JP3322381B2 - Fire extinguishing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing system that extinguishes a fire in a room by discharging a fire extinguishing agent in the event of a fire, and more particularly to a gas fire extinguishing system that extinguishes a fire by discharging a fire extinguishing gas such as halon gas or carbon dioxide. .

[0002]

2. Description of the Related Art Conventionally, this type of fire extinguishing equipment includes an automatic starting mode in which a fire extinguishing agent is automatically released by a fire signal from a fire detector, and a person confirming a fire and manually operating a manual starting switch. A fire extinguishing agent that discharges a fire extinguishing agent and monitors the room by switching between two types of manual activation modes to extinguish the fire is known. FIG. 5 shows an example of such a gas fire extinguishing system (Japanese Patent Application No. 6-62432).
No., see).

In FIG. 5, reference numeral 1 denotes a control panel, which collectively controls gas fire extinguishing equipment. Reference numerals 2a and 2b denote manual activation devices, which are installed outside the rooms for each room in the monitored area, are provided with a manual activation switch as a manual activation means and a door for protecting the manual activation switch, and a person has detected a fire. Occasionally, by opening this door and operating the manual start switch, the control panel 1 is notified of the occurrence of a fire, and fire extinguishing gas as a fire extinguishing agent is released. Reference numerals 3a and 3b denote emission indicators, which indicate that fire extinguishing gas is being emitted into the monitored area, and indicate that they are not allowed to enter the room. Reference numerals 4a and 4b denote injection heads for discharging a fire extinguishing gas into a room. 5a, 5
Reference numeral b denotes a voice alarm speaker which warns that fire extinguishing gas is released and prompts persons existing in the guard area to immediately evacuate. Reference numeral 6 denotes a fire extinguishing agent storage container that stores a fire extinguishing gas. Reference numerals 7a and 7b denote activation devices, which release an open gas such as carbon dioxide to open the selection valves 8a and 8b and the fire extinguishing agent storage container 6 in response to a fire extinguishing gas release command from the control panel 1.

That is, the activation devices 7a and 7b have containers in which carbon dioxide gas is stored. When the solenoids in the activation devices 7a and 7b are activated by energization from the control panel 1,
The valves are opened, and the selection valves 8a, 8
b and the plug of the fire extinguishing agent storage container 6 is opened. The selection valve 8
The valves a and 8b are opened by the activation of the activation devices 7a and 7b,
Guide extinguishing gas to fire in room. 9a and 9b are sensors as fire detecting means for detecting a fire, and each monitoring area is monitored by two sensing lines. 10a, 1
Reference numeral 0b denotes a pressure switch, which detects that fire extinguishing gas has been released from the fire extinguishing agent storage container 6, sends a detection signal to the control panel 1, and blinks the emission indicator lights 3a, 3b corresponding to the monitoring area where the fire has occurred. Let it.

[0005] Reference numerals 11a and 11b denote piston releasers, and when the fire extinguishing gas is discharged into the room, the smoke exhaust port is closed by a damper so that the fire extinguishing gas does not leak out of the room. The piston releasers 11a and 11b automatically close the damper when the fire extinguishing gas flows, the damper of the piston releaser 11b is restored by the damper restoration valve 12, and the restoration of the piston releaser 11a is manually performed. .

[0006] The control panel 1 has indicator lights such as a manual start mode light and an automatic start mode light. Further, 13 is a control panel 1
An emergency power supply 14 for supplying emergency power to the fire extinguishing agent storage container 6 is a shutoff valve for manually shutting off the supply of fire extinguishing gas. Regardless of the manual start mode or the automatic start mode, when the start condition is satisfied, the control panel 1 warns that the fire extinguishing gas is released by the audio alarm speakers 5a and 5b, and discharges the fire extinguishing gas to the monitoring area. A control signal is output so as to activate the activation devices 7a and 7b corresponding to the monitoring area where the fire has occurred. When the solenoid is actuated in response to the control signal, the activation devices 7a, 7b release the open gas to open the valves of the selection valves 8a, 8b and the fire extinguishing agent storage device 6.

When the valve is opened by the gas pressure of the open gas,
The extinguishing gas in the extinguishing agent storage container 6 is supplied to the selection valves 8a, 8a,
Fire extinguishing gas is discharged from the injection heads 4a, 4b to the room where the fire has occurred through the injection head 8b, and at the same time, the piston releasers 11a, 11b are closed with the fire extinguishing gas to fill the room with the fire extinguishing gas. When the fire extinguishing agent turns on the pressure switches 10a and 10b, a signal flows to the control panel 1, and the control panel 1 blinks the emission indicator lights 3a and 3b.

In the manual start mode, when the sensor 9a or 9b issues an alarm, an alarm is output on the control panel 1 to urge the observer to confirm the site. The observer checks the site and, when it is determined that a fire has occurred, opens the doors of the manual start devices 2a and 2b corresponding to the fire site and operates the manual start switch to perform manual start. When the automatic start mode is set, the control panel 1 automatically starts the fire extinguishing when the two-line sensors 9a and 9b generate an alarm.

The switching between the automatic start mode and the manual start mode is performed as follows. That is,
If the control panel is provided with a collective changeover switch, the collective changeover switch of the control panel can be used to perform the collective changeover. In addition, when the control panel is provided with a collective changeover switch and the manual starter provided for each monitoring area is also provided with a self / manual start-up mode changeover switch, the control panel can perform collective changeover. Further, it is possible to switch between the automatic start mode and the manual start mode independently for each monitoring area by the manual start device.

[0010]

However, in such a conventional fire extinguishing system, when a collective changeover switch is provided on the control panel, the collective changeover switch of the control panel collectively sets the automatic start mode. Although the manual start mode can be switched, the automatic start mode or the manual start mode cannot be set according to the environment of each monitoring area.

For example, in places where no people enter or leave, or where a surveillance camera is installed in the surveillance area and where surveillance by the surveillance camera is possible, it is desired to set an automatic start mode. In this case, since only the switching between the automatic start mode and the manual start mode for all the monitoring areas can be performed at the same time, the setting of the automatic start mode and the manual start mode cannot be performed at the request of each monitoring area.

In addition, a batch changeover switch is provided on the control panel, and a manual starter provided for each monitoring area is also provided with a self-switch.
When the manual start mode switch is provided, the manual start device can switch between the automatic start mode and the manual start mode for each monitoring area. However, there is a trouble that the user has to go to the place where the manual activation device is installed.

Further, in order to confirm which start mode is currently set for each monitored area, it is necessary to go to the manual starting device of each monitored area. The present invention has been made in view of such a conventional problem, and the switching between the automatic start mode and the manual start mode can be set according to the environment of each monitoring area. It is an object of the present invention to provide a fire extinguishing system that can easily perform setting of switching of a start mode and confirmation of a currently set start mode without going to a manual start device installed every time.

[0014]

In order to achieve this object, the present invention is configured as follows. First, the present invention
When a fire extinguisher is released and a fire is extinguished, the fire extinguishing agent is automatically operated by operating the manual starting unit to release the fire extinguishing agent and extinguish the fire, and automatically by the fire detector that detects the fire. Or a fire extinguishing system having a control panel for extinguishing a fire by switching to an automatic starting mode in which the fire can be extinguished by operating the manual starting unit.

The present invention relates to such a fire extinguishing system,
A control panel, a setting unit that sets an automatic start mode or manual start mode, the display unit indicating the setting status of the automatic startup mode and manual start mode provided for each monitoring zone, control board
The manual starter connected to the
Setting unit for setting the operation mode or the manual start mode
And the setting status of automatic start mode and manual start mode.
A second display unit is provided . In the present invention, the control board, only setting a recovery unit to recover the firefighting equipment to the initial state, when operating the recovery section is set to manual startup mode in all surveillance zone.

Further, in the present invention, when the automatic start mode is set by the setting unit in the control panel, the self-holding is performed.
A first relay turning on the monitor autostart mode lamp and,
A second relay is provided for releasing the operation of the first relay and for turning on the manual start mode lamp when the setting unit switches to the manual start mode .

[0017]

According to the fire extinguishing system of the present invention having such a configuration, an automatic start mode or a manual start mode is set for each monitored area by a command from the control panel, and the automatic start mode and the manual start mode are set. Is displayed, an automatic start mode or a manual start mode can be set according to the environment of each monitoring area.

In order to switch the automatic start mode,
It is not necessary to go to the place where the manual starting device is installed, and it is possible to easily confirm which starting mode is currently in each monitoring area without going to the manual starting device. In addition, when the recovery unit that restores the fire extinguishing equipment to the initial state is operated, the manual start mode is set in all the monitoring areas, so that it is not necessary to operate the setting unit again to switch to the manual start mode at the time of recovery. .

Further, the control panel has a first relay for holding the self-start mode lamp when the automatic start mode is set by the setting section and for turning on the automatic start mode lamp, and a first relay for switching to the manual start mode by the setting section. Since the second relay for releasing the operation of the relay and turning on the manual start mode lamp is provided, the self-start mode can be easily switched from the control panel for every monitoring area, and which start mode is currently selected. Can be easily checked.

Further, the manual start device connected to the control panel is provided with a second setting unit and a second display unit for setting an automatic start mode or a manual start mode in conjunction with the setting unit. The device side can also set the self-start mode in conjunction with the control panel.

[0021]

FIG. 1 is a block diagram showing an embodiment of the present invention. In FIG. 1, reference numeral 21 denotes a control panel for controlling gas fire extinguishing equipment. The control panel 21 includes fire detectors 22a and 22b as fire detectors, a manual starter 23, a starter 24, a discharge indicator 25, The pressure switch 26 and the speaker 27 are connected respectively. The control panel 21 has a plurality of sections 28 for performing control corresponding to each monitoring area. In the section 28, a section control section 29, a sensor receiving circuit 3
0, a storage circuit 31, a monitoring circuit 32, a section display section 33, and an audio output section 34 are provided.

In areas other than these sections 28, a main control section 35 for controlling a section control section 29 provided for each section,
A main display section 36, a main operation section 37, a buzzer 38, an audio unit 39, and a power supply section 40 are provided. As will be described later, the main operation section 37 is provided with a self / manual activation mode changeover switch as a setting section for each section. Further, the main operation unit 37 is provided with a batch self / hand start mode changeover switch capable of switching the self start mode for all the sections collectively. The main operation unit 37 is provided with a recovery switch as a recovery unit for recovering the fire extinguishing equipment and simultaneously switching to the manual activation mode.

As will be described later, the main display section 36 is provided with an automatic start mode light for each section 28, a manual start mode light for each section 28, a representative start light, a discharge indicator light, and the like. The automatic start mode light for the section 28 and the manual start mode light for the section 28 are turned on for each section by operating the self / manual start mode switch. The start indicator lights up when the start condition is satisfied, and the discharge indicator lights up when the pressure switch is turned on. In addition, the automatic start mode light and the manual start mode light for each section described above are not provided, and a liquid crystal display section is provided to display the self-start mode set for each section 28, and to set each fire extinguishing equipment. A message notifying the situation may be displayed.

The buzzer 38 warns of the occurrence of a fire or an abnormality according to an instruction from the main controller 35. The voice unit 39 synthesizes and outputs a voice message indicating that fire extinguishing gas is released in the monitored area. The power supply unit 40 supplies power to each unit. The main control unit 35 includes a timer 35a. When the activation condition is satisfied, that is, in the automatic activation mode, both the fire detectors 22a and 22b emit an alarm or the door in the manual activation device 23 is opened. When the manual opening switch 23a is operated as a manual starting unit, the door opening detecting unit 23b of the manual starting device 23 is operated in the manual starting mode.
Is turned on and the manual start switch 23a is operated,
The activation representative lamp of the main display unit 36 is turned on, and the timer 35a counts for the emission delay time. When the counting is completed and the time is up, the emission signal is transmitted to the section control unit 29 of the section 28 in which the activation condition is satisfied. I do. By sending the emission signal, the main control unit 35 turns on the emission indicator lamp of the main display unit 36.

In the manual starting device 23, in addition to the manual starting switch 23a, a door open detecting section 23b, an operating section 23c and a display section 23d are provided. The door opening detection unit 23b detects that the door of the manual activation device 23 has been opened to operate the manual activation switch 23a. The operation unit 23c is provided with an emergency stop switch.
A self / manual start switch is provided so that the automatic start mode and the manual start mode can be switched from 3 as well. The display unit 23d is provided with a fire indicator lamp for displaying the occurrence of a fire, an abnormality indicator lamp for displaying the occurrence of an abnormality, a power lamp, and the like.

When a fire signal from the fire detector 22b is received, the storage circuit 31 provided in the section 28 performs storage for a predetermined period of time and, when a fire signal is received again from the fire detector 22b, a sensor receiving circuit. 30. The alarm signal from the fire detector 22b and the alarm signal from the fire sensor 22a via the storage circuit 31 are input to the sensor receiving circuit 30, respectively.
Each alarm signal from the line fire detectors 22a and 22b is output to the section control unit 29.

The monitoring circuit 32 has a start signal line 41 connecting the manual start switch 23a of the manual start device 23 and the control panel 21.
Is monitored, and an abnormality (ground fault, short circuit, disconnection) of the start signal line 41 is detected. When the manual start switch 23a of the manual start device 23 is operated, a manual start signal is output to the monitoring circuit 32.
The monitoring circuit 32 monitors the manual activation signal.

The section display section 33 is provided with a fire indicator light, an abnormality indicator light, and the like. The section display section 33 turns on the fire indicator light when a fire occurs, and turns on the abnormality indicator light when an abnormality is detected. Turn on. When the fire extinguishing gas is released to the monitoring area by the speaker 27, the section control unit 29 outputs an output signal to the audio output unit 34, and the audio output unit 34 controls the audio unit 39 and the speaker 27. Connect and output a voice message.

A solenoid is provided in the activation device 24. When a relay contact (not shown) provided in the section control section 29 is closed, power is supplied from the section control section 29 to the solenoid, and the solenoid operates. . When the solenoid operates, the release gas is released, and the release gas releases the fire extinguishing gas. When the fire extinguishing gas is released, the pressure switch 26 is turned on, and an ON signal is output to the section control unit 29. The section control unit 29 turns on the emission indicator 25 in response to the input of the ON signal.

FIG. 2 is a front view of the control panel. FIG.
In the figure, reference numeral 50 denotes a fire indicator light, which is provided for each section 28. The fire indicator light 50 is used for the fire detectors 22a and 22a.
Flashes when 2b issues only one line, and lights when both lines issue. That is, the fire detectors 22a, 22
When the signal b is issued even for one line, an alarm signal is output from the sensor receiving circuit 30 to the division control unit 29, and the division control unit 29 outputs an alarm signal to the main control unit 35 and the fire indicator lamp 5
Flashes or lights 0 according to the number of lines that the fire detector has issued.

Reference numeral 51 denotes an abnormality indicator lamp, which is provided for each section 28 and which has an abnormality in the start signal line 41 (ground fault, short circuit, disconnection).
Lights when an error occurs. That is, when the monitoring circuit 32 detects an abnormality in the activation signal line 41, it outputs an abnormality signal to the section control section 29, and the section control section 29 outputs an abnormality signal to the main control section 35 and turns on the abnormality indicator lamp. .

Reference numeral 52 denotes a starting representative light.
Indicates that the start condition in each start mode is satisfied by lighting up. Reference numeral 53 denotes a release indicator light,
Reference numeral 3 indicates that the fire extinguishing gas has been released by lighting. That is, when the timer 35a finishes counting, the main control unit 35 outputs a release signal to the partition control unit 29. The partition control unit 29 receives the release signal, supplies power to the activation device 24, and supplies the power to the activation device 24. Activate the solenoid inside. When the solenoid operates, the release gas is released, and the release gas causes the extinguishing gas to be released. When the pressure switch 26 is turned on by the release of the fire extinguishing gas, an ON signal is input to the main control unit 35 via the section control unit 29, and the main control unit 35 receives the ON signal and turns on the emission indicator lamp 53.

Reference numeral 55 denotes a self / hand start mode changeover switch, which is provided for each section. The self / manual start mode changeover switch 55 switches between the automatic start mode and the manual start mode for each section 28 (each circuit). The self / hand start mode switch 55 is composed of a non-lock type key switch.
Normally, it is in the “localization” position. For example, turning to the left sets the automatic activation mode, turning to the right sets the manual activation mode, and releasing the hand returns to the “localization”.

A pair of an automatic start mode indicator light 56 and a manual start mode light 57 are provided for each self / manual start mode changeover switch 55.
Are provided respectively. The automatic start mode light 56
The light is turned on when the automatic start mode is set by the self / hand start mode changeover switch 55, and the manual start mode lamp 57 is turned on when the manual start mode is set by the self / hand start mode changeover switch 55.

Reference numeral 58 denotes a batch self / manual start mode changeover switch.
8 are simultaneously switched to the automatic start mode or the manual start mode. The collective self / manual start mode changeover switch 58 is also a non-locking type key switch like the self-manual start mode changeover switch 55, and is usually in the “localized” position. Is set,
Turn it to the left to set it to manual start mode at once, and release it to return to “localization”. When the automatic start mode is set by the collective self / manual start mode switch 58, the automatic start mode lights 56 of all the sections 28 are turned on, and when the manual start mode is set, the manual start mode lights 57 of all the sections 28 are turned on.

Reference numeral 61 denotes a recovery switch. When the recovery switch 61 is operated, the fire extinguishing equipment is recovered and all the sections 28 are set to the manual start mode. That is, when a fire occurs and after the fire is extinguished, all partitions are set to the manual activation mode when the recovery switch 61 is operated from the idea of setting all the partitions to the manual mode in order to avoid any secondary disaster.

FIG. 3 is a front view of the manual starting device 23. In FIG. 3, reference numeral 23 denotes a manual activation device. The manual activation device 23 includes a power light 62, a fire indicator light 63, an abnormality indicator light 64, an automatic start mode light 65, a manual start mode light 66, a self / manual start mode. A changeover switch 67 and an emergency stop switch 68 are provided.

The power lamp 62 lights to indicate that power is being supplied. The fire indicator light 63 is the fire detector 22
Blinks when one of the lines a and 22b is alerted, and lights when both lines are alerted. The abnormality indicator light 64 is the start signal line 41
Is turned on when the monitoring circuit 32 detects an abnormality (ground fault, short circuit, disconnection).

The self / manual start mode changeover switch 67 sets the automatic start mode or the manual start mode in conjunction with the self / manual start mode changeover switch 55 of the control panel 21.
The self / hand start mode changeover switch 67 is a non-lock type key switch like the self / hand start mode changeover switch 55 of the control panel 21. The automatic start mode light 65 is
Turn on the hand start mode changeover switch 67 to the left,
The manual start mode lamp 66 is turned on when the self / manual start mode switch 67 is turned to the right.

When the emergency stop switch 68 is operated, the activation of the activation device 24 is stopped, and the original state is restored. Door 6
When the user opens the manual start switch 23a, the manual start switch 23a is housed therein. When the manual start switch 23a is operated, a manual start signal is output to the main control unit 35 via the monitoring circuit 27 and the partition control unit 25. When the door 69 is opened, the door opening detecting section 23b detects this and sends a door opening signal to the section control section 29.

Next, FIG. 4 shows a lighting circuit of the self-start mode lamp. In FIG. 4, reference numeral 55 denotes the main operation unit 3 of the control panel 21.
7 is a self / hand start mode changeover switch provided for each section 28, and the self / hand start mode changeover switch 55 is normally in the “localized” position. When the self / hand start mode changeover switch 55 is turned to the right and connected to the b side, the mode is switched to the manual start mode, and the self / hand start mode changeover switch 5
When the dial 5 is turned to the left and connected to the c side, the mode is switched to the automatic start mode.

When the self / hand start mode changeover switch 55 is turned to the left and connected to the c side, the power is supplied from the plus terminal 70 to the recovery switch 61, the relay contact 71a, the first relay 72, the self / hand start mode changeover switch. The current flows to the minus terminal 73 via 55, and the first relay 72 operates. First
Is activated, the relay contact 72a is closed,
When the relay contact 72b is 2 from the 1 side (manual start mode lamp side)
Side (automatic start mode lamp side) and the relay contact 72c is switched from 1 side (manual start mode lamp side) to 2 side (automatic start mode lamp side).

The relay contact 72a is a contact for self-holding. When the relay contact 72a is closed, the first relay 72 keeps operating even if the self / manual start mode changeover switch 55 returns to the position "a". The relay contact 72b is set to 1 in the manual start mode.
When the manual start mode lamp 57 is turned on and the relay contact 72b is switched to the second side, the automatic start mode lamp 56 is turned on. In the manual start mode, the relay contact 72c is connected to the first side, the manual start mode lamp 66 in the manual starter 23 is turned on, and when the relay contact 72c is switched to the second side, the automatic start mode lamp in the manual starter 23 is turned on. 65 lights up.

Reference numeral 71 denotes a second relay. When the self / hand start mode changeover switch 55 is turned to the right and connected to the b side, a current is supplied to the plus terminal 70, the second relay 71, and the self / hand start mode changeover switch. The current flows to the minus terminal 73 via 55, and the second relay 71 operates. Second relay 7
When 1 is activated, the relay contact 71a opens. When the relay contact 71a is opened, the first relay 72 is deactivated, the relay contact 72a is opened, the relay contact 72b is switched to one side, the manual start mode lamp 57 is turned on, and the relay contact 72c is moved to one side. The mode is switched, and the manual start mode lamp 66 in the manual start device 23 is turned on.

The manual start device 23 is provided with a self / hand start mode switch 67 which is a non-lock type key switch similar to the self / hand start mode switch 55 provided in the control panel 21. The self / manual start mode changeover switch 67 is normally in the “localized” position a. When the switch is turned to the left, it is connected to the c side, the automatic start mode is set. When it is turned to the right, it is connected to the b side. Set to startup mode.

When the self / manual start mode changeover switch 67 is connected to the side c, the current is supplied to the plus terminal 70 and the recovery switch 6
1. The current flows to the minus terminal 73 via the relay contact 71a, the first relay 72, and the self / hand start mode changeover switch 67, and the first relay 72 operates. When the self / hand start mode changeover switch 67 is connected to the b side, the current flows to the minus terminal 73 via the plus terminal 70, the second relay 71, the self / hand start mode changeover switch 67, and the second relay 7
1 is activated. By operating the recovery switch 61,
The power supply to the first relay 72 is cut off,
Is switched to the manual start mode.

Next, the operation of FIG. 4 will be described. FIG. 4 shows a state where the manual start mode is set. When switching from the manual start mode to the automatic start mode, the self / hand start mode changeover switch 55 provided for each section 28 is turned to the c side. Then, the first relay 72 operates, the relay contact 72a closes, the first relay 72 holds the operation, and at the same time, the relay contact 72b is switched to the second side, and the automatic start mode lamp 56 lights up, Further, the relay contact 72c is switched to the second side, and the manual activation device 23
The automatic start mode lamp 65 is turned on.

When switching from the automatic start mode to the manual start mode, the self / manual start mode switch 55
Turn to the b side. Then, the first relay 72 is deactivated, the relay contact 72a is opened, the relay contact 72b is switched to the 1 side, the manual start mode lamp 57 is turned on, and the relay contact 72c is switched to the 1 side. , The manual start mode lamp 66 in the manual start device 23 is turned on.

When the automatic start mode and the manual start mode are switched by using the self / manual start mode switch 67 in the manual start device 23, the automatic start mode and the manual start mode can be switched in conjunction with the control panel 21. Set the self / hand start mode switch 67 to c
Side, the first relay 72 operates, the relay contact 72a is closed, the relay contact 72b is switched to the second side, and the automatic start mode lamp 56 of the control panel 21 is turned on.
The relay contact 72c is switched to the second side, and the automatic activation mode lamp 65 in the manual activation device 23 is turned on.

When switching from the automatic start mode to the manual start mode, the self / manual start mode switch 67
Is switched to the b side. As a result, the second relay 71 is operated and the first relay 72 is disabled, so that the relay contact 72a is opened, the relay contact 72b is switched to 1 side, and the manual start mode lamp 57 in the control panel 21 is turned on. Lights, the relay contact 72c is switched to the 1 side, and the manual start mode lamp 66 in the manual start device 23 is turned on.

As described above, the control panel 21 is provided with the self / manual start mode switching switch 55 for each section 28 so as to switch between the automatic start mode and the manual start mode.
The self-start mode can be set in accordance with the environment of each section 28. For example, where no people enter or leave,
Alternatively, where the surveillance camera can monitor, the automatic start mode can be set.

Further, it is not necessary to go to the place where the manual starting device 23 is installed for setting the self-starting mode. Further, it is possible to confirm which start mode is currently set in each section 28 by looking at the automatic start mode light 56 and the manual start mode light 57 for each section 28 without going to each manual start device 23. . Also,
By operating the recovery switch 61, the manual start mode is set in all the sections 28.

The control panel 21 is provided with a collective self / manual start mode changeover switch 58, so that all the sections 28 can be collectively switched to an automatic start mode or a manual start mode.

[0054]

As described above, according to the present invention, the setting unit for setting the automatic start mode or the manual start mode for each monitoring area and the display unit for displaying the automatic start mode or the manual start mode are provided. Since the control panel is provided, the automatic start mode or the manual start mode can be set according to the environment of each monitoring area. Further, it is not necessary to go to the place where the manual starting device is installed for switching the self-starting mode. Further, it is possible to easily confirm which starting mode is currently set in each monitoring area by looking at the display unit without going to each manual starting device.

Further, when the recovery unit is operated, all the monitored areas are set to the manual start mode, so that it is not necessary to operate the setting unit to switch to the manual start mode at the time of recovery.

[Brief description of the drawings]

FIG. 1 is a block diagram of a fire extinguishing system according to one embodiment of the present invention.

FIG. 2 is a front view of a control panel.

FIG. 3 is a front view of the manual starting device.

FIG. 4 is a diagram showing a lighting circuit of a self-start mode lamp.

FIG. 5 shows a conventional example.

[Explanation of symbols]

 21: Control panel 22a, 22b: Fire detector (fire detector) 23: Manual activation device 23a: Manual activation switch (manual activation unit) 23b: Door open detection unit 23c: Operation unit 23d: Display unit 24: Activation device 25 : Emission indicator light 26: pressure switch 27: speaker 28: section 29: section control section 30: sensor receiving circuit 31: storage circuit 32: monitoring circuit 33: section display section 34: audio output section 35: main control section 35a: timer 36: Main display unit 37: Main operation unit 38: Buzzer 39: Audio unit 40: Power supply unit 41: Start signal line 50: Fire indicator light 51: Abnormal indicator light 52: Start representative light 53: Emission indicator light 55, 67: Self / hand start mode switch (setting unit) 56: Automatic start mode lamp (display unit) 57: Manual start mode lamp (display unit) 58: Batch self / hand start mode off Switch 65: Automatic startup mode lamp 66: the manual start mode lamp 61: Recovery Switch (recovery section) 62: Power lamp 63: the fire indicator lamp 64: fault indicator lamp 68: emergency stop switch 69: Door

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 1-140970 (JP, U) Japanese Utility Model 1-24494 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) A62C 37/36 A62C 35/11 G08B 17/00-17/12

Claims (3)

(57) [Claims] 1. A manual starting mode in which a fire extinguishing agent is released by operating a manual starting unit to extinguish a fire, and a fire extinguishing start is automatically performed by issuing a fire detector for detecting a fire, or the manual starting unit is used. In a fire extinguishing system having a control panel for extinguishing a fire by switching between an automatic start mode that can also extinguish a fire by operating the control panel, the control panel has an automatic start mode or a manual start mode for each monitored area. A setting unit for setting, and a display unit indicating the setting status of the automatic start mode and the manual start mode are provided, and the manual start device connected to the control panel has the setting unit
Set the automatic start mode or manual start mode in conjunction with
Setting unit and automatic start mode and manual start mode
A fire extinguisher characterized by providing a second display unit for indicating the setting status of (1) . 2. The fire extinguishing system according to claim 1, wherein the control panel is provided with a restoring unit for restoring the extinguishing system to an initial state, and when the restoring unit is operated, a manual start mode is set in all monitored areas. Fire extinguishing equipment characterized by the following. 3. The fire extinguisher according to claim 1, wherein the control panel has a first relay for holding the self-starting mode when the automatic setting mode is set by the setting section and for turning on an automatic starting mode lamp; A fire extinguishing system comprising: a second relay that releases the operation of the first relay and switches on a manual start mode lamp when the mode is switched to a manual start mode by a unit.