JP2002251679A - Disaster preventing monitoring panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide quick and proper grasping of a fire situation by giving an image of fire occurrence information the highest priority in image plane switching. SOLUTION: The disaster preventing monitoring panel monitors a fire by a fire sensor installed in an area under surveillance, and it displays a fire image 60 and other display images 61, 62, and 63 in the same liquid crystal display part by switching them. The display images of the liquid crystal display part are switched on the basis of an image change-over switch operation, and switching to the other display images 61, 62, and 63 are prohibited during display of the fire image 60.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disaster prevention monitoring panel for switching and displaying a fire display screen, a failure display screen, and the like using a liquid crystal display unit.

[0002]

2. Description of the Related Art Conventionally, a fire alarm monitoring panel of a fire alarm system for monitoring a fire in each dwelling unit and a common area of an apartment house has a small liquid crystal display capable of displaying several lines of characters on the disaster alarm monitoring panel. For example, a 7-segment display capable of displaying about 6-digit numerical values is provided, and the address numbers of the area where the fire first occurred and the area where the fire occurred second are displayed on the 7-segment display, and the fire is simultaneously displayed on the LCD The name of the outbreak area is displayed.

[0003] In addition, not only a fire alarm screen, but also various alarm displays, information displays and setting display screens, such as a failure alarm screen for a system failure, can be arbitrarily switched and displayed on the liquid crystal display.

[0004]

However, in the display of fire information on such a conventional disaster prevention monitoring panel, even after a fire has occurred, the fire screen of the liquid crystal display is operated by operating a changeover switch provided on the panel. , You can switch to a screen that displays other information.If you accidentally or intentionally switch the screen when a fire occurs, you must perform a screen switching operation to check the fire screen again. In the event of an emergency, it will hinder the confirmation and recognition of the fire area. In addition, since the 7-segment display only displays the fire occurrence address, there is a problem that the fire occurrence area cannot be immediately recognized.

[0005] Further, with the recent reduction in the price of liquid crystal displays, relatively large liquid crystal displays having more than 10 rows can be obtained at the same price as the conventional ones. Some devices are designed to be displayed on a liquid crystal display.

As described above, when the seven-segment display is abolished and all information is displayed on the liquid crystal display, if the screen is switched to another information screen during the display of the fire alarm, the fire information becomes completely invisible. As a result, in the event of an emergency, there is a great problem in confirming and recognizing the fire occurrence area.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a disaster prevention monitoring panel which can quickly and appropriately grasp a fire situation by giving priority to a fire screen with respect to screen switching.

[0008]

In order to achieve this object, the present invention is configured as follows. The present invention monitors a fire with a fire detector installed in a monitoring area, and switches and displays a fire screen that displays the name of a fire occurrence area and the like on the same screen display unit and a display screen that displays other information. A switching control unit that switches a display screen of a screen display unit based on a predetermined switch operation, and prohibits switching to another screen during display of a fire screen when a fire occurs. It is characterized by the following.

For this reason, when a fire occurs, even if a fault screen such as a line fault or a board fault exists, the fire screen is displayed on a screen display unit such as a liquid crystal display unit with the highest priority, and even if a screen switching operation is performed. The screen is not switched to another display screen, and it is possible to prevent the grasp of the fire situation from being hindered by the screen switching.

When the maintenance mode is set by operating a predetermined switch installed in the panel, the switching control unit releases the switching prohibition unit from prohibiting switching from the fire screen to another display screen when a fire occurs. To enable switching.
This maintenance mode is set at the time of construction and inspection, etc. In this case, it is necessary to proactively display the fire screen and the failure screen on a trial basis. Is released, and the screen can be freely switched to a required screen by a switch operation.

The switching control unit releases the switching from the fire screen at the time of the fire to another display screen when a predetermined time has elapsed since the setting of the maintenance mode by operating the predetermined switch is started. Prohibition is possible. This prevents the original function of displaying the fire screen with the highest priority due to forgetting to return the switch from being damaged.

In another embodiment of the present invention, a fire is monitored by a fire detector installed in a monitoring area, and a fire screen for displaying a fire occurrence area name and the like on the same screen display unit and other fire screens. In a disaster prevention monitoring panel for switching and displaying a screen displaying an information method, a display screen of a display unit is switched based on an operation of a predetermined first switch, and a predetermined second switch is displayed while a display screen other than a fire screen is displayed. A switching control unit for switching to a fire screen and displaying the fire screen when is operated.

For this reason, even if the display screen is switched to another display screen when a fire occurs, the fire screen is displayed while the fire screen confirmation switch provided as the second switch is pressed, for example. You can immediately return to the fire screen and grasp the fire status.

Further, the fire prevention monitoring panel of the present invention monitors a fire with a fire detector installed in a dwelling unit by connecting a fire detector for a dwelling unit installed in each dwelling unit and a fire detector installed in a common area. The main target is a disaster prevention monitoring panel for apartment buildings that monitors fires in areas including dwelling units and common areas.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an explanatory view of a disaster prevention monitoring panel according to the present invention. In FIG. 1, a disaster prevention monitoring panel 1 is installed in a manager's room or the like of an apartment house, and has a fire monitoring section 2 having a fire alarm representative light and a display operation section related to a fire monitoring function in front of the panel, An intercom master unit 3 is provided, which is capable of talking with a collective entrance unit and intercom facilities of each dwelling unit. The fire monitoring unit 2 is provided with a liquid crystal display unit 4.

FIG. 2 is an enlarged view of the fire monitoring unit 2 in the disaster prevention monitoring panel 1 of FIG. The liquid crystal display unit 4 provided in the fire monitoring unit 2 displays, for example, one full-width character and 20 characters per line.
It has a size that can be displayed in three lines. By using the liquid crystal display unit 4 having a sufficient size in this way, a plurality of fire reception states such as the first report, the second report, and the third report at the time of a fire can be displayed. It is also possible to display a message such as a display of a district name or a measure against a fire occurrence.

On the right side of the liquid crystal display section 4, a screen changeover switch 5 is provided. When the screen changeover switch 5 is pressed while an arbitrary screen is displayed on the liquid crystal display unit 4, the screens are switched and displayed in the order of a predetermined screen type.

In this embodiment, a warning indicator light 54 and a dwelling unit warning indicator light 5 shown above the screen changeover switch 5 are provided.
5. Fire screen, dwelling unit alarm screen, board failure screen,
A line fault screen can be displayed.

The fire screen is a screen for displaying a place where the fire has occurred when a fire signal is received and a fire is determined. The dwelling unit alarm screen is used when an alarm such as a gas leak is received from a dwelling unit fire receiver. 7 is an alarm display screen. The board fault screen is a fault alert screen when a fault occurs in a circuit or the like in the disaster prevention monitoring board 1, and the line fault screen is a fault display screen that displays a fault such as a transmission fault in the entire system. Further, the display lamps 54 to 57 are lit according to the screen type currently displayed on the liquid crystal display unit 4 so that the type can be identified.

These four display lamps are turned on when the screen corresponding to the liquid crystal display section 4 is displayed, and when the screen information is not displayed on the liquid crystal display section 4 but screen information is present, the so-called back screen exists. Will start blinking to indicate

A shift switch 6 is provided on the right side of the screen changeover switch 5, and an overflow lamp 6a is provided on the left side thereof. The overflow light 6a is, for example, in a state in which a fire screen is displayed on the liquid crystal display unit 4 and there are a plurality of fire alarms and the number of alarm displays exceeds the number of alarm displays that can be displayed in one screen, and the fire alarm display overflows from the screen. Lights to indicate that the screen cannot be displayed.

For this reason, when the overflow lamp 6a is lit, pressing the shift switch 6 allows the alarm information and the like to be shifted and displayed on the screen of the liquid crystal display unit 4. The overflow lamp 6a is turned on as needed in accordance with the screen display being switched and displayed.

Further, a switch caution light 7 is provided in an indicator light on the lower side of the screen changeover switch 5, and this switch caution light 7 is provided inside the disaster prevention monitoring panel 1 which will be described later. Flashes when the maintenance mode is set by operating the maintenance switch. In addition, it blinks to call attention when a setting not to perform normal monitoring such as a sound stop is made.

The blinking cycle of the switch caution light 7 in this maintenance mode is longer than the blinking cycle when, for example, a switch provided for temporarily stopping the area sound or a switch provided for stopping the sound is pressed. The setting of the maintenance mode is distinguished from other switch operations by blinking at a fast cycle.

In the disaster prevention monitoring panel 1 of the present invention, when a fire screen is displayed on the liquid crystal display unit 4 when a fire occurs, even if the screen changeover switch 5 is operated, the screen is not switched to another back screen. The fire screen is displayed with the highest priority.

The function of displaying the fire screen with the highest priority and prohibiting switching to another back screen is performed by operating the maintenance mode switch 8 provided inside the disaster prevention monitoring panel 1 shown in FIG. It can be canceled by setting the mode. A maintenance mode light 9 is provided corresponding to the maintenance mode switch 8 provided inside the disaster prevention monitoring panel 1. When the maintenance mode is set by operating the maintenance mode switch 8, the maintenance mode light 9 blinks. I do.

When the maintenance mode is set by the maintenance mode switch 8, even if the fire screen is displayed on the liquid crystal display unit 4, the screen changeover switch 5
Can be switched to a back screen such as another fault display screen.

FIG. 4 is a block diagram showing an embodiment of a fire alarm system according to the present invention. In FIG. 4, the disaster prevention monitoring panel 1
, A transmission line 28 and a communication line 29 are drawn out to each dwelling unit side, and a dwelling unit fire detector 10 is connected to each of the dwelling units to the transmission line 28 and the communication line 29.

The fire detector 10 for dwelling units is a control unit 11 for dwelling units.
The control unit 11 for dwelling units includes a control unit 12, a transmission circuit 13 for exchanging transmission of fire information and communication control information with the disaster prevention monitoring panel 1, a communication circuit 14 for exchanging voice such as an interphone, It comprises a voice synthesizing unit 15 that outputs voice such as a fire alarm.

For the control unit 11 for the dwelling unit, a fire indicator light 21, a handset 22 having an interphone function for making a telephone call with the collective entrance unit 38, the disaster prevention monitor 1, etc., a relay 24 activated by the transistor 23, a voice synthesis A power amplifier 25 for amplifying the audio signal from the unit 15 and a speaker 26 for dwelling units are provided.

A fire detector 20 for a dwelling unit for monitoring a fire in the dwelling unit is connected to the detector line 18, and a terminating resistor is connected to a terminating end. Part or all of the configuration of the control unit 11 for dwelling units can be realized by a control function of an MPU (microprocessor unit).

Further, a door phone 27 installed at the entrance of a dwelling unit or the like is connected to the fire detector 10 for dwelling units. The doorphone 27 is provided with an outdoor indicator 27a for displaying a fire alarm at the time of a fire.

Here, disaster prevention monitor 1 and fire receiver 1 for dwelling unit
For transmission by the transmission line 28 between 0 and 0, a unique address is set on the dwelling unit fire receiver 10 side, and a signal is transmitted by calling the dwelling unit fire receiver 10 by designating the address from the disaster prevention monitoring panel 1. A so-called R-type transmission system is adopted.
The address setting for the dwelling unit fire receiver 10 is performed by an address setting unit 16 including a dip switch and the like.

The relay 2 serving as a load of the transistor 23 which is turned on and off by the control output of the control unit 11 for dwelling units.
4 and the switching relay contacts 24a and 24b constitute a switching circuit for the communication line 29. The switching relay contact 24a of the relay 24 connects the communication line 29 to the communication circuit 14 in the normal monitoring state, and the handset 2 provided on the intercom master unit and the fire detector 10 for dwelling units from the disaster prevention monitoring panel.
Calls can be made between the two.

The switching relay contact 24b is closed to the voice synthesizing unit 15 in the normal monitoring state as shown in the figure, and the fire is triggered by the ringing sound of the intercom or the alarm signal from the fire detector 20 in the fire receiver 10 for dwelling units. When the monitoring unit 17 detects a fire, an audio alarm is issued in the dwelling unit.

The relay 24 receives a voice alarm output control signal from the disaster prevention monitoring panel 1 via the transmission circuit 13 for a nearby fire alarm based on a fire decision or a simultaneous ringing of the entire building. , The switching relay contacts 24a and 24b are switched to a bypass line 29a as shown by a broken line, and a voice message signal for a nearby fire alarm and a simultaneous ringing of the entire building is provided by the communication line 29 from the disaster prevention monitoring panel 1. In addition to the direct power amplifier 25, a speaker for dwelling unit 26 can output a nearby fire alarm or a voice message of simultaneous ringing of the entire building.

The disaster prevention monitor 1 is a main controller 3 using an MPU.
0 is provided. The main control unit 30 includes a main control unit 31 for monitoring and controlling a fire realized by execution of a program, and a switching control unit 32 for switching and controlling a display screen of the liquid crystal display unit 4.
Is provided.

The switching control unit 32 serves as an operation unit 33 in FIG.
By operating the screen changeover switch 5 shown in the disaster prevention monitoring panel 1, the display screen other than the fire screen can be normally switched, but during the display of the fire screen due to the fire, the display switches to another back screen. Prohibit switching.

As shown in FIG. 3, the switching control unit 32
When the maintenance mode is set by operating the maintenance mode switch 8 installed in the disaster prevention monitoring panel 1, the prohibition of switching from the fire screen to another display screen is released, and the fire screen during the fire alarm display is released. Switching to another back screen is possible even in the display state.

The setting of the maintenance mode by operating the maintenance mode switch 8 is a mode used at the time of construction, maintenance and inspection of the disaster prevention monitoring equipment including the disaster prevention monitoring panel 1, and a fire screen caused by a simulated fire occurrence. Display of various failure screens due to the display of fire and simulated failures is canceled, and by canceling the screen switching prohibition by displaying the fire screen, the screen state against fire occurrence and simulated occurrence of failures during construction Checking is easy.

Further, in the switching control section 32, when the maintenance mode switch 8 is operated to set the maintenance mode, a built-in timer is started and the maintenance mode is automatically released after a predetermined time, for example, 24 hours. I am trying to do it. This prevents the top priority display function of the fire screen from being damaged by forgetting to return the switch with the maintenance mode set.

Of course, the main control unit 30 composed of the MPU
Is provided with a ROM, a RAM, and the like. The liquid crystal display unit 4 and the operation unit 33 are connected to the main control unit 30. Further, the main control unit 30 is provided with a main sound voice synthesis unit 4.
The main speaker 3 is connected to its output via a power amplifier 44.

The disaster prevention monitoring panel 1 is provided with an interphone control unit 34, and has functions of a transmission circuit 35 and a communication circuit 36. The transmission circuit 35 provided in the intercom control unit 34 specifies the address of the fire detector 10 for dwelling units on the dwelling unit side connected via the transmission line 28 and the address of the repeater 40 built in the disaster prevention monitoring panel 1. And an R-type transmission function for transmitting control signals (control commands) and data.

From the repeater 40 provided on the disaster prevention monitoring panel 1, a common part detector line 41 is drawn out to the common part of the apartment house, where a fire detector 42 for the common part and a terminating resistor 4 are connected.
2a is connected. In addition, the repeater 40 and the fire detector 42 for common use parts are provided suitably according to the magnitude | size and number of common use parts. A collective entrance device 38 is connected to the transmission circuit 35 and the communication circuit 36.

For this reason, the communication between the collective entrance unit 38 and the handset 37 of the intercom master unit connected to the intercom control unit 34, the open / close control of the collective entrance door with the handset 22 of the fire detector 10 for dwelling units, You can talk.

For the main control unit 30 of the disaster prevention monitoring panel 1, a voice synthesizing unit 46 for issuing a nearby fire alarm or ringing the whole building at once.
And its output is connected to a line selector 49 via a power amplifier 47. For the line selection unit 49, the common unit speakers 50a to 50n installed in the common unit
Is connected.

The selection control of the line selector 49 is performed by the main controller 3
This is performed by the input / output control unit 48 provided for 0. That is, when the main control unit 30 determines the fire and the fire occurrence area based on the fire confirmation signal from the dwelling unit fire receiver 10 or the reception of the fire signal from the repeater 40, the input / output control unit 48 is notified of, for example, a nearby fire alarm. If so, an instruction to select a line for the common part on the fire floor and the floor immediately above is issued, and based on this, the input / output control unit 48 causes the line selection unit 49 corresponding to the fire floor and the floor immediately above to be selected.
Is turned on, and its contact is turned on to connect the output of the power amplifier 47 to the corresponding one of the shared speakers 50a to 50n provided in the shared part on the fire floor and the floor immediately above.

At the same time, the main controller 30 designates the address to the fire receiver 10 for the dwelling unit on the fire floor and the immediately above floor via the transmission circuit 35 of the intercom control unit 34, and outputs an audio alarm output control signal. When the transistor 23 is turned on and the relay 24 is driven by turning on the transistor 23, the switching relay contacts 24a, 2
4b is switched to the broken line side.

Further, the interphone control section 34 is provided with a switching circuit composed of a transistor 51, a relay 52, and a switching relay contact 52a. By operating the switch 52, the switching relay contact 52a is also switched to the broken line side, and in this state, a voice message signal of a fire alarm is output from the voice synthesizing unit 46. Messages can be output.

Further, a power supply unit 53 is provided in the disaster prevention monitoring panel 1, and a DC power supply voltage for the inside is generated by a commercial AC 100V.

Next, the operation of the disaster prevention monitoring equipment shown in FIG. 4 will be described. In addition, the fire alarm takes the neighborhood fire alarm as an example.

If a fire occurs in a certain dwelling unit in which the dwelling unit fire detector 10 is installed, a dwelling unit fire detector 20
Is fired, the fire signal is received by the fire monitoring unit 17, and the fire control signal from the fire monitoring unit 17 is received.
Turns on the fire indicator light 21 by the control unit 12 and also blinks the outdoor indicator 27a provided on the door phone 27.

Further, the voice synthesizing section 15 is operated to output a voice message such as “Fire detector has been activated. Please check the fire.” From the dwelling unit speaker 26.

If the resident confirms the fire in response to the fire reception operation of the fire detector 10 for a dwelling unit, the fire check button (not shown) is operated. A confirmation signal is sent.

Even if the fire confirmation button is not operated, when a predetermined time, for example, a predetermined time within 2 to 5 minutes elapses from the reception of the fire, the disaster prevention monitoring panel 1 is automatically transmitted from the transmission line 28.
Sends a fire confirmation signal to If the alarm sound stop button or the recovery button provided on the dwelling unit fire receiver 10 is operated before a certain time has elapsed from the reception of the fire, the fire confirmation signal is not sent to the disaster prevention monitoring panel 1 and the initial state is restored.

When the fire prevention monitoring panel 1 receives the fire confirmation signal from the fire receiver 10 for the dwelling unit through the transmission circuit 35 of the intercom control unit 34, the main control unit 30 receives the fire confirmation signal. When a fire and a fire-occupied dwelling unit are determined by the function of (1), the main sound voice synthesizing unit 43 is operated and amplified by the power amplifier 44, and then the main sound speaker 4 is turned on.
From step 5, a main sound voice message indicating the occurrence of a fire is output, for example, a main sound message such as "Fire. Fire. A fire has occurred in room No. XX floor."

At the same time, a district name (fire-occupied dwelling unit) such as "fire has occurred in room No. XX floor" is displayed on the liquid crystal display section 4 as authentication of the fire-occupied dwelling unit. In addition, the disaster prevention monitoring panel 1 displays a fire representative display and a dwelling unit alarm display.

Subsequently, the main control unit 30 starts from the fired dwelling unit.
Recognize the addresses of the dwelling units on the fire occurrence floor and the dwelling units on the floor directly above, and the common units, and specify the addresses to the dwelling units on the fire occurrence floor and the dwelling units directly above via the transmission circuit 35 of the intercom control unit 34 to issue a neighborhood fire alarm. To send an audio alarm output control signal.

Therefore, in the dwelling unit on the fire occurrence floor and the dwelling unit on the floor immediately above, the dwelling unit control unit 1 of the dwelling unit fire receiver 10 is used.
1, the voice alarm output control signal from the disaster prevention monitoring panel 1 is determined, and the operation of the relay 24 in the second switching circuit sets the switching relay contacts 24 a and 24 b to the bypass line 31 on the broken line side.
In the first switching circuit of the disaster prevention monitoring panel 1, the intercom control unit 34 controls the relay 52 by the control output.
To switch the switching relay contact 52a to the broken line side, and connect the output of the voice synthesizing section 46 to the communication line 29.

At the same time, the main control unit 30 instructs the input / output control unit 48 to select a line for the common unit on the fire floor and the floor immediately above. Is activated, and the speakers for the common part on the fire floor and the floor immediately above are connected to the output of the power amplifier 47.

After the output control of the nearby fire alarm is completed, the main control unit 30 activates the voice synthesizing unit 46 and outputs a voice message signal of the nearby fire alarm. The voice message signal of this neighborhood fire alarm is "Finn. Fin. Fin."
A fire broke out in floor △△△△. Please evacuate after confirming safety. ", And finally output the second signal" Fififi ", and repeat this.

[0062] Such a speech synthesizer 4 for neighborhood fire alarm.
The voice signal from 6 is used to output the voice message of the nearby fire alarm from the speaker 26 for the dwelling unit of the fire receiver 10 for the dwelling unit on the fire floor and the floor immediately above, and from the common unit speaker provided in the common unit on the fire floor and the floor directly above. Output is performed. In the event of a fire alarm, the intercom function is stopped because the communication line 29 is used for audio alarm.

On the other hand, in the event of a fire occurring in the common unit, the relay 40 receives an alarm signal from the common unit fire detector 42 and transmits the fire signal to the transmission circuit 35 of the interphone control unit 34.
In this case, the fire alarm control is performed in which the fire place is determined to be the common part in the same manner as in the case where the fire confirmation signal is received from the dwelling unit fire receiver 10.

FIG. 5 shows the main control unit 30 of the disaster prevention monitoring panel 1 of FIG.
FIG. 7 is an explanatory diagram showing a screen switching process by a switching control unit provided in the system.

First, in a normal monitoring state, a monitoring screen 58 is displayed on the liquid crystal display unit 4. In this monitoring screen, only the fact that monitoring is being performed is displayed. In this state, when a fire occurs in the dwelling unit or the common area and the fire and the fire occurrence location are specified, the screen is switched to the fire screen 60.
At this time, the alarm display lamp 54 is lit to indicate that the alarm display screen is being switched. It is also assumed that when switching to the fire screen 60, a dwelling unit alarm screen, a board failure screen, and a line failure screen exist, and a dwelling unit alarm screen 61, a board failure screen 62, and a line failure screen 63 also exist as back screens.

At this time, in response to the dwelling unit alarm screen 61, the board failure screen 62, and the line failure screen 63 existing as the back screen, the dwelling unit alarm indicator 55, the board failure indicator 56, and the line failure indicator 57 blink. Then, the presence of the back screen is indicated.

In such a display state of the fire screen 60, even if the screen changeover switch 5 provided on the disaster prevention monitor panel 1 in FIG. 2 is pressed, the dwelling unit alarm screen 61, the board failure screen 62 and the line Switching to the failure screen 63 is prohibited, and the display of the fire screen 60 is maintained preferentially. Therefore, even if the screen switching switch 5 is operated by mistake or intentionally while the fire screen 60 is displayed, the fire screen 60 does not disappear by switching to another back screen, and the grasp of the fire situation is impaired. There is no.

In the embodiment of the present invention, the fire screen 60, the dwelling unit alarm screen 61, the board failure screen 62, and the line failure screen 63 are displayed on the liquid crystal display unit 4 vertically.
The upper half of the screen area displays the name of the area where the fire occurred, and the lower half of the screen displays guidance messages for dealing with fires and obstacles and necessary switch operations.

The number of pieces of information such as alarms that can be displayed simultaneously on the upper half screen is determined in advance. If there is more information than that number, the overflow lamp 6a shown in FIG. The information not displayed can be displayed by the operation of. Also, the fire screen 60
When a fire is detected while other screens are displayed, the screen is forcibly switched to the fire screen 60, and the fire occurrence location is displayed, giving the highest priority to the fire display.

FIG. 6 is an explanatory diagram of a screen switching process when the maintenance mode switch 8 provided in the panel of FIG. 3 is operated to set the switching control unit 32 to the maintenance mode. In the screen switching process in the maintenance mode, when a fire detector is set to fire a test fire to check operation at the time of, for example, construction in the state of the monitoring screen 58 and a false fire is generated, the screen is switched to the fire screen 60, and the screen is switched to the fire screen 60. The upper half shows the name of the area where the fire was reported. At this time, the alarm display lamp 54 shown on the right side lights up, indicating that the screen displaying the fire alarm is displayed on the liquid crystal display unit 4.

In the display state of the fire screen 60, if the dwelling unit alarm screen 61, the board failure screen 62, and the line failure screen 63 exist as back screens in response to pseudo failures, respectively, the fire screen 60 Dwelling unit warning indicator light 5
5. Each of the board fault indicator 56 and the line fault indicator 57 is blinking to indicate the presence of a back screen.

Therefore, when the user wants to see this back screen, he pushes the screen changeover switch 5 provided on the disaster prevention monitoring panel 1 of FIG.
When the button is pressed again, the screen is switched from the dwelling unit alarm screen 61 to the board failure screen 62, when pressed again, the screen is switched from the board failure screen 62 to the line failure screen 63, and when pressed again, the screen returns from the line failure screen 63 to the first fire screen 60. Switching can be performed as needed.

It is to be noted that the display lamps 54 to 57 are switched on and off according to the screen switching by operating the screen switching switch 5.
The type of the screen displayed on the liquid crystal display unit 4 can be identified. When there is no alarm information to be displayed on each of the display lamps 54 to 57 or when there is a back screen, the display lamps 54 to 57 are turned off. Naturally, the screen can be displayed even when there is no information.

FIG. 7 is a flow chart of the screen switching process by the switching control unit 32 of the main control unit 30 for switching the screen in the normal mode of FIG. 5 and in the maintenance mode of FIG. In this screen switching process, it is checked in step S1 whether or not the maintenance mode is set. If the maintenance mode is not set, the process proceeds to step S2, where the screen switching switch 5 is turned on.

If it is determined that the switch is on, the process proceeds to step S3 in the normal monitoring state, and it is checked whether or not a fire is being displayed on the fire screen. If the fire is being displayed, the input by the screen switch is canceled in step S4, an error sound for the operation of the screen switch is output in step S5, the fire screen display is maintained, and the process is terminated. If the fire is not being displayed on the fire screen in step S3, the process proceeds to step S8, and the screen is switched to the back screen (the screen next to the currently displayed screen) and displayed.

On the other hand, when the maintenance mode is determined in step S1, the process proceeds to step S6, and it is checked whether a predetermined time, for example, 24 hours, has elapsed. If it is less than 24 hours, the process proceeds to step S7, where it is checked whether the screen changeover switch 5 is on. If it is determined that the switch is on, the process proceeds to step S8, where the screen is switched and displayed on the back screen.

Therefore, in the maintenance mode, the switching of the display depending on whether or not the fire is being displayed in step S3 and the input cancel to the screen switch are not performed, and the operation of the screen switch 5 is always performed regardless of the existence of the fire screen. Is enabled and the back screen is switched. After 24 hours have passed from the setting of the maintenance mode in step S6, the process proceeds to step S9, in which the maintenance mode is automatically released and returns to the normal monitoring mode.

FIG. 8 shows the main control unit 30 of the disaster prevention monitoring panel 1 of FIG.
FIG. 11 is an explanatory diagram of screen switching according to another embodiment of the switching control unit 30 provided in FIG. In the embodiment of FIG. 8, the switching to the back screen by the screen changeover switch 5 provided on the disaster prevention monitoring panel 1 of FIG. 2 is made valid regardless of the presence or absence of the fire screen.

That is, when a fire occurs on the normal monitoring screen 58, the screen is switched to a fire screen 60, and in this state, a dwelling unit alarm screen 61, a board failure screen 62, and a line failure screen 6 are displayed as back screens.
3 can be sequentially switched by operating the screen changeover switch 5.

In addition, in the embodiment of FIG. 8, a fire screen confirmation switch 70 is newly provided.

The fire screen confirmation switch 70 is pressed when the fire screen 6 is on the back screen, for example, when the dwelling unit alarm screen 61, the board failure screen 62 or the line failure screen 63 is displayed on the liquid crystal display. While the switch is pressed, the screen is switched to the fire screen 60 and displayed. When the fire screen confirmation switch 70 is released, the screen returns to the original screen.

For this reason, even if the screen is switched to another back screen other than the fire screen when a fire occurs, simply pressing the fire screen confirmation switch 70 interrupts the fire screen 60.
The display continues to be displayed while the switch is pressed and the fire screen 60 is present as the back screen, so that the fire screen 60 can be returned to the fire screen 60 whenever necessary and the fire condition can be confirmed.

The fire screen 60 is not displayed when the operation of the fire screen confirmation switch 70 is kept depressed. Instead, the fire screen is displayed continuously for a predetermined time when the fire screen confirmation switch 70 is pressed. good.

Although the above embodiment has been described with reference to an example of a disaster prevention monitoring panel of a fire alarm system of a dwelling unit for monitoring a fire in a dwelling unit and a common area, the present invention is not limited to this. The same liquid crystal display can be used for display, and the present invention can be directly applied to a disaster prevention monitoring panel of an appropriate disaster prevention monitoring facility for displaying by switching screens.

The present invention includes appropriate modifications which do not impair the objects and advantages thereof, and is not limited by the numerical values shown in the above embodiments.

[0086]

As described above, according to the present invention, when the display screen is switched to the same screen display unit such as a liquid crystal display based on a predetermined switch operation such as a screen switch, a fire screen is displayed. During switching, switching to another screen that exists as a back screen is prohibited by the switching control unit, so even if there is a display screen such as a line failure or panel failure other than the fire screen, the fire screen is displayed with the highest priority It is possible,
Even if the screen switching operation is performed accidentally, the screen is not switched to another display screen, and the fire is always displayed, so that grasping the fire situation is not hindered by the screen switching and responds appropriately to fire occurrence be able to.

When the maintenance mode is set by operating a switch installed in the panel, it is possible to switch from the fire screen to another display screen, so that the fire screen and the failure screen can be displayed during construction or inspection. You can easily check by switching as needed.

Further, the maintenance mode is automatically released after a certain period of time has passed since the maintenance mode was set, and the display function of the fire screen with the highest priority due to forgetting to return the switch when the maintenance mode was set is impaired. Can be prevented beforehand.

Further, in another embodiment of the present invention, when a fire screen exists as a back screen due to the occurrence of a fire and is switched to another display screen, a fire switch is operated by a specific switch such as a fire screen confirmation switch. By switching to the screen for display, it is possible to allow the fire screen to be switched to the back screen, and at the same time, immediately return to the fire screen to check and grasp the fire status.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a disaster prevention receiver used in the present invention.

FIG. 2 is an enlarged explanatory view of a display operation unit of the disaster prevention receiver of FIG. 1;

FIG. 3 is an explanatory view of a maintenance switch provided inside the disaster prevention receiver of FIG. 1;

FIG. 4 is a block diagram showing the overall configuration of the disaster prevention monitoring equipment of the present invention.

FIG. 5 is an explanatory diagram of display of a fire screen and a prohibition of switching to a back screen when a fire occurs in the disaster prevention receiver according to the present invention.

FIG. 6 is an explanatory diagram of screen switching when a maintenance mode is set in the disaster prevention receiver according to the present invention.

FIG. 7 is a flowchart of a screen switching process according to the present invention.

FIG. 8 is an explanatory diagram of a screen switching process according to another embodiment of the present invention.

[Explanation of symbols]

 1: Disaster prevention monitoring panel 2: Fire monitoring unit 3: Intercom master unit 4: Liquid crystal display unit 5: Screen switch 6: Shift switch 7: Overflow lamp 8: Maintenance mode switch 9: Maintenance mode lamp 10: Fire detector for dwelling unit 11: control unit for dwelling unit 12: control unit 13, 35: transmission circuit 14, 36: communication circuit 15: voice synthesis unit for dwelling unit 16: address setting unit 17: fire monitoring unit 18: dwelling unit detector line 20: fire for dwelling unit Detector 21: Fire indicator 22, 37: Handset 23, 51: Transistor 24, 52: Relay 24a, 24b, 52a: Switching relay contact 25, 43, 47: Power amplifier 26: Dwelling speaker 27: Door phone 27a: Outdoor Display 28: Transmission line 29: Call line 29a: Bypass line 30: Main control unit 31: Monitoring control unit 32 Switching control unit 33: Operation unit 34: Interphone control unit 38: Entrance collective unit 40: Repeater 41: Common unit detector line 42: Common unit fire detector 43: Voice synthesizer for main sound alarm 45: Main sound alarm Speaker 46: Neighborhood alarm voice synthesis unit 48: Input / output control unit 49: Line selection unit 50: Common unit speaker 53: Power supply unit 54: Alarm indicator 55: Dwelling unit alarm indicator 56: Board failure indicator 57: Line fault indicator 58: Monitoring screen 60: Fire screen 61: Dwelling unit alarm screen 62: Board fault screen 64: Line fault screen 70: Fire screen confirmation switch

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Kumiko Ando 2-10-4, Kamioosaki, Shinagawa-ku, Tokyo Inside Ho Chiki Co., Ltd. (72) Inventor Kazuyuki Nakajima 2- 10-43, Kamioosaki, Shinagawa-ku, Tokyo No. Ho Chiki Co., Ltd. (72) Inventor Kiyoaki Koyama 2-10-43 Kamiosaki, Shinagawa-ku, Tokyo F-term Co., Ltd. F-term (reference) 5G405 AA06 AD07 CA09 CA22 CA31 CA51 EA41 FA02

Claims (5)

[Claims] 1. A fire detector installed in a monitoring area monitors a fire, and the same screen display switches between a fire screen for displaying the name of the area where the fire occurred and a display screen for displaying other information. In the disaster prevention monitoring panel to be displayed, a switching control unit for switching a display screen of the screen display unit based on a predetermined switch operation and prohibiting switching to another screen while the fire screen is displayed when a fire occurs. Disaster prevention monitoring panel characterized by the following. 2. The disaster prevention monitoring panel according to claim 1, wherein the switching control unit is configured to operate when a maintenance mode is set by operating a predetermined switch installed in the panel and the switching prohibition unit causes a fire. Disaster prevention monitoring panel characterized in that the prohibition of switching from a fire screen to another display screen is released to enable switching. 3. The disaster prevention monitoring panel according to claim 2, wherein the switching control unit displays another fire screen when a predetermined time has elapsed since the setting of the maintenance mode was started by operating a predetermined switch. Disaster prevention monitoring panel characterized in that switching to the display screen is canceled and switching is prohibited. 4. A fire monitor installed in the monitoring area monitors the fire, and a fire screen for displaying the name of the area where the fire occurred and a screen for displaying other information are switched and displayed on the same screen display unit. The display screen of the display unit is switched based on the operation of a predetermined first switch, and the fire screen is displayed when a predetermined second switch is operated while a display screen other than the fire screen is displayed. Disaster prevention monitoring panel, characterized in that a switching control unit for switching and displaying the information is provided. 5. The fire prevention monitoring panel according to claim 1, wherein a fire detector installed in the dwelling unit monitors the fire for each dwelling unit and a fire detector installed in the common area. Disaster prevention monitoring panel characterized by monitoring fires in areas including dwelling units and common areas by connecting devices.