JP2020052966A - Disaster prevention system - Google Patents

Abstract

To make it easy for a user to check data.SOLUTION: An external device 6 accesses a disaster prevention receiver board 10 via an access point 22 or a HUB 23. The disaster prevention receiver board 10 transmits data of a screen displayed on a GOT 104 to the external device 6 when operating the GOT 104, and the external device 6 displays the screen represented by the transmitted data. When a user operates buttons corresponding to various functions on the screen displayed by the external device 6, the external device 6 transmits data representing the operated button to the disaster prevention receiver board 10. The disaster prevention reception board 10 performs an operation corresponding to the data transmitted from the external device 6.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a disaster prevention system.

  In a tunnel disaster prevention system including a disaster prevention receiver and a terminal device, terminal devices such as a manual notification device, a fire hydrant activation device, and a duct temperature detector are connected to the disaster prevention receiver by a signal line. As an invention for examining the state of this signal line, for example, there is a tunnel disaster prevention system disclosed in Patent Document 1. This tunnel disaster prevention system sequentially selects one signal line from a plurality of signal lines, and connects the selected signal line to the AD conversion port of the control unit. The control unit measures and records a current flowing through the signal line by sampling a signal input to the AD conversion port from the connected signal line. By displaying the data obtained by the measurement on a display unit provided in the disaster prevention receiver, it is possible to grasp the state of the signal line such as deterioration of insulation of the signal line.

JP-A-2017-34489

  If the display unit that displays the data obtained by measuring the signal line is installed in the disaster prevention receiver, the user needs to go to the place where the disaster prevention receiver is installed when checking the data. Will be taken.

  An object of the present invention is to enable a user to easily confirm data.

(1) The disaster prevention system according to the present invention includes: a display unit that displays an image and receives a user operation on the displayed image; and a communication unit that transmits data representing the image displayed by the display unit to an external device. The external device receives the data transmitted by the communication unit, and displays an image represented by the received data.

(2) In the disaster prevention system according to the present invention, in the configuration described in (1), the display unit is provided in a housing with a door.

(3) In addition, the disaster prevention system according to the present invention, in the configuration of (2), further includes a connection unit provided to be exposed to the outside of the housing, and connected to a cable connected to the external device, The communication means transmits the data to the external device via the cable.

(4) In the disaster prevention system according to the present invention, in the configuration according to any one of (1) to (3), when the external device is displaying an image represented by the data, Does not accept an operation performed on the displayed image.

According to the above configuration (1), the user can easily check data.
According to the above configuration (2), the image displayed by the display means in the housing can be viewed by the external device.
According to the above configuration (3), an image displayed by the display means in the housing can be viewed on the external device without opening the door of the housing.
According to the above configuration (4), it is possible to prevent an image displayed by the external device from being changed by an operation on the display unit.

The figure explaining the composition of disaster prevention system 1 concerning the present invention. FIG. 2 is a block diagram showing a configuration of a transmission unit 102. FIG. 4 is a diagram illustrating details of a measurement circuit 202a, a measurement circuit 202c, and a measurement circuit 202d. FIG. 4 is a diagram illustrating an example of a GUI screen displayed by a GOT 104.

[Embodiment]
(overall structure)
FIG. 1 is a diagram showing an outline of the disaster prevention system 1. The disaster prevention system 1 is a system for preventing the spread of a fire occurring in a tunnel. FIG. 1 shows an outline of a disaster prevention system 1 related to a tunnel having an up-line tunnel 2a and a down-line tunnel 2b on a motorway.

  On the wall surfaces of the tunnels 2a and 2b, fire detectors 32 are installed at predetermined intervals along the extending direction of the tunnel. The fire detector 32 monitors the upstream side and the downstream side of the tunnel to detect a flame caused by a fire. When a fire flame is detected by the fire detector 32, a fire signal flows.

  Ducts for ventilation and exhaust are provided in the tunnel 2a and the tunnel 2b along the extending direction of the tunnel, and the temperature detectors 31 are installed at predetermined intervals in the ducts. The temperature detector 31 includes a switch functioning as a contact means. When the temperature in the duct increases due to a fire, the switch is turned on and a temperature detection signal flows.

  Also, on the wall surfaces of the observer passages of the tunnels 2a and 2b, a fire hydrant device 33 and a manual notification device 34 are installed at predetermined intervals along the extending direction of the observer passage.

  The fire hydrant device 33 is a water discharge facility for initial fire extinguishing, and stores a fire hydrant and a fire extinguisher connected to a hose with a nozzle in a door. In the event of a fire, when the fire hydrant door is opened, the hose with the nozzle is pulled out, and the fire hydrant valve opening / closing lever is opened, the fire hydrant start switch for supplying water to the fire hydrant is turned on, and a start signal flows. When the start signal flows, the fire pump for supplying water to the fire hydrant is started, and fire water is discharged from the nozzle of the hose.

  In addition, the fire hydrant device 33 is provided with a water tap used by the fire brigade and a water tap activation switch that starts a fire pump that supplies water to the water tap. When the hydrant start switch is turned on by the operation of the fire brigade, a start signal flows. When the start signal flows, the fire pump is started and water is supplied to the water tap. In addition, since the hydrant is not an essential configuration, the fire hydrant device 33 may have a configuration without a hydrant.

  Since the hydrant start switch and the hydrant start switch are both switches that output a start signal for starting the same fire pump, the hydrant start switch and the hydrant start switch may be hereinafter referred to as start switches. .

  The manual notification device 34 is a device for notifying a fire, and when a push button is operated and the switch is turned on, a fire notification signal flows. In addition, the manual notification device of a push button type is also installed in the emergency telephone provided on the wall surface of the tunnel 2a and the tunnel 2b.

  The manual notification device 34, the fire hydrant device 33, and the temperature detector 31 are examples of the terminal device according to the present invention.

  The disaster prevention receiver 10 is a facility that has a function of detecting an abnormality in the tunnel, reports the occurrence of a fire, and prevents the spread of the fire in the tunnel in conjunction with other facilities. The disaster prevention receiver 10 is installed in a communication machine room of a tunnel, and has a housing with a door. The disaster prevention receiver 10 is a P-type system, and includes a signal line 11a connected to the temperature detector 31, a signal line 11b connected to the fire detector 32, and a signal line connected to the manual notification device 34. 11d and the signal line 11c connected to the start switch.

  The signal line 11a connected to the temperature detector 31 is provided for each of a plurality of divided sections in the tunnel, and each of the plurality of signal lines 11a is connected to the temperature detector 31 installed in the corresponding section. Have been. The signal line 11b connected to the fire detector 32 is provided for each of a plurality of divided sections in the tunnel, and each of the plurality of signal lines 11b is connected to the fire detector 32 installed in the corresponding section. Have been. The signal line 11d connected to the manual notification device 34 is provided for each of a plurality of divided sections in the tunnel, and each of the plurality of signal lines 11d is connected to the manual notification device 34 installed in the corresponding section. Have been. The signal line 11c connected to the start switch is provided for each of a plurality of sections obtained by dividing the inside of the tunnel, and each of the plurality of signal lines 11c is connected to the start switch provided in the corresponding section.

  In addition, the disaster prevention system 1 includes a pump control panel 21, an access point 22, and a HUB 23 that control a fire pump and a duct cooling pump that cools a duct.

  The access point 22 is a wireless LAN access point and is connected to the communication network 3. The disaster prevention system 1 includes a plurality of access points 22 and is installed in, for example, a communication machine room of a tunnel, a supervisor passage, a tunnel 2a, a tunnel 2b, and the like. In FIG. 1, only one access point 22 is shown to prevent the drawing from being complicated.

  The HUB 23 is a repeater that relays wired communication of the computer device, and is connected to the communication network 3. The disaster prevention system 1 includes a plurality of HUBs 23, and is installed in, for example, a communication machine room of a tunnel, a supervisor passage, the tunnel 2a, the tunnel 2b, and the like. FIG. 1 shows only one HUB 23 in order to prevent the drawing from being complicated.

  The external device 6 is a computer device capable of performing wired and wireless communication, and is an example of the external device according to the present invention. In the present embodiment, the external device 6 is a laptop personal computer, but the external device 6 may be, for example, a smartphone or a tablet terminal. The external device 6 communicates with the disaster prevention receiver 10 via the access point 22 or the HUB 23.

(Configuration of disaster prevention receiver 10)
The disaster prevention receiver 10 includes a control unit 101, a transmission unit 102, a communication unit 103, a GOT 104, an operation unit 105, an alarm unit 106, a pump control unit 107, a display unit 108, and a storage unit 109.

  The control unit 101 is a so-called PLC (Programmable Logic Controller), and includes a CPU unit having a CPU and a memory, a power supply unit, and an input / output unit having various input and output ports including an input port having an AD conversion function. .

  The transmission unit 102 is connected to the signal lines 11a, 11b, 11c, and 11d. The transmission unit 102 supplies a temperature detection signal, a fire signal, an activation signal, and a fire notification signal to the control unit 101.

  A GOT (Graphic Operation Terminal) 104 is an input / output device provided with a touch panel. The GOT 104 is installed inside the housing of the disaster prevention receiver 10, for example, installed inside the door of the housing of the disaster prevention receiver 10. The GOT 104 displays various GUI screens in cooperation with the control unit 101, and receives an operation performed on the GUI screen. The GOT 104 displays a measurement result of a current flowing through the signal lines 11a, 11c, and 11d, and displays a setting screen for measuring the current. The GOT 104 has a USB terminal and outputs various data to a USB memory connected to the USB terminal.

  The communication unit 103 functions as a communication interface for communicating with the external device 6 and the remote control equipment 30 which is an external host equipment via the communication network 3. The communication unit 103 is an example of a communication unit according to the present invention. The operation unit 105 has various switches and buttons for operating the disaster prevention receiver 10. The alarm unit 106 has a speaker, a main audio device, and an alarm indicator, and issues an alarm when a fire occurs. The pump control unit 107 controls the pump control panel 21 and controls a fire pump and a duct cooling pump. The display unit 108 includes a liquid crystal display device, and performs an alarm display of occurrence of a fire, an abnormal display of a current flowing through the signal lines 11a, 11c, and 11d. The storage unit 109 is, for example, a non-volatile memory such as a memory card, and stores a measurement result of a current flowing in a signal line connected to the transmission unit 102. The storage unit 109 is an example of a recording unit according to the present invention. The control unit 101 is not limited to the PLC, and may be a microcomputer or a personal computer including a CPU, a memory, and an input / output unit. Further, in the present embodiment, the display unit 108 and the operation unit 105 are arranged on the panel surface of the casing of the disaster prevention receiving panel 10 to constitute a main display operation unit, and the GOT 104 is arranged inside the door of the casing. Thus, the sub-display operation section is configured and configured separately, but may be configured integrally.

(Configuration of the transmission unit 102)
FIG. 2 is a block diagram showing a configuration of the transmission unit 102. Each of the plurality of sections 5 obtained by dividing the inside of the tunnel includes a temperature detector 31, a fire hydrant device 33, and a manual notification device 34 installed in the section 5. The transmission unit 102 includes an input / output unit 200 for each of the plurality of sections 5 obtained by dividing the inside of the tunnel.

  The input / output unit 200 includes a signal receiving unit 201a, a signal receiving unit 201c, and a signal receiving unit 201d. The signal receiving unit 201a is connected to the temperature detector 31 included in the corresponding section 5 by a signal line 11a. The signal receiving unit 201c is connected to the fire hydrant device 33 included in the corresponding section 5 by a signal line 11c. The signal receiving unit 201d is connected to the manual notification device 34 included in the corresponding section 5 via the signal line 11d.

  Further, the input / output unit 200 includes a measurement circuit 202a, a measurement circuit 202c, and a measurement circuit 202d. The measurement circuit 202a is a circuit for measuring a current flowing through the signal line 11a. The measurement circuit 202c is a circuit for measuring a current flowing through the signal line 11c. The measurement circuit 202d is a circuit for measuring a current flowing through the signal line 11d.

  FIG. 3 is a diagram illustrating details of the measurement circuit 202a, the measurement circuit 202c, and the measurement circuit 202d. The signal line 11a, the signal line 11c, and the signal line 11d are specifically composed of a signal line L and a common line C. The signal line L is connected to the power supply voltage Vc via the resistor R2 and is pulled up to allow a DC signal to flow, and the common line C is connected to the ground.

  A switch SWa provided in the temperature detector 31 and a terminating resistor R1 are connected in parallel to the signal line 11a including the signal line L and the common line C, and the switch SWa is turned off as shown in the normal state. Has become.

  A start switch SWc and a terminating resistor R1 provided in the fire hydrant device 33 are connected in parallel to the signal line 11c including the signal line L and the common line C, and the start switch SWc is turned off as illustrated in the normal state. It has become.

  The switch SWd and the terminating resistor R1 provided in the manual notification device 34 are connected in parallel to the signal line 11d including the signal line L and the common line C, and the switch SWd is turned off as shown in the normal state. Has become.

  In the normal state where the switch SWa is off, the voltage between the signal line L and the common line C is the power supply voltage Vc, and this voltage is input to the signal receiving unit 201a. When one of the switches SWa is turned on due to a rise in temperature, the voltage between the signal line L and the common line C decreases. The signal receiving unit 201a outputs a temperature detection signal to the control unit 101 when the voltage between the signal line L and the common line C falls below a predetermined voltage.

  In the normal state where the start switch is off, the voltage between the signal line L and the common line C is the power supply voltage Vc, and this voltage is input to the signal receiving unit 201c. When any one of the start switches SWc is turned on, the voltage between the signal line L and the common line C decreases. When the voltage between the signal line L and the common line C becomes lower than a predetermined voltage, the signal receiving unit 201c outputs a start signal to the control unit 101.

  In a normal state where the switch SWd is off, the voltage between the signal line L and the common line C is the power supply voltage Vc, and this voltage is input to the signal receiving unit 201d. When one of the switches SWd is turned on by operating the push button, the voltage between the signal line L and the common line C decreases. When the voltage between the signal line L and the common line C falls below a predetermined voltage, the signal receiving unit 201d outputs a fire notification signal to the control unit 101.

  The measurement circuit 202a, the measurement circuit 202c, and the measurement circuit 202d are circuits for detecting a voltage between the signal line L and the common line C, and have a signal line La connected to the signal line L. Note that the measuring circuits 202a, 202c, and 202d are not limited to the circuits shown in the drawings, and the voltage between the point where the signal line La is connected in the signal line L and the common line C is used as a signal. Any circuit may be used as long as it changes according to an increase in the current flowing through the line L.

  The selection unit 210 includes a relay circuit for each of the plurality of signal lines La to be connected. In the selection unit 210, a relay circuit operates according to a control signal from the control unit 101, and one of the plurality of signal lines La is connected to the AD conversion port of the control unit 101 by the relay circuit.

(Configuration of the control unit 101)
In the control unit 101, the current measurement unit 1001, the detection unit 1002, the monitoring unit 1004, and the GUI unit 1005 according to the present invention are realized by the CPU executing the program.

  The monitoring unit 1004 controls each unit according to the signal supplied from the transmission unit 102. For example, when receiving a fire notification signal by operating the manual notification device 34, the monitoring unit 1004 controls the alarm unit 106 to sound the main sound device, and controls the display unit 108 to display the fire display and the manual notification section display. I do. When receiving the fire notification signal, the monitoring unit 1004 controls the pump control panel 21 with the pump control unit 107 to activate the fire pump.

  When the temperature detection signal is received due to the rise in the temperature in the duct, the monitoring unit 1004 controls the pump control panel 21 by the pump control unit 107 to start the cooling pump, and the head installed in the duct. To control the cooling of the inside of the duct by spraying water.

  The current measurement unit 1001 measures the current values of the currents flowing through the signal lines 11a, 11c, and 11d, and records the measurement results in the storage unit 109. Specifically, the current measuring unit 1001 measures the voltage Va between the signal line La and the ground at the AD conversion port, and thereby, the current value I of the current flowing through the signal line L is, for example, I = (Vc−Va ) / R2. The current measuring unit 1001 is an example of a measuring unit according to the present invention.

  At a predetermined time of the day, the current measuring unit 1001 controls the selecting unit 210, and sequentially connects the signal lines La connected to the selecting unit 210 to the AD conversion port. The current measurement unit 1001 measures a voltage for each connected signal line La, calculates a current value I of a current flowing through the connected signal line La from the measured voltage, and stores the calculated current value in the storage unit 109. Record.

  In addition, when the operation of instructing the measurement of the current flowing through all the signal lines L is performed in the GOT 104, the current measurement unit 1001 controls the selection unit 210 to sequentially connect the signal lines La to the AD conversion ports. . The current measuring unit 1001 measures a voltage for each connected signal line La, calculates a current value of a current flowing through the connected signal line La from the measured voltage, and records the calculated current value in the storage unit 109. .

  In addition, the current measuring unit 1001 selects the signal line L for measuring the current value when the signal line L is selected in the GOT 104 and the operation of instructing the measurement of the current flowing through the selected signal line L is performed in the GOT 104. The signal line La connected to the signal line L is connected to the AD conversion port. The current measuring unit 1001 measures the voltage of the connected signal line La, calculates the current value of the current flowing through the connected signal line La from the measured voltage, and records the calculated current value in the storage unit 109.

  When measuring the voltage Va, the current measurement unit 1001 starts sampling the voltage Va between the signal line La and the ground after a preset time has elapsed after controlling the selection unit 210. The current measurement unit 1001 ends the sampling when a predetermined time elapses after starting the sampling of the voltage Va. The sampling cycle is set in advance and stored in the storage unit 109, and the current measurement unit 1001 performs sampling at the cycle stored in the storage unit 109. As the sampling cycle, for example, a cycle of less than 1 second is set. Also, the time for performing sampling is set in advance and stored in the storage unit 109, and the current measurement unit 1001 performs sampling during the time stored in the storage unit 109. The sampling time is set in seconds. The sampling period and the sampling time can be changed by the user, and can be changed by operating the GOT 104.

  The current measuring unit 1001 calculates a current value I for each voltage Va obtained for each sampling, and records an average value of the calculated current values I in the storage unit 109. The current measuring unit 1001 is also an example of a recording unit according to the present invention.

  When the current flowing through the signal line L increases, the voltage Va between the signal line L and the common line C increases in proportion to the increase in the current flowing. For example, when the insulation of the signal line 11a is deteriorated, the insulation resistance decreases, and the current flowing through the signal line 11a increases, so that the voltage Va between the signal line L and the common line C increases. When the voltage Va changes, the current value I obtained by the above equation changes. Therefore, the current measuring unit 1001 measures the current flowing through the signal line L, and monitors the change of the current value I stored in the storage unit 109. Accordingly, it is possible to determine a decrease in insulation of the signal line.

  The detection unit 1002 analyzes the current value I recorded in the storage unit 109, and detects a reduction in insulation of the signal line and noise or lightning surge superimposed on the signal of the signal line from outside. The detection unit 1002 is an example of a detection unit according to the present invention.

  The GUI unit 1005 displays various screens on the GOT 104 in accordance with operations performed on the GOT 104 and operations performed on the operation unit 105. For example, when an operation for displaying the measurement result of the measured current value is performed, the GUI unit 1005 displays the data of the measurement result stored in the storage unit 109 on the GOT 104. When the measurement result is displayed on the GOT 104, the measurement result can be displayed as a value, and a change in the current value over time due to sampling can be displayed as a graph. The GUI unit 1005 operates according to an operation performed on the external device 6 and transmits screen data displayed by the GOT 104 to the external device 6. The GUI unit 1005 is an example of a display unit according to the present invention.

(Operation Example of Embodiment)
Next, an operation example when operating the disaster prevention receiving panel 10 from the external device 6 will be described.

  When the user of the external device 6 operates the disaster prevention receiver 10 at a location away from the disaster prevention receiver 10, the user connects the external device 6 to the access point 22 wirelessly or connects the external device 6 to the HUB 23 with a LAN cable. By connecting the external device 6 to the access point 22 or the HUB 23, the external device 6 can communicate with the disaster prevention receiver 10 via the communication network 3.

  The user of the external device 6 performs an operation of instructing activation of an application program for realizing a function of communicating with the disaster prevention receiver 10 in the external device 6. The external device 6 on which this operation has been performed executes an application program that implements a function of communicating with the disaster prevention receiver 10. When the user performs an operation to access the disaster prevention receiver 10 on the external device 6 that has executed the application program, the external device 6 accesses the disaster prevention receiver 10. In the disaster prevention receiver 10 accessed from the external device 6, the GUI unit 1005 transmits data of a main menu screen for operating the disaster prevention receiver 10 to the external device 6. The screen represented by the data transmitted by the GUI unit 1005 to the external device 6 is the same screen as the screen displayed on the GOT 104 when the GOT 104 is operated. The external device 6 receives the data transmitted from the disaster prevention receiving panel 10 and displays a main menu screen represented by the received data.

  The screen for operating the disaster prevention receiver 10 has a hierarchical structure from the main menu screen, for example. When the GUI of the button for transitioning to another screen is operated on the screen displayed on the external device 6, the external device 6 and the disaster prevention receiver 10 communicate with each other, and the data of the screen corresponding to the operated GUI is displayed on the disaster prevention receiver. 10 to the external device 6, and the external device 6 displays a screen corresponding to the transmitted data.

  For example, when the user performs an operation of displaying a screen for measuring the current flowing through the signal lines 11a, 11c, and 11d on the screen displayed by the external device 6, the external device 6 and the disaster prevention receiver 10 perform communication, and the screen shown in FIG. FIG. 4 is an example of a GUI screen (automatic measurement screen) when measuring the current flowing through the signal lines 11a, 11c, and 11d.

  When the user operates buttons corresponding to various functions on the screen displayed by the external device 6, the external device 6 transmits data representing the operated buttons to the disaster prevention receiver 10. The disaster prevention receiver 10 performs an operation corresponding to the data transmitted from the external device 6. For example, when the user performs an operation of pressing the button B3 illustrated in FIG. 4 in the external device 6, the external device 6 transmits data representing the button B3 to the disaster prevention receiver 10.

  The disaster prevention receiver 10 receives data transmitted by the external device 6. In the disaster prevention receiver 10 receiving the data transmitted by the external device 6, the current measuring unit 1001 controls the selecting unit 210 to sequentially connect the signal lines La to the AD conversion ports. The current measurement unit 1001 measures a voltage for each connected signal line La, calculates a current value of a current flowing through the connected signal line La from the measured voltage, and calculates an average value of the calculated current value and the current value. The information is recorded in the storage unit 109. The GUI unit 1005 updates the measurement value column of the GUI screen shown in FIG. 4 to the calculated average value every time the measurement of the flowing current value is completed for one signal line La, and updates the updated GUI screen data. The data is transmitted to the external device 6.

  For example, when the measurement is completed for the signal line La with the line number 003 assigned to each of the signal lines La for identifying the signal line La, the GUI unit 1005 displays the “No.” column in the screen of FIG. Is updated to the average value of the calculated current values, and the updated screen data is transmitted to the external device 6. The external device 6 receives the data transmitted from the disaster prevention receiving panel 10 and displays an updated screen based on the received data. In the example of the screen shown in FIG. 4, a threshold lower limit for judging the current value to be abnormal, a threshold upper limit for judging the current value to be abnormal, and a measured value of the current value are displayed for each line number. ing.

  The detecting unit 1002 determines that the difference between the calculated minimum value and the maximum value of the current value is less than a predetermined threshold value, and that the calculated average value is equal to or more than the upper threshold value or equal to or less than the lower threshold value. In this case, it is determined that the current value of the signal line is abnormal, and a decrease in insulation of the signal line is detected. When the detection unit 1002 detects a decrease in the insulation of the signal line, the GUI unit 1005 highlights the measurement value column of the line number at which the decrease in the insulation was detected. Note that the condition that the difference between the calculated minimum value and the maximum value of the current value is smaller than a predetermined threshold value as the condition for determining that the current value is abnormal may not be essential.

  According to the present embodiment, by connecting the external device 6 to the access point 22 or the HUB 23, it is possible to easily check the data of the measurement result of the current flowing through the signal line without going to the disaster prevention receiver 10. .

[Modification]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be implemented in various other forms. For example, the present invention may be implemented by modifying the above-described embodiment as follows. The above-described embodiment and the following modified examples may be combined with each other.

  In the present invention, the LAN port connected to the communication unit 103 may be provided on the outer surface of the housing of the disaster prevention receiver 10 or outside the door of the housing, and the LAN port may be exposed outside the housing. According to this configuration, the external device 6 and the LAN port are connected by the LAN cable, and the external device 6 and the disaster prevention receiver 10 directly communicate with each other without passing through the HUB 23, so that the external device 6 operates the disaster prevention receiver 10 can do. In the present invention, the communication unit 103 may have a wireless communication function, and the external device 6 and the disaster prevention receiver 10 may directly perform wireless communication without passing through the access point 22. According to this configuration, the external device 6 and the disaster prevention receiver 10 can directly operate the disaster prevention receiver 10 by wirelessly communicating with each other.

  In the present invention, when the external device 6 is displaying a screen represented by the data transmitted from the disaster prevention receiving panel 10, the GOT 104 may be configured not to accept a user operation. In the case of this configuration, the external device 6 may display that the disaster prevention receiver 10 is being operated, and the GOT 104 may display that the operation is not possible. Further, in the present invention, it is assumed that a user who operates the GOT 104 of the disaster prevention receiver 10 detects the opening and closing of the door of the disaster prevention receiver 10 and detects that the door of the disaster prevention receiver 10 is opened. The control unit 101 may block access from the external device 6. In this case, the external device 6 may display that the operation of the disaster prevention receiver 10 is not possible.

  In the present invention, the external device 6 that can access the disaster prevention receiver 10 may be registered in the disaster prevention receiver 10 so that only the external device 6 registered in advance can access the disaster prevention receiver 10.

  In the present invention, on / off control of the backlight of the touch panel of the GOT 104 may be performed by operating the screen displayed by the external device 6 based on the data transmitted from the disaster prevention receiver 10.

  In the above-described embodiment, the screen displayed by the disaster prevention receiver 10 of the tunnel can be displayed by the external device 6. For example, the screen is installed in a building such as a building and detects heat and smoke. Also, a fire receiver connected to a transmitter or a transmitter may be configured to transmit screen data displayed by the fire receiver to the external device 6 and display the data on the external device 6.

DESCRIPTION OF SYMBOLS 1 ... Disaster prevention system, 2a, 2b ... Tunnel, 3 ... Communication network, 5 ... Division, 10 ... Disaster prevention receiver, 11a, 11b, 11c, 11d ... Signal line, 21 ... Pump control board, 22 ... Access point, 23 ... HUB, 30 remote control equipment, 31 temperature detector, 32 fire detector, 33 hydrant device, 34 manual notification device, 101 control unit, 102 transmission unit, 103 communication unit, 104 GOT, 105 operation unit, 106 alarm unit, 107 pump control unit, 108 display unit, 109 storage unit, 200 input / output unit, 201a, 201c, 201d signal reception unit, 202a, 202c, 202d measurement circuit , 210: selection unit, 1001: current measurement unit, 1002: detection unit, 1004: monitoring unit, 1005: GUI unit.

Claims (4)

Display means for displaying an image and receiving a user operation on the displayed image;
Communication means for transmitting data representing an image displayed by the display means to an external device;
Has,
The disaster prevention system, wherein the external device receives data transmitted by the communication unit and displays an image represented by the received data. The disaster prevention system according to claim 1, wherein the display unit is provided in a housing with a door. Further provided is a connection means provided so as to be exposed to the outside of the housing, and a cable connected to the external device is connected,
The disaster prevention system according to claim 2, wherein the communication unit transmits the data to the external device via the cable. 4. The display unit according to claim 1, wherein when the external device is displaying an image represented by the data, the display unit does not accept an operation performed on the image displayed by the external device. 5. Disaster prevention system.