JP2018055212A - Disaster prevention reception panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disaster prevention reception panel for enabling an efficient work in accordance with a state of a current monitoring function.SOLUTION: A disaster prevention reception panel is connected to terminal devices installed inside a tunnel and comprises a monitoring control section 21 for performing transmission/reception of information to/from the terminal devices and predetermined control. The terminal devices are connected to a current monitoring device 30. The current monitoring device 30 includes: a current monitoring section 32 for detecting a current value of each terminal device; and a current monitoring display section 33 having a monitor to display a monitoring state of the current monitoring section 32, and is in any one of multiple operation states. The monitoring control section 21 and the current monitoring device 30 are stored inside a housing having a front door being openable with respect to a housing main body. The housing includes an opening/closing detection section 38 for detecting an opening/closing state of the front door. The monitor can change over multiple kinds of screen displaying, so as to perform screen displaying corresponding to an operation state of the current monitoring device 30 when the opening of the front door is detected by the opening/closing detection section 38.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a disaster prevention receiving board that receives a signal from a terminal device such as a fire hydrant installed in a tunnel and monitors a failure of each terminal device.

  In a tunnel such as an automobile exclusive road, various devices for a fire that occurs in the tunnel are installed. Examples of such devices include a fire reporting device, an emergency telephone, and a fire hydrant device that report a fire. In order to monitor and control these as terminal devices, a disaster prevention receiving board is provided. The disaster prevention receiving board is connected to each terminal device via a transmission line in order to monitor and control a plurality of terminal devices.

  As such a disaster prevention receiving board connected to the terminal device in the tunnel as described above, there is, for example, one described in Patent Document 1.

Japanese Patent Laid-Open No. 2006-103959

  A plurality of terminal devices in the tunnel are provided along the length direction of the tunnel, and each of them must operate reliably when an abnormality such as a fire occurs. For this reason, it is necessary to monitor whether each terminal device is operating normally. As a method for monitoring the operating state of a terminal device, a method is known in which a current flowing through each terminal device is periodically measured to determine whether or not the current value is within a predetermined range.

  The current monitoring system for monitoring the secular change of the outside line is configured as a function different from the disaster prevention monitoring system due to its nature. For this reason, it is normal that a current monitoring board connected to each terminal device is provided separately from the disaster prevention receiving board for the current monitoring system.

  However, if the current monitoring board is installed in a place different from the disaster prevention receiving board, it is necessary to work in each place when operating or maintaining each board, and there is a problem that work efficiency is poor. is there. Therefore, it is conceivable to integrate the disaster prevention receiving board with the function of a current monitoring board.

  In the current monitoring panel, abnormality detection is performed by automatic measurement performed every predetermined time or manual measurement performed at an arbitrary timing by operation of the current monitoring panel. The current monitoring panel includes a display unit having a monitor, and the monitor can switch a screen for automatic measurement, a screen for manual measurement, a screen for displaying a history of detected abnormality, and the like. The current monitoring panel also has an operation unit that performs various operations in each state, and can be operated while looking at the monitor. Although it is possible to display information and perform various operations in the current monitoring function simply by integrating the disaster monitoring receiver board with the current monitoring panel function, it is desirable that the current monitoring function can be operated more efficiently. ing.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a disaster prevention receiving panel that enables efficient work according to the state of the current monitoring function.

In order to solve the above-mentioned problem, the disaster prevention receiver according to the invention of claim 1 is a disaster prevention receiver that is connected to a terminal device installed in a tunnel by a transmission line,
It has a housing with a front door that can be opened and closed with respect to the housing body,
The case includes a disaster prevention monitoring device having a monitoring control unit that performs transmission and reception of information and predetermined control with the terminal device via the transmission line, and a current monitoring device that measures current of the terminal device. ,
The current monitoring device includes a current monitoring unit that detects a current value of the terminal device, a current monitoring display unit that includes a monitor that displays a monitoring state of the current monitoring unit, and an open / close that detects an open / closed state of the front door And having a detection unit and being in one of a plurality of operating states,
The monitor can switch a plurality of screen displays, and when the open / close detection unit detects that the front door is opened, the monitor displays a screen according to the operating state of the current monitoring device. It is configured as a feature.

  According to the first aspect of the invention, since the display screen when the front door is opened can be changed according to the state of the current monitoring device, the optimal screen for each state can be displayed from the beginning. Can quickly grasp the situation.

  Further, the disaster prevention receiving board according to the invention of claim 2 is characterized in that the monitor comprises a touch panel.

  According to the second aspect of the invention, necessary operations can be performed immediately on the screen displayed in accordance with the state of the current monitoring device, and work efficiency can be improved.

Furthermore, in the disaster prevention receiver according to the invention of claim 3, the plurality of screen displays of the monitor includes at least a display screen of an abnormality detection history,
When the opening / closing detection unit detects that the front door has been opened, the abnormality monitoring history display screen is displayed on the monitor when an abnormality of the terminal device has been detected by the current monitoring device before that time. It is configured as a feature.

  According to the invention of claim 3, when an abnormality of the terminal device is detected by the current monitoring device, it is possible to immediately recognize that the abnormality has been detected, and it is possible to immediately confirm the history, thereby improving work efficiency. Can be improved.

Furthermore, in the disaster prevention receiver according to the invention of claim 4, the plurality of screen displays of the monitor includes at least an automatic measurement status display screen,
When the opening / closing detection unit detects that the front door is opened, the automatic measurement status display screen is displayed on the monitor when the current monitoring device is performing automatic measurement. It is configured.

  According to the invention of claim 4, it is possible to immediately recognize that automatic measurement is in progress, and it is possible to immediately check the status of automatic measurement and perform necessary operations, thereby improving work efficiency. .

And the disaster prevention receiving board which concerns on invention of Claim 5 WHEREIN: The several screen display of the said monitor contains the display screen of a measurement history at least,
If it is detected by the open / close detection unit that the front door has been opened, an abnormality of the terminal device has not been detected by the current monitoring device before, and the current monitoring device is not being automatically measured. The measurement history display screen is displayed on the monitor.

  According to the invention which concerns on Claim 5, when abnormality is not detected, the measurement log | history until then can be confirmed immediately, and the efficiency of work can be improved.

  According to the disaster prevention receiving board according to the present invention, it is possible to perform efficient work according to the state of the current monitoring function.

It is an outline figure of a tunnel disaster prevention system which has a disaster prevention receiving board of this embodiment. It is a block diagram of a disaster prevention monitoring device. It is a block diagram of a current monitoring device. It is a front view of a disaster prevention receiving board. It is a side view of a disaster prevention receiving board. It is a front view of the housing | casing which opened the front door. It is a screen display of the current value automatic measurement status. It is a screen display of abnormality history. It is a screen display of a measurement history. It is a screen display flowchart of a touch panel.

  Embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, the schematic diagram of the tunnel disaster prevention system which has the disaster prevention receiving board 1 of this embodiment is shown. As shown in this figure, the tunnel disaster prevention system is applied to a tunnel on a motorway. The tunnel is composed of an upstream tunnel A and a downstream tunnel B.

  Fire hydrants 10 are arranged at predetermined intervals on the inner wall surfaces of the upstream tunnel A and the downstream tunnel B. The fire hydrant 10 houses a hose with a nozzle inside the fire hydrant door. In the event of a fire, the fire hydrant door is opened, the hose with a nozzle is pulled out, the lever is opened, and fire water is discharged. When the switch 11 is turned on, the fire extinguishing pump facility 4 is activated. The fire hydrant 10 also has a transmitter 12 that can report the occurrence of a fire. As emergency equipment in the tunnel, in addition to the fire hydrant 10, a fire detector, an automatic valve device, a temperature detector in the duct, and the like are provided, but the illustration is omitted.

  The fire hydrant valve opening / closing detection switch 11 and the transmitter 12 are connected to the disaster prevention receiving board 1 by a transmission line 2. The transmission line 2 transmits information when a fire occurs between the fire hydrant valve opening / closing detection switch 11 and the transmitter 12 and the disaster prevention receiving panel 1 which are terminal devices. From the disaster prevention receiving board 1, P-type transmission lines 2-1 to 2-n are drawn for each predetermined section divided in the longitudinal direction of the tunnel, and a plurality of fire hydrant valve opening / closing detection switches 11 provided for each section and The transmitter 12 is connected. Note that the transmission lines 2-1 to 2-n are simply referred to as transmission lines 2 when it is not necessary to distinguish them.

  The disaster prevention receiving board 1 is connected to a fire pump facility 4 that supplies water to the fire hydrant 10. In any hydrant 10, when the hydrant valve opening / closing detection switch 11 is turned on, the information is transmitted to the disaster prevention receiver 1 via the transmission line 2, and the disaster prevention receiver 1 that has received the information Fire extinguishing pump equipment 4 is started.

  The disaster prevention receiving board 1 is also connected to an external communication line 5. The communication line 5 is connected to a monitoring room or the like provided at a remote place, and is used for transmission / reception of information such as the occurrence of a fire or a telephone call.

  The disaster prevention receiving board 1 of this embodiment has both the disaster monitoring apparatus 20 which has a disaster prevention receiving function, and the current monitoring apparatus 30 which has a current monitoring function. These have functions independent of each other, but are partly linked. FIG. 2 shows a block diagram of the disaster prevention monitoring device 20, and FIG. 3 shows a block diagram of the current monitoring device 30. As shown in FIG. 2, the disaster prevention monitoring device 20 includes a monitoring control unit 21 that performs transmission / reception of information with a terminal device and predetermined control, and the monitoring control unit 21 is connected via a transmission line 2 by a transmission unit 22. It can communicate with terminal equipment.

  The disaster prevention monitoring device 20 includes a disaster prevention operation display unit 23, a sound generation unit 24, a call unit 25, a communication unit 26, and a printing unit 27 that are connected to the monitoring control unit 21. The disaster prevention operation display unit 23 can display the monitoring state of the terminal device in the disaster prevention monitoring device 20 and can perform an operation related to the monitoring of the terminal device. The call unit 25 can make a call with an emergency telephone in the tunnel. The communication unit 26 can communicate with the outside, and the communication line 5 is connected. The printing unit 27 can print the operation record of the disaster prevention monitoring device 20 on paper and output it. Note that the printing unit 27 is not necessarily provided.

  In order to cooperate with the current monitoring device 30, a current monitoring control unit 31 and a current monitoring unit 32 provided in the current monitoring device 30 are connected to the monitoring control unit 21.

  The supervisory control unit 21 performs an alarm operation when a signal notifying the occurrence of a fire is received from any of the terminal devices connected by the transmission line 2. In the alarm operation, the monitoring control unit 21 displays the occurrence of fire on the disaster prevention operation display unit 23 and causes the sound generation unit 24 to generate an alarm. In addition, the monitoring control unit 21 causes the communication unit 26 to transmit a fire occurrence signal to the outside via the communication line 5.

  As shown in FIG. 3, the current monitoring device 30 is connected to the transmission line 2 at the time of current measurement, current monitoring unit 32 that measures the current value of each terminal device, current monitoring control and current occurrence in the current monitoring unit 32 And a current monitoring control unit 31 for controlling time and the like. The current monitoring control unit 31 includes a current monitoring display unit 33 that displays a monitoring state in the current monitoring unit 32, an operation unit 34 that performs an operation related to current monitoring, a second display unit 35 that displays a current monitoring state, A storage unit 36 that stores the history of the current monitoring result and an open / close detection unit 38 that detects the open / closed state of the front door 42 of the housing 40 of the disaster prevention receiver are connected. The open / close detection unit 38 includes a switch or the like provided at a position where the front door 42 comes into contact with or separates from the opening / closing. Further, as described above, the current monitoring control unit 31 and the current monitoring unit 32 are connected to the monitoring control unit 21 of the disaster prevention monitoring device 20.

  The current monitoring control unit 31 causes the current monitoring unit 32 to measure the current value of the terminal device connected to the transmission line 2 periodically or at a timing supported by the operation unit 34. The current value of each terminal device measured by the current monitoring unit 32 is stored in the storage unit 36. As a result of the measurement, if the current value is not within the predetermined range in any of the terminal devices, the current monitoring control unit 31 causes the second display unit 35 disposed outside the disaster prevention receiving panel 1 to display an abnormality occurrence. . In addition, the current monitoring display unit 33 arranged inside the disaster prevention receiving board 1 is turned on when the disaster prevention receiving board 1 is opened, and displays information such as a history of current value measurement and occurrence of an abnormality.

  FIG. 4 shows a front view of the disaster prevention receiving board 1, and FIG. 5 shows a side view of the disaster prevention receiving board 1. The disaster prevention receiving board 1 has a substantially box-shaped casing 40, and the respective configurations of the disaster prevention monitoring device 20 and the current monitoring device 30 are arranged inside and outside thereof. The housing 40 is configured to have a front door 42 that can be opened and closed on the front surface side of the housing body 41 and a rear door 43 that can be opened and closed on the rear surface side.

  On the front surface 42a of the front door 42, a graphic panel 50 is disposed at the top, a collective indicator lamp 51 is disposed at the upper center, and an operation unit 52 is disposed at the lower center. The graphic panel 50 displays an alarm state in each terminal device, and an LED is provided for each terminal device, and the LED corresponding to the terminal device that has issued the alarm is lit. In FIG. 4, the display of the graphic panel 50 is omitted. The graphic panel 50 corresponds to a disaster prevention operation display unit in the disaster prevention monitoring apparatus 20 shown in FIG. Note that the graphic panel 50 is not limited to the one in which the LEDs are arranged, and may be an LCD.

  The collective indicator lamp 51 includes a plurality of indicator lamps arranged in a matrix. The power supply of the disaster prevention receiving panel 1 is turned on and off, the current monitoring measurement state in the current monitoring device 30, the usage state of the communication unit 25, and the disaster prevention. It is possible to display the failure occurrence state of the receiving board 1, the abnormal state of the current value in the terminal device, and the like. The display of the collective indicator lamp 51 includes both those relating to the disaster prevention monitoring device 20 and those relating to the current monitoring device 30. That is, the collective indicator lamp 51 corresponds to the disaster prevention operation display unit 23 in the disaster prevention monitoring device 20 shown in FIG. 2, and includes the second display unit 35 in the current monitoring device 30 shown in FIG. 3. .

  The operation unit 52 includes a switch for testing a device for each monitored tunnel, a call unit 25, a switch for operating the call unit 25, and the like.

  An acoustic hole 54 is formed in the lower portion of the front door 42 for transmitting sound emitted from the acoustic generator 24 of the disaster prevention monitoring device 20. Further, the front door 42 is provided with a handle 42 c used to open and close the front door 42 on the side of the operation unit 52.

  As shown in FIG. 5, an intermediate plate 60 for arranging parts of the disaster prevention monitoring device 20 and the current monitoring device 30 is provided inside the housing 40, and a base portion 63 is provided on the front side of the central region. A touch panel 66 serving as a monitor is provided on the front surface of the base portion 63. The touch panel 66 can perform a touch operation together with the screen display, and corresponds to the current monitoring display unit 33 and the operation unit 34 of the current monitoring device 30.

  FIG. 6 shows a front view of the housing 40 with the front door 42 opened. Inside the housing 40, the touch panel 66 is arranged so as to be exposed on the front side, and the disaster monitoring configuration unit 61 which is a part constituting the disaster monitoring device 20 and the current monitoring device 30 are configured. A current monitoring component 62, which is a component, is arranged.

  The touch panel 66 is attached to an attachment plate 65 having an opening at the center. The mounting plate 65 has a hinge part 64a on one side, and a part closer to the touch panel 66 than the hinge part 64a is an opening / closing part 64 that can be opened and closed in the front-rear direction. The opening / closing part 64 is fixed so that it cannot be opened and closed when the disaster prevention receiving board 1 is used. Since the touch panel 66 is attached to the attachment plate 65 having an opening, the touch panel 66 can be easily replaced. In particular, even if the specifications of the touch panel 66 are changed, only the touch panel 66 can be replaced if the screen size matches, so that future maintainability can be improved.

  Moreover, since the touch panel 66 is provided in the opening / closing part 64 that can be opened and closed via the hinge part 61, the touch panel 66 is opened by opening the opening / closing part 64 when the disaster prevention receiving panel 1 is installed or when the touch panel 66 is replaced. Wiring work can be facilitated.

  The touch panel 66 that is the current monitoring display unit 33 and the operation unit 34 is arranged at a position that falls within the height range of the collective indicator lamp 51 and the operation unit 52 provided on the front door 42 in the height direction of the housing 40. Yes. That is, the touch panel 66 is disposed within the height range of the disaster prevention operation display unit 23 of the disaster prevention monitoring device 20 including the call unit 25.

  When the front door 42 of the housing 40 is opened for maintenance or the like, information is displayed on the touch panel 66, and various operations can be performed by touching the touch panel 66. In addition, when confirming and operating information on the touch panel 66, the display of the disaster prevention operation display unit 23 arranged on the front surface 42a of the front door 42 may be confirmed together. In the present embodiment, the touch panel 66 is exposed to the front side in a state where the front door 42 of the housing 40 is opened, and is disposed within the height range of the disaster prevention operation display unit 23. While referring to the 42a side, it is easy to operate while looking at the screen display of the touch panel 66. In particular, since the call unit 25 is included in the operation unit 34 on the front surface 42a side of the front door 42, a call can be made on the call unit 25 while operating the touch panel 66, and maintenance work efficiency is improved. Can do.

  Next, screen display on the monitor will be described. On the touch panel 66 which is a monitor, a plurality of screen displays can be switched and displayed. The screen display that can be switched includes an automatic measurement status display screen, a manual measurement status display screen, a measurement history display screen, an abnormality history display screen, and a system setting display screen. FIG. 7 shows a screen display of the current value automatic measurement status. A screen switching menu 70 is displayed at the bottom of the screen. The plurality of display screens described above can be switched by a touch operation on the screen switching menu 70. In FIG. 7, “automatic measurement” at the left end of the screen switching menu 70 is selected.

  On the right side of the screen, an operation menu 72 in which buttons for performing operations related to automatic measurement are arranged is displayed. At the top of the screen, there is a title portion 71 for displaying the screen title. The arrangement of the title part 71 and the screen switching menu 70 is common to each screen displayed on the touch panel 66.

  The central portion of the automatic measurement screen is an automatic measurement result display unit 73 that displays a list of current values measured in each terminal device and lower and upper limit values of current values set in each terminal device. In the automatic measurement result display unit 73, a unique number is assigned to each terminal device, and the background color changes in the column of the number of the terminal device being measured. Thereby, it is possible to visually recognize which terminal device is currently being measured. In FIG. It can be seen that the background color in the column 003 has changed, and that the terminal device is being measured. Further, as a result of the measurement, for a terminal device whose current value is not between the lower limit value and the upper limit value, that is, for a terminal device in which an abnormality has been detected, the background color of the measurement value column changes. This makes it possible to quickly find an abnormal measurement value. In FIG. Since the measured value of 002 is 1.85, which is larger than the upper limit value of 1.00, the background color of the column has changed.

  The screen for the manual measurement status of the current value is almost the same as the screen for the automatic measurement status, and is not shown here.

  FIG. 8 shows a screen display of the abnormality history. A screen switching menu 70 is displayed at the bottom of the screen. On the right side of the screen, an operation menu 74 in which buttons for switching pages, operation buttons for abnormal history information, buttons for saving history information, and the like are arranged. At the top of the screen, there is a title portion 71 for displaying the screen title.

  The central part of the abnormality history screen is an abnormality history display unit 75 that displays only the history in which an abnormality is detected among the current values of the terminal devices measured so far, in order from the history with the newest occurrence date and time. The information displayed on the abnormality history display unit 74 is the date and time of occurrence of the abnormality, the content of the abnormality, and the date and time when the recovery from the abnormality was confirmed.

  In the abnormality history display unit 74, the abnormality history is displayed in different colors. Color coding is performed by changing the background color. Among the detected abnormalities, the background color is red for the severe one, the background color is yellow for the medium, and the background color is unchanged (white or light blue) for the mild one. In FIG. 8, the difference in background color is represented by the presence and type of shading in each column. Color coding is not limited to this example, and other colors may be used. Since the background of the abnormality history is color-coded according to the degree of abnormality, it is possible to intuitively grasp the occurrence of abnormality in the terminal device and improve work efficiency during maintenance.

  FIG. 9 shows a screen display of the measurement history. The measurement history screen is substantially the same as the abnormality history screen, and includes a screen switching menu 70, an operation menu 76, a title portion 71, and a measurement history display portion 77. The measurement history display unit 77 displays a list of the date and time of measurement of the current of the terminal device, the measurement contents, the measurement value, and the determination result in order of date and time.

  The touch panel 66 is turned off when the front door 42 of the housing 40 is closed, and turns on and displays information when the open / close detection unit 38 detects that the front door 42 is opened. At this time, which of the plurality of screens is displayed on the touch panel 66 is determined by the state of the current monitoring device 30 when the front door 42 is opened.

  The operating state of the current monitoring device 30 includes a normal standby state (first state), a state during regular automatic measurement (second state), and a manual measurement performed at an arbitrary timing. There are a state (third state) and a state after any abnormality is detected in any of the terminal devices by current measurement (fourth state). In each state, when the front door 42 is opened, the touch panel 66 displays different screens.

  FIG. 10 shows a screen display flowchart of the touch panel 66. In this flow, the current monitoring control unit 31 waits until the front door 42 is opened by the open / close detection unit 38 (S1).

  When the open / close detection unit 38 detects that the front door 42 has been opened, the current monitoring control unit 31 determines whether or not the current monitoring device 30 is in the fourth state (S2). The fourth state is a state after an abnormality is detected in any of the terminal devices by current measurement as described above. When the current monitoring device 30 is in the fourth state in S2, the current monitoring control unit 31 causes the touch panel 66 to display the abnormality history screen of FIG. 8 (S3). In the case of the fourth state, since an abnormality has already been detected in one of the terminal devices, the operator who opens the front door 42 immediately confirms the abnormality detection history in the terminal device and responds to the abnormality detection. The operation can be performed.

  If the current monitoring device 30 is not in the fourth state in S2, then the current monitoring control unit 31 determines whether or not the current monitoring device 30 is in the third state (S4). The third state is a state during manual measurement as described above. When the current monitoring device 30 is in the state of manual measurement in S4, the current monitoring control unit 31 displays a manual measurement status screen on the touch panel 66 (S5). Since the third state is a state during manual measurement, the operator who opened the front door 42 can immediately confirm the manual measurement state and perform operations as necessary.

  If the current monitoring device 30 is not in the third state in S4, then the current monitoring control unit 31 determines whether or not the current monitoring device 30 is in the second state (S6). The second state is a state during automatic measurement as described above. When the current monitoring device 30 is in the state of automatic measurement in S6, the current monitoring control unit 31 displays the automatic measurement status screen of FIG. 7 on the touch panel 66 (S7). Since the second state is a state during automatic measurement, the operator who opened the front door 42 can immediately check the automatic measurement state and perform an operation as necessary.

  If the current monitoring device 30 is not in the second state in S6, the current monitoring device 30 is in the first state, that is, the normal standby state. In this case, the current monitoring control unit 31 displays the measurement history screen of FIG. 9 on the touch panel 66 (S8). Thereby, the operator who opened the front door 42 can immediately confirm the information about the current measurement of the terminal device.

  In this way, by changing the display screen of the touch panel 66 when the front door 42 is opened according to the state of the current monitoring device 30, it is possible to display an optimal screen for each state from the beginning. Since the situation can be quickly grasped and the operation corresponding to the situation can be performed on the touch panel 66, the work efficiency can be improved.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea. For example, the plurality of operation states of the current monitoring device 30 described in the above-described embodiment and the plurality of screen displays displayed on the touch panel 66 are merely examples, and other operation states in the current monitoring device 30 and corresponding to them. There may be another screen display on the touch panel 66.

A Uplink tunnel B Downlink tunnel C Evacuation contact 1 Disaster prevention reception board 2 Transmission line 4 Fire pump equipment 5 Communication line 10 Fire hydrant 11 Fire hydrant valve open / close detection switch 12 Transmitter 20 Disaster prevention monitoring device 21 Monitoring control unit 22 Transmission unit 23 Disaster prevention Operation display unit 24 Sound generation unit 25 Communication unit 26 Communication unit 27 Printing unit 30 Current monitoring device 31 Current monitoring control unit 32 Current monitoring unit 33 Current monitoring display unit 34 Operation unit 35 Second display unit 36 Storage unit 38 Opening / closing detection unit 40 Housing 41 Front door 42 Rear door 50 Graphic panel 51 Collective indicator lamp 52 Operation part 53 Calling part 54 Sound hole 60 Intermediate plate 61 Disaster prevention monitoring part 62 Current monitoring part 63 Base part 64 Opening and closing part 65 Mounting plate 66 Touch panel

Claims (5)

It is a disaster prevention receiver that is connected to the terminal equipment installed in the tunnel via a transmission line,
It has a housing with a front door that can be opened and closed with respect to the housing body,
The case includes a disaster prevention monitoring device having a monitoring control unit that performs transmission and reception of information and predetermined control with the terminal device via the transmission line, and a current monitoring device that measures current of the terminal device. ,
The current monitoring device includes a current monitoring unit that detects a current value of the terminal device, a current monitoring display unit that includes a monitor that displays a monitoring state of the current monitoring unit, and an open / close that detects an open / closed state of the front door And having a detection unit and being in one of a plurality of operating states,
The monitor can switch a plurality of screen displays, and when the open / close detection unit detects that the front door is opened, the monitor displays a screen according to the operating state of the current monitoring device. Disaster prevention reception board characterized by.   The disaster prevention receiving board according to claim 1, wherein the monitor is a touch panel. The plurality of screen displays of the monitor includes at least an abnormality detection history display screen,
When the opening / closing detection unit detects that the front door has been opened, the abnormality monitoring history display screen is displayed on the monitor when an abnormality of the terminal device has been detected by the current monitoring device before that time. The disaster prevention receiving board according to claim 1 or 2, wherein The plurality of screen displays of the monitor includes at least an automatic measurement status display screen,
When the open / close detection unit detects that the front door is opened, the automatic measurement status display screen is displayed on the monitor when the current monitoring device is performing automatic measurement. The disaster prevention receiving board according to any one of claims 1 to 3. The plurality of screen displays of the monitor includes at least a display screen of measurement history,
If it is detected by the open / close detection unit that the front door has been opened, an abnormality of the terminal device has not been detected by the current monitoring device before, and the current monitoring device is not being automatically measured. The disaster prevention receiving board according to any one of claims 1 to 4, wherein a display screen of the measurement history is displayed on the monitor.

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