JP2015230654A - Disaster prevention facilities - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve reliability by reliably performing interlocking control in the case of transmission between a fire alarm facility and an emergency broadcasting facility.SOLUTION: When a fire receiver 14 provided in a fire alarm facility 10 receives alarm signals from a fire sensor 16 detecting fire in a warning area and issuing an alarm and then outputs fire alarm, the fire receiver 14 transmits alarm area identification signals indicating a fire alarm area to an emergency broadcasting device 20 provided in an emergency broadcasting facility 12 and then allows the emergency broadcasting device 20 to perform sensor alarm broadcasting, and when detecting fire confirmation after the receipt of the alarm signals, the fire receiver 14 transmits fire confirmation signals to the emergency broadcasting device and then allows it to perform fire broadcasting. When a non-fire broadcasting switch of the emergency broadcasting device 20 is operated to perform non-fire broadcasting, non-fire confirmation signals are transmitted to the fire receiver 14 to restore it. Meanwhile, when a non-fire broadcasting switch of the fire receiver 14 is operated, non-fire confirmation signals are transmitted to the emergency broadcasting device 20 to allow it to perform non-fire broadcasting.

Description

  The present invention relates to a disaster prevention facility that automatically broadcasts from an emergency broadcast facility in conjunction with a fire detection by a fire alarm facility.

  Conventionally, an emergency broadcasting facility is linked to a fire alarm facility, and when a fire occurs, it notifies the occurrence of the fire and performs an evacuation guidance broadcast.

  The fire receiver installed in the fire alarm facility outputs a fire alarm when a fire alarm signal is received from a fire alarm that has been detected and detected, and a fire alarm area indicating the fire alarm area The emergency broadcast device that has transmitted the floor signal as an identification signal to the emergency broadcast device and received this signal from the speaker installed on the floor where the fire occurred and the floor directly above it as a detector alarm broadcast is now "Please check the next broadcast."

  When a disaster prevention staff member visits the site and confirms a fire in response to this detector alert, for example, an emergency broadcast device sends a fire confirmation signal from the fire receiver based on a fire confirmation operation such as a push button operation of a transmitter. Switch to the alarm broadcast from the previous sensor alarm broadcast, and output "Fire. Fire is fire. Fire on the XX floor. Please evacuate calmly." In addition, when a predetermined set time has passed since the fire broadcast, the emergency broadcast apparatus switches to the entire building simultaneous broadcast.

  On the other hand, when a non-fire is confirmed by visiting the site, the non-fire broadcast switch is switched from the previous broadcast to the non-fire broadcast by operating the non-fire broadcast switch provided in the emergency broadcast device. As a result of the confirmation, there was no abnormality. Please rest assured. "

JP-A-5-233984 JP-A-6-314385

  By the way, in a disaster prevention facility that automatically broadcasts from an emergency broadcast facility in conjunction with the detection of a fire by such a conventional fire alarm facility, a floor signal is sent from the fire receiver to the emergency broadcast device. When a non-fire is confirmed on-site by an alarm reporter, a non-fire broadcast is performed by operating the non-fire broadcast switch provided in the emergency broadcast device, and a recovery switch provided in the fire receiver By operating, the fire alarm and transmitter are restored to stop the alarm sound such as main sound and district sound, and the emergency broadcast interlock stop switch is operated to stop the transmission of the floor signal. Yes.

  However, in the past, when a non-fire was confirmed in the field, the operation of the fire receiver and the operation of the emergency broadcast device were required separately, so the emergency broadcast device was operated to perform non-fire broadcasting or the fire receiver was operated. There is a problem that it takes time and effort to stop the fire alarm sound such as the district acoustic alarm.

  In this case, the fire receiver and the emergency broadcasting device are installed in a relatively close place in the same room, such as the Disaster Prevention Center. However, if the emergency broadcasting device is operated first and non-fire broadcasting is performed first, It takes time to stop the alarm sound by operating the fire receiver. On the other hand, if the alarm sound is stopped by operating the fire receiver first, until the non-fire broadcast is performed by operating the emergency broadcast device There is a problem that takes time.

  In addition, the staff of the Disaster Prevention Center need to be sufficiently familiar with the operation of fire receivers and emergency broadcast equipment installed in the same room, but depending on the staff, they are familiar with the operation of fire receivers. However, the operation of emergency broadcast equipment is unfamiliar, and conversely, the operation of emergency broadcast equipment is familiar, but the operation of fire receivers is assumed to be inexperienced. In addition, there is a possibility that quick and appropriate countermeasures cannot be sufficiently performed by operating the emergency broadcasting device.

  The present invention provides a disaster prevention facility capable of minimizing confusion caused by misinformation, etc. by quickly and appropriately taking action when a non-fire is confirmed on-site for a fire alarm and a sensor notification broadcast. With the goal.

(First invention)
The first invention of the present application is a disaster prevention facility,
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Transmit to the emergency broadcast equipment installed in the emergency broadcast facility to perform sensor alarm broadcast, and when a fire confirmation is detected after receiving the alarm signal, send a fire confirmation signal to the emergency broadcast equipment to broadcast the fire Let
When a predetermined non-fire confirmation operation is performed with a fire receiver, a non-fire confirmation signal is sent to the emergency broadcasting device to perform a non-fire broadcast,
On the other hand, when non-fire broadcast is performed by operating the non-fire information broadcast switch of the emergency broadcast device, the fire receiver is restored by transmitting a non-fire confirmation signal to the fire receiver.

(Second invention)
The second invention of the present application is a disaster prevention facility,
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Transmit to the emergency broadcast equipment installed in the emergency broadcast facility to perform sensor alarm broadcast, and when a fire confirmation is detected after receiving the alarm signal, send a fire confirmation signal to the emergency broadcast equipment to broadcast the fire Let
When a predetermined non-fire confirmation operation is performed with a fire receiver, a non-fire confirmation signal is sent to the emergency broadcasting device to perform a non-fire broadcast,
On the other hand, when non-fire broadcast is performed by operating the non-fire broadcast switch of the emergency broadcast device, a non-fire confirmation signal is sent to the fire receiver to stop the fire alarm sound by the fire receiver, and the non-fire confirmation signal When the emergency broadcast device recovery switch is operated and then restored, a restoration confirmation signal is sent to the fire receiver for restoration (fire detector and transmitter restoration, main sound stop and district sound stop (Release).

(Stop fire alarm and turn on emergency broadcast light)
When the fire receiver of the second invention receives a non-fire confirmation signal from the emergency broadcast device and stops the fire alarm sound, the non-fire broadcast light indicating that the emergency broadcast device is in non-fire broadcast is lit Yes (Connection via a bulletin line)
Connect fire receivers and emergency broadcast equipment with multiple transmission lines,
Send the alert area identification signal, fire confirmation signal and non-fire confirmation signal from the fire receiver to the emergency broadcasting device via the corresponding transmission line,
A non-fire confirmation signal (first invention) or a non-fire confirmation signal and a recovery confirmation signal (second invention) are transmitted from the emergency broadcasting device to the fire receiver via a corresponding transmission line.

(Connection using a transmission line and transmission adapter)
The fire receiver and the first transmission adapter are connected by a plurality of transmission lines, the emergency broadcasting apparatus and the second transmission adapter are connected by a plurality of transmission lines, and the first transmission adapter and the second transmission are further connected. Connect the adapter with a transmission line,
The fire receiver transmits a notification area identification signal, a fire confirmation signal, and a non-fire confirmation signal to the first transmission adapter via the corresponding transmission lines. The first transmission adapter receives the received notification area identification signal and fire confirmation. The signal and the non-fire confirmation signal are converted into a transmission signal of a predetermined format and transmitted to the second transmission adapter, and the second transmission adapter converts the received transmission signal into a reporting area identification signal, a fire confirmation signal and a non-fire confirmation signal. To the emergency broadcast device,
The non-fire confirmation signal (first invention) or the non-fire confirmation signal and the recovery confirmation signal (second invention) are transmitted from the emergency broadcasting device to the second transmission adapter via the corresponding transmission line, and the second transmission adapter receives the second transmission adapter. The non-fire confirmation signal or the non-fire confirmation signal and the restoration confirmation signal are converted into a transmission signal of a predetermined format and transmitted to the first transmission adapter, and the first transmission adapter transmits the received transmission signal to the non-fire confirmation signal or the non-fire confirmation signal. It is converted into a recovery confirmation signal and sent to the fire receiver.

(Complete transmission)
Connect the fire receiver and the emergency broadcast device with a transmission line,
The fire receiver converts the reporting area identification signal, the fire confirmation signal and the non-fire confirmation signal into a transmission signal of a predetermined format and transmits it to the emergency broadcasting device through the transmission line.
The emergency broadcasting device converts the non-fire confirmation signal (first invention) or the non-fire confirmation signal and the restoration confirmation signal (second invention) into a transmission signal of a predetermined format and transmits it to the fire receiver.

(Third invention)
The third invention of the present application is a disaster prevention facility,
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Transmit to the emergency broadcast equipment installed in the emergency broadcast facility to perform sensor alarm broadcast, and when a fire confirmation is detected after receiving the alarm signal, send a fire confirmation signal to the emergency broadcast equipment to broadcast the fire Let
When non-fire broadcasting is performed by operating a non-fire information broadcast switch of the emergency broadcasting device, a non-fire confirmation signal is transmitted to the fire receiver to restore the fire receiver.

(Fourth invention)
The fourth invention of the present application is a disaster prevention facility,
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Transmit to the emergency broadcast equipment installed in the emergency broadcast facility to perform sensor alarm broadcast, and when a fire confirmation is detected after receiving the alarm signal, send a fire confirmation signal to the emergency broadcast equipment to broadcast the fire Let
When a non-fire broadcast is performed by operating the non-fire broadcast switch of the emergency broadcast device, a non-fire confirmation signal is transmitted to the fire receiver to stop the fire alarm sound by the fire receiver and a non-fire confirmation signal is transmitted. After that, when the emergency switch is restored by operating the restoration switch of the emergency broadcast apparatus, a restoration confirmation signal is transmitted to the fire receiver for restoration.

(Basic effects of the first invention)
In the first invention of the present application, when a predetermined non-fire confirmation operation is performed with a fire receiver in a disaster prevention facility composed of a fire alarm facility equipped with a fire receiver and an emergency broadcast facility equipped with an emergency broadcast device When a non-fire broadcast is sent by sending a non-fire confirmation signal to the emergency broadcast device, and a non-fire broadcast is made by operating the non-fire report broadcast switch of the emergency broadcast device, Since the fire receiver was restored by sending a fire confirmation signal, the emergency broadcast device's warning was detected when a non-fire was confirmed by the staff on the emergency broadcast device's detector broadcast linked to the fire detection of the fire receiver. When the non-fire broadcast switch is operated, the fire receiver is restored in conjunction with this, and when the non-fire confirmation switch of the fire receiver is operated, the non-fire broadcast is performed by the emergency broadcast device in conjunction with this, Receiver and emergency broadcast equipment Any one of the operations automatically performs the other interlocking operation based on the non-fire site confirmation, and the countermeasures when non-fire is confirmed on-site for fire alarms and sensor alarm broadcasts by such mutual interlocking To prevent confusion caused by misinformation.

(Basic effects of the second invention)
In another aspect of the present invention, in a disaster prevention facility composed of a fire alarm facility equipped with a fire receiver and an emergency broadcast facility equipped with an emergency broadcast device, the fire receiver performs a predetermined non-fire confirmation operation. Is the same as the first invention in that a non-fire confirmation signal is transmitted to the emergency broadcast apparatus to perform the non-fire broadcast, but the non-fire of the emergency broadcast apparatus is a configuration unique to the second invention. When non-fire broadcasting is performed by operating the broadcast switch, a non-fire confirmation signal is transmitted to the fire receiver to stop the fire alarm sound (main sound and district sound) by the fire receiver, When the emergency broadcast device recovery switch is operated and then restored, a restoration confirmation signal is sent to the fire receiver for restoration (recovering the fire detector and transmitter and canceling the main sound stop and district sound stop) (Including recovery) By such inter-linkage, it is possible to quickly and appropriately deal with fire alarms and detector alarm broadcasts when on-site confirmation of non-fire is made, and to suppress confusion due to false alarms, etc. On the other hand, the fire receiver automatically stops the fire alarm sound to suppress unnecessary confusion, and avoids duplication with non-fire broadcasting, and the broadcast content is clear even on the floor where the fire occurred and directly above It is possible to hear the sound, and the fire receiver is restored by the restoration confirmation signal by operating the restoration switch to confirm the extinguishing of the emergency broadcast device, so that the individual restoration operation at the fire receiver is not necessary. It is possible to improve the performance.

(Effects of stopping the fire alarm and lighting the emergency broadcast light)
When the fire receiver of the second invention receives a non-fire confirmation signal from the emergency broadcast device and stops the fire alarm sound, the non-fire broadcast light indicating that the emergency broadcast device is in non-fire broadcast is lit Because the fire alarm sound of the fire receiver linked to the non-fire broadcast of the emergency broadcast device stops, the emergency broadcast light turns on and the fire receiver can know the broadcast status of the emergency broadcast device. , To accurately grasp the situation due to mutual linkage and enable appropriate measures.

(Effects of connection via a news transmission line)
The fire receiver and emergency broadcast equipment are connected via multiple transmission lines, and the fire alarm receiver and emergency broadcast equipment transmit the notification area identification signal, fire confirmation signal, and non-fire confirmation signal via the corresponding transmission lines. In addition, the emergency broadcast device transmits a non-fire confirmation signal (first invention) or a non-fire confirmation signal and a restoration confirmation signal (second invention) to the fire receiver through the corresponding transmission line. Although the number of wires increases due to the interconnection by means of the transmission line, the reliability and durability of signal transmission can be improved.

(Effects of connection with transmission line and transmission adapter)
The fire receiver and the first transmission adapter are connected by a plurality of transmission lines, the emergency broadcasting apparatus and the second transmission adapter are connected by a plurality of transmission lines, and the first transmission adapter and the second transmission are further connected. Because the connection between the adapter and the fire receiver and the emergency broadcasting device is connected via a transmission line to transmit and receive various signals required for interlocking, the fire receiver and the first adapter built in or close to the fire receiver And between the emergency broadcasting device and the second transmission adapter built in or close to the emergency broadcasting device are connected by a large number of transmission lines, but the wiring distance and the wiring are easy because of the short wiring distance. The receiver and the emergency broadcast device are connected by, for example, a single LAN cable that substantially constitutes the transmission path, and the wiring space can be reduced and the wiring work can be simplified.

(Effect of complete transmission)
In addition, the fire receiver and the emergency broadcasting device are connected by a transmission line, and the fire receiver converts the reporting area identification signal, the fire confirmation signal and the non-fire confirmation signal into a transmission signal of a predetermined format by the transmission line. The emergency broadcast device transmits the non-fire confirmation signal (first invention) or the non-fire confirmation signal and the recovery confirmation signal (second invention) to a transmission signal in a predetermined format and transmits it to the fire receiver. Therefore, the disaster receiver and the emergency broadcasting device are connected by, for example, a single LAN cable that substantially constitutes the transmission path, reducing the wiring space and simplifying the wiring work. Make it possible.

(Effects of the third invention)
The third invention of the present application is a fire prevention device provided in a fire alarm facility, which receives a notification signal from a fire detector that has detected a fire and outputs a fire alarm. When a fire confirmation is detected after receiving the alarm signal, the alarm area identification signal indicating the fire alarm area is sent to the emergency broadcasting device installed in the emergency broadcasting facility to cause the alarm to be broadcast. Sending a confirmation signal to the emergency broadcast device to make a fire broadcast, and operating a non-fire report broadcast switch on the emergency broadcast device to make a non-fire broadcast, send a non-fire confirmation signal to the fire receiver Since the fire receiver was restored, the fire receiver was restored by the non-fire confirmation signal by the operation of the non-fire confirmation switch of the emergency broadcast device, so that individual restoration operation at the fire receiver was unnecessary. Usability can be improved.

(Effects of the fourth invention)
The fourth invention of the present application is a fire prevention device provided in a fire alarm system, in a disaster prevention facility, when a fire alarm is received and a fire alarm is output by receiving a fire alarm signal from the fire detector. When a fire confirmation is detected after receiving the alarm signal, the alarm area identification signal indicating the fire alarm area is sent to the emergency broadcasting device installed in the emergency broadcasting facility to cause the alarm to be broadcast. Sending a confirmation signal to the emergency broadcast device to make a fire broadcast, and operating a non-fire broadcast switch on the emergency broadcast device to make a non-fire broadcast, send a non-fire confirmation signal to the fire receiver and fire Because the fire alarm sound by the receiver was stopped and the emergency broadcast equipment recovery switch was operated after the non-fire confirmation signal was sent, the recovery confirmation signal was sent to the fire receiver for recovery. Non-fire confirmation signal from emergency broadcast equipment On the other hand, the fire receiver automatically stops the fire alarm sound to suppress unnecessary confusion, and avoids duplication with non-fire broadcasts, so that the broadcast content is clear even on the floor where the fire occurred and directly above In addition, the fire receiver is restored by the restoration confirmation signal by the operation of the restoration switch that is performed in the extinguishing confirmation of the emergency broadcast device, so that individual restoration operation at the fire receiver is unnecessary. Usability can be improved.

Explanatory drawing showing the outline of the disaster prevention equipment that connects the fire alarm equipment and emergency broadcast equipment via a transfer line FIG. 1 is a block diagram showing a functional configuration according to the first invention of a fire receiver and an emergency broadcasting device. The circuit block diagram which showed the circuit structure of the floor-by-step report part provided in the fire receiver of FIG. Time chart showing the control operation of the fire receiver and emergency broadcast equipment when a fire is confirmed on-site for Fig. 2 Time chart showing the control operation when non-fire confirmation operation is performed at the fire receiver by non-fire site confirmation for Fig. 2 2 is a time chart showing the control operation when non-fire broadcasting operation is performed with the emergency broadcasting device by non-fire on-site confirmation FIG. 1 is a block diagram showing a functional configuration according to the second invention of a fire receiver and an emergency broadcasting device. 7 is a time chart showing the control operation when a non-fire broadcasting operation is performed with an emergency broadcasting device by confirming a fire on site. Explanatory drawing which showed the outline of the disaster prevention equipment which connected the fire alarm equipment and the emergency broadcast equipment by the transmission adapter and the transmission line The block diagram which showed the function structure by 1st invention of the fire alarm receiver of FIG. 8, and a 1st transmission adapter The block diagram which showed the function structure by 1st invention of the 2nd transmission adapter of FIG. 8, and an emergency broadcast apparatus. The block diagram which showed the function structure by 2nd invention of the fire alarm receiver of FIG. 8, and a 1st transmission adapter The block diagram which showed the function structure by 2nd invention of the 2nd transmission adapter and emergency broadcasting apparatus of FIG. Explanatory diagram showing an overview of disaster prevention equipment that connects fire alarm equipment and emergency broadcast equipment via transmission lines The block diagram which showed the function structure of the fire alarm receiver of FIG. 14, and an emergency broadcast apparatus

[Outline of disaster prevention equipment]
FIG. 1 is an explanatory diagram showing an outline of a disaster prevention facility in which a fire alarm facility and an emergency broadcast facility are connected by a transmission line.

As shown in FIG. 1, the fire alarm facility 10 includes a fire receiver 14, the emergency broadcast facility 12 includes an emergency broadcast device 20, and a plurality of transmission lines are provided between the fire receiver 14 and the emergency broadcast device 20. Connected.
(Overview of fire alarm equipment)
As shown in FIG. 1, the sensor lines L <b> 1 to Ln are drawn out from the fire receiver 14 of the fire alarm facility 10 for each warning area, and the sensor line L <b> 1 is represented between the common line C and the sensor line L <b> 1. The fire detector 16 is connected.

  The fire sensor 16 is a smoke sensor, a heat sensor, or the like, detects a change in a physical phenomenon such as smoke or heat caused by a fire, issues a notification, and transmits a notification signal to the fire receiver 14. The fire receiver 14 detects a fire and outputs a fire alarm by accumulating and receiving the alarm signal from the fire detector 16. Here, accumulation reception starts the accumulation timer upon reception of a notification signal, shuts off the power supply to the sensor line after a predetermined time, restores the fire detector that was triggered, and then fires again after restoration. It is a receiving operation to detect a fire in case.

  A transmitter 18 is connected between the sensor line L1 and the common line C as necessary, and a response signal line A is further connected to the transmitter 18 from the fire receiver 14. Further, since the transmitter 18 is provided with a telephone jack, the telephone line T is connected from the fire receiver 14.

  The transmitter 18 transmits a transmission signal to the fire receiver 14 by a switch operation by a push button operation of a fire discoverer or the like, and the fire receiver 14 that has received this transmission signal detects a fire without accumulating reception and fires. While outputting an alarm, a response signal is transmitted to the response signal line A, and a response indicator lamp provided in the transmitter 18 is turned on to notify that a fire has been received.

  When the fire alarm of the fire receiver 14 is detected by accumulating reception of the alarm signal from the fire detector 16 or by receiving the transmission signal from the oscillator 18, the main sound is emitted by turning on the representative fire light. The fire alarm sound is output by, and the area indicator lamp corresponding to the sensor line where the fire was reported is turned on to indicate the fire occurrence area. In addition, the fire receiver 14 sounds a district acoustic device (not shown) such as a district bell installed on the floor where the fire occurred and directly above the floor, and performs a district acoustic alarm.

  In response to the fire alarm operation of the fire receiver 14, personnel at the disaster prevention center, etc. go to the site where the fire was reported, and if a fire is confirmed, the fire provided in the fire receiver 14 by contacting the disaster prevention center By operating the determination switch or operating the transmitter 18 installed near the fire site and transmitting a transmission signal, the fire receiver 14 detects a fire confirmation, Cancel the main sound, stop the district sound, stop emergency broadcasting, etc. at the same time.

  Further, when the fire receiver 14 detects a fire confirmation, the fire receiver 14 performs a transfer operation of transmitting an interlocking signal to an external device including the emergency broadcast facility 12. As an interlocking signal transmitted from the fire receiver 14 to the emergency broadcast facility 12, a notification area identification signal indicating a notification area corresponding to the sensor lines L1 to Ln that the fire detector 16 has generated, for example, the emergency broadcast facility 12 is provided. If there is a building above the 11th floor above which the installation is required, there is a floor-specific signal indicating the fire alarm floor, and a fire confirmation signal when a fire alarm is detected after the alarm. In the following description, the reporting area identification signal is described as a floor signal.

  Further, the fire receiver 14 stops the sounding of the district while receiving the ringing stop signal from the emergency broadcast facility 12 while ringing the district bell based on the reception of the fire.

  Furthermore, the fire receiver 14 goes to the site and confirms a non-fire when the person in charge of the fire report visits the site. For example, the fire receiver 14 detects the acceptance of a predetermined non-story confirmation operation. When the acceptance of a non-fire confirmation operation by the confirmation switch is detected, a non-fire confirmation signal is transmitted to the emergency broadcasting device 20 to perform the non-fire broadcast, and thereafter the acceptance of the restoration operation by the restoration switch is detected. Then, recovery operations such as recovery of the fire detector 16 that has been notified and stop of the fire alarm output are performed.

  In addition, the fire receiver 14 performs a recovery operation when receiving a non-fire confirmation signal transmitted when the emergency broadcast device 20 performs non-fire broadcasting by operating the non-fire broadcasting switch based on the non-fire on-site confirmation. I do.

(Outline of emergency broadcasting equipment)
As shown in FIG. 1, the emergency broadcast device 20 of the emergency broadcast facility 12 includes, as external devices, for example, a desktop microphone device 22 used for general business broadcasts, sound sources for general business broadcasts such as background music (BGM), chimes, and the like. A sound source device 24 including an audio file, a radio tuner, a CD player, an emergency earthquake warning device 26, and the like are connected as necessary.

  Also, a speaker line SL is drawn out from the emergency broadcasting device 12, and the speaker line SL is drawn out for each broadcasting area such as a floor of a building, for example, and a plurality of speakers 28 are connected to each line. .

  The speaker 28 is installed with an output sound pressure determined by firefighting laws and regulations according to the installation location such as a living room, a non-residential room, a hallway, and a staircase. In addition, one speaker line SL uses three signal lines, a normal broadcast line N, an emergency broadcast line R, and a common line C. The normal broadcast line R may be provided with an attenuator (attenuator) for volume adjustment on the speaker branch side.

  When the emergency broadcast device 20 receives a floor signal indicating the floor of notification as an interlocking signal from the fire receiver 14 of the fire alarm facility 10, the emergency broadcast device 20 selects a speaker line on the floor where the fire has occurred and the floor immediately above and selects a predetermined line from the speaker. The sensor alert broadcast is output. In addition, the basement floor is included when the fire occurrence floor is the first floor.

  In addition, when the emergency broadcast device 20 receives a fire confirmation signal from the fire receiver 14 after performing the detector notification broadcast, the emergency broadcast device 20 outputs a predetermined fire broadcast from the speakers on the fire occurrence floor and directly above the floor. Furthermore, when a predetermined time has elapsed since the fire broadcast, the entire building is switched to the simultaneous fire broadcast that outputs the fire broadcast from the speakers on all floors.

  On the other hand, when the non-fire is confirmed on-site and the non-fire broadcast switch is operated, the emergency broadcast device 20 outputs a predetermined non-fire broadcast from the speakers on the floor where the fire has occurred and directly above. In conjunction with the operation of the non-fire broadcast switch, the emergency broadcast apparatus 20 transmits a non-fire confirmation signal to the fire receiver 14 via a transmission line, and causes the fire receiver 14 to perform a recovery operation.

[Interlocking of Fire Receiver and Emergency Broadcasting Device According to the First Invention]
2 is a block diagram showing the functional configuration according to the first invention of the fire receiver and the emergency broadcast device with respect to FIG. 1, and FIG. 3 is a circuit showing the circuit configuration of the floor-level transfer section provided in the fire receiver of FIG. It is a block diagram.

(Functional configuration on the fire receiver side)
As shown in FIG. 2, the fire receiver 14 includes a reception control unit 30, and the reception control unit 30 is a function realized by executing a program, for example, as a hardware, a CPU, a memory, various input / output ports, and the like Use a computer circuit equipped with

  For the reception control unit 30, a notification receiving unit 32, a display unit 34, an operation unit 36 having a non-fire confirmation switch 35, an alarm unit 38, a floor-specific transmission unit 40, a fire transmission unit 42, a ringing stop reception Section 44, non-fire confirmation transfer section 46, and non-fire confirmation reception section 48.

  The alarm receiving unit 32 is provided corresponding to the sensor lines L1 to Ln, receives and outputs the alarm signal from the fire detector 16, and outputs the alarm signal from the transmitter 18 shown in FIG. Receive and output. Here, the alert signal from the fire detector 16 connected to the same sensing line L1 shown in FIG. 1 is distinguished from the alert signal from the transmitter 18 by changing the respective resistance values. The signal current of the transmission signal is different from the signal current of the transmission signal, and the reception control unit 30 determines whether the signal is a transmission signal or a transmission signal from the difference in reception voltage due to the signal current flowing through the reception-side resistor provided in the notification reception unit 32. It is possible to detect them separately.

  The display unit 34 is provided with various indicator lamps and displays such as a display necessary for fire monitoring such as a fire representative lamp and a district indicator lamp.

  The operation unit 36 is provided with various switches necessary for fire monitoring such as a main sound stop switch, a district sound stop switch, a fire determination switch, a recovery switch, an emergency broadcast interlocking stop switch, and the like in this embodiment. Provides a new non-fire confirmation switch 35 for interlocking control of non-fire broadcasting of the emergency broadcast device 20.

  The alarm unit 38 includes a speaker and outputs a fire alarm based on the main sound, and outputs an operation sound accompanying a switch operation and various guidance sounds.

  The floor transfer unit 40 is provided corresponding to the sensor lines L1 to Ln, and receives the floor signal from the floor transfer unit 40 corresponding to the received sensor line that has received the alert signal. It transmits to the emergency broadcast apparatus 20 by ELn.

  As shown in FIG. 3, the floor-level transfer unit 40 includes a relay 130 that is operated by the reception control unit 30, and connects a line to the emergency broadcast apparatus 20 to a relay contact 132 that is normally open. When the relay contact 132 is closed by the operation of the relay 130, the floor signal is output as a so-called no-voltage contact signal. This point is the same for other transfer units, and various signals are transmitted as no-voltage contact signals.

  Referring to FIG. 2 again, the fire transfer unit 42 transmits a fire confirmation signal to the emergency broadcast apparatus 20 through the fire confirmation line EF when a fire confirmation is detected.

  The ringing stop receiving unit 44 outputs the ringing stop signal from the emergency broadcast apparatus 20 through the ringing stop line EB to the reception control unit 30 to stop the district sound ringing.

  The non-fire confirmation transfer unit 30 sends the non-fire confirmation signal to the emergency broadcast device 20 through the non-fire confirmation line ER1 based on the instruction of the reception control unit 30 when the acceptance of the non-fire confirmation operation by the non-fire confirmation switch 35 is detected. To send non-fire broadcasts.

  The non-fire confirmation receiving unit 48 receives a non-fire confirmation signal from the emergency broadcast apparatus 20 through the non-fire confirmation line ER2, and outputs the non-fire confirmation signal to the reception control unit 30 to perform a recovery operation.

  The reception control unit 30 instructs the display unit 34 and the alarm unit 38 to display a representative fire display when a fire is detected from the accumulated reception of the notification signal by any of the notification reception units 32 corresponding to the sensor lines L1 to Ln. In addition to displaying the fire area and the fire alarm, the main sound and the disaster alarm sound due to the sound of the area are output.

  Further, when the reception control unit 30 detects a fire, the reception control unit 30 operates a relay provided in the floor transfer unit 40 corresponding to the sensor line detecting the fire alarm, for example, the sensor line L1, and closes the relay contact. Control to transmit a floor signal to the floor line EL1.

  In addition, if the reception control unit 30 detects a fire after receiving a transmission signal or operating a fire determination switch after detecting a fire, it activates a relay provided in the fire alarm unit 42 and closes the relay contact. Control to transmit a fire confirmation signal to the fire confirmation line EF.

  In addition, when the reception control unit 30 detects reception of a ringing stop signal by the ringing stop reception unit 44 during ringing of the district acoustic alarm, the reception control unit 30 performs control to stop ringing of the district acoustic alarm while receiving this. .

  In addition, when the reception control unit 30 detects acceptance of a non-fire confirmation operation by the non-fire confirmation switch 35 performed when a non-fire is confirmed by visiting a staff member in response to a fire alarm, the non-fire confirmation transfer unit 46 is detected. Is operated to close the relay contact and transmit a non-fire confirmation signal to the non-fire confirmation line ER1.

  Further, the reception control unit 32 includes the restoration of the fire detector 16 that has been notified and the stop of the main sound and the district sound when the non-fire receiving unit 48 detects the reception of the non-fire confirmation signal from the emergency broadcast device 20. Perform recovery control.

(Functional configuration of emergency broadcast equipment)
As shown in FIG. 2, the emergency broadcast apparatus 20 includes a control unit 50. The control unit 50 is a function realized by, for example, execution of a program, and includes a CPU, a memory, various input / output ports, and the like as hardware. Use computer circuit etc.

  For the control unit 50, the floor reception unit 52, fire confirmation reception unit 54, microphone switch 56, non-fire confirmation reception unit 58, non-fire confirmation transfer unit 60, display unit 62, operation unit 64, broadcast sound source unit 66, a microphone 68, a broadcast input selection unit 70, and a broadcast output selection unit 72 are provided.

  The floor reception unit 52 is provided corresponding to the floor lines EL1 to ELn from the fire receiver 14, and the relay contact of the floor message transfer unit 40 provided to the fire receiver 14 via the floor lines EL1 to ELn. When a predetermined voltage is applied between them and a relay contact closes due to the operation of the relay of the floor moving part 40, a signal current flows, and the received voltage between the lines is output to the control part 50 to output a floor signal. Detect reception of.

  The fire receiving unit 54 is similar to the floor receiving unit 52, and a predetermined voltage is applied between the relay contacts of the fire confirmation transfer unit 42 provided in the fire receiver 14 via the fire confirmation line EF. When the relay contact is closed by the operation of, a signal current flows, and the received voltage between the lines is output to the control unit 50 to detect reception of the fire confirmation signal.

  The microphone switch 56 is turned on while an attendant picks up the microphone 68 provided on the operation panel for emergency broadcasting such as evacuation guidance, and transmits a ringing stop signal to the fire receiver 14 as a no-voltage contact signal.

  The operation unit 64 is provided with an emergency broadcast switch, a line selection switch, a non-fire broadcast switch, a recovery switch, and the like, and the display unit 62 is provided with an indicator lamp corresponding to each switch of the operation unit 64.

  The broadcast sound source unit 66 stores broadcast message information such as notification broadcasts, fire broadcasts, non-fire broadcasts, emergency broadcasts such as earthquakes and thefts, and training broadcasts. The broadcast message information received from the control unit 50 is stored as broadcast message information. It is converted into a read analog broadcast signal and output.

  The microphone 68 is provided on the operation panel of the emergency broadcast device 20 and allows a person in charge of the disaster prevention center to input a broadcast for instructing evacuation guidance or the like as necessary. When the attendant picks up the microphone 68 from the operation panel for emergency broadcasting, the microphone switch 56 is turned on and a ringing stop signal is transmitted to the fire receiver 14.

  A broadcast input selection unit 70 inputs and connects a broadcast sound source unit 66, a microphone 68, an external desktop microphone device 22, a sound source device 24, and an emergency earthquake warning device 26, and selects a specific broadcast input according to an instruction from the control unit 50. To the broadcast output selection unit 72.

  The broadcast output selection unit 72 outputs the broadcast signal input from the broadcast input selection unit 70 to a line selected from the speaker lines SL1 to SLn according to an instruction from the control unit 50, and outputs the broadcast from the speaker. In addition, the broadcast output selection unit 72 is provided with a power amplifier, which enables the necessary sound pressure output of the speaker. The power amplifier may be provided for each speaker line, or a predetermined number of speaker lines may be grouped and provided for each group.

  When the control unit 50 detects the reception of the floor signal by any one of the floor reception units 52 provided corresponding to the floor lines EL1 to ELn, the control unit 50 instructs the broadcast sound source unit 66 to send the notification broadcast message information. Reproduce and output, instruct the broadcast input selection unit 70 to select the broadcast input from the broadcast sound source unit 66, and further instruct the broadcast output selection unit 72 to provide speaker lines on the floor where the fire has occurred and directly above, for example, the speaker line SL1 , SL2 is selected and a notification broadcast signal is output, and control is performed to output the sensor notification broadcast from the speakers connected to the speaker lines SL1 and SL2.

  Further, when the control unit 50 detects the reception of the fire confirmation signal by the fire confirmation reception unit 54 during the alarm notification broadcast, the control unit 50 instructs the broadcast sound source unit 66 to reproduce and output the fire broadcast message information, and to input the broadcast. Control is performed to output a fire broadcast from the speakers connected to, for example, the speaker lines SL1 and SL2 on the floor where the fire has occurred and the floor directly above, via the selection unit 70 and the broadcast output selection unit 72.

  Furthermore, when the control unit 50 detects the passage of a predetermined time from the fire broadcast, the control unit 50 instructs the broadcast output selection unit 72 to select all the speaker lines SL1 to SLn to switch to the entire building simultaneous fire broadcast. I do.

  On the other hand, if the control unit 50 detects acceptance of non-fire broadcasting by operating the non-fire broadcasting switch when the attendant visits the site and confirms non-fire during the detector alarm broadcast, The non-fire broadcast message information is reproduced by being instructed, and the non-fire broadcast is transmitted from the speakers connected to, for example, the speaker lines SL1 and SL2 on the floor where the fire has occurred and directly above the floor via the broadcast input selection unit 70 and the broadcast output selection unit 72. Control to output.

  Further, when the control unit 50 detects acceptance of an emergency broadcast by operating an emergency broadcast switch, the control unit 50 operates a relay provided in the non-fire confirmation transfer unit 60, closes the relay contact, and does not connect to the non-fire confirmation line ER2. Control to restore the fire receiver 14 by transmitting a fire confirmation signal is performed.

  In addition, when the non-fire confirmation reception unit 58 detects the reception of the non-fire confirmation signal during the detector alarm broadcast, the control unit 50 instructs the broadcast sound source unit 66 to reproduce and output the non-fire broadcast message information. The non-fire broadcast is output from the speakers connected to, for example, the speaker lines SL1 and SL2 on the floor where the fire has occurred and directly above the floor via the broadcast input selection section 70 and the broadcast output selection section 72.

  Moreover, the control part 50 performs control which broadcasts an emergency earthquake broadcast simultaneously, when the emergency earthquake warning information reception by the emergency earthquake warning apparatus 26 is detected. Further, the control unit 50 controls general business broadcasts such as chimes, BGM, and calls as daily business broadcasts.

(Interaction in case of fire)
FIG. 4 is a time chart showing the cooperative operation of the fire receiver and the emergency broadcast apparatus when a fire is confirmed on-site in FIG.

  In FIG. 4, when the fire receiver 14 detects a fire based on the alarm from the fire detector 16 in step S1 (hereinafter “step” is omitted), the process proceeds to S2 to display a fire representative display, district display, main sound ringing, and district. A fire alarm operation including an acoustic ringing is performed, and a floor signal corresponding to the sensor line issued in S3 is transmitted to the emergency broadcast apparatus 20.

  When the emergency broadcast device 20 detects the reception of the floor signal from the fire receiver 14, in S4, the emergency broadcast device 20 broadcasts the detector from the speakers connected to the speaker lines on the fire floor and the directly above floor.

  Here, when a person in charge of the disaster prevention center receives a fire alarm, goes to the site, confirms the fire and operates the transmitter, or operates the fire determination switch of the fire receiver 14, the reception control unit 30 of the fire receiver 14. Detects a fire confirmation in S5, and transmits a fire confirmation signal to the emergency broadcast apparatus 20 in S6.

  When the emergency broadcast device 20 detects the reception of the fire confirmation signal from the fire receiver 14, it switches the detector alarm broadcast on the fire floor and the immediately above floor to fire broadcast in S7, and then passes the predetermined time in S8. If it detects, it will progress to S9 and will broadcast to the whole building simultaneous fire broadcasting.

  Subsequently, when the clerk confirms that the fire has been extinguished in S10, the recovery switch of the fire receiver 14 is operated. If it is detected in S11 that a recovery instruction is received by operating the recovery switch, the process proceeds to S12, and the fire detector 16 that has issued the alarm is detected. Recovery operations, including fire alarm display and fire alarm sound stop, and cancellation of various interlocking stops operated in response to fire reception.

  Further, since the recovery switch of the emergency broadcast device 20 is operated based on the confirmation of fire extinguishing by the staff, if a reception of a recovery instruction by operating the recovery switch is detected in S13, the process proceeds to S14 and a predetermined recovery operation for stopping the fire broadcast is performed. Do.

(Interlocking by non-fire confirmation operation of fire receiver)
FIG. 5 is a time chart showing a control operation in a case where a non-fire confirmation operation is performed with a fire receiver by non-fire site confirmation in FIG.

  In FIG. 5, when the fire receiver 14 detects a fire based on the alarm from the fire detector 16 in step S21, the process proceeds to S22 to perform a fire alarm operation, and further classifies corresponding to the sensor line notified in S23. The signal is transmitted to the emergency broadcast device 20. When the emergency broadcast device 20 detects the reception of the floor signal from the fire receiver 14, in S24, the emergency broadcast device 20 broadcasts the detector from the speaker connected to the speaker lines on the fire floor and the directly above floor.

  Here, if the staff of the disaster prevention center receives a fire alarm, goes to the site, confirms a non-fire in S25, and operates the non-fire confirmation switch of the fire receiver 14 based on this, the fire receiver 14 is in S26. The acceptance of the non-fire confirmation operation by the non-fire confirmation switch is detected, and the process proceeds to S27, where a non-fire confirmation signal is transmitted to the emergency broadcast device 20.

  On the other hand, when the emergency broadcast apparatus 20 detects the reception of the non-fire confirmation signal from the fire receiver 14, the emergency detector notification broadcast for the fire floor and the directly above floor is switched to the non-fire broadcast in S28. Subsequently, when reception of a recovery instruction by operating the recovery switch of the emergency broadcast device 20 is detected in S29, the process proceeds to S31, and a predetermined recovery operation for stopping non-fire broadcasting is performed.

  The fire receiver 14 also proceeds to S32 upon detecting acceptance of a restoration instruction by operating a restoration switch provided in the fire receiver 14 in S31, and restores the fire detector 16 that has been notified, fire alarm display, and fire alarm. Predetermined recovery operations are performed, including stopping sounds and releasing various interlocking stops that have been operated in response to fire reception.

  In this way, when a non-fire is confirmed on-site with respect to the fire detection of the fire receiver 14, when the non-fire confirmation switch is operated on the fire receiver 14, the non-fire broadcast is automatically transmitted by the emergency broadcast device 20 in conjunction with this operation. As a result, it is not necessary to operate the non-fire broadcast switch of the emergency broadcast device 20, and it is possible to cope with the non-fire quickly and appropriately.

(Interlocking with emergency broadcast equipment recovery operation)
FIG. 6 is a time chart showing the control operation when the non-fire broadcasting operation is performed by the emergency broadcasting device by the non-fire on-site confirmation in FIG.

  In FIG. 6, when the fire receiver 14 detects a fire based on the notification from the fire detector 16 in step S41, the process proceeds to S42 to perform a fire alarm operation, and further classifies corresponding to the sensor line issued in S43. The signal is transmitted to the emergency broadcast device 20. When the emergency broadcast device 20 detects the reception of the floor signal from the fire receiver 14, in S44, the emergency broadcast device 20 broadcasts the detector from the speakers connected to the speaker lines on the fire floor and the directly above floor.

  Here, if a person in charge of the disaster prevention center receives a fire alarm, goes to the site, confirms a non-fire in S45, and operates the non-fire broadcast switch of the emergency broadcast device 20 based on this, the emergency broadcast device is not in S46. Detection of acceptance of non-fire broadcasting by the operation of the fire broadcasting switch is detected, and the process proceeds to S47 to switch from the sensor alarm broadcasting to the non-fire broadcasting to the fire floor and the directly above floor.

  The emergency broadcast device 20 transmits a non-fire confirmation signal to the fire receiver 14 in S48 based on the detection of acceptance of non-fire broadcasts by operating the non-fire broadcast switch.

  When the fire receiver 14 detects the reception of the non-fire confirmation signal from the emergency broadcast device 20 in S49, the process proceeds to S51, and the fire detector 16 that has been notified is restored, the fire alarm display and the fire alarm sound are stopped, and the fire is received. A predetermined recovery operation including release of various interlocking stops operated in the above manner is performed. In addition, if it is detected in S50 that a recovery instruction is received by operating the recovery switch before detecting the reception of the non-fire confirmation signal in S49, the process proceeds to S51 to perform the recovery operation.

On the other hand, when the emergency broadcast apparatus 20 detects acceptance of a recovery instruction by operating the recovery switch of the emergency broadcast apparatus 20 in S52, the emergency broadcast apparatus 20 proceeds to S53 and performs a predetermined recovery operation to stop non-fire broadcasting. When a non-fire is confirmed on-site in response to a fire detection of the fire, if the emergency broadcast device 20 operates the non-fire broadcast switch and performs an emergency broadcast, the fire receiver 140 is automatically restored in conjunction with the emergency broadcast. It is not necessary to operate the recovery switch of the fire receiver 14 in order to stop the alarm, and it is possible to deal with a non-fire quickly and appropriately.

[Interoperation of Fire Receiver and Emergency Broadcasting Device by Second Invention]
FIG. 7 is a block diagram showing a functional configuration according to the second invention of the fire receiver and the emergency broadcast device in FIG.

(Functional configuration of fire receiver and emergency broadcast equipment)
As shown in FIG. 7, the fire receiver 14 includes a reception control unit 30, a notification receiving unit 32, a display unit 34, an operation unit 36 including a non-fire confirmation switch 35, an alarm unit 38, and a floor-by-level transfer unit 40. , A fire transfer unit 42, a ringing stop reception unit 44, a non-fire confirmation transfer unit 46, and a non-fire confirmation reception unit 48, which are the same as the embodiment of FIG. In addition to this, in the present embodiment, a recovery confirmation receiving unit 114 is newly provided for the reception control unit 30, and a non-fire broadcasting medium lamp 116 is newly provided on the display unit 34.

  The emergency broadcast device 20 includes a control unit 50, a floor reception unit 52, a fire confirmation reception unit 54, a microphone switch 56, a non-fire confirmation reception unit 58, a non-fire confirmation transfer unit 60, a display unit 62, and an operation unit 64. , A broadcast sound source unit 66, a microphone 68, a broadcast input selection unit 70, and a broadcast output selection unit 72, which are the same as the embodiment of FIG. In addition, in the present embodiment, a recovery signal transfer unit 108 is newly provided for the control unit 50.

  When the reception control unit 30 of the fire receiver 14 detects the acceptance of the non-fire confirmation operation by the non-fire confirmation switch 35 during the fire alarm, the non-fire confirmation transfer unit 46 is activated and the emergency broadcast device 20 is not activated. Control is performed to transmit a fire confirmation signal through the non-fire confirmation line ER1. The point that non-fire broadcasting is performed from the emergency broadcasting device 20 in conjunction with the operation of the recovery switch of the fire receiver 14 is the same as the embodiment of the first invention of FIG.

  On the other hand, the control unit 50 of the emergency broadcast device 20 performs non-fire broadcasting when detecting acceptance of non-fire broadcasting due to operation of the non-fire broadcasting switch during detector alarm broadcasting, and also includes a non-fire confirmation transferring unit. 60 is operated to control to transmit a non-fire confirmation signal to the fire receiver 14 through the non-fire confirmation line ER2.

  In response to the transmission of the non-fire confirmation signal by the emergency broadcast device 20, the reception control unit 30 of the fire receiver 14 detects the reception of the non-fire confirmation signal by the non-fire confirmation reception unit 48 and the main sound and the district sound. Control to stop the fire alarm sound is performed, and further control to turn on the non-fire broadcasting light 116 is performed.

  In addition, when the control unit 50 of the emergency broadcast device 20 detects the reception of the recovery instruction by operating the recovery switch during the non-fire broadcasting, the control unit 50 operates the recovery confirmation transfer unit 108 and sends the recovery confirmation signal to the recovery confirmation line ER3. The control to transmit to the fire receiver 14 is performed, and then the control to stop and restore the non-fire broadcast is performed.

  In response to the transmission of the restoration confirmation signal by the emergency broadcast device 20, the reception control unit 30 of the fire receiver 14 detects the reception of the restoration confirmation signal by the restoration confirmation receiving unit 114, the restoration of the fire detector 16 that has been notified, Performs recovery control such as release of operation water switches such as alarm stop, interlock stop, and news stop, etc. that are operated in response to fire reception, and stop of various displays. Other functional configurations and controls are the same as those in the embodiment of the first invention shown in FIG.

(Interlocking with emergency broadcast equipment recovery operation)
FIG. 8 is a time chart showing the interlocking control operation unique to the second invention in the case where a restoration operation is performed by the emergency broadcast apparatus by non-fire site confirmation with respect to FIG.

  In FIG. 8, when the fire receiver 14 detects a fire based on the notification from the fire detector 16 in step S61, the fire receiver 14 proceeds to S62 to perform a fire alarm operation, and further classifies corresponding to the sensor line notified in S63. The signal is transmitted to the emergency broadcast device 20. When the emergency broadcast device 20 detects the reception of the floor signal from the fire receiver 14, in S64, the emergency broadcast device 20 broadcasts the detector from the speakers connected to the speaker lines on the fire floor and the directly above floor.

  Here, if a person in charge of the disaster prevention center receives a fire alarm, goes to the site, confirms a non-fire in S65, and operates a non-fire broadcast switch of the emergency broadcast device 20 based on this, the emergency broadcast device is not in S66. Detection of acceptance of non-fire broadcasts by the operation of the fire broadcast switch is detected, and the process proceeds to S67 to switch from the sensor alarm broadcasts for the fire floor and the directly above floor to non-fire broadcasts.

  Subsequently, the emergency broadcast device 20 operates the non-fire confirmation transfer unit 60 in S68 based on the detection of the non-fire broadcast by the operation of the non-fire broadcast switch, and transmits the non-fire confirmation signal to the fire receiver 14, and then continues. In S74, the non-fire broadcasting is stopped and restored.

  When the fire receiver 14 detects the reception of the non-fire confirmation signal from the emergency broadcast apparatus 20 in S69, the fire receiver 14 proceeds to S70 and stops the fire alarm sound by the main sound and the district sound. Subsequently, in S70, the non-fire broadcasting medium lamp 116 is turned on to display that the emergency broadcasting apparatus 20 is performing non-fire broadcasting.

  On the other hand, when the emergency broadcast apparatus 20 detects acceptance of a recovery instruction by operating the recovery switch in S72, the process proceeds to S73 and transmits a recovery confirmation signal to the fire receiver 14. On the other hand, when the fire receiver 14 detects the reception of the restoration confirmation signal in S76, the process proceeds to S77 to stop the alarm display such as the representative fire display and the district display, and to restore, restore, and receive the fire of the fire detector 16 that has been notified. Release the alarm stop, interlocking stop, and stop of the alarm that were operated along with it, and recover. In addition, if it is detected in S77 that a recovery instruction is accepted by operating the recovery switch before detecting the reception of the recovery confirmation signal in S75, the process proceeds to S77 and is similarly recovered.

(Advantages of the embodiment of FIG. 7)
In this way, when the emergency broadcast switch of the emergency broadcasting device is operated for non-fire site confirmation, a non-fire is detected by sending a non-fire confirmation signal to the fire receiver to stop the fire alarm sound. When confirmed, the fire alarm automatically stops without stopping the main sound and district sound at the fire receiver, suppressing unnecessary confusion, and non-fire broadcasting without being disturbed by the fire alarm sound Can be heard clearly.

  In addition, if the recovery switch is operated on the emergency broadcasting device during non-fire broadcasting, the alarm display such as the representative fire display and the district display is stopped at the fire receiver by interlocking control, the fire detector that has been triggered is recovered, and the fire is received. Recovery that cancels the alarm stop, interlock stop, message stop, etc. that were operated in this way is automatically performed, and it is possible to take prompt and appropriate action when a non-fire is confirmed.

In addition, when a fire receiver receives a non-fire confirmation signal from an emergency broadcast device and stops the fire alarm sound, the fire receiver should turn on a non-fire broadcast light indicating that the emergency broadcast device is on non-fire broadcast. Therefore, it is possible to know the status of non-fire broadcasting by the emergency broadcasting device with a fire receiver, and to accurately grasp the situation due to the mutual interlocking and to take appropriate measures.
[Outline of disaster prevention equipment transmitted by transmission adapter]
FIG. 9 is an explanatory diagram showing an overview of disaster prevention equipment in which a fire alarm facility and an emergency broadcast facility are connected by a transmission adapter and a transmission path.

  As shown in FIG. 9, the fire alarm facility 10 includes a fire receiver 14 and a first transmission adapter 74, and the emergency broadcast facility 12 includes an emergency broadcast device 20 and a second transmission adapter 76. The first transmission adapter 74 and the emergency broadcast apparatus 20 and the second transmission adapter 76 are connected by a plurality of transmission lines, and the first transmission adapter 74 and the second transmission adapter 76 are connected by a transmission line 78. Yes.

(Overview of fire alarm equipment)
As shown in FIG. 9, the fire alarm system 10 includes a fire receiver 14, and the sensor lines L <b> 1 to Ln are drawn from the fire receiver 14 for each warning area, and the sensor line L <b> 1 is connected to the common line C. As representatively shown, a fire detector 16 is connected. A transmitter 18 is connected between the sensor line L1 and the common line C as necessary, and a response signal line A is further connected to the transmitter 18 from the fire receiver 14. Further, since the transmitter 18 is provided with a telephone jack, the telephone line T is connected from the fire receiver 14.

(Outline of emergency broadcasting equipment)
As shown in FIG. 9, the emergency broadcast facility 12 includes an emergency broadcast device 20, and for example, a desktop microphone device 22, a sound source device 24, and an emergency earthquake warning device 26 are connected as external devices as necessary. A speaker line SL is drawn out from the emergency broadcast apparatus 12, and a plurality of speakers 28 are connected to each line.

(Signal transmission between fire alarm equipment and emergency broadcast equipment)
As shown in FIG. 9, in the present embodiment, the fire receiver 14 and the emergency broadcast device 20 are connected by providing the first transmission adapter 74, the transmission path 78, and the second transmission adapter 76. As a result, the transmission lines 78 are substantially connected.

  The first transmission adapter 74 provided on the fire receiver 14 side is arranged in an empty space or the like in the casing of the fire receiver 14 or on the back side of the casing, and is connected to the fire receiver 14 by a plurality of transmission lines. When a signal is received from the fire receiver 14, the signal is converted into a packet format transmission signal including a header portion and a data portion, and transmitted through a transmission path 78 having a predetermined number of core wires using a LAN cable or the like. The first transmission adapter 74 converts the transmission signal in the packet format received from the second transmission packet into a line signal, and transmits the line signal to the fire receiver 14 through the corresponding transmission line.

  The second transmission adapter 74 provided on the emergency broadcast device 20 side is disposed in an empty space or the like in the housing of the emergency broadcast device 20 or on the back side of the housing, and is connected to the emergency broadcast device 20 by a plurality of transmission lines. ing. The second transmission adapter 76 converts the transmission signal in the packet format received from the first transmission adapter 74 via the transmission path 78 into a line signal, and transmits the line signal through the corresponding transmission line. Further, the second transmission adapter converts the line signal received from the emergency broadcast device 20 into a packet-format transmission signal and transmits the packet signal through the transmission path 34.

[Embodiment of First Invention Transmitted by Transmission Adapter]
(Functional configuration on the fire receiver side)
FIG. 10 is a block diagram showing a functional configuration of the fire receiver on the fire alarm facility side and the first transmission adapter.

  As shown in FIG. 10, the fire receiver 14 includes a reception control unit 30, a notification receiving unit 32, a display unit 34, an operation unit 36 having a non-fire confirmation switch 35, an alarm unit 38, and a floor-by-level transfer unit 40. , A fire alarm unit 42, a ringing stop receiver unit 44, a non-fire confirmation message transfer unit 46, and a non-fire confirmation receiver unit 48, the function and control of which are the same as the embodiment of the fire receiver shown in FIG. .

(Functional configuration of the first transmission adapter)
As shown in FIG. 10, the first transmission adapter 30 includes a transmission control unit 80. The transmission control unit 80 is a function realized by executing a program, for example, as a hardware, a CPU, a memory, various input / outputs A computer circuit equipped with a port or the like is used.

  For the transmission control unit 80, a transmission unit 82, a floor reception unit 84, a fire confirmation reception unit 86, a ringing stop transmission unit 88, a non-fire confirmation reception unit 90, and a non-fire confirmation transmission unit 92 are provided. .

  The floor receiving unit 84 is provided corresponding to the floor lines EL1 to ELn from the fire receiver 14, and between the relay contacts of the floor moving part 40 provided to the fire receiver 14 via the floor lines EL1 to ELn. When a predetermined voltage is applied to the relay and the relay contact is closed by the operation of the relay of the step-by-step signal transmission section 40, a signal current flows (this corresponds to transmission of a no-voltage contact signal), thereby causing a signal line to The reception voltage is output to the transmission control unit 80 to detect reception of the floor signal.

  The fire confirmation receiving unit 86 is the same as the floor receiving unit 84, and a predetermined voltage is applied between the relay contacts of the fire confirmation transfer unit 42 provided in the fire receiver 14 via the fire confirmation line EF. When the relay contact is closed by the operation of the relay, a signal current flows, and the reception voltage between the lines is output to the transmission control unit 80 to detect reception of the fire confirmation signal.

  The interlock stop transmission unit 88 is the same as the floor transfer unit 40 provided in the fire receiver 14, and is based on the ring stop transmission signal transmission unit 82 transmitted from the second transmission adapter 76 on the emergency broadcast device 20 side. When the reception is detected, the transmission control unit 80 outputs a ringing stop signal as a no-voltage contact signal to the fire receiver 14 by operating the relay and closing the relay contact.

  The non-fire confirmation receiving unit 90 is the same as the floor receiving unit 84, and applies a predetermined voltage between the relay contacts of the non-fire confirmation transfer unit 46 provided in the fire receiver 14 via the non-fire confirmation line ER1. When the relay contact is closed by the operation of the relay, a signal current flows, and the received voltage between the lines is output to the transmission control unit 80 to detect the reception of the fire confirmation signal.

  The non-fire confirmation transfer unit 92 is the same as the floor transfer unit 40 provided in the fire receiver 14, and transmits the ringing stop transmission signal 82 transmitted from the second transmission adapter 76 on the emergency broadcast device 20 side. By detecting the reception by the transmission control unit 80, the relay is operated and the relay contact is closed to output a non-fire confirmation signal as a no-voltage contact signal to the fire receiver 14.

  The transmission unit 82 converts the transmission signal into a packet format based on an instruction from the transmission control unit 80, transmits the transmission signal to the second transmission adapter 76 via the LAN cable constituting the transmission path 78, and transmits the second transmission adapter 76 via the transmission path 78. 2 A packet-type transmission signal is received from the transmission adapter 76.

  When the transmission control unit 80 detects reception of a floor signal by any of the floor reception units 84, a fire confirmation signal by the fire confirmation reception unit 86 or a non-fire confirmation signal by the non-fire confirmation reception unit 90, each transmission control unit 80 The signal is converted into a packet-type transmission signal, and the transmission unit 82 is instructed to perform signal transmission according to a predetermined protocol.

  Further, the transmission control unit 80 converts the ringing stop or non-fire confirmation transmission signal received via the transmission unit 82 into a ringing stop signal or non-fire confirmation signal, and the ringing stop signaling unit 88 or non-fire confirmation transfer. The information section 92 is operated to control transmission to the fire receiver 14.

  Here, the transmission unit 82 performs transmission control by a combination of Ethernet (registered trademark), which is a physical standard known as a LAN protocol, and a TCP / IP protocol (IP layer and TCP layer standard). For example, 1000BASE-T is used as the Ethernet (registered trademark). 1000BASE-T uses category 5E (enhanced category 5) or higher of the heat resistance specification as a LAN cable. Category 5E LAN cable is an 8-core cable that combines four pairs of twisted wires (twist wires). 1000BASE-T uses all four pairs of 8 cores and has a transmission speed of 100 Mbps within 100 meters. It can be realized by transmission distance.

(Functional configuration on the emergency broadcast equipment side)
FIG. 9 is a block diagram showing a functional configuration of the second transmission adapter on the emergency broadcast equipment side and the emergency broadcast apparatus.

  First, the emergency broadcast device 20 will be described. The emergency broadcast device 20 includes a control unit 50, a floor reception unit 52, a fire confirmation reception unit 54, a microphone switch 56, a non-fire confirmation reception unit 58, a non-fire confirmation transfer unit 60, A display unit 62, an operation unit 64, a broadcast sound source unit 66, a microphone 68, a broadcast input selection unit 70, and a broadcast output selection unit 72 are provided, and the configuration and functions are the same as those in the embodiment of FIG.

(Functional configuration of the second transmission adapter)
As shown in FIG. 11, the second transmission adapter 76 includes a transmission control unit 94. The transmission control unit 94 is a function realized by executing a program, for example, as a hardware, a CPU, a memory, various input / outputs. A computer circuit equipped with a port or the like is used. For the transmission control unit 94, a transmission unit 96, a floor-by-level transmission unit 98, a fire confirmation transmission unit 100, a ringing stop reception unit 102, a non-fire confirmation transmission unit 104, and a non-fire confirmation reception unit 106 are provided. Yes.

  The transmission unit 96 is the same as the transmission unit 82 of the first transmission adapter 74, and performs transmission control by a combination of Ethernet (registered trademark) and TCP / IP protocol, for example.

  The floor-by-floor transfer unit 98 is provided corresponding to the floor-by-floor transfer unit 40 of the fire receiver 14 shown in FIG. 2, and similarly, the relay is operated by the transmission control unit 94 to close the relay contact. A floor signal is transmitted to the device 20 side as a no-voltage contact signal. This is the same for the fire confirmation signal transfer unit 100 and the non-fire confirmation signal transfer unit 104, and transmits a fire confirmation signal or a non-fire confirmation signal as a no-voltage contact signal.

  The ringing stop receiving unit 102 is the same as the ringing stop receiving unit 44 provided in the fire receiver 14 of FIG. 2, receives the ringing stop signal when the microphone switch 56 of the emergency broadcast device 20 is turned on, and sends it to the transmission control unit 94. Output.

  The non-fire confirmation transfer unit 104 is similar to the non-fire confirmation transfer unit 46 provided in the fire receiver 14 of FIG. 2, and transmits a non-fire confirmation signal to the emergency broadcast device 20.

  The non-fire confirmation receiving unit 106 is the same as the non-fire confirmation receiving unit 48 provided in the fire receiver 14 of FIG. 2, receives a non-fire confirmation signal from the emergency broadcast device 20 and outputs it to the transmission control unit 94.

  In addition, the emergency broadcast apparatus 20 is connected to the output side of the floor-level signal transmission unit 98 via the level-specific lines EL1 to ELn, and the output side of the fire confirmation signal transmission unit 100 is connected to the fire confirmation line EF via the fire confirmation line EF. The input side of the receiving unit 102 is connected by the ringing stop line EB, the output side of the fire confirmation transferring unit 104 is connected by the non-fire confirmation line ER1, and the input side of the non-fire confirmation receiving unit 106 is further connected by the non-fire confirmation line. Connected by ER2.

  When the transmission control unit 94 detects the reception of the floor transmission signal by the transmission unit 96, the transmission control unit 94 operates the relay of the floor transfer unit 98 of the corresponding floor, closes the relay contact, and sends the floor signal to the emergency broadcast device 20. Control to send to. The same applies to the case where the transmission of the fire confirmation transmission signal or the non-fire confirmation signal is detected by the transmission section 96, and the relay contact is closed by the relay operation of the fire confirmation transmission section 100 or the non-fire confirmation transmission section 104. Then, control is performed to transmit a fire confirmation signal or a non-fire confirmation signal to the emergency broadcast apparatus 20.

  In addition, when the transmission control unit 94 detects reception of the ringing stop signal or the non-fire confirmation signal by the ringing stop reception unit 102 or the non-fire confirmation reception unit 106, the transmission control unit 94 converts the reception signal into a packet format transmission signal, Instructs and transmits.

(Advantages of transmission using a transmission adapter)
As shown in FIGS. 10 and 11, the fire receiver 14 and the first transmission adapter 74 and the emergency broadcast apparatus 20 and the second transmission adapter 76 are connected by a plurality of transmission lines, and the first transmission adapter. 74 and the second transmission adapter 76 are connected by a transmission line 78, and the figure is based on the mutual interlocking accompanying the non-fire confirmation operation of the fire receiver or the non-fire broadcast operation of the emergency broadcast device when the non-fire is confirmed on-site. In addition to the same merits as in the second embodiment, by performing emergency broadcast control in conjunction with each other between the fire receiver 14 and the emergency broadcast device 20, a large number of data are transmitted and received between the fire receiver 14 and the emergency broadcast device 20. 1 transmission line 78 for connecting the first transmission adapter 74 and the second transmission adapter 76, for example, one cable of the heat resistance category 5E, regardless of the number of signal wirings corresponding to the number of line signals. It is possible to reduce the wiring storage space between the fire receiver 14 and the emergency broadcast device 20 and to simplify the wiring.

[Embodiment of Second Invention Transmitted by Transmission Adapter]
(Functional configuration on the fire receiver side)
FIG. 12 is a block diagram showing a functional configuration according to the second invention of the fire alarm receiver and the first transmission adapter of FIG.

  As shown in FIG. 12, the fire receiver 14 includes a reception control unit 30, a notification receiving unit 32, a display unit 34, an operation unit 36 including a non-fire confirmation switch 35, an alarm unit 38, and a floor-by-level transfer unit 40. , A fire transfer unit 42, a ringing stop reception unit 44, a non-fire confirmation transfer unit 46, and a non-fire confirmation reception unit 48, which are the same as the embodiment of FIG.

  In addition to this, in the present embodiment, a recovery confirmation receiving unit 114 is newly provided for the reception control unit 30, and a non-fire broadcasting medium lamp 116 is newly provided on the display unit 34. The restoration confirmation receiving unit 114 is the same as that shown in FIG.

  The control of the reception control unit 30 of the fire receiver 14 is the same as that shown in FIG. 10 except that signal transmission / reception with the emergency broadcast device 20 is performed via the first transmission adapter 74 and the second transmission adapter 76. 1 It becomes the same as embodiment of invention.

  The first transmission adapter 74 includes a transmission control unit 80, a transmission unit 82, a floor reception unit 84, a fire confirmation reception unit 86, a ringing stop transmission unit 88, a non-fire confirmation reception unit 90, and a non-fire confirmation transmission unit 92. This point is the same as the embodiment of FIG. In addition, in the present embodiment, a recovery confirmation transfer unit 112 is newly provided for the transmission control unit 80. Further, the control of the transmission control unit 80 is the same as that of the embodiment of the first invention of FIG.

(Functional configuration on the emergency broadcast equipment side)
FIG. 13 is a block diagram showing a functional configuration according to the second invention of the second transmission adapter and the emergency broadcast apparatus of FIG.

  As shown in FIG. 13, the second transmission adapter 76 includes a transmission control unit 94, a transmission unit 96, a floor-by-level transmission unit 98, a fire confirmation transmission unit 100, a ringing stop reception unit 102, and a non-fire confirmation transmission unit 104. In addition, a non-fire confirmation receiving unit 106 is provided, which is the same as the embodiment of FIG. In addition, in the present embodiment, a recovery confirmation receiving unit 110 is newly provided. Further, the control of the transmission control unit 94 is the same as that of the embodiment of the first invention of FIG.

  The emergency broadcast device 20 includes a control unit 50, a floor reception unit 52, a fire confirmation reception unit 54, a microphone switch 56, a non-fire confirmation reception unit 58, a non-fire confirmation transfer unit 60, a display unit 62, and an operation unit 64. , A broadcast sound source unit 66, a microphone 68, a broadcast input selection unit 70, and a broadcast output selection unit 72, which are the same as the embodiment of FIG. In addition, in the present embodiment, a recovery confirmation transfer unit 108 is newly provided for the control unit 50. The restoration confirmation transfer unit 108 is the same as that shown in FIG.

  The control of the control unit 50 of the emergency broadcast device 20 is the same as that shown in FIG. 11 except that signal transmission / reception with the fire receiver 20 is performed via the second transmission adapter 76 and the first transmission adapter 74. The same as the embodiment of the invention.

(Advantages of the embodiment of FIGS. 12 and 13)
In this way, the first transmission adapter 74 and the emergency broadcast apparatus 20 and the second transmission adapter 76 are connected by a plurality of transmission lines, and a transmission path 78 is provided between the first transmission adapter 74 and the second transmission adapter 76. In addition to the same merit as the embodiment of FIG. 7 by the interlocking with the non-fire confirmation operation of the fire receiver or the non-fire broadcast operation of the emergency broadcast device when the non-fire is confirmed on-site by connecting with the fire receiver, 14 and the emergency broadcast device 20 perform the emergency broadcast control in conjunction with each other, so that a number of interlocking signals transmitted and received between the fire receiver 14 and the emergency broadcast device 20 are the number of signals corresponding to the number of signals. Regardless of the wiring, it is possible to transmit with one transmission path connecting the first transmission adapter and the second transmission adapter, for example, one cable of the heat resistance category 5E, and between the fire receiver and the emergency broadcast device. To reduce the wiring storage space, making it possible routing of the wiring is also easy.

[Outline of transmitted disaster prevention equipment]
(Outline of disaster prevention equipment)
FIG. 14 is an explanatory diagram showing an outline of a disaster prevention facility in which a fire alarm facility and an emergency broadcast facility are connected by a transmission line.

  As shown in FIG. 14, the fire alarm facility 10 includes a fire receiver 14, the emergency broadcast facility 12 includes an emergency broadcast device 20, and the fire receiver 14 and the emergency broadcast device 20 are connected by a transmission path 78. ing.

  The fire alarm system 10 includes a fire receiver 14, and the sensor lines L <b> 1 to Ln are drawn out from the fire receiver 14 for each warning area, and the sensor line L <b> 1 is shown between the common line C as a representative of the sensor line L <b> 1. A fire detector 16 is connected. Further, a transmitter 18 is connected between the sensor line L1 and the common line C as necessary, and a response signal line A and a telephone line T are further connected to the transmitter 18 from the fire receiver 14. Yes.

  The emergency broadcast facility 12 includes an emergency broadcast device 20 and is connected with, for example, a desktop microphone device 22, a sound source device 24, an emergency earthquake warning device 25, and the like as external devices. Further, for example, speaker lines SL1 to SLn are drawn out for each broadcast area such as a floor of a building from the emergency broadcast apparatus 12, and a plurality of speakers 28 are connected to each line.

  The fire receiver 14 and the emergency broadcast device 20 are each integrally provided with a transmission unit, so that the fire receiver 14 and the emergency broadcast device 20 are connected by a transmission path 78 using one LAN cable or the like, and transmission between the fire receiver 14 and the emergency broadcast device 20 is performed. Connection can be further simplified.

(Functional configuration of fire receiver and emergency broadcast equipment)
FIG. 15 is a block diagram showing a functional configuration of the fire alarm receiver and the emergency broadcast device of FIG.

  As shown in FIG. 15, the fire receiver 14 includes a reception control unit 30, a notification receiving unit 32, a display unit 34, an operation unit 36 including a non-fire confirmation switch 35, an alarm unit 38, and a transmission unit 120. Yes. The transmission unit 120 performs transmission control by a combination of Ethernet (registered trademark), which is a physical standard known as a LAN protocol, and a TCP / IP protocol (IP layer and TCP layer standard).

  The control of the reception control unit 30 of the fire receiver 14 is the same as the embodiment of the first invention of FIG. 2 or the configuration of FIG. 7 except that the transmission unit 120 is instructed to transmit and receive signals to and from the emergency broadcast device 20. 2 It becomes the same as the case of embodiment of invention. In the case of the embodiment of the second invention of FIG. 7, a non-fire broadcasting light is provided on the display unit 34.

  The emergency broadcast device 20 includes a control unit 50, a transmission unit 122, a display unit 62, an operation unit 64, a broadcast sound source unit 66, a microphone 68, a broadcast input selection unit 70, and a broadcast output selection unit 72.

  Similarly to the transmission unit 120, the transmission unit 122 performs transmission control by a combination of Ethernet (registered trademark), which is a physical standard known as a LAN protocol, and a TCP / IP protocol (IP layer and TCP layer standard). Do.

  The control of the control unit 50 of the emergency broadcast device 20 is the embodiment of the first invention of FIG. 2 or the second of FIG. 7 except that the transmission unit 120 is instructed to send and receive signals to and from the fire receiver 14. This is the same as in the embodiment of the invention.

(Advantages of the embodiment of FIG. 15)
As described above, the transmission units 120 and 122 are integrally provided in the fire receiver 14 and the emergency broadcast device 20, so that the non-fire confirmation operation of the fire receiver or the non-fire broadcast operation of the emergency broadcast device when the non-fire is confirmed on-site. In addition to the same merit as the embodiment of the first invention of FIG. 2 or the embodiment of the second invention of FIG. 7 due to mutual interlocking, the fire receiver 14 and the emergency broadcast are transmitted by the transmission path 78 using one LAN cable or the like. The connection with the device 20 can be further simplified.

[Third Embodiment]
As an embodiment corresponding to the third invention of the present application, the non-fire confirmation switch of the operation unit 36 provided in the fire receiver 14 in the embodiment corresponding to the first invention of FIGS. 2 to 6, 10 and 15. What is necessary is just to set it as the structure except having operated 35 and transmitting the non-fire confirmation signal to the emergency broadcast apparatus 20, and performing non-fire broadcast.

[Fourth Embodiment]
As an embodiment corresponding to the fourth invention of the present application, the embodiment corresponding to the second invention of FIGS. 7, 8, 12, 13, and 15 is a non-operation part 36 provided in the fire receiver 14. What is necessary is just to set it as the structure except having operated the fire confirmation switch 35 and transmitting the non-fire confirmation signal to the emergency broadcast apparatus 20, and performing a non-fire broadcast.

[Modification of the present invention]
(Transmission method)
In the embodiment using the above transmission path, a case where a LAN cable including an 8-core signal line is transmitted in parallel as a transmission path by a combination of Ethernet (registered trademark) and TCP / IP is taken as an example. A serial transmission may be performed using a LAN cable including two pairs of signal lines formed of a pair of downlinks as a transmission line. In addition, the transmission control makes it possible to apply an appropriate protocol as necessary.

(Wireless transmission)
In the embodiment using the above transmission line, wired transmission connected by a transmission line such as a LAN cable is used, but wireless transmission may also be used. As this wireless transmission, for example, a specific low-power radio of 400 MHz band, a specific low-power radio using 5 GHz band or 2.4 GHz band, a specific low-power radio using 920 MHz band, or a wireless network using Ethernet (registered trademark). A wireless LAN such as WiFi based on IEEE802.11 may be used.

(Fire receiver)
The above embodiment is an example of a P-type receiver that detects and alerts a fire on a line-by-line basis. However, an address is set for a fire detector or transmitter, and a sensor unit and a transmitter unit. The same applies to R-type receivers that detect and warn of fire.

(Other)
The present invention includes appropriate modifications without impairing the object and advantages thereof, and is not limited by the numerical values shown in the above embodiments.

10: Fire alarm facility 12: Emergency broadcast facility 14: Fire receiver 16: Fire detector 18: Transmitter 20: Emergency broadcast device 22: Desktop microphone device 24: Sound source device 26: Earthquake early warning device 28: Speaker 30: Reception Control unit 32: Notification receiving unit 35: Non-fire confirmation switch 40, 98: Floor-specific transmission unit 42, 100: Fire transmission unit 44: Ringing stop transmission unit 46, 60, 104, 106: Non-fire confirmation transfer Information section 48, 58, 90: Non-fire confirmation reception section 50, 72: Control section 52, 84: Floor reception section 54, 86: Fire confirmation reception section 56: Microphone switch 58, 90: Non-fire confirmation reception section 60, 92: Non-fire confirmation transfer unit 66: Broadcast sound source unit 68: Microphone 70: Broadcast input selection unit 72: Broadcast output selection unit 74: First transmission adapter 76: Second transmission adapter 78: Transmission path 108, 112: Recovery confirmation Transfer department 1 0,114: recovery confirmed receiving section 116: non-fire-air lights

Claims (8)

When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Sending to the emergency broadcast equipment installed in the emergency broadcast equipment to make the sensor alarm broadcast, and when the fire confirmation is detected after receiving the alarm signal, send the fire confirmation signal to the emergency broadcast equipment and fire Broadcast,
When a predetermined non-fire confirmation operation is performed with the fire receiver, a non-fire confirmation signal is transmitted to the emergency broadcast device, and a non-fire broadcast is performed.
On the other hand, when a non-fire broadcast is performed by operating a non-fire report broadcast switch of the emergency broadcast device, a non-fire confirmation signal is transmitted to the fire receiver to restore the fire receiver Disaster prevention equipment.
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Sending to the emergency broadcast equipment installed in the emergency broadcast equipment to make the sensor alarm broadcast, and when the fire confirmation is detected after receiving the alarm signal, send the fire confirmation signal to the emergency broadcast equipment and fire Broadcast,
When a predetermined non-fire confirmation operation is performed with the fire receiver, a non-fire confirmation signal is transmitted to the emergency broadcast device, and a non-fire broadcast is performed.
On the other hand, when a non-fire broadcast is performed by operating a non-fire broadcast switch of the emergency broadcast device, a fire alarm sound by the fire receiver is stopped by transmitting a non-fire confirmation signal to the fire receiver, A disaster prevention facility characterized in that, when a non-fire confirmation signal is transmitted and a recovery switch of the emergency broadcast apparatus is operated to recover, a recovery confirmation signal is transmitted to the fire receiver for recovery.
3. The disaster prevention facility according to claim 2, wherein when the fire receiver receives a non-fire confirmation signal from the emergency broadcast device and stops the fire alarm sound, the emergency broadcast device is in a non-fire broadcast. A disaster prevention facility characterized by lighting a non-fire broadcasting medium light.
In the disaster prevention equipment according to claim 1 or 2,
The fire receiver and the emergency broadcast device are connected by a plurality of transmission lines,
Sending the notification area identification signal, the fire confirmation signal, and the non-fire confirmation signal to the emergency broadcasting device from the fire receiver through corresponding transmission lines,
The non-fire confirmation signal or the non-fire confirmation signal and the restoration confirmation signal are transmitted from the emergency broadcasting device to the fire receiver through a corresponding transmission line.
A disaster prevention facility characterized by transmitting through a corresponding transmission line.
In the disaster prevention equipment according to claim 1 or 2,
The fire receiver and the first transmission adapter are connected by a plurality of transmission lines, the emergency broadcast apparatus and the second transmission adapter are connected by a plurality of transmission lines, and the first transmission adapter A connection between the second transmission adapter and the second transmission adapter;
The notification area identification signal, the fire confirmation signal, and the non-fire confirmation signal are transmitted from the fire receiver to the first transmission adapter through corresponding transmission lines, respectively, and the first transmission adapter receives the received transmission signal. A report area identification signal, the fire confirmation signal and the non-fire confirmation signal are converted into a transmission signal of a predetermined format and transmitted to the second transmission adapter, and the second transmission adapter identifies the received transmission signal as the reporting area identification. Signal, converted into the fire confirmation signal and the non-fire confirmation signal and transmitted to the emergency broadcast device,
The emergency broadcast apparatus transmits the non-fire confirmation signal or the non-fire confirmation signal and the recovery confirmation signal to the second transmission adapter via a corresponding transmission line, and the second transmission adapter receives the non-fire confirmation signal. Signal or the non-fire confirmation signal and the restoration confirmation signal are converted into a transmission signal of a predetermined format and transmitted to the first transmission adapter, and the first transmission adapter transmits the received transmission signal to the non-fire confirmation signal or the non-fire confirmation signal. A disaster prevention facility characterized in that it is converted into a fire confirmation signal and the restoration confirmation signal and transmitted to the fire receiver.
In the disaster prevention equipment according to claim 1 or 2,
A connection between the fire receiver and the emergency broadcast device is established,
The fire receiver converts the reporting area identification signal, the fire confirmation signal and the non-fire confirmation signal into a transmission signal of a predetermined format and transmits the transmission signal to the emergency broadcasting device through the transmission path,
The emergency broadcast apparatus converts the non-fire confirmation signal or the non-fire confirmation signal and the restoration confirmation signal into a transmission signal of a predetermined format and transmits the transmission signal to the fire receiver.
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Sending to the emergency broadcast equipment installed in the emergency broadcast equipment to make the sensor alarm broadcast, and when the fire confirmation is detected after receiving the alarm signal, send the fire confirmation signal to the emergency broadcast equipment and fire Broadcast,
When the non-fire broadcasting is performed by operating the non-fire information broadcast switch of the emergency broadcast device, the fire receiver is restored by transmitting a non-fire confirmation signal to the fire receiver. .
When a fire signal is received from a fire detector that is triggered by a fire receiver installed in a fire alarm facility and a fire alarm is output, a fire area identification signal indicating the fire fire area is output. Sending to the emergency broadcast equipment installed in the emergency broadcast equipment to make the sensor alarm broadcast, and when the fire confirmation is detected after receiving the alarm signal, send the fire confirmation signal to the emergency broadcast equipment and fire Broadcast,
When a non-fire broadcast is performed by operating a non-fire broadcast switch of the emergency broadcast device, a non-fire confirmation signal is transmitted to the fire receiver to stop a fire alarm sound by the fire receiver, and the non-fire A disaster prevention facility, wherein a recovery confirmation signal is transmitted to the fire receiver for recovery when the recovery switch of the emergency broadcast apparatus is operated and recovered after transmitting the confirmation signal.

Images