Power outage confirmation device, power depletion confirmation device, power outage confirmation method, power depletion confirmation method, and program

Abstract

This power outage checking device checks whether or not a power outage occurs in a communication building and an area including a plurality of subscribed users accommodated in the communication building and comprises: a user checking unit for acquiring information of the plurality of subscribed users when a communication abnormality is detected from a power monitoring device; a subscription log checking unit for checking the log of a home device of each of the subscribed users on the basis of the information; and a power outage determination unit for determining, on the basis of the log, whether or not a power outage occurs in the area.

Description

[Technical field]

[0001] The present invention relates to a technique for monitoring the power supply status of a communication station. [Background technology]

[0002] A communication station (which may be called a communication building) that houses the communication facilities of a communication carrier, etc., is equipped with various transmission devices, etc., as well as power supply devices, batteries, etc. The power supply devices supply commercial power to the transmission devices, etc. If the power supply from commercial power stops due to a power outage, power is supplied from the batteries.

[0003] A conventional technique for monitoring the power supply status of a communication station is to have a power monitoring device periodically poll a power supply device via a communication network (called a power monitoring network) to monitor the power supply status of the communication station (for example, Non-Patent Document 1). [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] https: / / www.ntt-f.co.jp / news / heisei18 / h18-1214.html, searched on November 15, 2021 Summary of the Invention [Problem to be solved by the invention]

[0005] There is a possibility that the power monitoring network for monitoring the power supply device may break down due to a disaster, etc. When the power monitoring network breaks down, it becomes impossible to grasp the power supply status of the communication station with the conventional technology.

[0006] The present invention has been made in consideration of the above points, and aims to provide a technique that makes it possible to grasp the power supply status in a communication station even if the power monitoring network fails. [Means for solving the problem]

[0007] According to the disclosed technology, there is provided a power outage confirmation device for confirming whether or not a power outage has occurred in an area including a communication building and a plurality of subscriber users accommodated in the communication building, a user confirmation unit that acquires information of the plurality of subscriber users when a communication abnormality is detected from the power monitoring device; a subscription log checking unit that checks the logs of the home devices of each subscriber based on the information; a power outage determination unit that determines whether or not a power outage has occurred in the area based on the log; A power failure confirmation device comprising: Effect of the Invention

[0008] According to the disclosed technology, it is possible to grasp the power supply status in a communication station even if the power monitoring network fails. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a diagram for explaining a problem. [Diagram 2] FIG. 1 is a diagram for explaining a problem. [Diagram 3] FIG. 1 is a diagram for explaining a problem. [Figure 4] FIG. 1 is a diagram for explaining an overview of an embodiment. [Diagram 5] FIG. 1 is an overall configuration diagram of the system. [Figure 6] FIG. 1 is a diagram showing an apparatus configuration. [Figure 7] 13 is a flowchart for confirming a commercial power outage. [Figure 8] 13 is a flowchart for checking whether a building's power supply is depleted. [Figure 9] FIG. 2 illustrates an example of a hardware configuration of the apparatus. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the present invention (the present embodiment) will be described with reference to the drawings. The embodiment described below is merely an example, and the embodiment to which the present invention is applied is not limited to the following embodiment.

[0011] (About the assignment) First, the problems related to the technology of the present embodiment will be described in detail with reference to the drawings. Note that the contents of the following description of the problems (and Figs. 1 to 3) are intended to explain the problems by analyzing the conventional technology, and are not publicly known.

[0012] An example of the configuration and procedure of monitoring during a disaster (power outage) in the prior art will be described with reference to Figures 1 and 2. As shown in Figure 1, a power supply device 10 is provided in a communication station, and a power monitoring device 20 monitors the power supply device 10 via a power monitoring network 40. In addition, a NW monitoring device 30 monitors the power monitoring network 40.

[0013] It is assumed that the power monitoring device 20 and the NW monitoring device 30 are provided in a location (such as a monitoring center) different from the communication station where the power supply device 10 is provided.

[0014] The monitoring situation shown in Fig. 1 will be described according to the procedure of the flowchart in Fig. 2. In S1, commercial power supply to a communication station is normally performed by the power supply device 10. The power monitoring device 20 periodically polls the power supply device 10 via the power monitoring network 40, and at this point in time, it is determined that commercial power supply is normally performed.

[0015] In S2, a power outage at the communication station causes the commercial power supply to go down and battery power supply to start. The power monitoring device 20 outputs a monitoring result indicating that the commercial power supply has gone down and battery power supply has started, so an operator (person) grasps this and prepares a mobile power supply vehicle in case the battery runs out.

[0016] In S3, the battery in the communication station runs out. In other words, the power source in the communication station runs out. As a result, in S4, the communication devices stop operating.

[0017] When the power supply in the communication station runs out, the power supply device 10 also stops due to the power supply running out, so the power monitoring device 20 outputs a "communication abnormality" just as when the power monitoring network 40 is broken. Also, a large number of network alarms are output from the power monitoring network 40. However, in this case, since it is known that the "communication abnormality" is caused by the power supply running out, it is possible to wait for the power to be restored.

[0018] With reference to Fig. 2, a case will be described in which the power monitoring network 40 (communication network) breaks down during a disaster similar to the case shown in Fig. 1. Since both power and communication are often affected during a disaster, the case shown in Fig. 2 is highly likely to occur.

[0019] The power monitoring network 40 of a communication station is generally duplicated, but in the event of a disaster, both systems may be cut off, in which case the power monitoring device 20 will be unable to grasp the status of the power supply device 10.

[0020] At this time, as shown in FIG. 2, the power monitoring device 20 outputs a "communication abnormality," but since the power supply situation cannot be grasped, there is a possibility that a lot of unnecessary operation will occur due to inability to make appropriate preparations due to a lack of information, such as a double dispatch of a team to repair the communications equipment failure and a mobile power source vehicle, resulting in a failed repair team arrangement.

[0021] It is possible to set up a triple-redundant network for power monitoring at all telecommunications stations nationwide, but this is not realistic as it would be too costly.

[0022] Therefore, a technique is required to determine the power supply state (commercial power supply, battery power supply, power loss, etc.) of a communication station even when the power monitoring network 40 is disconnected. The technique will be described below.

[0023] (Outline of the embodiment) The outline of this embodiment will be described with reference to Fig. 4. In this embodiment, the communication building power status confirmation system 100 shown in Fig. 4 can grasp the status of the communication building such as "commercial power outage" and "power depletion" by using the communication network even if the power monitoring network 40 is out of order.

[0024] That is, as shown in FIG. 4, in this embodiment, the status of the communication station, such as "commercial power outage" and "power depletion", is grasped by utilizing information such as accommodated user information, NW monitoring device alarms, NW monitoring device periodic test results, and communication server device logs, which can be used even if the communication station equipped with the power supply device 10 is hit by a disaster.

[0025] Specifically, the communication building power status confirmation system 100 checks users (meaning user homes) whose power supply area is the same as the target communication station from the logs and monitoring data of the network devices, and if the communications of multiple users are cut off at the same time, it determines that the area including the communication station is experiencing a power outage. Also, if there is a power outage, it determines that commercial power supply is not possible in the communication station. The above area includes the communication station and multiple subscriber users accommodated in the communication station.

[0026] If it becomes clear that commercial power supply is not possible, then, for example, arrangements can be made to have a mobile power supply vehicle arrive before the building's battery runs out.

[0027] In addition, the power monitor performs communication tests on transmission equipment in other communication buildings that are connected to the transmission equipment in the communication station where the communication abnormality is occurring to determine the connection status, and if all connection statuses become NG, it determines that the power supply in the communication station where the communication abnormality is occurring has run out.

[0028] The technology according to this embodiment checks the continuity of all relay lines (transmission paths) connected to the target communication station, making it possible to accurately determine whether multiple relay lines have been cut off or whether the building power supply has run out. This makes it unnecessary to dispatch both a mobile power supply vehicle and a transmission path repair team, making it possible to reduce operations. This embodiment will be described in more detail below.

[0029] (System configuration example) An example of the overall configuration of the system according to this embodiment is shown in Fig. 5. Fig. 5 shows the configuration as well as the fact that a "communication anomaly" message is output when the power monitoring network 40 breaks down.

[0030] A power supply device 10 is provided in a target communication station, and during normal operation, it supplies power to a transmission device 70 and the like in the communication station. The power monitoring device 20 monitors the power supply device 10 by polling via the power monitoring network 40 as described above.

[0031] The communication building power status confirmation system 100 uses the communication network to grasp the status of the communication building, such as "commercial power outage" and "power depletion," even if the power monitoring network 40 is out of order.

[0032] Also, as shown in FIG. 5, there are a plurality of subscriber users (equipped with home equipment such as ONUs) in the area of ​​the target communication station (an area in which commercial power supply to the communication station is stopped at the same time), and the home equipment of each subscriber user is monitored by a subscriber NW monitoring device 50.

[0033] Moreover, the transmission NW monitoring device 35 can monitor the transmission devices 80-1 to 80-4 provided in each communication station.

[0034] In the configuration of Figure 5, the target communication station equipped with the power supply device 10 and transmission device 70 is located in a different place from the "power monitoring device 20, communication building power status confirmation system 100, subscriber NW monitoring device 50, and transmission NW monitoring device 35." It is assumed that even if the power supply of the target communication station runs out, power is still supplied to each of the power monitoring device 20, communication building power status confirmation system 100, subscriber NW monitoring device 50, transmission NW monitoring device 35, etc. and they continue to operate.

[0035] (Configuration of communication building power supply status confirmation system 100) 6 is a diagram showing the internal configuration of the communication building power status confirmation system 100. As shown in FIG. 6, the communication building power status confirmation system 100 includes a commercial power outage confirmation unit 110 and a power depletion confirmation unit 120.

[0036] The communication building power status confirmation system 100 may be configured as one device (computer) or multiple devices. For example, the commercial power outage confirmation unit 110 and the power depletion confirmation unit 120 may each be one device (computer). The commercial power outage confirmation unit 110 and the power depletion confirmation unit 120 may be called a power outage confirmation device and a power depletion confirmation device, respectively.

[0037] The communication building power status confirmation system 100 may also be called a power outage confirmation device or a power depletion confirmation device.

[0038] <Commercial Power Outage Verification Unit 110> The commercial power outage confirmation unit 110 is a functional unit that determines whether or not a commercial power outage has occurred by referring to a subscriber NW alarm or the like, and includes an area confirmation unit 111, a subscription log confirmation unit 112, and a commercial power outage determination unit 113. The commercial power outage determination unit 113 may be called a power outage determination unit.

[0039] The area confirmation unit 111 acquires subscriber user information accommodated in the communication station where the communication abnormality is occurring from the accommodated user information DB 1. The accommodated user information DB 1 is provided in the subscriber NW monitoring device 50, for example.

[0040] The subscription log confirmation unit 112 confirms, based on the subscribing user information, whether or not an ONU (in-home device) in the user's home indicated by the subscribing user information has output a power-off log, based on information in the monitoring log DB 2. The monitoring log DB 2 is a DB provided in the subscribing NW monitoring device 50, and stores logs of the monitoring results by the subscribing NW monitoring device 50.

[0041] Based on the confirmation result by the subscription log confirmation unit 112, the commercial power outage determination unit 113 determines whether or not a commercial power outage is occurring in the communication station or its surroundings.

[0042] <Power supply depletion confirmation unit 120> The power supply depletion confirmation unit 120 is a functional unit that determines whether the power supply of the communication station, including the battery, has run out, and includes an opposing transmission building confirmation unit 121, a communication confirmation unit 122, and a building power supply depletion determination unit 123.

[0043] The opposite transmission building confirmation unit 121 collects information on the transmission device in the opposite building connected by the transmission line to the transmission device in the communication station where the communication abnormality occurs, from the connection information on the transmission line stored in the transmission line connection information DB 3. The transmission line connection information DB 3 is provided in, for example, the transmission NW monitoring device 35. The opposite transmission building confirmation unit 121 may be called an opposite transmission device confirmation unit.

[0044] The communication confirmation unit 122 confirms, by using the transmission NW monitoring device 35, communication (connectivity) from each opposing transmission device to a transmission device of a communication station where a communication abnormality is occurring (target communication station).

[0045] The building power depletion determination unit 123 determines whether or not the power supply of the target communication station is depleted based on the communication OK / NG information.

[0046] (Example of operation of commercial power outage confirmation unit 110) An example of the operation of the commercial power outage confirmation unit 110 shown in FIG. 6 will be described along the steps of the flowchart in FIG.

[0047] In S101, the area confirmation unit 111 receives a "communication abnormality" from the power monitoring device 20 as a polling result in a certain communication station (referred to as a target communication station).

[0048] When the area confirmation unit 111 confirms in S102 that the state at the time of the previous polling by the power monitoring device 20 was "commercial power supply", in S103 it acquires, from the accommodated user information DB1, information on the subscriber users accommodated in the target communication station where the communication abnormality is occurring.

[0049] In S104, the subscription log checking unit 112 checks, based on the subscription user information, whether or not the ONU in the user's home has output a power-off log, based on the information in the monitoring log DB2.

[0050] In S105, when the commercial power outage determination unit 113 confirms based on the confirmation result by the subscription log confirmation unit 112 that there are many ONU power off logs at approximately the same time, it determines in S106 that a commercial power outage has occurred in the target area (the area including the target communication station and the accommodating subscriber homes) and outputs the determination result.

[0051] In addition, in the judgment, for example, if a log of ONU power OFF occurs within a certain time range for a number of users equal to or greater than a threshold (%) among the number of users whose logs are to be checked and included in the subscribed user information, it is judged that a commercial power outage has occurred. In this example, the ONU power OFF log is used for the judgment, but the SIP server register information, etc. may also be used for the judgment.

[0052] (Example of operation of power supply depletion confirmation unit 120) Next, an example of the operation of the power supply depletion check unit 120 shown in FIG. 6 will be described along the steps of the flowchart in FIG.

[0053] In S201, the opposite transmission building confirmation unit 121 receives a "communication abnormality" from the power monitoring device 20 as a polling result of a certain communication office (referred to as a target communication office).

[0054] When the opposing transmission building confirmation unit 121 confirms in S202 that the status at the time of the previous polling by the power monitoring device 20 was "commercial power supply", in S203, it collects information on all transmission devices (transmission devices of all opposing buildings) that are connected to the transmission device of the target communication station by a transmission line from the transmission line connection information (topology information) stored in the transmission line connection information DB3.

[0055] In S204, the communication confirmation unit 122 confirms communication from the transmission devices of the opposing buildings to the transmission device of the target communication station via the transmission NW monitoring device 35 using the information collected in S203.

[0056] When the building power depletion determination unit 123 confirms in S205 that all communication confirmation results by the communication confirmation unit 122 are NG, it determines in S206 that the target communication station is running out of power.

[0057] For example, if there are 10 transmission devices in the opposing building facing the target communication station, the building power depletion determination unit 123 determines that the target communication station is running out of power if it confirms that communication is not possible with all 10 devices.

[0058] However, for example, if there is an opposing transmission device connected to a highly reliable transmission line, a communication check may be performed for only a portion of multiple transmission devices, including that transmission device, and if communication is NG for all of them, it may be determined that the target communication station is running out of power.For example, if there are 10 transmission devices in the opposing building opposite the target communication station, communication checks may be performed for five of them, including the opposing transmission device connected to a highly reliable transmission line, and if it is confirmed that communication is NG for all five, it may be determined that the target communication station is running out of power.

[0059] (Hardware configuration example) The communication building power status confirmation system, power outage confirmation device, and power depletion confirmation device can all be realized, for example, by having a computer execute a program. This computer may be a physical computer or a virtual machine on the cloud. Hereinafter, the communication building power status confirmation system, power outage confirmation device, and power depletion confirmation device will be collectively referred to as devices.

[0060] That is, the device can be realized by executing a program corresponding to the processing performed by the device, using hardware resources such as a CPU and memory built into a computer. The program can be recorded on a computer-readable recording medium (such as a portable memory) and stored or distributed. The program can also be provided via a network such as the Internet or email.

[0061] Fig. 9 is a diagram showing an example of the hardware configuration of the computer. The computer in Fig. 9 has a drive device 1000, an auxiliary storage device 1002, a memory device 1003, a CPU 1004, an interface device 1005, a display device 1006, an input device 1007, an output device 1008, etc., which are all connected to each other via a bus B.

[0062] The program for realizing the processing on the computer is provided by a recording medium 1001 such as a CD-ROM or a memory card. When the recording medium 1001 storing the program is set in the drive device 1000, the program is installed from the recording medium 1001 to the auxiliary storage device 1002 via the drive device 1000. However, the program does not necessarily have to be installed from the recording medium 1001, but may be downloaded from another computer via a network. The auxiliary storage device 1002 stores the installed program as well as necessary files, data, etc.

[0063] The memory device 1003 reads out and stores the program from the auxiliary storage device 1002 when an instruction to start the program is received. The CPU 1004 realizes the functions related to the device in accordance with the program stored in the memory device 1003. The interface device 1005 is used as an interface for connecting to a network, etc. The display device 1006 displays a GUI (Graphical User Interface) or the like according to a program. The input device 1007 is composed of a keyboard and mouse, buttons, a touch panel, etc., and is used to input various operation instructions. The output device 1008 outputs the results of calculations.

[0064] (Effects of the embodiment) With the technology according to the present embodiment, even if a problem occurs in the power monitoring network and the power supply status becomes unknown, the power supply status of the communication station can be grasped through information obtained from the communication NW.

[0065] This will enable appropriate preparations to be made when repairing communications network faults, and will reduce wasted operations such as double dispatch resulting in one party being idle.

[0066] (Additional Note) This specification discloses at least the following power outage confirmation device, power supply depletion confirmation device, power outage confirmation method, power supply depletion confirmation method, and program. (Section 1) A power outage confirmation device for confirming whether or not a power outage has occurred in an area including a communication building and a plurality of subscriber users accommodated in the communication building, a user confirmation unit that acquires information of the plurality of subscriber users when a communication abnormality is detected from the power monitoring device; a subscription log checking unit that checks the logs of the home devices of each subscriber based on the information; a power outage determination unit that determines whether or not a power outage has occurred in the area based on the log; A power outage confirmation device. (Section 2) The power outage determination unit determines that a power outage is occurring in the area when a power off log is confirmed in the logs of home devices of a number of subscriber users among the plurality of subscriber users that is equal to or greater than a threshold within a certain time period. 2. A power outage confirmation device as described in paragraph 1. (Section 3) A power supply depletion confirmation device for confirming whether or not a power supply in a communication building is depleted, an opposite transmission device confirmation unit that acquires information on a plurality of transmission devices connected to the transmission device of the communication building via a transmission line when a communication abnormality is detected from the power monitoring device; a communication confirmation unit that performs communication confirmation from each of a part or all of the plurality of transmission devices to a transmission device in the communication building; a power supply depletion determination unit that determines whether or not a power supply in the communication building is depleted based on a result of the communication confirmation by the communication confirmation unit; A power supply depletion confirmation device comprising: (Section 4) The power supply depletion determination unit determines that the power supply in the communication building is depleted when communication cannot be confirmed in any of the plurality of transmission devices. 4. A power supply depletion confirmation device as described in claim 3. (Section 5) A power outage confirmation method executed by a power outage confirmation device for confirming whether a power outage has occurred in an area including a communication building and a plurality of subscriber users accommodated in the communication building, a user confirmation step of acquiring information of the plurality of subscriber users when a communication abnormality is detected from the power monitoring device; a subscription log checking step of checking the logs of the home devices of each subscriber based on the information; a power outage determination step of determining whether or not a power outage has occurred in the area based on the log; A power outage confirmation method comprising: (Section 6) A power supply depletion confirmation method executed by a power supply depletion confirmation device for confirming whether or not a power supply in a communication building is depleted, comprising: a counter transmission device confirmation step of acquiring information on a plurality of transmission devices connected to the transmission device of the communication building via a transmission line when a communication abnormality is detected from the power monitoring device; a communication confirmation step of performing communication confirmation from each of a part or all of the plurality of transmission devices to a transmission device in the communication building; a power supply depletion determination step for determining whether or not the power supply in the communication building is depleted based on a result of the communication confirmation by the communication confirmation step; A method for checking power depletion comprising: (Section 7) A program for causing a computer to function as each component of the power outage confirmation device described in paragraph 1 or paragraph 2. (Section 8) A program for causing a computer to function as each unit in the power supply depletion confirmation device described in claim 3 or 4.

[0067] Although the present embodiment has been described above, the present invention is not limited to such a specific embodiment, and various modifications and variations are possible within the scope of the gist of the present invention described in the claims. [Explanation of symbols]

[0068] 1. User information database 2. Monitoring log database 3 Transmission line connection information DB 10 Power supply device 20 Power monitoring device 30 NW monitoring device 35 Transmission network monitoring equipment 40 Power monitoring network 50 Joined NW monitoring device 70, 80-1~80-4 Transmission equipment 100 Communication building power status confirmation system 110 Commercial Power Outage Verification Department 111 Area Verification Department 112 Subscription log confirmation section 113 Commercial power outage determination section 120 Power Supply Depletion Check Unit 121 Opposite Transmission Building Verification Unit 122 Communication Verification Department 123 Building power depletion determination unit 1000 Drive Device 1001 Recording media 1002 Auxiliary storage device 1003 Memory device 1004 CPU 1005 Interface device 1006 Display device 1007 Input Device 1008 Output device

Claims

1. A power outage confirmation device for confirming whether or not a power outage has occurred in an area including a communication building and a plurality of subscriber users accommodated in the communication building, a user confirmation unit that acquires information of the plurality of subscriber users when a communication abnormality is detected from the power monitoring device; a subscription log checking unit that checks the logs of the home devices of each subscriber based on the information; a power outage determination unit that determines whether or not a power outage has occurred in the area based on the log; A power outage confirmation device.

2. The power outage determination unit determines that a power outage is occurring in the area when a power off log is confirmed in the logs of home devices of a number of subscriber users, among the plurality of subscriber users, equal to or greater than a threshold within a certain time period. The power outage confirmation device according to claim 1.

3. A power supply depletion confirmation device for confirming whether or not a power supply in a communication building is depleted, an opposite transmission device confirmation unit that acquires information on a plurality of transmission devices connected to the transmission device of the communication building via a transmission line when a communication abnormality is detected from the power monitoring device; a communication confirmation unit that performs communication confirmation from each of a part or all of the plurality of transmission devices to a transmission device in the communication building; a power supply depletion determination unit that determines whether or not a power supply in the communication building is depleted based on a result of the communication confirmation by the communication confirmation unit; A power supply depletion confirmation device comprising:

4. The power supply depletion determination unit determines that the power supply in the communication building is depleted when communication cannot be confirmed in all of the plurality of transmission devices.

4. The power supply depletion confirmation device according to claim 3.

5. A power outage confirmation method executed by a power outage confirmation device for confirming whether a power outage has occurred in an area including a communication building and a plurality of subscriber users accommodated in the communication building, a user confirmation step of acquiring information of the plurality of subscriber users when a communication abnormality is detected from the power monitoring device; a subscription log checking step of checking the logs of the home devices of each subscriber based on the information; a power outage determination step of determining whether or not a power outage has occurred in the area based on the log; A power outage confirmation method comprising:

6. A power supply depletion confirmation method executed by a power supply depletion confirmation device for confirming whether or not a power supply in a communication building is depleted, comprising: a counter transmission device confirmation step of acquiring information on a plurality of transmission devices connected to the transmission device of the communication building via a transmission line when a communication abnormality is detected from the power monitoring device; a communication confirmation step of performing communication confirmation from each of a part or all of the plurality of transmission devices to a transmission device in the communication building; a power supply depletion determination step for determining whether or not the power supply in the communication building is depleted based on a result of the communication confirmation by the communication confirmation step; A method for checking power depletion comprising:

7. A program for causing a computer to function as each unit in the power outage confirmation device according to claim 1 or 2.

8. A program for causing a computer to function as each unit in the power supply depletion confirmation device according to claim 3 or 4.

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