specified that an operation test can be performed.
In the conventional fire alarm system for a condominium as shown in FIG. 5, when an attempt is made to apply a configuration for performing a remote operation test of a fire detector from outside a dwelling unit, the relay 3 installed outside the dwelling unit is provided with a fire detection system. By connecting an external tester for remotely testing the detector 10, the detector lines 11 a and 11 b are switched to the external tester, and in that state, the fire detector 10
In this case, a test signal may be sent to each of the fire sensors 10 to perform an operation test on each of the fire sensors 10 and an external tester may be used to confirm the test results. In addition, at the time of the remote operation test of the fire detector 10, not only the operation test of the fire detector 10 but also a comprehensive inspection of the entire dwelling unit (a dwelling unit inspection) including an interlocking test with the receiver 1 for the dwelling unit. It is desired to do.

However, when such a dwelling unit inspection is applied to the conventional fire alarm system for a condominium as shown in FIG. 5, a remote operation test of the fire detector 10 by an external tester is performed. When the fire receiver E1 receives the fire signal E4 from the repeater 3, the local acoustic control signal E6 and the sound alarm signal E7 are sent to the fire floor and the dwelling units on the floor immediately above the fire floor. The speaker 7 of the general panel 2, the speaker 6 of the common part, the fire floor of the fire floor and the floor immediately above it, ie, the speaker 2 of the receiver 4 for dwelling units other than the inspection dwelling unit
6. The speaker 29 of the outdoor indicator 5 of the inspected dwelling unit outputs the audio warning signal output from the receiver for dwelling unit 1, causing a problem of causing the home resident to uselessly shake. Further, in this system, the speaker 26 of the dwelling unit receiver 4 of the inspection dwelling unit outputs an audio alarm signal E7.
Is not output, it is confirmed at the time of inspection that the local acoustic control signal E6 and the audio alarm signal E7 have reached the receiver 4 for the dwelling unit of the dwelling unit which is being inspected by connecting an external tester. There was a problem that it was not possible.

[0013] The present invention has been made in view of the above circumstances, and enables the inspection of dwelling units without causing the home occupants to be unnecessarily shaken. The inspection of the local acoustic control signal line and the voice alarm signal line is also performed. The purpose of the present invention is to provide a fire alarm system for apartment houses that can simultaneously perform comprehensive inspections including the inspection.

[0014]

In order to achieve the above object, a fire alarm system for an apartment house according to the first aspect of the present invention provides a fire detector for each dwelling unit and the fire detector via a detector line. And a repeater to which an external tester is connected during a dwelling unit inspection including a remote operation test of the fire detector, and an operation signal output when the repeater detects an alarm from the fire detector. A dwell unit receiver that outputs a fire confirmation signal to the repeater after a predetermined delay time upon receiving the operation signal and performing an audio alarm with its own speaker, and an audio alarm sent from the dwell unit receiver side An outdoor display provided with a speaker that outputs a signal is provided, and in the center of a caretaker room or the like, when the relay receives a fire signal output when receiving a fire determination signal from the dwelling unit receiver, Fire unit and neighboring house In the fire alarm system for apartment houses provided with a receiver for the residential building that outputs a local acoustic control signal and an audio alarm signal for the, in the external tester, when inspecting the dwelling unit, when performing a test start operation Providing a circuit unit for outputting a signal under test to the receiver for dwelling units via the repeater, and outputting a test normal end signal to the repeater when the test of the fire detector is normally completed; In the vessel,
When the under test signal is received from the external tester, the sensor line is switched from the dwelling unit receiver side to the external tester side and connected to enable a remote operation test of the fire detector from the external tester, When receiving a test normal end signal, outputs an operation signal to the dwelling unit receiver, and outputs the operation signal to the dwelling unit receiver when a fire determination signal is received from the dwelling unit receiver. A circuit unit for outputting a fire signal is provided, and the receiver for dwelling unit receives a signal during the test from the external tester via the repeater, thereby performing a sound alarm by its own speaker and a delay operation by the delay time. Prohibiting, when receiving an operation signal from the repeater in the state of receiving the signal during the test, outputting a fire confirmation signal to the repeater immediately without performing an audio alarm; State receiving medium signal Receiving the operation signal from the repeater, and detecting the local sound control signal and the sound alarm signal output from the living room receiver, thereby outputting the sound alarm signal generated by the own sound source to the outside. A circuit portion for outputting from a speaker of the display device is provided.

According to this configuration, when the fire detector output from the repeater is received by the living room receiver during the remote operation test of the fire detector by the external tester, the district sound control signal and the sound alarm signal are fired. It is sent to the dwelling unit and the neighboring dwelling unit. Therefore, by detecting the local acoustic control signal and the audio alarm signal sent from the receiver for the living premises, the alarm is output only from the speaker of the outdoor display with its own sound source.

Therefore, when the fire detector of the inspected dwelling unit is normal during the remote operation test of the fire detector by the external tester, an alarm is output only from the outdoor indicator of the inspected dwelling unit, and it is unnecessary for the resident. It is possible to inform the inspector of the result of the dwelling unit inspection without causing agitation.
In addition, since the dwelling unit receiver outputs the alarm from the speaker of the outdoor indicator of the dwelling unit by detecting the local acoustic control signal and the audio alarm signal, the inspection of the local acoustic control signal line and the audio alarm signal line is also performed. Comprehensive system tests can be performed at the same time.

According to a second aspect of the present invention, there is provided a fire alarm system for a condominium, wherein the receiver for the dwelling unit has a test recovery mode in which a fire signal sent from the relay set at the time of inspection of the dwelling unit is not retained. In the state where the test restoration mode is set at the time of inspection, the local acoustic control signal and the audio alarm signal are output only for about the time when the fire signal is output from the repeater, and the circuit unit of the external tester is The dwell unit receiver outputs a test normal end signal in a time shorter than the first detection time for detecting each of the district sound control signal and the voice alarm signal, and the circuit unit of the repeater outputs a test normal from the external tester. When the end signal is received, an operation signal is output to the dwelling unit receiver only for about the output time of the test normal end signal, and after receiving the operation signal, a fire determination signal is received from the dwelling unit receiver. In this case, a fire signal is output to the receiver for the dwelling unit only for about the output time of the fire determination signal, and the circuit unit of the receiver for the dwelling unit receives the signal during the test from the repeater, thereby receiving the area sound. The first detection time for detecting each of the control signal and the voice alarm signal is changed to a second detection time shorter than the output time of the test normal end signal output from the external tester, and the second detection time is changed. After the change, by detecting the local sound control signal and the sound alarm signal output from the living room receiver set in the test recovery mode, the sound alarm signal generated by its own sound source, the outdoor display Output from the speaker.

According to this configuration, the circuit unit of the dwelling unit receiver receives the under-test signal from the external tester, and thereby detects the first sound control signal and the first sound alarm signal.
Is changed to the second detection time shorter than the output time of the test normal end signal output from the external tester when the test of the fire detector is completed normally, so that the test recovery mode is set. Even if the district acoustic control signal and the voice alarm signal are output from the ridge receiver for substantially the same time as the output time of the test normal end signal, these can be detected.
Therefore, since the circuit unit of the receiver for the dwelling unit of the inspected dwelling unit can detect the local acoustic control signal and the voice alarm signal, it outputs an alarm only from the speaker of the outdoor display with its own sound source.

According to a third aspect of the present invention, there is provided a fire alarm system for a condominium, wherein the circuit unit of the receiver for a dwelling unit near the inspected dwelling unit receives a signal under test from the external tester via the repeater. And the first detection time, it is not possible to detect the district acoustic control signal and the voice alarm signal output from the receiver for a living building in which the test restoration mode for the dwelling unit inspection is set. . According to this configuration, the first detection time for detecting each of the local acoustic control signal and the audio alarm signal is usually longer if the circuit unit of the receiver for a dwelling unit does not receive the signal under test from the external tester. Since it is longer than the time, that is, longer than the output time of the test normal end signal, even if the local acoustic control signal and the voice alarm signal are output from the living room receiver, they cannot be detected.
Therefore, since the circuit unit of the receiver for the dwelling unit of the neighboring dwelling unit other than the inspection dwelling unit cannot detect the area acoustic control signal and the voice alarm signal, the circuit unit does not output an alarm from its own speaker or the speaker of the outdoor display.

The fire alarm system for an apartment house according to the fourth aspect of the present invention is disposed in a common area, and is connected to an audio alarm signal line for sending an audio alarm signal output from the receiver for a residential building to each dwelling unit. The living room receiver is provided with an inspection mode that outputs a pseudo audio signal that is inaudible or hard to hear to humans, and when the dwelling unit is inspected, the audio alarm is provided by setting the inspection mode. The pseudo sound signal is output instead of the signal. According to this configuration, when the receiver for a residential building is set to the inspection mode, a pseudo audio signal that is inaudible or hard to be heard by humans is output instead of the normal audio alarm signal, and the audio alarm signal is output to each dwelling unit. The sound of the common unit speaker connected to the voice alarm signal line to be sent is inaudible or difficult to hear, so that there is no need to cause unnecessary sway to home occupants or people in common areas such as corridors.

According to a fifth aspect of the invention, there is provided a fire alarm system for an apartment house, wherein the pseudo audio signal has a frequency of 10 to 10.
It is characterized by a low frequency of about 100 Hz or a high frequency of about 20 kHz.

According to a sixth aspect of the present invention, there is provided a fire alarm system for a condominium, which is provided at the center of a manager's office or the like, receives a fire signal and holds the fire signal. And a receiver for a residential building that outputs a local acoustic control signal and an audio alarm signal to a neighboring dwelling unit, a fire detector provided for each dwelling unit, and the fire detector connected via a detector line. A relay that outputs a fire signal to the living building receiver when a fire determination signal is received, and an operation signal that is output when the relay detects an alarm from the fire detector. In the state in which a voice alarm is given by its own speaker, the fire determination signal is output to the repeater after a predetermined delay time in response to the operation signal, and the operation signal output from the relay is not received. From the receiver for the residential building If the detected local acoustic control signal and the voice alarm signal exceed the first detection time set in advance, respectively, the voice alarm signal output from the living room receiver is output to the own speaker. A fire alarm system for communal housing, comprising: a receiver for dwelling units output from a receiver; and an outdoor indicator having a speaker for outputting an audio alarm signal sent from the receiver for dwelling units. Connected to the repeater at the time of inspection of the dwelling unit including a remote operation test of the sensor, and when a test start operation is performed, outputs a signal during the test to the receiver for the dwelling unit via the repeater and outputs the signal of the fire detector. A circuit unit for outputting a test normal end signal to the repeater in a shorter time than the first detection time for the dwelling unit receiver to detect each of the area acoustic control signal and the audio alarm signal when the test is normally completed. External tests provided When the relay device receives a signal during the test from the external tester, the sensor line is switched from the dwelling unit receiver side to the external tester side and connected to the fire detector from the external tester. The remote operation test of the container is enabled, and when a test normal end signal is received, an operation signal is output to the dwelling unit receiver for about the output time of the test normal end signal, and after outputting the operation signal, the dwelling unit When a fire determination signal is received from the receiver, a circuit unit that outputs a fire signal to the living room receiver for about the output time of the fire determination signal is provided, and the living room receiver includes the relay. With a test recovery mode that does not hold a fire signal sent from the vessel and an inspection mode that outputs a pseudo audio signal that is inaudible or hard to hear to humans, in a state where the test recovery mode and inspection mode are set at the time of dwelling unit inspection, From the repeater A pseudo sound signal is output in place of the area acoustic control signal and the sound alarm signal only for a time during which the fire signal is being output, and the under test signal from the external tester is output to the dwelling unit receiver via the repeater. The first detection time for detecting each of the local sound control signal and the voice alarm signal is changed to a second detection time shorter than the output time of the normal test end signal output from the external tester. Prohibit the sound alarm by the speaker and the delay operation by the delay time, and if the operation signal is received from the repeater while receiving the signal during the test, the sound is not issued and the fire is immediately fired on the repeater. The determination signal is output for about the output time of the operation signal, and after the change to the second detection time, the district sound output from the living room receiver set in the test recovery mode and the inspection mode. By detecting the control signal and the pseudo-speech signal, characterized in that a circuit portion for outputting a sound alarm signal generated by its own sound from the speaker of the outdoor display.

According to this configuration, at the time of the remote operation test of the fire detector by the external tester, in the neighboring dwelling units other than the inspection dwelling unit, an alarm is output from both the speaker of the dwelling unit receiver and the speaker of the outdoor indicator. In addition, since the alarm is output only from the speaker of the outdoor indicator of the inspected dwelling unit, the result of the dwelling unit inspection can be notified to the inspector without causing the home occupant to be uselessly shaken. In addition, since the dwelling unit receiver of the inspected dwelling unit detects the local acoustic control signal and the audio alarm signal and outputs an alarm from the speaker of the outdoor indicator of the inspected dwelling unit, the local acoustic control signal line and the audio alarm signal line are output. Comprehensive system tests, including inspections, can be performed at the same time. Also, during the remote operation test of the fire detector,
By setting the living room receiver to the inspection mode, the living room receiver outputs a pseudo sound signal that is inaudible or difficult to hear to humans instead of the normal sound alarm signal. Even if the common section speaker is connected, the sound of the common section speaker is inaudible or difficult to hear,
There is no need for people at home or in common areas such as corridors to be uselessly shaken.

[0024]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of an embodiment of a fire alarm system for an apartment house according to the present invention, FIG. 2 is a block diagram showing a detailed configuration thereof, and FIG. 3 is a repeater, a receiver for a dwelling unit, and an outdoor display. FIG. 4 is a block diagram showing a more detailed configuration of FIG. 4, and FIG. 4 is a diagram showing the main points of operation of the fire alarm system for an apartment house according to the embodiment. In FIGS. 1 to 3, the same parts as those in FIG. 5 described above are denoted by the same reference numerals. In the fire alarm system for a condominium according to this embodiment, the fire signal E4 is output from the repeater 50 at the time of a remote operation test (dwelling unit inspection) of the fire detector 10 by the external tester 40. When the local sound control signal and the voice alarm signal output from the detection unit are detected, only the outdoor indicator 80 of the inspected dwelling unit blinks the indicator light 20 under the control of the dwelling unit receiver 70 and the speaker 29 by the sound source of the dwelling unit receiver 70. To output an alarm.

In the dwelling unit receiver 70, the external tester 40 is connected to the repeater 50, and the under test signal E is transmitted via the repeater 50.
9 is output, it is determined that the test is being performed, and the remote operation test of the fire detector 10 is normally completed while receiving the signal during the test. After receiving the signal, it receives the operation signal E1 output from the repeater 50 and outputs the fire determination signal E3.
When it is detected that the area acoustic control signal and the voice alarm signal are transmitted from the living room receiver 60, the outdoor display 80
Of the outdoor display 80 is sounded by its own sound source. In addition, by setting the inspection mode for the living room receiver 60 at the time of the remote operation test (dwelling unit inspection) of the fire detector 10 by the external tester 40, humans can hear from the living room receiver 60. No or inaudible audio signal (hereinafter referred to as pseudo audio signal)
Output. As the pseudo sound signal, for example, 10
With low frequency of ~ 100Hz or high frequency of about 20kHz,
The waveform is preferably a sine wave, a triangular wave, a rectangular wave, or the like. By using this pseudo audio signal, a sound that is inaudible or hard to hear to humans is output from the common section speaker 6.

Therefore, at the time of the remote operation test (dwelling unit inspection) of the fire detector 10 by the external tester 40, an alarm is output only from the speaker 29 of the outdoor indicator 80 of the inspected dwelling unit. It is possible to inform the inspector of the result of the dwelling unit inspection without having to wake up.
In addition, since the dwelling unit receiver 70 of the inspected dwelling unit detects the local acoustic control signal and the audio alarm signal to output an alarm from the speaker 29 of the outdoor display 80 of the inspected dwelling unit, the local acoustic control signal line EA and the Voice alarm signal line KP-K
Comprehensive inspection of the system including inspection of the PC can be performed (that is, one of the fire detector 10, the repeater 50, the receiver 60 for the ward, the receiver 70 for the dwelling unit, and the outdoor display 80). If any abnormality is found, speaker 29 of outdoor indicator 80
Does not ring). At this time, the voice alarm signal line KP-
Since the common unit speaker 6 is directly connected to the KPC and the inspection mode is set in the dwelling unit receiver 60, a pseudo audio signal is output from the common unit speaker 6. The sound of is not heard or hard to hear, so that there is no need to cause unnecessary sway to home occupants or people in common areas such as corridors. Note that the fire alarm system for a condominium according to this embodiment does not have the self-fire alarm comprehensive panel 2 shown in FIG. 5, but the speaker 7 (FIG. Needless to say, the pseudo-speech signal is output from the above-mentioned method.

Hereinafter, the configuration and operation of the fire alarm system for an apartment house will be described with reference to FIGS. (I) Configuration of Fire Alarm System for Apartment House (a) Configuration of Repeater 50 In FIG. 2, the relay 50 includes an alarm detection circuit 90 for detecting an alarm of the fire detector 10 with the remote operation test function, When the fire detector 10 is interposed between the alarm detection circuit 90 and the fire detector 10 and the external tester 40 performs a remote operation test (dwelling unit inspection) of the fire detector 10, the detector lines 11a and 11b are connected to the external tester 40 side. a contact s _t1 for switching to a contact s _t2 for outputting a dwelling unit receiver during the test to 70 signal E9 by closed, the fire determined detection circuit 93 for detecting a fire determination signal E3 from the dwelling unit receiver 70 A predetermined short period of time, for example, 2 when the fire detector 10 detects an alarm and from the external tester 40.
A contact 94 that is closed when an ok signal indicating a normal end of the test output for a second is detected, an alarm resistor 95 inserted in series with the contact 94, and a closed state when an alarm is detected and a fire determination signal is detected. A contact 96, a living building alerting resistor 97 inserted in series with the contact 96, a contact 96 and a living building alerting resistor 9
And monitoring of an ok signal (test normal end signal) from the alarm detection circuit 90, the fire determination circuit 93, and the external tester 40 indicating normal end of the test. A CPU circuit 99 for monitoring and controlling the entire relay including opening and closing control of the contacts 94 and 96; and an FV signal output circuit 100 for smoothing a 24V pulsating area acoustic control signal to generate a 12V constant voltage and outputting it as an FV signal. When the contacts s _t1, s _t2 to operate with the constant voltage circuit 101 that steps down the 24V supplied from Houses receiver 60 to a constant voltage of 14V and 3.2 V, the test signal E9 from the external tester 40 And a relay ST having the following. It should be noted that the FV signal is a signal obtained by simply converting the 24V pulsating district acoustic control signal output from the living room receiver 60 to a 12V level, and for convenience, is used as the FV signal. Signal.

(B) Configuration of the living room receiver 60 The living room receiver 60 generates a 24 V constant voltage,
0, 24V constant voltage circuit 110 supplied to the fire detector 10
, A fire reception control circuit 111 that receives the fire signal E4 from the repeater 50 and performs corresponding control, a contact 112 that is closed when the area sound is sounded, and a closed state corresponding to the area where the area sound is sounded. Contact points 113 ₁ , 11
3 _2, ..., 113 _n and (in this figure shows only the contacts 113 _1), the voice alarm unit 114 for outputting an audio alarm signal based on the transfer paper signal from the fire alarm control circuit 111
And an operation unit 115 including switches for performing various operations such as a test restoration switch 115a that is set for operation during inspection.
And an inspection mode switch 116 for setting the inspection mode in the voice alarm unit 114.

At the time of inspection of a dwelling unit, the test restoration switch 115a
Is turned on, the fire reception control circuit 111 sets a test recovery mode in which the fire signal E4 is not held, and the fire signal E
4 and the corresponding control output and the like are performed only during reception. When the inspection mode switch 116 is turned on, the voice alarm unit 114 shifts to the inspection mode, and the voice alarm unit 114 is activated based on a signal output when the fire signal E4 is received by the fire reception control circuit 111. Outputs a pseudo sound signal. A plurality of divided ringing contacts 113 ₁ ,
113 _2, ..., 113 _n are provided corresponding to each of the flats, local sound control signal lines EA _1, EA ₂ toward the floor from each, ..., EA _n is drawn each floor relay Connected to the vessel 50. In this case, each floor is divided into one section. If each floor is divided into, for example, two sections, two contacts 113 correspond to each floor.

[0030] From the contact 113 ₁ shown in FIG. 2, 1 ulcer and local sound control signal lines EA ₁ is drawn in, the repeaters provided in the first floor each dwelling unit in its local sound control signal lines EA ₁ 50 are connected. Incidentally are local sound control signal lines EA ₂ of 2 ulcers is withdrawn from contact 113 _2, each repeater 50 provided on the second floor each dwelling unit in its local sound control signal line EA ₂ is connected. For example, when a fire occurs on the first floor, the contact point 112 and the contact points 11 corresponding to the first floor, which is the fire floor, and the second floor, which is the floor immediately above it,
3 ₁ and 113 ₂ are controlled to be in the closed state, and the first floor and the second floor are controlled.
The area acoustic control signal line EA ₁ ,
Local sound control signal is sent via the EA _2. The area alarm control signal lines EA ₁ , E
A ₂ ,..., EA _n , an audio alarm signal line K for each floor
P ₁ −KPC ₁ , KP ₂ −KPC ₂ ,..., KP _n −KPC _n
Are pulled out and connected to the repeaters 50 on each floor. Each of the repeaters 50 provided in each door on the first floor is connected to the voice alarm signal line KP ₁ -KPC ₁ shown in FIG. By the way, K
Each of the repeaters 5 provided at each dwelling unit on the second floor is located at P ₂ -KPC _2.
0 is connected. Then, for example, when a fire occurs on the first floor, an audio alarm signal is sent to the repeaters 50 of the dwelling units on the first and second floors.

(C) Configuration of dwelling unit receiver 70 The dwelling unit receiver 70 is opened when a fire is determined, a contact 120 for sending a fire determination signal E3 to the repeater 50, and an operation signal from the repeater 50. Fire receiving unit 12 that receives E1
1 and a signal-under-test detecting section 122 for detecting a signal E9 under test output from the external tester 40 via the repeater 50.
And an FV signal detection unit 123 that detects an FV signal serving as a local acoustic control signal from the repeater 50, an audio signal output circuit 125 that outputs an audio alarm signal, and an audio alarm signal from the living room receiver 60. Audio signal detection circuit 126 to be detected
And a contact 127 for switching between an audio alarm signal from the audio signal output circuit 125 and an audio alarm signal from the living room receiver 60, a speaker 26, and an indicator light for blinking the indicator light 20 of the outdoor indicator 20. A control circuit 128 (see FIG. 3) is provided. The fire receiving unit 121, the in-test signal detecting unit 122, and the FV signal detecting unit 123 are shown in FIG.
Is realized by the microcomputer 130 as shown in FIG.
In the dwelling unit receiver 70, the FV signal detection unit 12
3 and the detection time of the audio signal detection circuit 126 can be changed between a normal time and a dwelling unit inspection time. In the FV signal detection unit 123, for example, 4 seconds (first detection time) during normal times
Is set to, for example, 0.1 second (second detection time) at the time of dwelling unit inspection. In the audio signal detection circuit 126, for example, it is set to 3 seconds (first detection time) at normal times, and to 0.1 seconds (second detection time) at inspection of dwelling units.

Here, with reference to FIG.
The details of the configuration will be described. A contact 131 is inserted in series on the FV signal path inside the dwelling unit receiver 70, and a relay RY13 is provided on the output side from the contact 131.
2 are inserted in parallel. On the output side of the relay RY132, an indicator light control circuit 128 for driving the indicator light 20 of the outdoor indicator 80 is provided. Relay RY131
Is activated when power is supplied to the dwelling unit receiver 70 when power is supplied, and becomes inactive when power is not supplied due to a power failure or the like. Therefore, the contact 131 is connected to the relay RY131.
In the operating state, the FV signal path is on the side of point a, and the FV signal path is switched to the open state.

On the other hand, the contacts 132 ₁ and 132 ₂ of the switchable relay RY 132 are inserted in series on the voice alarm signal path inside the dwelling unit receiver 70 on both the signal line side and the ground line side. These contacts 132 ₁ and 132 ₂ are on the point b side when the relay RY 132 is inactive, that is, when energized,
The speaker 29 of the outdoor display 80 is connected to the audio signal output circuit 125 of the receiver 70 for dwelling units, and when the contact 131 is switched to the point b due to the inactivation of the relay RY131, FV
When the relay RY132 is actuated by a signal, it switches to the point a side, and connects the speaker 29 of the outdoor display 80 to the audio alarm signal line KP-KPC. The speaker 26 in the dwelling unit receiver 70 is connected to the contact 12 of the switchable relay RY127.
Connected to either the audio signal output circuit 125 or the audio alarm signal line KP-KPC by 7 ₁ and 127 ₂ .

The relay RY127 is normally operated by supplying power to the dwelling unit receiver 70, so that its contacts 127 ₁ and 127 ₂ are on the point a side, and the speaker 26 is connected to the audio signal output circuit 125. I do. Audio signal output circuit 12
5 receives an activation signal from the microcomputer 130 and an output port selection signal for selecting the speakers 26 and 29 that output an audio warning signal, activates and synthesizes a predetermined message, and outputs the selected output port, Output to the speaker. The audio signal detection circuit 126 is an audio alarm signal line KP-K
The audio signal on the PC is detected, and when the audio signal is detected, the microcomputer 130 is notified of the detection. The indicator light control circuit 128 normally turns on the indicator lamp 20 of the outdoor indicator 80, and blinks in response to a command from the microcomputer 130 when an actual fire occurs or when the external tester 40 performs an outdoor inspection.

(I) Operation of fire alarm system for apartment house The operation of the fire alarm system for apartment house of the present embodiment will be described below. FIG. 4 is a diagram showing the main points of the operation of the fire alarm system for an apartment house according to the present embodiment. (A) In the event of a fire (a) Operation in a fire-floor dwelling unit When a fire occurs in a dwelling unit and the fire detector 10 alerts,
The alarm is detected by the alarm detection circuit 90 of the repeater 50,
The CPU circuit 99 is notified. Upon receiving the notification from the fire detector 10, the CPU circuit 99 closes the contact 94 and outputs an operation signal E1 to the dwelling unit receiver 70. Repeater 5
When the fire receiving unit 121 of the microcomputer 130 of the dwelling unit receiver 70 receives the operation signal E1 output from the unit 0, the control unit 128 controls the indicating lamp control circuit 128 to control the indicating lamp 20 of the outdoor indicator 80.
Is flashed, and the sound signal output circuit 125 is operated to output a fire detector operation message from the speaker 26 of the dwelling unit receiver 70.

Further, the fire receiving unit 121 receives the operation signal E1 so that the time for confirming a fire, for example, 2 to 5 hours.
A delay timer (not shown) in which the minute is set is started. Then, it is determined whether a recovery switch (not shown) has been operated within 2 to 5 minutes after the start of the delay timer,
If the recovery switch is not operated during this time, the delay timer expires, the contact 120 is opened, and the fire determination signal E3 is output to the repeater 50. At the same time, the audio signal output circuit 125 is operated to activate the speaker 2 of the receiver 70 for dwelling units.
6 and a fire operation message is output from the speaker 29 of the outdoor display 80. In this case, the relay RY127 of the dwelling unit receiver 70 operates when the power is turned on. Therefore, when the power is turned on, the contacts 127 ₁ and 127 ₂ are switched to the point a side, and the speaker 26 is connected to the audio signal output circuit 125. State. In addition, since the relay RY131 of the receiver 70 for dwelling unit also operates when the power is turned on, the contact 131 is switched to the point a to open the FV signal path.

When the fire determination signal E3 output from the dwelling unit receiver 70 is received by the fire determination detection circuit 93 of the repeater 50, the fact is notified to the CPU circuit 99. CPU circuit 9
9 receives the notification of the fire determination signal E3 from the fire detection circuit 90 when the fire detection signal E3 is received from the fire detection circuit 90, closes the contact 96, and outputs the fire signal E4 to the living room receiver. Output to 60. When the fire reception control circuit 111 of the living room receiver 60 detects the fire signal E4 from the repeater 50, the fire signal is retained, the contact 112 for sounding the area sound is closed, and the fire floor is, for example, the fire floor. Contact points 113 ₁ and 113 ₂ corresponding to the first floor and the second floor immediately above it
Is closed to output a district acoustic control signal to the district acoustic control signal lines EA ₁ and EA ₂ . Further, the fire reception control circuit 111 outputs a notification signal including a fire representative signal, a fire district signal, and a district sounding representative signal to the voice alarm unit 114.

Upon receiving this transfer signal, the voice alarm unit 114 receives voice alarm signal lines KP ₁ -KPC ₁ , KP ₂ corresponding to the first floor, which is the fire floor, and the second floor, which is immediately above it.
Outputs an audio warning signal -KPC _2. Then, the district acoustic control signal (24 V pulsating current) output from the living room receiver 60 is converted to an FV signal (12 V direct current) by the FV signal output circuit 100 of the repeater 50 and is transmitted to the dwelling unit receiver 70. Is output. The FV signal, which is the district acoustic control signal output to the receiver 70 for the dwelling unit, is transmitted to the microcomputer 1 of the receiver 70 for the dwelling unit.
30 FV signal detectors 123 detect the signals. The voice alarm signal is detected by the voice detection circuit 26. On this occasion,
Since the microcomputer 130 has already received the operation signal E1,
Nothing happens even if the FV signal and the voice alarm signal are detected. That is, the fire operation message is continuously output from the speaker 26 of the dwelling unit receiver 70 and the speaker 29 of the outdoor display 80, and the indicator light 20 of the outdoor display 80 is continuously blinked.

(B) Operation at neighboring dwelling units (fire floor dwelling units other than the fire dwelling unit and immediately above floor dwelling unit) As described above, in the dwelling dwelling unit dwelling unit receiver 70, the fire receiving unit 121 of the microcomputer 130 includes the repeater 50 Since the operation signal E1 is received, nothing is performed even if the voice alarm signal and the FV signal are sent. On the other hand, in the dwelling unit receiver 70 of the neighboring dwelling unit, since the fire receiving unit 121 of the microcomputer 130 does not receive the operation signal E1 from the repeater 50,
The voice alarm signal and the FV signal obtained by converting the district sound control signal are transmitted, and the voice alarm signal is detected by the voice detection circuit 126, and the FV signal is output to the FV signal detection unit 12.
When the signal is detected at 3, the relay RY127 is deactivated, the contacts 127 ₁ and 127 ₂ are switched to the point b, and the speaker 26 is connected to the voice alarm signal line KP-KPC. As a result, the audio alarm signal output from the receiver 60 for the living premises is output from the speaker 26 of the receiver 70 for the dwelling unit of the neighboring dwelling unit. At this time, if the fire dwelling unit is a dwelling unit on the first floor, a sound alarm signal is sent to the sound alarm signal lines KP ₁ -KPC ₁ laid on the _first floor and the sound alarm signal lines KP ₂ -KPC ₂ laid on the second floor. The alarm is output from the speaker 26 of the dwelling unit receiver 70 of each dwelling unit other than the fired dwelling unit on the first floor and each dwelling unit on the second floor. At this time, since the microcomputer 130 does not operate the audio signal output circuit 125, no alarm is output from the speaker 29 of the outdoor display 80. Incidentally, in normal times, the FV signal detection unit 123 and the audio signal detection circuit 126
Is set as the first detection time, for example, 4 seconds and 3 seconds. However, the living room receiver 60 self-holds the fire signal, and the area acoustic control is longer than the first detection time. Both signals are detected to output a signal and an audio alert signal.

(B) Inspection of the dwelling unit (systematic comprehensive inspection including a remote operation test of the fire detector 10 by the external tester 40) The inspector makes the following settings before inspecting the dwelling unit. The inspection mode switch 116 of the living room receiver 60 is turned on to set the voice alarm unit 114 to the inspection mode. That is, a pseudo audio signal is output. The test recovery switch 115a of the living room receiver 60 is turned on to set a test recovery mode in which the fire signal E4 is not held. That is, the contacts 113 ₁ for segment ringing and contacts 112 for viewing local sound ringing when the fire signal E4 to Houses receiver 60 is output, 113 _2, ..., control and control of voice alarm unit 114 of the 113 _n To do.

(A) Operation at inspection dwelling unit After performing the above settings, the external tester 40 is connected to the repeater 50.
When a test start operation is subsequently performed, the external tester 40
Outputs the under test signal E9 to the relay 50 and relays the relay 50.
Activate ST. The relay ST of the repeater 50 operates.
And its contact point s t₁Is switched to the external tester 40 side,
The detector lines 11a and 11b are connected to the external tester 40,
Remote operation test of fire detector 10 from external tester 40
Make it possible. When the relay ST operates, the contact s_t2
Is closed and the signal E9 during the test is output to the dwelling unit receiver 70.
You. The signal E9 during the test is the microcomputer 13 of the receiver 70 for dwelling units.
0 during the test during the test, and the microcomputer 1
When the signal 30 is detected during the test, the speaker 26
Warning ban, 2-5 minutes to finish the test early
Prohibition of activation of delay timer, FV of FV signal detector 123
Signal detection time and sound alarm signal of sound signal detection circuit 126
Set the detection time to be shorter. FV signal detection time and voice alarm
Notification signal detection time means that FV signal and voice alarm signal are sent
It is time to confirm what has been done
The FV signal which is the local sound control signal and the voice alarm signal
When sent, the FV signal detector 123 detects the FV signal.
And an audio signal detection circuit 126 detects an audio alarm signal.
You. In this case, the FV signal detection time is usually 4 for example.
Set to seconds (first detection time)
For example, it is set to 0.1 seconds (second detection time).
In addition, the sound alarm signal detection time is usually, for example, 3 seconds (the
1 detection time), and for example, 0.
The setting is shortened to one second (second detection time).

After outputting the in-test signal E9 to the repeater 50, the external tester 40 outputs a test signal to the fire detector 10 via the detector lines 11a and 11b. Check the test condition. In this case, addressing is performed for each of the fire detectors 10, and test signals are output one by one, and the test state is checked for all of them. And
When judging that the tests have been completed normally for all the fire detectors 10, the external tester 40 sends an ok signal indicating the normal end of the test to the repeater 50. The ok signal is output, for example, for 2 seconds. The output time of the ok signal depends on the receiver 70 for the dwelling unit.
Is set in consideration of the time during which the operation signal E1 is not held by itself. When the CPU circuit 99 of the repeater 50 receives the ok signal, it closes the contact 94 for that time, that is, for about two seconds, and outputs the activation signal E1 to the receiver 70 for dwelling units. When the fire receiving unit 121 of the dwelling unit receiver 70 receives the operation signal E1, the microcomputer 130 immediately contacts the contact 1
20 is opened to output a fire determination signal E3 to the repeater 50. The fire determination signal E3 is output only during the time when the operation signal E1 is received, that is, for about two seconds. When the fire confirmation detection circuit 93 of the repeater 50 detects the fire confirmation signal E3, it notifies the CPU circuit 99 to that effect. Upon receiving the notification that the fire determination signal E3 has been detected, the CPU circuit 99 closes the contact 96 and sends the fire signal E4 to the receiver 60 for the living building.
Is sent. The fire signal E4 is transmitted only for about 2 seconds in the output time of the fire determination signal E3, that is, substantially the same as the transmission time of the ok signal.

When the fire reception control circuit 111 of the living room receiver 60 receives the fire signal E4 sent from the repeater 50, the representative contact 112 for sounding the area sound is closed and
For example, the contacts 113 ₁ and 113 ₂ corresponding to the first floor which is the fire floor and the second floor immediately above the fire floor are closed, and the local acoustic control signal is output to the local acoustic control signal lines EA ₁ and EA ₂ . Further, the fire reception control circuit 111 outputs a notification signal such as a fire area signal to the voice alarm unit 114. Voice alarm unit 11
4 receives the alarm signal, and receives a voice alarm signal line KP corresponding to the first floor, which is the fire floor, and the second floor, which is the floor immediately above it.
_1- KPC ₁ , KP _2- Output a pseudo sound signal to KPC ₂ . At this time, since the living building receiver 60 has set the test restoration mode, it outputs the district sound control signal and the pseudo sound signal only for a time, for example, about 2 seconds during which the fire signal E4 is transmitted.

The district acoustic control signal, that is, the pulsating current of 24 V output from the living room receiver 60 is converted to an FV signal, that is, 12 V DC by the FV signal output circuit 100 of the repeater 50, and output to the dwelling unit receiver 70. Is done. Further, the audio alarm signal output from the receiver 60 for the house is output to the receiver 70 for the dwelling unit via the repeater 50. In this case, since the output period of the ok signal of the external tester 40 is 2 seconds as described above, the FV signal is also output for approximately the same 2 seconds. At this time, since the FV signal detection time of the FV signal detection unit 123 of the microcomputer 130 of the dwelling unit receiver 70 is set to 0.1 second (second detection time), the FV signal detection unit 12
Reference numeral 3 detects an FV signal which is a local sound control signal. In addition, since the audio alarm signal is also output for about 2 seconds, and the audio alarm signal detection time of the audio signal detection circuit 126 of the dwelling unit receiver 70 is also set to 0.1 second (second detection time), The audio signal detection circuit 126 detects a pseudo audio signal.

The microcomputer 130 receives the activation signal E1 while receiving the test-in-progress signal E9, detects the FV signal in the FV signal detection section 123, and outputs the sound signal detection circuit 1
When an audio alarm signal is detected at 26, the audio signal output circuit 125, which is its own sound source, is activated to select only the speaker 29 of the outdoor display 80 to output an audio alarm and to control the indicator light control circuit 128. Then, the indicator light 20 of the outdoor indicator 80 is blinked. By listening to the audio warning output from the speaker 29, the inspector can confirm that the comprehensive system test including the inspection of the area acoustic control signal and the audio alarm signal line has been completed normally. Also,
In this case, by outputting the pseudo audio signal, as shown in FIG. 1, the common unit speaker 6 is turned on by the audio alarm signal line KP-KP.
C, even when connected to C
Therefore, a warning that is inaudible or inaudible to humans is output, so that the dwelling unit inspection can be performed without causing unnecessary inconvenience to home residents and people in common areas such as corridors. still,
Since the second detection time, for example, 0.1 second is sufficiently shorter than the output time of the local acoustic control signal and the voice alarm signal, for example, 2 seconds, the output time of both signals may be shorter between the systems. However, it can be reliably detected.

(B) Operation at neighboring dwelling units (fire floor dwelling units other than fire dwelling dwelling units and immediately above dwelling dwelling units) Since the microcomputer 130 of the dwelling unit receiver 60 of the neighboring dwelling unit has not received the in-test signal E9 from the repeater 50, Detection time of the FV signal detection unit 123 and the audio signal detection circuit 12
No change of the voice alarm signal detection time of 6
The detection time remains set to 4 seconds (first detection time), and the voice alarm signal detection time remains set to 3 seconds (first detection time). For this reason, the FV signal detecting section 123 cannot detect the FV signal transmitted for only about two seconds, and the audio signal detecting circuit 126 also detects the FV signal.
It is not possible to detect a voice alarm signal sent for only about a second. Therefore, the microcomputer 130 does nothing. That is, no alarm is output from the speaker 26 of the receiver 70 for the dwelling unit of the neighboring dwelling unit or the speaker 29 of the outdoor display 80. Of course, the indicator light 20 of the outdoor indicator 80 does not blink. Therefore, there is no needless inconvenience to the residents of neighboring dwellings.

As described above, in this embodiment, when the under test signal E9 is output via the repeater 50 during the remote operation test of the fire detector 10 by the external tester 40, the dwelling unit receiver 70 performs the test. It is determined to be medium, no alarm is given by the speaker 26, the activation of the delay timer for 2 to 5 minutes is prohibited, and the detection time of the FV signal serving as the local sound control signal is set to 4 seconds (first time). (Detection time) to 0.1 seconds (second detection time) at the time of dwelling unit inspection, and the voice alarm signal detection time is changed from 3 seconds (the first detection time) at the normal time to 0.1 second at dwelling unit inspection. Change to seconds (second detection time). afterwards,
When the remote operation test of the fire detector 10 is normally completed and the ok signal indicating the normal end of the test is output from the external tester 40 for about 2 seconds, the operation signal E1 is output from the repeater 50,
As soon as the dwelling unit receiver 70 receives the operation signal E1, the fire determination signal E3 is output.

Then, the fire determination signal E3 is transmitted to the repeater 5
The fire signal E4 is output by capturing 0, and the fire signal E4 is captured by the receiver 60 for the living ridge in which the test recovery mode is set, so that the same time as the ok signal output time (about 2 seconds) is obtained. The sound control signal and the sound alarm signal are output. Since the receiver 70 for the dwelling unit of the inspected dwelling unit sets the FV signal detection time and the voice alarm signal detection time to 0.1 second (second detection time), the area acoustic control from the dwelling unit receiver 60 is performed. A signal and an audio alert signal can be received. That is, the dwelling unit receiver 70 outputs the under test signal E9,
Operation signal E1, district sound control signal and voice alarm signal 4
On condition that one element is detected, the indicator light 20 of the outdoor indicator 80 is thereby flickered and the speaker 29 of the outdoor indicator 80 is sounded by its own sound source.

Since the receiving unit 70 for the fire-floor dwelling unit other than the inspection dwelling unit, that is, the fire-floor dwelling unit and the dwelling unit immediately above the dwelling unit does not receive the signal E9 during the test, the FV signal detection time is 4 seconds (normal time). (1st detection time), and the voice alarm signal detection time remains set to 3 seconds (first detection time), which is the normal time. For this reason, even if the receiver 70 for dwelling unit outputs the local acoustic control signal and the sound alarm signal from the receiver 60 for dwelling unit, the output time of these signals is about 2 seconds which is the same as the ok signal. And the voice alarm signal cannot be detected, and neither the indicator lamp 20 of the outdoor display 80 blinks nor the speaker 29 of the outdoor display 80 sounds. In addition, the external tester 40
At the time of the remote operation test of the fire detector 10 according to the above, since the receiver 60 for the living room is set to the inspection mode, the receiver 60 for the living room replaces the normal voice alarm signal by capturing the fire signal E4. A pseudo sound signal that is inaudible or hard to hear by humans is output.

Therefore, at the time of the remote operation test of the fire detector 10 by the external tester 40, in the neighboring dwelling units other than the inspection dwelling unit, an alarm is issued from either the speaker 26 of the dwelling unit receiver 70 or the speaker 29 of the outdoor indicator 80. Not output
Since the audio alarm is output only from the speaker 29 of the outdoor indicator 80 of the inspection dwelling unit, the inspector can check the inspection result without causing the home resident to uselessly shake. Further, since the dwelling unit receiver 70 detects the district acoustic control signal and the voice alarm signal, and outputs an alarm from the speaker 29 of the outdoor indicator 80 of the inspected dwelling unit, the district acoustic control signal line EA and the voice alarm signal are output. Comprehensive inspection of the system, including inspection of the line KP-KPC, can be performed (that is, the fire detector 10, the repeater 50, the receiver 60 for the dwelling unit, the receiver 70 for the dwelling unit, and the outdoor display 80). If at least one of them is abnormal, the speaker 29 of the outdoor display 80 does not sound). At this time, the voice alarm signal line KP-KPC
Even if the common unit speaker 6 is directly connected to the loudspeaker, the pseudo sound signal is output by setting the inspection mode in the living room receiver 60, so that the sound of the common unit speaker 6 cannot be heard. Or, because it is hard to hear, people at home or in a common area such as a corridor do not cause unnecessary agitation.

Although the present embodiment does not have the self-fire information comprehensive panel 2 shown in FIG. 5, even if the self-fire information comprehensive panel 2 is provided, the speaker 7 (see FIG. 5) does not operate. It goes without saying that a pseudo sound signal is output. Further, in this embodiment, the district acoustic control signal from the residential building receiver 60 is converted into a smooth constant voltage by the FV signal output circuit 100 of the repeater 50 and output as an FV signal, but the district acoustic control signal is output as it is. You may.

[0052]

As described above, according to the present invention, during the remote operation test of the fire detector by the external tester, the speaker of the receiver for the dwelling unit and the speaker of the outdoor display are used in the neighboring dwelling units other than the inspection dwelling unit. No alarm is output from either,
Since the alarm is output only from the speaker of the outdoor indicator of the inspection dwelling unit, the home occupant does not needlessly shake. In addition, since the dwelling unit receiver of the inspected dwelling unit detects the local acoustic control signal and the voice alarm signal, and outputs a warning from the speaker of the outdoor display by its own sound source, the inspector can use the local acoustic control signal line and the You can check the results of the comprehensive system test including the inspection of the audio alarm signal line. In addition, by setting the living room receiver to the inspection mode during the remote operation test of the fire detector, a pseudo sound that is inaudible or inaudible to humans instead of a normal audio warning signal from the living room receiver is output from the living room receiver. Since the signal is output, even if the common unit speaker is connected to the voice alarm signal line, the sound of the common unit speaker is inaudible or difficult to hear, so it is unnecessary for home occupants and people in common areas such as corridors. It does not cause agitation.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a fire alarm system for an apartment house according to the present invention.

FIG. 2 is a block diagram showing a detailed configuration of a fire alarm system for an apartment house according to an embodiment.

FIG. 3 is a block diagram illustrating a detailed configuration of a receiver for a dwelling unit of the fire alarm system for an apartment house according to the embodiment.

FIG. 4 is a diagram showing the main points of the operation of the fire alarm system for an apartment house according to the embodiment.

FIG. 5 is a block diagram showing a configuration of a conventional fire alarm system for an apartment house.

[Explanation of symbols]

6 Common part speaker 10 Fire detector 20 Indicator light 26, 29 Speaker 40 External tester 50 Repeater 60 Living building receiver 70 Living room receiver 80 Outdoor indicator 90 Alarm detection circuit 93 Fire determination detection circuit 94, 96 , _St1 , _st2 contacts 99 CPU circuit 100 FV signal output circuit 111 Fire reception control circuit 114 Voice alarm unit 115 Operation unit 115a Test restoration switch 116 Inspection mode switch 121 Fire reception unit 122 Under test signal detection unit 123 FV signal detection unit 125 sound signal output circuit 126 sound detection circuit 128 indicator light control circuit 130 microcomputer EA area sound control signal line KP-KPC sound alarm signal line

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Kiyoaki Koyama 2-10-43 Kamiosaki, Shinagawa-ku, Tokyo Ho Chiki Co., Ltd. (72) Inventor Shinji Nakamura 4-chome Amishima Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture No.3-1 Matsushita Communication Industrial Co., Ltd. (72) Inventor Kazuhiro Yoshida 4-3-1 Amishima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Inventor Tsuyoshi Kuwano Kohoku, Yokohama-shi, Kanagawa Prefecture Matsushita Communication Industrial Co., Ltd. F-Term (reference) 5C087 AA05 AA12 AA37 AA44 BB03 BB06 CC02 CC04 CC27 DD04 DD24 EE11 EE14 EE18 FF01 FF02 FF03 FF04 FF19 FF30 GG01 GG30 GG36 GG38 GG71 GG79 5G405 AA01 AA03 AA04 AA06 AA08 BA01 CA07 CA13 CA18 CA25 CA32 CA46 CA50 CA53 DA21 EA18 EA31 EA60 FA16

Claims (6)

[Claims] 1. A relay for connecting a fire detector and a fire detector via a detector line for each dwelling unit and connecting an external tester at a dwelling unit inspection including a remote operation test of the fire detector. Device, and an operation signal output when the repeater detects the fire detector's alarm is received, a sound alarm is given by its own speaker, and a fire determination signal is received after a predetermined delay time after receiving the operation signal. A receiver for a dwelling unit that outputs a signal to a repeater, and an outdoor display device including a speaker that outputs an audio warning signal sent from the receiver for a dwelling unit,
In the center of the caretaker's office, etc., when the repeater receives a fire signal output when receiving a fire determination signal from the dwelling unit receiver, a local acoustic control signal and a sound are output to the fired out dwelling unit and its neighboring dwelling units. In a fire alarm system for a shared house provided with a receiver for a living building that outputs an alarm signal, the external tester, when checking a dwelling unit, when performing a test start operation, for the dwelling unit via the repeater. A circuit is provided for outputting a signal during the test to the receiver and outputting a test normal end signal to the repeater when the test of the fire detector is normally completed. The repeater is tested by the external tester. When the medium signal is received, the sensor line is switched from the dwelling unit receiver side to the external tester side and connected to enable a remote operation test of the fire detector from the external tester, and receives a test normal end signal. The receiver for the dwelling unit A circuit unit that outputs a fire signal to the receiver for the dwelling unit when a fire determination signal is received from the receiver for a dwelling unit after outputting a motion signal and outputting the operation signal, and the receiver for the dwelling unit is provided. Receiving a signal under test from the external tester via the repeater, prohibiting a sound alarm by its own speaker and delay operation due to the delay time, and receiving the signal under test while receiving the signal during test. When an operation signal is received from the repeater, an audio alarm is not performed, and a fire confirmation signal is immediately output to the repeater. And, by detecting the local sound control signal and the sound alarm signal output from the living room receiver, the sound alarm signal generated by the own sound source is output from the speaker of the outdoor display. Circuit part provided Joint residential fire alarm system which is characterized the door. 2. The dwelling unit receiver has a test recovery mode that does not hold a fire signal sent from the repeater set at the time of dwelling unit inspection, and the test recovery mode is set at the time of dwelling unit inspection. Outputting a local acoustic control signal and a voice alarm signal only for a time during which the fire signal is being output from the repeater; and a circuit unit of the external tester, wherein the receiver for the dwelling unit receives the local acoustic control signal and a voice alarm signal. And outputs a test normal end signal in a time shorter than the first detection time for detecting each of the above. When the circuit section of the repeater receives a test normal end signal from the external tester, An operation signal is output to the dwelling unit receiver for about the output time, and after receiving the operation signal and receiving a fire confirmation signal from the dwelling unit receiver, the dwelling unit is output for about the fire confirmation signal time. Ridge reception A fire signal is output to the machine, and the circuit unit of the dwelling unit receiver receives the signal under test from the repeater, thereby setting a first detection time for detecting each of the area acoustic control signal and the voice alarm signal. The receiver for living room, which is changed to a second detection time shorter than the output time of the test normal end signal output from the external tester, and after the change to the second detection time, the test recovery mode is set. 2. A voice alarm signal generated by a sound source of the user is output from a speaker of the outdoor display by detecting a local sound control signal and a voice alarm signal output from the speaker.
The fire alarm system for apartment houses as described. 3. The circuit unit of the dwelling unit receiver of the dwelling unit near the inspection dwelling unit does not receive the in-test signal from the external tester via the repeater and is the first detection time. 3. The fire alarm system for an apartment house according to claim 2, wherein a local acoustic control signal and an audio alarm signal output from the receiver for a residential building in which the test restoration mode at the time of inspection of the dwelling unit is set cannot be detected. 4. A receiving unit for a living room, comprising: a common unit speaker disposed in a common unit and connected to a sound alarm signal line for sending a sound alarm signal output from the living room receiver to each dwelling unit. The machine is provided with an inspection mode that outputs a pseudo audio signal that is inaudible or hard to hear to humans, and when inspecting dwelling units, setting the inspection mode to output the pseudo audio signal instead of the audio alarm signal. The fire alarm system for an apartment house according to any one of claims 1 to 3, wherein: 5. The pseudo audio signal has a frequency of 10-1.
The fire alarm system for an apartment house according to claim 4, wherein the low frequency is about 00Hz or the high frequency is about 20kHz. 6. A fire signal is received by receiving a fire signal provided in the center of a caretaker's office or the like, and the fire signal is held. Only while the fire signal is being held, a local sound control signal and a voice signal are output to a fired dwelling unit and its neighboring dwelling units. A receiver for a living building that outputs an alarm signal, a fire detector provided for each dwelling unit, and the fire building connected to the fire detector via a detector line, and when a fire confirmation signal is received, the living building A repeater that outputs a fire signal to a receiver, and when the repeater receives an activation signal that is output when the fire detector detects an alarm, the speaker performs an audio alarm with its own speaker and After a predetermined delay time in response to the operation signal, a fire determination signal is output to the repeater, and the district sound output from the living building receiver without receiving the operation signal output from the repeater. Control signal and audio alarm signal A dwelling unit receiver for outputting, from its own speaker, an audio alarm signal output from the dwelling unit receiver when detection is performed by exceeding the set first detection time; and the dwelling unit receiver A fire alarm system for a common house, comprising: an outdoor indicator having a speaker that outputs a voice alarm signal sent from the side; and the relay device at the time of dwelling unit inspection including a remote operation test of the fire sensor. When a test start operation is performed, a test-in-progress signal is output to the dwelling unit receiver via the repeater, and the test is normally performed on the repeater when the fire sensor test is completed normally. An external tester provided with a circuit unit that outputs an end signal in a time shorter than the first detection time in which the dwelling unit receiver detects each of the area acoustic control signal and the audio alarm signal, and the relay unit includes: During the test from the external tester When the signal was received, the sensor line was switched from the dwelling unit receiver side to the external tester side and connected to enable a remote operation test of the fire detector from the external tester, and a test normal termination signal was received. In this case, an operation signal is output to the dwelling unit receiver only for about the output time of the test normal termination signal, and after receiving the operation signal, a fire determination signal is received from the dwelling unit receiver. Provide a circuit unit for outputting a fire signal to the living building receiver only for about the output time of the living building receiver, the living building receiver is a test recovery mode that does not hold the fire signal sent from the repeater and to humans Equipped with an inspection mode that outputs a pseudo sound signal that is inaudible or hard to hear,
In the state where the test restoration mode and the inspection mode are set at the time of dwelling unit inspection, a pseudo audio signal is output in place of the area acoustic control signal and the audio alarm signal only for about the time when the fire signal is output from the repeater, The dwelling unit receiver receives a signal during the test from the external tester via the repeater, so that a first detection time for detecting each of the local acoustic control signal and the audio alarm signal is set by the external tester. Change to the second detection time shorter than the output time of the output normal test end signal, prohibit voice alarm by the own speaker and delay operation by the delay time, and perform the relay while receiving the test-in-progress signal. When an operation signal is received from the relay, a fire determination signal is immediately output to the repeater for about the output time of the operation signal without performing an audio warning, and the change to the second detection time is performed. After, by detecting the local sound control signals and pseudo-speech signal test recovery mode and inspection mode is outputted from the set the Houses receiver,
A fire alarm system for an apartment house, comprising: a circuit unit for outputting a voice alarm signal generated by its own sound source from a speaker of the outdoor display.