JP5489451B2 - Multi-line broadcasting device - Google Patents

Description

  The present invention relates to a multi-line transmission device that distributes and outputs a signal output from a monitoring facility to a plurality of lines.

The monitoring facilities include a fire monitoring facility that monitors the occurrence of a fire and a crime prevention monitoring facility that monitors the intrusion of bandits. These monitoring facilities are provided with a multi-line transfer device as necessary (see, for example, Patent Document 1).
For example, when the multi-line message transfer device 10 connected to the fire monitoring facility receives a representative transfer signal from the fire receiver R of the fire monitoring facility, the signal is sent to the normally open contact 11 of the relay L as shown in FIG. , L2, l3, and l4, the data are output to lines m1, m2, m3, and m4 of a plurality of facilities such as a control panel of an elevator, a control panel of a security device, or a notification device to a monitoring center of a security company.

Japanese Patent Laid-Open No. 7-182575 (FIG. 1)

  Such a multi-line transfer device is usually housed in a case with a lid or door, and the opening of the lid or door is detected by an open / close detector LS such as a limit switch for the purpose of protecting the inside. And when it is opened, the security company is notified.

  By the way, since the output signal of the multi-line transfer device is also used for equipment other than the security company, the person concerned with the equipment to use may open the lid or door, and the security company is notified each time. The security guards are dispatched.

  In addition, since the input signal line from the fire receiver and the output signal line from the multi-line transmission device are basically open during normal times, even if they are disconnected or disconnected, there is no normal signal input. There is no change. For this reason, there is a problem that notification is not performed even if a transfer signal is output from the fire receiver without being aware of being disconnected or disconnected.

  Furthermore, even if the power supply of the multi-line broadcasting device stops due to a power failure or failure, there is no difference from normal times when no signal is input. Therefore, as described above, there is a problem that even if a transfer signal is output from the fire receiver, notification is not performed.

The invention according to claim 1 is a multi-line message transmission device that distributes and outputs a signal output from the monitoring facility to a plurality of lines, and detects disconnection of the line to which the signal output from the monitoring facility is input. An abnormality detecting means for detecting an abnormality of a multi-line broadcasting device comprising a disconnection detector, a selection switch for selecting a specific line from a plurality of lines, and a selection switch selected by the abnormality detecting means when an abnormality is detected. the signal on the particular line Ri feed a predetermined time, and the selection switch of a particular line selected is operated again with the structure in which the timed selection controller to send a signal to the particular line the predetermined time is provided.

The invention according to claim 2 is a multi-line message transfer device that distributes and outputs a signal output from the monitoring facility to a plurality of lines, and the multi-line signal transfer device also stops when the power supplied to the multi-line message transfer device is stopped. An abnormality detection means for detecting an abnormality of the multi-line transfer device comprising a backup power source for securing the power supply to the transfer device, and a power stop detector for detecting a stop of the power supplied to the multi-line transfer device; selection switch and, Ri feed abnormality detecting means for a predetermined time signal to a specific circuit selected by the selection switch and when detecting an abnormality, a specific line of the selected switch selected for selecting a particular line from among a plurality of lines Is operated again, a time selection controller for sending a signal to the specific line for a predetermined time is provided.

According to the configuration of the first aspect of the present invention, there is no notification just by opening the cover or door of the multi-line message transfer device, and the signal output from the monitoring facility is input. An anomaly detecting means for detecting an anomaly of a multi-line broadcasting device comprising a disconnection detector for detecting disconnection, a selection switch for selecting a specific line from a plurality of lines, and the selection when the anomaly detecting means detects an anomaly Ri sending predetermined time signals to a specific line that has been selected by the switch, provided the selection switch of a particular line selected is operated again and the timed selection controller to send a signal to the particular line predetermined time Therefore, it is possible to immediately send a signal to the specific line selected by the selection switch, for example, the line of the security company, for the disconnection of the line that could not be grasped conventionally. This ensures that signals sent from the monitoring facility are not missed and does not cause unnecessary confusion. Further, when the selected specific line is a security company line, and the selection switch is operated again intentionally or mistakenly, a signal can be sent immediately. This also increases the reliability of the multi-line message transmission device.

According to the configuration of claim 2, the backup power supply for securing the power supply to the multi-line message transfer device even when the power supplied to the multi-line message transfer device is stopped, and the multi-line message transfer device are supplied. Anomaly detection means for detecting anomalies in a multi-line broadcasting device consisting of a power outage detector that detects a power outage detected, a selection switch for selecting a specific line from a plurality of lines, and anomaly detection means are abnormal feeding a predetermined time a signal to the particular line which is selected by the selection switch to detect Ri, when the selection switch of a particular line selected is operated again and the timed selection controller sending the particular line to signal a predetermined time Therefore, when a power supply to a multi-line message transmission device that could not be grasped in the past is stopped, a signal is immediately sent to a specific line selected by the selection switch, for example, a security company line. It is possible. This also ensures that the signal sent from the monitoring facility is not missed. Further, when the selected specific line is a security company line, and the selection switch is operated again intentionally or mistakenly, a signal can be sent immediately. This also increases the reliability of the multi-line message transmission device.

  Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the overall configuration of a multi-line message transmission apparatus according to the present invention.

  FIG. 1 shows a case where the multi-line message transmission device 1 according to the present invention is connected to a fire receiver R in a fire monitoring facility. That is, when the transfer relay LR of the fire receiver R is energized, the normally open contact lr is closed. Then, current flows from the power source of the multi-line transfer device 1 to the relay L via the normally open contact lr, and the relay L is energized, and a plurality of normally open contacts l1, l2, l3, and l4 attached thereto are connected. Closed. That is, the normally open contact l1 connected to the line m1 that sends a signal to the control panel of the elevator, the normally open contact l3 connected to the line m3 that sends a signal to the control panel of the security device, or the monitoring center of the security company The normally open contact l2 connected to the line m2 for sending a signal to the notification device is closed and a signal is output. Up to this point, the configuration is the same as that of the conventional multi-line mobile device.

  In addition to the above-described configuration, the multiline transmission device 1 according to the present invention has normally open contacts n1, n2, n3, and n4 connected in parallel to the normally open contacts l1, l2, l3, and l4 of each line. These normally open contacts n1, n2, n3, n4 are controlled by the time limit selection controller G. The time limit selection controller G is provided with selection switches s1, s2, s3, and s4 for each line. When a selection switch of a certain line m is operated, when a detection signal is input from an abnormality detection means described later, The normally open contact n of the line is closed for a predetermined time.

  Here, the selection switches s1, s2, s3, and s4 are held in the time selection controller G so that their operation signals are closed only when operated, and immediately restored to their original positions. To do. In addition, the time selection controller G is provided with a timer T for measuring a predetermined time, and the normally-open contact n opened is returned to the normally-open side when the predetermined time comes by the timer T after closing. . Here, the predetermined time is, for example, a time sufficient for notifying the security company of the occurrence of an abnormality. Further, the time selection controller G is provided with a backup power source BT such as a supercapacitor, and the power can be supplied for a predetermined time even when the power supply is stopped, for example, a time sufficient to notify the security company of the occurrence of an abnormality. It is to be secured.

The multiline transfer device 1 is provided with a disconnection detector LD for detecting a disconnection of the line Rm to which a signal output from the fire receiver R is input, and between the representative transfer output terminals of the fire receiver R. the detection signal a weak current flowing through the connected termination ER (degree of current is not possible to drive the relay L of multi-circuit Utsuriho device) detects the to extinguished by broken line Rm Is sent to the time selection controller G.

  Further, the multi-line message transfer device 1 is provided with a power supply stop detector GD for detecting the stop of the power supplied to the multi-line message transfer device 1, and detects the stop of the power supply and the detection signal is timed. The data is sent to the selection controller G.

  Further, when the selection switch s of the selected specific line m is operated again, the time limit selection controller G closes the normally open contact n of the selected specific line m and sends a signal to the specific line m. Is configured to send for a predetermined time.

Next, a case where an abnormality detection example of the multi-line message transmission device 1 according to the present invention is connected to the fire receiver R of the fire monitoring equipment will be described based on the block diagram of FIG.
That is, in the fire monitoring facility to which the multi-line transfer device 1 according to the present invention is connected, the line m that sends a signal to the reporting device TH to the monitoring center of the security company is the line m2, so the selection switch s2 is operated. Select it.

  When a disconnection occurs in the line Rm to which the signal output from the fire receiver R is input in the state selected and set in this way, the terminator ER connected between the representative transfer output terminals of the fire receiver R is used. The weak current that was flowing is cut off, and this is detected by the break detector LD. When a detection signal is generated in the disconnection detector LD, the time selection controller G closes only the normally open contact n2 selected for reporting to the security company for a predetermined time. As a result, the security company can know that some abnormality has occurred at the site where the fire receiver R is installed.

  Further, when a power failure occurs, a signal is generated in the power stop detector GD connected to the power line, and this signal is output to the time selection controller 1 in which power supply is secured by the backup power source BT such as a super capacitor. . When a detection signal is generated in the power stop detector GD, the time limit selection controller G closes only the normally open contact n2 selected for reporting to the security company for a predetermined time, as in the case of the disconnection. As a result, the security company can know that some abnormality has occurred at the site where the fire receiver R is installed.

  Further, when the selection switch s2 of the selected specific line m2 is operated again, the time selection controller G closes the normally open contact n2 of the selected specific line m2 and sends a signal to the specific line m2. Send it for a predetermined time. This also allows the security company to know that some abnormality has occurred at the site where the fire receiver R is installed.

  A terminator ER is also connected between the output terminals connected to the line m2 for sending a signal to the reporting device TH to the monitoring center of the security company, and a weak current (reporting device) flowing through the terminator ER is connected. It is also possible to detect the disappearance of the current by a disconnection of the line by a disconnection detector provided on the notification device side and report the detection signal to the security company. Good. As a result, similarly to the above, the security company can know that some abnormality has occurred at the site where the fire receiver is installed.

It is a block diagram which shows the whole structure of the multi-line transfer apparatus by this invention. It is a block diagram which shows the example of anomaly detection of the multi-line transfer apparatus by this invention. It is a block diagram which shows the whole structure of the conventional multi-line transfer apparatus.

Explanation of symbols

1 Multi-line transfer device R Fire receiver LR Transfer relay lr Normally open contact L Relay l1, l2, l3, l4 Normally open contact m1, m2, m3, m4 Line s1, s2, s3, s4 Select switch n1, n2 , N3, n4 Normally open contact T Timer G Time limit selection controller LD Disconnection detector ER Terminator GD Power supply stop detector BT Backup power supply TH Notification device

Claims (2)

A multi-line transmission device that distributes and outputs signals output from monitoring equipment to a plurality of lines,
An abnormality detecting means for detecting an abnormality of a multi-line transmission device comprising a disconnection detector for detecting disconnection of a line to which a signal output from the monitoring facility is input, and a specific line is selected from the plurality of lines a selection switch, the abnormality detecting means Ri send a signal a predetermined time to a particular line selected by the selection switch and detects an abnormality, when the switch for selecting the particular line selected is operated again the specific A multi-line transmission device, characterized in that a time selection controller for sending a signal to a line for a predetermined time is provided. A multi-line transmission device that distributes and outputs signals output from monitoring equipment to a plurality of lines,
A backup power source that secures power supply to the multi-line message transfer device even when the power supplied to the multi-line message transfer device is stopped, and a power supply stop detection that detects a stop of the power supply to the multi-line message transfer device An abnormality detecting means for detecting an abnormality of a multi-line broadcasting device comprising a detector; a selection switch for selecting a specific line from the plurality of lines; and when the abnormality detecting means detects an abnormality, the selection switch selects the abnormality. and the signal on a particular line Ri feed a predetermined time, that when the selection switch of the selected the specific line is operated again and the timed selection controller to send a signal to the particular line predetermined time is provided A featured multi-line broadcasting device.

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