JP2014070330A - Vacuum valve unit monitoring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of signal lines through which a vacuum valve unit monitoring device outputs a notification signal for notifying occurrence of abnormality in a vacuum valve unit to a subsequent stage.SOLUTION: A plurality of sensors installed for a plurality of vacuum valve units respectively detect detection targets different from each other and output sensor signals, respectively. A vacuum valve unit monitoring device outputs signals for indicating vacuum valve unit equipped with sensors outputting abnormality-indicating sensor signals from individual signal lines respectively, and outputs signals for indicating the kinds of detection targets of the sensor outputting abnormality-indicating sensor signals from individual signal lines respectively. When there is an abnormality-indicating sensor signal, the vacuum valve unit monitoring device outputs the signal from a signal line selected so as to indicate a vacuum valve unit having the sensor outputting this sensor signal, and outputs the signal from a signal line selected so as to indicate the kind of the detection target of the sensor outputting this signal.

Description

  The present invention relates to a vacuum valve unit monitoring device.

  A vacuum sewer system is known as a sewer system. In a vacuum sewer system, for example, sewage discharged from buildings such as ordinary households is temporarily stored in a sewage tank in a vacuum valve unit, and the stored sewage is generated at a vacuum station (negative pressure). ) And transport to a vacuum station.

  In such a vacuum valve unit of a vacuum sewer system, an abnormality may occur in the vacuum valve unit due to, for example, a failure of the vacuum valve. When an abnormality occurs in this way, it is required to detect this as quickly as possible and notify the administrator, for example.

  Therefore, a valve sensor that detects the opening and closing of the vacuum valve of the vacuum valve unit and a pressure sensor that detects the vacuum station pressure of the vacuum valve are installed, and a vacuum valve abnormality or vacuum is detected based on the output of these valve sensor and pressure sensor. A monitoring device for determining a sewer pipe abnormality is known (see, for example, Patent Document 1).

JP 10-159169 A

When notifying the occurrence of abnormality from the monitoring device to the subsequent reporting device, a configuration is adopted in which the monitoring device and the reporting device are connected by a plurality of signal lines associated with each sensor signal input by the monitoring device. There is a case. In the case of this configuration, the monitoring device outputs a notification signal to the signal line associated with the sensor signal indicating that an abnormality has occurred among the input sensor signals.
The reporting device recognizes in which vacuum valve unit an abnormality has occurred in which vacuum valve unit, based on which terminal to which the notification signal is input among the terminals to which the signal line is connected. Then, an abnormality occurrence notification reflecting the recognition result is transmitted to, for example, an administrator's terminal.

In such a configuration, the number of signal lines between the monitoring device and the notification device is, for example, the number obtained by multiplying the number of vacuum valve units by the number of sensors for different detection targets provided for each vacuum valve unit. It becomes.
However, since there are a large number of vacuum valve units that are actually monitored by the monitoring device as described above, the number of signal lines between the actual monitoring device and the notification device also increases to a considerable number. End up. Such an increase in signal lines leads to an increase in the number of notification signal input terminals in the notification device, for example. For this reason, the cost of the reporting device is increased and the size of hardware parts is increased. In addition, the notification device is composed of, for example, a sequencer, but this sequencer is also complicated.

  The present invention has been made in view of such circumstances, and a signal for outputting a notification signal to a subsequent stage by a vacuum valve unit monitoring device that monitors a plurality of vacuum valve units to notify the occurrence of an abnormality in the vacuum valve unit. The purpose is to reduce the number of lines.

  In order to solve the above-described problem, one aspect of the vacuum valve unit monitoring device of the present invention is a vacuum valve in a sewer system that transports sewage stored in each of a plurality of vacuum valve units to a vacuum station via a vacuum sewer pipe. A unit monitoring device, wherein a plurality of sensors provided for each of the plurality of vacuum valve units detect a different detection target and input a sensor signal, and input by the signal input unit The determination part which determines whether there exists an abnormality instruction | indication sensor signal which shows that the detection target is abnormal among the performed sensor signals, and a vacuum valve unit provided with the sensor which output the said abnormality instruction sensor signal is shown. A signal is output using a plurality of signal lines for notifying the vacuum valve unit, and the type of detection target of the sensor that has output the abnormality indication sensor signal A signal output unit that outputs a signal indicating the detection target type using a signal line for notification, and the abnormality instruction sensor signal is output in response to the determination unit determining that there is an abnormality instruction sensor signal The detection target type selected to output the signal from the signal line for notification of the vacuum valve unit selected to indicate the vacuum valve unit including the sensor and to indicate the type of detection target of the sensor that has output the abnormality indication sensor signal A signal output control unit that controls the signal output unit to output a signal from the signal line for notification.

  Further, in the vacuum valve unit monitoring device of the present invention, the signal output unit outputs a signal for indicating a vacuum valve unit including a sensor that outputs the abnormality indication sensor signal to each of the plurality of vacuum valve units. A signal line for notifying a detection target type corresponding to each type of detection target, a signal for indicating the type of the detection target of the sensor that has output the abnormality indication sensor signal separately from the signal line for unit notification The signal output control unit outputs a vacuum corresponding to a vacuum valve unit including a sensor that outputs the abnormality indication sensor signal when the determination unit determines that there is an abnormality indication sensor signal. Select the signal line for valve unit notification, and notify the detection target type corresponding to the detection target type of the sensor that has output the abnormality indication sensor signal. May be selected a signal line.

  As described above, according to the present invention, the number of signal lines for the vacuum valve unit monitoring device that monitors a plurality of vacuum valve units to output a notification signal that notifies the occurrence of an abnormality of the vacuum valve unit to the subsequent stage. The effect of reduction is obtained.

It is a figure which shows the structural example of the sewer system in this embodiment. It is a figure which shows the general structural example about the input of the sensor signal in a control panel, and the output of a notification signal. It is a figure which shows the structural example of the control panel in this embodiment. It is a figure which shows the example of a procedure which the control panel in this embodiment performs.

FIG. 1 shows a configuration example of a sewer system in an embodiment of the present invention. The sewer system in this embodiment is said to be a vacuum type that conveys sewage stored in each of a plurality of vacuum valve units to a vacuum station via a vacuum sewage pipe.
The sewer system in the present embodiment corresponds to a plurality of houses 10 as shown in FIG.
For example, the vacuum valve unit 11 is installed in the vicinity of the house 10 (or may be a commercial facility or a public facility). The vacuum valve unit 11 is connected to one or a plurality of houses 10 via a natural downflow pipe 21 in the ground. The vacuum valve unit 11 and the water collection tank 41 in the vacuum station 40 are connected by a vacuum sewage pipe 22.
The vacuum valve unit 11 includes a sewage tank for storing sewage and a vacuum valve connected to the vacuum sewage pipe 22.

  Waste water (sewage) discharged from the house 10 passes through the natural flow down pipe 21 and flows into the waste water in the vacuum valve unit 11 and is stored here. The sewage stored in the sewage is passed through the vacuum sewage pipe 22 by the vacuum pressure (pressure lower than the atmospheric pressure) generated in the vacuum station 40 and becomes a gas-liquid mixed flow, and the water collection tank of the vacuum station 40 Up to 41.

  The vacuum station 40 collects the sewage stored in each of the vacuum valve units 11 by a vacuum pump system, and then supplies the collected sewage to, for example, the public sewer 23. For this purpose, the vacuum station 40 includes a water collection tank 41, a vacuum pump 42 and a pressure feed pump 43.

The vacuum pump 42 generates vacuum pressure in the vacuum sewage pipe 22 connected to the water collection tank 41 by sucking the air in the sealed water collection tank 41. For example, the vacuum pump 42 places the vacuum sewage pipe 22 in a vacuum state of about 0.4 atm. Thereby, the sewage stored in each vacuum valve unit 11 is sucked and flows into the water collection tank 41.
The sewage stored in the water collection tank 41 in this way is discharged, for example, to the public sewer 23 by the pressure pump 43.

  Moreover, the vacuum station 40 monitors whether or not an abnormality has occurred in each of the plurality of vacuum valve units 11 in the sewer system. For this purpose, the vacuum station 40 includes a control panel 100 and a notification device 200.

Here, each of the plurality of vacuum valve units 11 in the sewer system includes a valve sensor 12-1 and a water level sensor 12-2.
The valve sensor 12-1 is a sensor that detects the open / close state of the vacuum valve (whether it is opened or closed) in the vacuum valve unit 11 as a detection target. For example, the valve sensor 12-1 outputs a “Hi” sensor signal when detecting that the vacuum valve is in a closed state, and “Low” when detecting that the vacuum valve is in an open state. The sensor signal is output.

The water level sensor 12-2 is a sensor that detects the level of sewage water in the vacuum valve unit 11 as a detection target. The water level sensor 12-2 outputs a sensor signal of “Hi” when it detects that the water level of the sewage basin is above a certain level, and when it detects that the water level of the sewage basin is below a certain level, A sensor signal of “Low” is output.
Each sensor signal of the valve sensor 12-1 and the water level sensor 12-2 provided in each vacuum valve unit 11 is input to the control panel 100 via the transmission line network 30.
Hereinafter, the valve sensor 12-1 and the water level sensor 12-2 will be referred to as the sensor 12 when it is not necessary to distinguish between them.

  The control panel 100 monitors the sensor signals of the valve sensor 12-1 and the water level sensor 12-2 provided for each vacuum valve unit 11. As a result, the control panel 100 determines whether or not an abnormality in the open / closed state of the valve and an abnormality in the water level of the sewage sewage are occurring in each vacuum valve unit 11. When an abnormality occurs, the notification device 200 outputs a notification signal indicating the vacuum valve unit 11 in which the abnormality has occurred and whether the occurrence of the abnormality is in the open / closed state of the valve or the water level. To do.

  In accordance with the input notification signal, the notification device 200 notifies the administrator of the vacuum valve unit 11 in which an abnormality has occurred and a notification indicating that the abnormality is related to the open / close state of the vacuum valve or the level of sewage water. Do. As an example, the reporting device 200 creates a mail for reporting, for example, and transmits the created mail to the administrator's mail address. In addition, the mobile phone number registered in advance is called, and a voice message for notification is transmitted as transmitted voice.

FIG. 2 shows a typical configuration example of sensor signal input and notification signal output in the control panel 100.
The transmission line network 30 shown in FIG. 1 is a transmission line network including signal lines corresponding to the sensor signals of the valve sensor 12-1 and the water level sensor 12-2 of each vacuum valve unit 11. In response to this, the control panel 100 individually inputs the sensor signals of the valve sensor 12-1 and the water level sensor 12-2 of each vacuum valve unit 11.

FIG. 2 shows an example in which 100 vacuum valve units 11 are provided in the sewer system. These 100 vacuum valve units 11 are assigned unit numbers # 1 to # 100, respectively.
The sensor signal Sv # 1 is a sensor signal output from the valve sensor 12-1 provided in the vacuum valve unit 11 having the unit number # 1. The sensor signal Sw # 1 is a sensor signal output from the water level sensor 12-2 provided in the vacuum valve unit 11 having the same unit number # 1.
Similarly, sensor signals Sv # 2 to Sv # 100 are sensor signals output from the valve sensor 12-1 provided in the vacuum valve unit 11 of unit numbers # 2 to # 100, respectively. The sensor signals Sw # 2 to Sw # 100 are sensor signals output from the water level sensor 12-2 provided in the vacuum valve units 11 of unit numbers # 2 to # 100, respectively.

  In this case, the control panel 100 performs monitoring for each of the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 input as described above. By this monitoring, the control panel 100 determines whether there is any of the sensor signals Sv # 1 to Sv # 100 indicating that the valve open / close state is abnormal. Further, the control panel 100 determines whether there is any of the sensor signals Sw # 1 to Sw # 100 indicating that the level of sewage is abnormal.

  In this way, the control panel 100 monitors each of the 200 sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100, thereby opening or closing the valve for each vacuum valve unit 11 or sewage. Determine if there is an abnormality in the water level. In addition, the control panel 100 in this case has the same 200 signals associated with each of the 200 sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 as notification signals for notifying the occurrence of abnormality. Notification signals Iv # 1 to Iv # 100 and Iw # 1 to Iw # 100 are output.

  As a specific example, for example, when it is determined that the sensor signal Sv # 2 output from the valve sensor 12-1 of the vacuum valve unit 11 of the unit number # 2 indicates an abnormality, the control panel 100 is The notification signal is output as follows. That is, the control panel 100 outputs the notification signal Iv # 2 among the notification signals Iv # 1 to Iv # 100 and Iw # 1 to Iw # 100.

The notification device 200 of FIG. 2 includes the same 200 input terminals Ti1 to Ti200 in response to the output of 200 notification signals Iv # 1 to Iv # 100 and Iw # 1 to Iw # 100 individually. .
The notification signal Iv # 2 output from the control panel 100 as described above is input to the input terminal Ti3 in the notification device 200. The reporting device 200 stores the unit number and the type of detection target (the open / close state of the vacuum valve or the water level of the sewage water) in association with each other for each of the input terminals Ti1 to Ti200. The notification device 200 recognizes that an abnormality has occurred in the vacuum valve in the vacuum valve unit 11 of unit number # 2 in response to the notification signal being input to the input terminal Ti3 as described above. Then, the notification device 200 notifies the administrator that an abnormality has occurred in the vacuum valve in the vacuum valve unit 11 of unit number # 2 by e-mail transmission or the like.

The reporting device 200 includes an input terminal corresponding to the number of notification signals output from the control panel 100 in order to input a notification signal. In the sewer system, the number of vacuum valve units 11 corresponding to one vacuum station 40 is considerably large, and for one vacuum valve unit 11, for example, the open / close state of the vacuum valve and the water level are detected. Are provided with a plurality of different sensors.
The number of sensor signals is obtained by multiplying the number of vacuum valve units 11 by the number of sensors provided in one vacuum valve unit 11, and thus increases by a multiple of the vacuum valve units. As can be seen from the above description, in the example of FIG. 2, the number of vacuum valve units 11 is 100, and the sensors provided in one vacuum valve unit 11 are two of the valve sensor 12-1 and the water level sensor 12-2. Therefore, the number of sensor signals is 200, which is twice the number of vacuum valve units 11.
In the configuration of the control panel 100 in FIG. 2, the notification signal is also output individually corresponding to each sensor signal, so that the number of notification signals increases to the same number as the number of sensor signals.

Thus, as the number of notification signals increases, the number of input terminals for inputting notification signals in the notification device 200 also increases. Such an increase in the number of input terminals in the notification device 200 is preferably suppressed as much as possible because, for example, the cost increases, the scale of hardware increases, the sequencer becomes complicated.
Therefore, in the present embodiment, the number of notification signals output from the control panel 100 is reduced by configuring the control panel 100 as described below. Thereby, the number of input terminals which the reporting apparatus 200 should have is reduced.

FIG. 3 shows a configuration example of the control panel 100 (vacuum valve unit monitoring device) in the present embodiment. This figure also corresponds to a case where 100 vacuum valve units 11 to which unit numbers # 1 to # 100 are assigned are provided as the sewer system of FIG.
A control panel 100 shown in this figure includes a signal input unit 101, a determination unit 102, a storage unit 103, a signal output control unit 104, and a signal output unit 105.

The signal input unit 101 inputs sensor signals output from a plurality of sensors 12 with different detection targets provided for each of the plurality of vacuum valve units 11.
That is, the signal input unit 101 includes sensor signals Sv # 1 to Sv # 100, Sw # 1 to Sw from the valve sensor 12-1 and the water level sensor 12-2 for each of the vacuum valve units 11 having unit numbers # 1 to # 100. Enter # 100. The sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 are transmitted via individual signal lines in the transmission line network 30 of FIG.

The determination unit 102 determines whether or not there is a sensor signal (abnormality instruction sensor signal) whose detection target indicates abnormality among the sensor signals input by the signal input unit.
For this purpose, the determination unit 102 further inputs the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 input by the signal input unit 101, and inputs the sensor signals Sv # 1 to Sv # 100, Sw # 1 to Sw # 100 are individually monitored.
For example, when the determination unit 102 monitors the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100, for example, the sensor signal Sv # 1 to Sv # sequentially from the signal input unit 101 at regular intervals. 100, Sw # 1 to Sw # 100 may be input. Alternatively, the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 are individually input, and the input sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 can be simultaneously monitored. You may comprise.

Specifically, the determination unit 102 monitors the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 to determine whether there is an abnormality indicating sensor signal as follows. Good.
That is, for example, for the sensor signals Sv # 1 to Sv # 100 output from the valve sensor 12-1, the determination unit 102 continues the “Hi” state for a predetermined threshold time (for example, about 1 minute) or more. In this case, it is determined that the sensor signal is an abnormality indicating sensor signal indicating that the vacuum valve is abnormal. In this way, the determination unit 102 determines that an abnormality has occurred in the vacuum valve when the vacuum valve is kept closed for, for example, 1 minute or longer.
Further, for the sensor signals Sw # 1 to Sw # 100 output from the water level sensor 12-2, when the state of “Hi” continues for a predetermined threshold time (for example, about 1 minute 10 seconds), It is determined that the sensor signal is an abnormality indication sensor signal indicating that the water level is abnormal. Thus, the determination part 102 determines with the abnormality having generate | occur | produced about the water level, when the state where the water level of sewage is more than a certain fixed value continues for 1 minute 10 seconds or more, for example.
For example, if the threshold value time is stored in advance in the storage unit 103 and the determination unit 102 performs the determination as described above using the threshold time read from the storage unit 103. Good.

When the determination unit 102 determines that there is an abnormality indicating sensor signal as described above, the signal output control unit outputs a signal indicating the port (terminal) number of the signal input unit 101 to which the sensor signal is input as the determination result. To 104.
The signal input unit 101 includes 200 ports (terminals) corresponding to the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100. For example, the signal input shown in FIG. As shown in the section 101, for example, numbers “# 1” to “# 200” are given.

When the determination unit 102 inputs a sensor signal from the signal input unit 101, the determination unit 102 recognizes from which port (terminal) in the signal input unit 101 the input sensor signal is input. .
Therefore, when determining that the abnormality indicating sensor signal is present, the determining unit 102 generates a signal (port number signal) indicating the port number of the signal input unit 101 to which the abnormality indicating sensor signal is input, and performs signal output control. Output to the unit 104. The port number signal may be any signal indicating the port number by a predetermined number of bits, for example.

The signal output control unit 104 is selected to indicate the vacuum valve unit 11 including the sensor that has output the abnormality instruction sensor signal when the determination unit 102 determines that there is an abnormality instruction sensor signal. A signal output unit for outputting a signal from the signal line for notification of the detection target type selected to indicate the type of detection target of the sensor that has output the abnormality indication sensor signal while outputting a signal from the signal line for notification 105 is controlled.
As an example, the signal output control unit 104 according to the present embodiment is applied to the vacuum valve unit 11 including the sensor 12 that outputs the abnormality instruction sensor signal when the determination unit 102 determines that there is an abnormality instruction sensor signal. The corresponding signal line for notifying the vacuum valve unit is selected, and the signal line for notifying the detection target type corresponding to the type of the detection target of the sensor that has output the abnormality indicating sensor signal is selected.

  For this purpose, the signal output control unit 104 recognizes the unit number of the vacuum valve unit 11 including the sensor 12 that has output the abnormality indication sensor signal based on, for example, the port number indicated by the port number signal from the determination unit 102. At the same time, the signal output control unit 104 recognizes the type of detection target of the sensor 12 (the valve sensor 12-1 or the water level sensor 12-2) that has output the abnormality indication sensor signal.

For example, the storage unit 103 stores each port of the signal input unit 101, a unit number of the vacuum valve unit 11 including the sensor 12 that outputs a sensor signal input to each port, and a type of detection target of the sensor 12. The associated port table is stored.
The signal output control unit 104 reads the unit number associated with the port number indicated by the input port number signal and the type of detection target from the port table. Thereby, the signal output control unit 104 recognizes the unit number and the type of detection target.

The signal output unit 105 outputs a signal indicating the vacuum valve unit 11 including the sensor 12 that has output the abnormality indication sensor signal using a plurality of signal lines for notifying the vacuum valve unit, and outputs the abnormality indication sensor signal. A signal indicating the type of detection target is output using a signal line for notification of the detection target type.
As an example, the signal output unit 105 in the present embodiment uses a signal for indicating the vacuum valve unit 11 including the sensor 12 that has output the abnormality indication sensor signal, for notification of the vacuum valve unit corresponding to each of the plurality of vacuum valve units 11. Individually output from the signal line. Along with this, the signal output unit 105 individually outputs a signal for indicating the type of detection target of the sensor 12 that has output the abnormality indication sensor signal from the signal line for notification of the detection target type corresponding to each type of detection target. Output to.

Specifically, the signal output unit 105 includes a vacuum valve unit notification signal output unit 105A and a detection target notification signal output unit 105B.
The vacuum valve unit notification signal output unit 105A individually sets the vacuum valve unit notification signals Iu # 1 to Iu # 100 corresponding to each of the plurality of vacuum valve units from the signal lines L1 to L100 for notification of the vacuum valve units.
The detection target notification signal output unit 105B includes a detection target notification signal Iv indicating that the type of detection target is the open / close state of the vacuum valve, and a detection target notification signal Iw indicating that the type of detection target is the level of sewage. Are individually output from the detection target type notification signal lines L101 and L102.

The signal output control unit 104 selects a signal line corresponding to the unit number recognized from the signal lines L1 to L100, and the signal output unit 105 outputs a vacuum valve unit notification signal from the selected signal line. To control.
In addition, the signal output control unit 104 selects a signal line corresponding to the type of detection target recognized from the signal lines L101 and L102, and then the signal output unit 105 sends a detection target notification signal from the selected signal line. Control to output.

As a specific example, when the sensor signal Sv # 2 of the port number # 3 of the signal input unit 101 is an abnormality instruction sensor signal indicating that it is abnormal, the determination unit 102 outputs a port number signal indicating “# 3”. Output to the output control unit 104.
The signal output control unit 104 refers to the port table stored in the storage unit 103 so that the unit number associated with the port number # 3 indicated by the input port number signal is “# 2”. Recognize that the type of detection target is "open / closed state of vacuum valve".
Therefore, the signal output control unit 104 selects the signal line L2 corresponding to the unit number # 2, and the vacuum valve unit notification signal output unit 105A so that the vacuum valve unit notification signal Iu # 2 is output from the signal line L2. To control. At the same time, the signal output control unit 104 selects the signal line L102 corresponding to the case where the type of the detection target is the open / close state of the vacuum valve, and detects that the detection target notification signal Iv is output from the signal line L102. The target notification signal output unit 105B is controlled.

  The reporting device 200 includes 100 input terminals Ti1 to Ti100 connected to the signal lines L1 to L100 corresponding to the vacuum valve unit notification signals Iu # 1 to Iu # 100. In addition, the notification device 200 includes two input terminals Ti101 and Ti102 connected to each of the signal lines L101 and L102 corresponding to the detection target notification signal Iv and the detection target notification signal Iw.

  The notifying device 200 identifies an input terminal to which a vacuum valve unit notification signal is input and an input terminal to which a detection target notification signal is input, so that an abnormality occurs in the vacuum valve unit of which unit number. Recognize where the abnormality occurred. Then, in accordance with the recognition result, the reporting device 200 transmits a report indicating the content indicating, for example, the unit number of the vacuum valve unit in which an abnormality has occurred and the part in which the abnormality has occurred in the vacuum valve unit.

As an example, when the signal output unit 105 outputs the vacuum valve unit notification signal Iu # 2 from the signal line L2 and the detection target notification signal Iv from the signal line L101 as described above, in the notification device 200, the input terminal The vacuum valve unit notification signal Iu # 2 is input to Ti2, and the detection target notification signal Iv is input to the input terminal Ti101.
For example, when the vacuum valve unit notification signal is input to the input terminal Ti2 by the internal sequencer, the notification device 200 recognizes that the unit number of the vacuum valve unit 11 in which an abnormality has occurred is “# 2”. In addition, when the notification target notification signal is input to the input terminal Ti101, the notification device 200 recognizes that an abnormality has occurred in the “vacuum valve open / closed state” in the vacuum valve unit 11. Therefore, the reporting device 200 transmits a report of contents indicating that an abnormality has occurred in the open / close state of the vacuum valve in the vacuum valve unit of unit number # 2 to the administrator's terminal or the like.

In the case of the configuration shown in FIG. 2 described above, one notification signal is individually output corresponding to each sensor 12 provided in the vacuum valve unit 11. In this case, the number of notification signals output from the control panel 100 is a × b, where a is the number of vacuum valve units 11 and b is the number of sensors 12 provided for each vacuum valve unit 11.
On the other hand, in the case of the configuration of FIG. 3 as this embodiment, it corresponds to the number of vacuum valve unit notification signals corresponding to each unit number of the vacuum valve unit 11 and each type of detection target of the sensor 12. The detection target notification signal is output. That is, in the present embodiment, the same contents as in FIG. 2 are notified by a combination of a signal group for indicating the vacuum valve unit number and a signal group for indicating the type of detection target of the sensor 12.
In this case, the number of notification signals output from the control panel 100 in this embodiment is a + b. Accordingly, the number of input terminals to be provided in the notification device 200 is a × b in the case of FIG. 2, but may be a + b in the present embodiment shown in FIG. .
Specifically, the notification device 200 of FIG. 2 has 200 (= 100 × 2) input terminals Ti1 to Ti200 in FIG. 2, whereas the input terminal in FIG. The number of Ti1 to Ti102 is 102 (= 100 + 2), and a reduction of 80 is achieved.
Thus, in this embodiment, it is possible to effectively reduce the number of input terminals that the reporting device 200 should have.

[Example of processing procedure]
FIG. 4 shows an example of a procedure executed by the control panel 100 of the present embodiment shown in FIG.
The determination unit 102 monitors the sensor signals Sv # 1 to Sv # 100 and Sw # 1 to Sw # 100 input by the signal input unit 101 (step S101), and among these, a sensor indicating an abnormality It is determined whether or not there is a signal (abnormal instruction sensor signal) (step S102).

When it determines with there being no abnormality instruction | indication sensor signal (step S102-NO), the determination part 102 returns a process to step S101.
On the other hand, when it is determined that there is an abnormality instruction sensor signal (YES in step S102), the determination unit 102 is a port of the signal input unit 101 to which the abnormality instruction sensor signal is input to the signal output control unit 104. A port number signal indicating the number is output (step S103).

Next, the signal output control unit 104 recognizes the unit number of the vacuum valve unit 11 including the sensor 12 that has output the abnormality indication sensor signal and the type of detection target of the sensor 12 that has output the abnormality indication sensor signal (step). S104).
For this purpose, the signal output control unit 104 refers to the port table and acquires the unit number associated with the port number indicated by the port number signal input in accordance with step S103 and the type of detection target.

Then, the signal output control unit 104 controls the vacuum valve unit notification signal output unit 105A so that the vacuum valve unit notification signal is output from the signal line corresponding to the unit number recognized in step S104 (step S105).
At the same time, the signal output control unit 104 controls the detection target notification signal output unit 105B so that the detection target notification signal is output from the signal line corresponding to the type of detection target recognized in step S104 (step S106). . After finishing the process of step S106, the signal output control part 104 returns a process to step S101.

For the vacuum valve unit notification signal, bits are assigned to each signal line, and “Hi” and “Low” are output to these signal lines according to the values of “1” and “0”. It may be configured.
As a specific example, when the number of vacuum valve units 11 is “100”, eight signal lines corresponding to the first to eighth bits are provided in the vacuum valve unit notification signal output unit 105A. In addition, the signal output control unit 104 appropriately selects whether to output “Hi” or “Low” for the eight signal lines according to the unit number to be notified.
For example, when the unit number # 3 is to be notified, “Hi” corresponding to “1” is output to the first and second bit signal lines, and the remaining third to eighth bit signals are output. The line is made to output “Low” corresponding to “0”. The notification device 200 can recognize that the notified unit number is “# 3” by processing the vacuum valve unit notification signal thus input as a bit pattern. Thereby, the number of signal lines can be further reduced as compared with the case where one signal line is assigned to each unit number of the vacuum valve unit 11.
Similarly, if a bit is assigned to each signal line for the detection target notification signal, the number of signal lines can be similarly reduced.

  Further, the configuration of the control panel 100 is not limited to that shown in FIG. Further, the functions as the determination unit 102 and the signal output control unit 104 in FIG. 3 may be realized by causing a CPU (Central Processing Unit) to execute a program, for example. Alternatively, the functions as the determination unit 102 and the signal output control unit 104 in FIG. 3 may be configured by a logic circuit or the like.

  3 records a program for realizing the functions of the determination unit 102 and the signal output control unit 104 on a computer-readable recording medium, and causes the computer system to read the program recorded on the recording medium. You may monitor the vacuum valve unit 11 by performing. Here, the “computer system” includes an OS and hardware such as peripheral devices.

Further, the “computer system” includes a homepage providing environment (or display environment) if a WWW system is used.
The “computer-readable recording medium” refers to a storage device such as a flexible medium, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system. Further, the “computer-readable recording medium” refers to a volatile memory (RAM) in a computer system that becomes a server or a client when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. In addition, those holding programs for a certain period of time are also included. The program may be a program for realizing a part of the functions described above, and may be a program capable of realizing the functions described above in combination with a program already recorded in a computer system.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and includes designs and the like that do not depart from the gist of the present invention.

DESCRIPTION OF SYMBOLS 10 Housing 11 Vacuum valve unit 12 Sensor 12-1 Valve sensor 12-2 Water level sensor 21 Natural flow down pipe 22 Vacuum sewer pipe 23 Public sewer 30 Transmission line network 40 Vacuum station 41 Catchment tank 42 Vacuum pump 43 Pressure feed pump 100 Control panel 101 Signal input unit 102 Determination unit 103 Storage unit 104 Signal output control unit 105 Signal output unit 105A Vacuum valve unit notification signal output unit 105B Detection target notification signal output unit 200 Reporting device

Claims (2)

A vacuum valve unit monitoring device in a sewer system that transports sewage stored in each of a plurality of vacuum valve units to a vacuum station via a vacuum sewer pipe,
A plurality of sensors provided for each of the plurality of vacuum valve units, a signal input unit that inputs sensor signals output by detecting different detection targets;
A determination unit that determines whether or not there is an abnormality indicating sensor signal indicating that the detection target is abnormal among the sensor signals input by the signal input unit;
A signal indicating a vacuum valve unit including a sensor that has output the abnormality indication sensor signal is output using a plurality of signal lines for notifying the vacuum valve unit, and a type of a detection target of the sensor that has output the abnormality indication sensor signal is determined. A signal output unit that outputs a signal to be detected using a signal line for notification of a detection target type;
When the determination unit determines that there is an abnormality indicating sensor signal, a signal is sent from the signal line for notifying the vacuum valve unit selected to indicate the vacuum valve unit including the sensor that has output the abnormality indicating sensor signal. A signal output control unit that controls the signal output unit to output the signal from the detection target type notification signal line selected to indicate the type of detection target of the sensor that has output the abnormality indication sensor signal. And a vacuum valve unit monitoring device. The signal output unit is
A signal for indicating a vacuum valve unit including a sensor that has output the abnormality indication sensor signal is individually output from a signal line for notifying a vacuum valve unit corresponding to each of the plurality of vacuum valve units, and the abnormality indication sensor signal A signal for indicating the type of detection target of the sensor that has output is individually output from the detection target type notification signal line corresponding to each type of detection target,
The signal output controller is
In response to determining that the abnormality indicating sensor signal is present by the determination unit, the signal line for notifying the vacuum valve unit corresponding to the vacuum valve unit including the sensor that has output the abnormality indicating sensor signal is selected, and The vacuum valve unit monitoring device according to claim 1, wherein a signal line for notification of a detection target type corresponding to a type of detection target of the sensor that has output the abnormality indication sensor signal is selected.

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