JP2021039629A - Maintenance information providing device, maintenance information providing method and program - Google Patents

Abstract

To provide a maintenance information providing device, a maintenance information providing method and a program which can easily share maintenance information of an infrastructure facility between an instruction side and a site side.SOLUTION: In a power failure information providing server, a position information acquisition part 251 receives position information on a communication terminal, and stores identification information and information on an acquisition date in association with each other in a position information storage part 241. An image data acquisition part 252 receives image data obtained by photographing an accident site by the communication terminal, and stores identification information, a photographing date, position information and information on a kind of a picture in association with each other in an image data storage part 242. An accident memorandum data acquisition part 253 receives accident memorandum data from the communication terminal, and stores identification information, a preparation date, position information of the communication terminal at the time of preparation, and the like in association with each other in an accident memorandum data storage part 243. A system diagram update part 254 reads out power distribution system diagram data from a system diagram data storage part 244, and updates a power distribution system diagram on the basis of the acquired position information, image data and accident memorandum data.SELECTED DRAWING: Figure 4

Description

The present invention relates to a maintenance information providing device, a maintenance information providing method, and a program.

When a power outage occurs on a distribution line, it is necessary for the commander or the like to grasp the overall picture of the power outage and to proceed with the restoration work of the distribution line by dispatching workers to the site as necessary. Therefore, in order for the commander to grasp the overall picture of the power outage, there is known a power outage information providing system that centrally collects information on the power outage of the distribution line and displays it on the distribution system diagram. For example, Patent Document 1 discloses a power failure information system that displays a power distribution system diagram that distinguishes between a power failure section and a non-power failure section.

Japanese Unexamined Patent Publication No. 2018-41229

In the power failure information system of Patent Document 1, since only the information regarding the power failure section and the non-power failure section is provided, it is difficult to quickly share the information regarding the situation at the site between the commander and the worker. For example, when a worker takes a picture of the situation at the site with a smartphone or the like, the worker needs to attach the picture to an e-mail and send it to the commander. In addition, the commander also needs to confirm which site the photo sent from each worker belongs to.

For this reason, it takes time to grasp the whole picture of the power outage, and it is difficult for the commander to give prompt and appropriate instructions to the worker. And, such a problem is not only when sharing information on the site situation in distribution lines, but also when sharing maintenance information which is information on maintenance of those infrastructure facilities in other infrastructure facilities such as transmission lines and gas pipes. It also exists when you do.

The present invention has been made based on such a background, and is a maintenance information providing device, a maintenance information providing method, and a maintenance information providing device capable of easily sharing maintenance information of infrastructure equipment between a commanding side and a local side. The purpose is to provide a program.

In order to achieve the above object, the maintenance information providing device according to the present invention
A storage unit that stores a system diagram showing the layout of infrastructure equipment,
An acquisition unit that acquires the location information of the communication terminal and maintenance information related to the maintenance of infrastructure equipment generated in association with the location information.
The stored system diagram is read out, and based on the acquired position information and maintenance information, the acquired maintenance information is moved to a position corresponding to the acquired position information on the read system diagram. A system diagram update section that updates the system diagram so that it is displayed,
To be equipped.

According to the present invention, it is possible to provide a maintenance information providing device, a maintenance information providing method, and a program capable of easily sharing maintenance information of infrastructure equipment between the commanding side and the local side.

It is a figure which shows the structure of the power failure information providing system which concerns on embodiment of this invention. It is a block diagram which shows the hardware composition of the communication terminal which concerns on embodiment of this invention. (A) is a diagram showing an example of a data table of the switch number data storage unit, and (b) is a diagram showing an example of a data table of the utility pole number data storage unit. It is a block diagram which shows the hardware configuration of the power failure information providing server which concerns on embodiment of this invention. (A) is a diagram showing an example of a data table of a position information storage unit, (b) is a diagram showing an example of a data table of an image data storage unit, and (c) is a diagram showing an example of an accident memo data storage unit. It is a figure which shows an example of the data table of, (d) is a figure which shows an example of the data table of the vehicle information storage unit. (A) and (b) are diagrams showing specific examples of the power distribution system diagram according to the embodiment of the present invention, respectively. It is a flowchart which shows the flow of the position information transmission processing which concerns on embodiment of this invention. It is a flowchart which shows the flow of the system diagram update process which concerns on embodiment of this invention. It is a flowchart which shows the flow of the site photograph display processing which concerns on embodiment of this invention. It is a flowchart which shows the flow of the vehicle position display processing which concerns on embodiment of this invention. It is a flowchart which shows the flow of the worker route guidance processing which concerns on embodiment of this invention. It is a flowchart which shows the flow of the system diagram transmission processing which concerns on embodiment of this invention. It is a flowchart which shows the flow of the switch assistance process which concerns on embodiment of this invention. (A)-(d) is a figure which shows an example of the display screen of the communication terminal which activated the system diagram display application which concerns on embodiment of this invention. It is a flowchart which shows the flow of the telephone pole directory assistance processing which concerns on embodiment of this invention.

Hereinafter, the maintenance information providing device, the maintenance information providing method, and the embodiment of the program according to the present invention will be described in detail with reference to the drawings. In each drawing, the same or equivalent parts are designated by the same reference numerals.

The maintenance information providing system, for example, provides maintenance information, which is information related to the maintenance of infrastructure equipment arranged in a wide area, to users such as commanders and workers. Infrastructure equipment includes, for example, distribution lines, transmission lines, communication lines, gas pipes and equipment incidental thereto. The maintenance information includes, for example, information on power outages of distribution lines, transmission lines, etc., information on accidents, information on failures, information indicating an operating state, and the like. Hereinafter, as an example of the maintenance information providing system, a case where the power failure information providing system is used to provide the power failure information of the distribution line to the user will be described. In this case, the maintenance information providing system provides the maintenance information to the user. Not limited.

As shown in FIG. 1, the power failure information providing system 1 acquires information indicating the position of the communication terminal 100 (position information) and information regarding the power failure of the distribution line (power failure information), and the acquired position of the communication terminal 100. The distribution system diagram is updated based on the information and the power failure information, and the updated distribution system diagram is provided to the user. Further, the power failure information providing system 1 executes route guidance to the on-site worker based on the acquired position information of the communication terminal 100 and the information on the destination to which the worker should go, which is instructed by the commander.

In the embodiment, the "power failure information" includes all information related to the power failure of the distribution line, and includes not only information (system information) regarding the power failure section of the distribution line, the reverse feed section, the open / closed state of the switch, etc., for example. Includes image data of photographs (site photographs) taken by workers at the site, text data of memos (accident memos) created by workers regarding the accident situation at the site, and the like. The "distribution system diagram" is a map showing the arrangement of distribution lines and various distribution devices such as utility poles, switches, and banks connected to the distribution lines. In the distribution system diagram, for example, distribution lines are represented by lines, and utility poles, switches, banks, etc. are represented by various symbols.

The power failure information providing system 1 includes one or a plurality of communication terminals 100 and a power failure information providing server 200. The power failure information providing server 200 is an example of a maintenance information providing device that provides maintenance information to the user. The communication terminal 100 and the power failure information providing server 200 are connected to each other so as to be able to communicate with each other via a communication network such as the Internet.

The communication terminal 100 is, for example, a smartphone, a tablet terminal, or the like possessed by a worker. The communication terminal 100 acquires the position information of the communication terminal 100 at a predetermined cycle and transmits it to the power failure information providing server 200 in real time. Further, the communication terminal 100 uses the power failure information including the image data of the site photograph and the text data of the accident memo as the position information of the communication terminal 100 at the time when these data are generated according to the operation of the worker. It is associated and transmitted to the power failure information providing server 200. The communication terminal 100 is not limited to the case where the worker possesses it, and may be possessed by a user other than the worker.

The power failure information providing server 200 is, for example, a general-purpose computer. The power failure information providing server 200 stores power failure information including data related to the power distribution system diagram, position information transmitted from each communication terminal 100, image data of site photographs, text data of accident memos, and the like. Next, the power failure information providing server 200 displays a mark indicating the current position of the communication terminal 100 on the power distribution system diagram in response to a request from the operation unit 210, and accident memos and image data are displayed at the corresponding positions on the power distribution system diagram. Update the distribution system diagram to display the link to.

The power failure information providing server 200 may display the updated power distribution system diagram on the display unit 220, and transmits data related to the updated power distribution system diagram to the communication terminal 100 in response to a request from the communication terminal 100. May be good. Further, the power failure information providing server 200 is connected to a power distribution monitoring system (not shown) that monitors and controls a switch installed on a distribution line, and the power distribution monitoring system connects to a power failure section, a reverse running section, and a switch. Information on the opening / closing operation and the like may be received and reflected in the distribution system diagram.

In addition, the power failure information providing server 200 guides the on-site worker from the current position to the destination specified by the commander in response to the request from the commander who confirmed the updated distribution system diagram on the display unit 220. Information about the route to be performed may be transmitted to the communication terminal 100 possessed by the worker. Information about the route may be obtained from an external map information providing service, or may be provided from an internal navigation system. The above is the configuration of the power failure information providing system 1.

As shown in FIG. 2, the communication terminal 100 includes an operation unit 110, a display unit 120, a photographing unit 130, a GPS unit 140, a communication unit 150, a storage unit 160, and a control unit 170. Each part of the communication terminal 100 is connected to each other via an internal bus or the like.

The operation unit 110 receives the instruction of the worker and supplies the operation signal corresponding to the received operation to the control unit 170. For example, the operation unit 110 accepts a character input by a worker, a shooting operation on the shooting unit 130, and the like.

The display unit 120 displays various images to the worker based on the image data supplied from the control unit 170. The display unit 120 displays, for example, a screen for guiding a route to a destination, a power distribution system diagram, or the like.

The operation unit 110 and the display unit 120 may be configured by a touch panel. The touch panel displays an operation screen that accepts a predetermined operation, and supplies an operation signal corresponding to a position where the worker performs a contact operation on the operation screen to the control unit 170.

The photographing unit 130 takes a photograph showing the state of the accident site or the like, and transmits the image data obtained by the photographing to the control unit 170. The photographing unit 130 is a camera module including, for example, a CCD (Charge Coupled Device) image sensor or the like.

The GPS unit 140 receives a signal from a GPS satellite and detects the position (current position) of the communication terminal 100 at the time of acquiring the position information. The GPS unit 140 transmits position information indicating the current position of the communication terminal 100 to the control unit 170.

The communication unit 150 is an interface capable of connecting to a communication network such as the Internet.

The storage unit 160 includes a RAM (Random Access Memory), a ROM (Read Only Memory), a flash memory, and the like. The storage unit 160 stores a program and various data to be executed in the control unit 170. The storage unit 160 stores, for example, identification information of the communication terminal 100 such as a terminal ID (Identification). In addition, the storage unit 160 temporarily stores the position information, the power failure information, and the like of the communication terminal 100, and also functions as a work memory for the control unit 170 to execute the process. Further, the storage unit 160 includes a switch number data storage unit 161 and a utility pole number data storage unit 162.

As shown in FIG. 3A, the switch number data storage unit 161 stores the switch number information and the switch position information in association with each other. The switch number is a unique number assigned to each switch. As shown in FIG. 3B, the utility pole number data storage unit 162 stores the utility pole number information and the utility pole position information in association with each other. The utility pole number is a unique number assigned to each utility pole. The position information is, for example, information regarding latitude and longitude.

The control unit 170 includes a CPU (Central Processing Unit) and the like, and controls each unit of the communication terminal 100. By executing the program stored in the storage unit 160, the control unit 170 executes the position information transmission process of FIG. 7, the switch number guidance process of FIG. 13, and the utility pole directory assistance process of FIG. 15, respectively.

The control unit 170 functionally includes a position information transmission unit 171, an image data transmission unit 172, an accident memo data transmission unit 173, a switch number guide unit 174, and a utility pole number guide unit 175.

The position information transmission unit 171 controls the communication unit 230, and associates the position information of the communication terminal 100 acquired by the GPS unit 140 with the identification information of the communication terminal 100 and the information regarding the acquisition date and time of the position information to provide power failure information. Send to the providing server 200.

The image data transmission unit 172 controls the communication unit 230 and uses the image data of the site photograph acquired by the photographing unit 130 as the identification information of the communication terminal 100, the shooting date and time, and the position information of the communication terminal 100 at the time of shooting. The operator operates the operation unit 110 to transmit the information to the power failure information providing server 200 in association with the information related to the selected photo type.

The accident memo data transmission unit 173 controls the communication unit 230 to correspond the accident memo data input by the operation unit 110 with the identification information of the communication terminal 100, the creation date and time, the position information of the communication terminal 100 at the time of creation, and the like. It is attached and transmitted to the power failure information providing server 200.

The switch number guide unit 174 receives data related to the power distribution system diagram from the power failure information providing server 200 in response to a request from the worker, and displays the power distribution system diagram on the display unit 120. Further, the switch number guide unit 174 acquires the position information corresponding to the switch number specified by the operator from the switch number data storage unit 161 in response to the request from the worker, and acquires the position information from the GPS unit 140. Based on the position information of the communication terminal 100 and the position information corresponding to the switch number, the route guidance from the current position of the communication terminal 100 to the switch designated by the operator is executed.

The utility pole number guide unit 175 acquires the position information corresponding to the utility pole number specified by the operator from the utility pole number data storage unit 162 in response to the request from the worker, and the communication terminal 100 acquired from the GPS unit 140. Based on the position information and the position information corresponding to the utility pole number, the route guidance from the current position of the communication terminal 100 to the utility pole designated by the operator is executed. The above is the configuration of the communication terminal 100.

As shown in FIG. 4, the power failure information providing server 200 includes an operation unit 210, a display unit 220, a communication unit 230, a storage unit 240, and a control unit 250. Each part of the power failure information providing server 200 is connected to each other via an internal bus or the like.

The operation unit 210 receives the instruction of the commander and supplies the operation signal corresponding to the received operation to the control unit 250. The operation unit 210 includes, for example, a keyboard, a mouse, and the like. The operation unit 210 accepts, for example, an operation of displaying an image of the accident site and an operation of designating a destination to which the worker should go.

The display unit 220 displays various images toward the commander based on the image data supplied from the control unit 250. The display unit 220 displays, for example, a power distribution system diagram or the like. The display unit 220 is an example of an output unit that outputs a power distribution system diagram or the like.

The communication unit 230 is an interface capable of connecting to a communication network such as the Internet.

The storage unit 240 includes a RAM, a ROM, a flash memory, a hard disk drive, and the like. The storage unit 240 stores programs and various data to be executed in the control unit 250. Further, the storage unit 240 functions as a work memory for the control unit 250 to execute the process. Further, the storage unit 240 includes a position information storage unit 241, an image data storage unit 242, an accident memo data storage unit 243, a system diagram data storage unit 244, and a vehicle information storage unit 245.

As shown in FIG. 5A, the position information storage unit 241 stores the position information of the communication terminal 100 in association with the identification information of the communication terminal 100 and the information regarding the acquisition date and time of the position information.

As shown in FIG. 5B, the image data storage unit 242 uses the image data of the site photograph acquired from the communication terminal 100 as the identification information of the communication terminal 100, the shooting date and time, and the position information of the communication terminal 100 at the time of shooting. , Information on the photo type selected by the operator (for example, accident photo, pillar photo, maintenance photo), etc. is stored in association with the information.

As shown in FIG. 5C, the accident memo data storage unit 243 uses the text data of the accident memo acquired from the communication terminal 100 as the identification information of the communication terminal 100, the date and time when the memo is created, the position information at the time of memo creation, and the like. And store it in association with. Since the accident memo is displayed directly on the distribution system diagram, it is simply expressed as, for example, crow nesting, tree contact, windthrow occurrence, salt damage occurrence, and the like.

Returning to FIG. 4, the system diagram data storage unit 244 stores data related to the distribution system diagram. The distribution system diagram stored in the system diagram data storage unit 244 reflects, for example, an update of system information or the like by a distribution monitoring system or the like.

As shown in the specific example of FIG. 6A, a camera mark indicating a link to the image data is displayed at a position corresponding to the position where the operator took a picture in the power distribution system diagram. The commander can display an image such as an accident photograph in a separate window by right-clicking the camera mark. Further, in the distribution system diagram, the accident memo created by the worker is displayed at the position corresponding to the memo creation position. Therefore, the commander can appropriately check the image showing the site situation and the accident memo, and can quickly grasp the whole picture of the accident.

As shown in another specific example of FIG. 6B, in the power distribution system diagram, the commander operates the operation unit 210 to specify the GPS linked terminal name, and the communication terminal 100 that receives the position information is specified. By doing so, it is possible to display a mark (for example, a vehicle mark) indicating the current position (vehicle position) of the communication terminal 100 on the power distribution system diagram. The mark indicating the current position of the communication terminal 100 is set to a color, shape, or the like that can be distinguished for each communication terminal 100. The commander can guide the worker who possesses the communication terminal 100 to the destination designated by displaying the navigation mail transmission screen on the display unit 220 and performing a predetermined operation.

As shown in FIG. 5D, the vehicle information storage unit 245 displays the vehicle identification information assigned to each vehicle on the identification information of the communication terminal 100 possessed by the worker riding the vehicle and the power distribution system diagram. It is stored in association with the data related to the vehicle mark to be displayed. The correspondence relationship between the vehicle identification information and the identification information of the communication terminal 100 may be set by the commander operating the operation unit 210 and designating the communication terminal 100 corresponding to the vehicle.

Returning to FIG. 4, the control unit 250 includes a CPU and the like, and controls each unit of the power failure information providing server 200. By executing the program stored in the storage unit 240, the control unit 250 executes the system diagram update process of FIG. 8, the site photograph display process of FIG. 9, the vehicle position display process of FIG. 10, and the worker route of FIG. The guidance process and the system diagram transmission process of FIG. 12 are executed, respectively.

Functionally, the control unit 250 includes a position information acquisition unit 251, an image data acquisition unit 252, an accident memo data acquisition unit 253, a system diagram update unit 254, a site photo display unit 255, and a vehicle position display unit. It includes 256, a worker route guidance unit 257, and a system diagram transmission unit 258.

The position information acquisition unit 251 receives the position information of the communication terminal 100 and stores it in the position information storage unit 241 in association with the identification information of the communication terminal 100 and the information regarding the acquisition date and time of the position information, and also stores the position information storage unit 241. The position information of the communication terminal 100 is read from.

The image data acquisition unit 252 receives image data of the accident site taken from the communication terminal 100, and identifies the communication terminal 100, the shooting date and time, the position information of the communication terminal 100 at the time of shooting, and the photo type selected by the operator. The image data is stored in the image data storage unit 242 in association with the information related to the above, and the image data is read out from the image data storage unit 242.

The accident memo data acquisition unit 253 receives the accident memo data from the communication terminal 100, associates it with the identification information of the communication terminal 100, the creation date and time, the position information of the communication terminal 100 at the time of creation, and the like, and causes the accident memo data storage unit 243 to store the accident memo data. At the same time as storing it, the accident memo data is read out from the accident memo data storage unit 243.

The system diagram update unit 254 reads out the distribution system diagram data stored in the system diagram data storage unit 244, and the position information acquired by the position information acquisition unit 251 and the image data and accident memo data stored in the image data storage unit 242. The distribution system diagram is updated based on the accident memo data stored in the storage unit 243, and the data related to the updated distribution system diagram is stored in the system diagram data storage unit 244.

More specifically, the system diagram update unit 254 is located at the corresponding position of the power distribution system diagram read from the system diagram data storage unit 244, and is the current communication terminal 100 based on the position information acquired by the position information acquisition unit 251. A mark indicating the position (for example, a vehicle mark), an image link to the image data stored in the image data storage unit 242 (for example, a camera mark), and accident memo data stored in the accident memo data storage unit 243 are displayed. Update the distribution system diagram so that it is displayed.

In addition, "update" of the distribution system diagram is a case where the position information and the power failure information are placed on a layer different from the original data of the distribution system diagram, and the original data of the distribution system diagram is superimposed and updated without processing, and the distribution system diagram is updated. This includes the case where the location information and the power failure information are added and updated directly to the original data itself of the system diagram.

The site photo display unit 255 reads the image data corresponding to the image link selected by the commander from the image data storage unit 242, and displays the read image on the display unit 220 together with the photo type selected by the worker. For example, the commander operates the mouse of the operation unit 210 and right-clicks the link to display the image on the display unit 220.

The vehicle position display unit 256 receives the latest position information of the communication terminal 100 read from the position information storage unit 241 and the communication terminal 100 stored in the vehicle information storage unit 245 in response to the operation of the operation unit 210 by the commander. The vehicle mark is displayed at the corresponding position on the power distribution system diagram displayed on the display unit 220 based on the information regarding the vehicle mark corresponding to.

When the worker route guidance unit 257 receives an instruction from the commander regarding the destination to which the worker should go, the worker route guidance unit 257 receives the position information of the communication terminal 100 possessed by the worker and the position information of the destination instructed by the commander. Based on the above, a route from the current position of the communication terminal 100 to the destination is created, and information about the route is transmitted to the communication terminal 100. The worker route guidance unit 257 is an example of a route creation unit that creates a route from the current position of the communication terminal 100 to the destination. Information about the route may be created, for example, by acquiring it from an external map information providing service.

The system diagram transmission unit 258 transmits the distribution system diagram data reflecting the system information of the distribution line that changes every moment to each communication terminal 100 possessed by the worker in response to the instruction by the commander. When the system diagram transmission unit 258 receives an instruction from the commander to automatically update the distribution system diagram, each time the system information of the distribution line is updated, the system diagram data including the updated system information is output. It is stored in the system diagram data storage unit 244 and transmitted to each communication terminal 100.

The system information includes, for example, information on the power failure range of the distribution line, the open / closed state of the switch, the reverse power transmission range, and the like. The system information is provided to the power failure information providing server 200 from, for example, a power distribution monitoring system or the like. The above is the configuration of the power failure information providing server 200.

Next, with reference to FIGS. 7 to 15, a series of processing flows for sharing the power failure information executed by the power failure information providing system 1 according to the embodiment will be described.

(Location information transmission processing)
The flow of the position information transmission process executed by the communication terminal 100 will be described with reference to the flowchart of FIG. 7. The position information transmission process is a process of acquiring the position information of the communication terminal 100 and transmitting each of them to the power failure information providing server 200. The position information transmission process is started, for example, when the start button is pressed on the "location information transmission application" of the communication terminal 100.

First, the position information transmission unit 171 determines whether or not the operation unit 110 has accepted the operator's operation to transmit the position information of the communication terminal 100 to the power failure information providing server 200 (step S11).

When it is determined that the operator's operation has been accepted (step S11; Yes), the position information transmission unit 171 acquires the position information of the communication terminal 100 from the GPS unit 140 (step S12). The internal timer of the control unit 170 starts the timekeeping process when the process of step S12 is started. On the other hand, when it is determined that the operator's operation is not accepted (step S11; No), the process waits until the operator's operation is accepted.

After the processing of step S12 is completed, the position information transmission unit 171 stores the position information acquired in step S12 in the storage unit 160 in association with the identification information of the communication terminal 100 and the acquisition date and time of the position information (step S13). ).

Next, the position information transmission unit 171 controls the communication unit 150 to transmit the position information of the communication terminal 100 acquired in step S12 to the power failure information providing server 200 (step S14). When the power failure information providing server 200 receives the position information from the communication terminal 100, the power failure information providing server 200 stores the position information in the position information storage unit 241 in association with the identification information of the communication terminal 100 and the acquisition date and time of the position information.

After the processing of step S14 is completed, the position information transmitting unit 171 determines whether or not a predetermined period (for example, 1 second) has elapsed from the processing of step S12 (step S15).

When it is determined that a predetermined period has elapsed from the process of step S12 (step S15; Yes), the process returns to the process of step S12. On the other hand, when it is determined that the predetermined period has not elapsed from the process of step S12 (step S15; No), the process of timing by the internal timer of the control unit 170 is continued, and the process waits until the predetermined period elapses. To do. The above is the flow of the position information transmission process.

When providing the site photograph to the command side while the position information transmission process by the communication terminal 100 is being executed, the worker operates, for example, the operation unit 110 to "photograph transmission application" of the communication terminal 100. Start, take a picture of the site situation, select the type of picture taken, and tap the send tab to instruct to send the image data. When the image data transmission unit 172 receives the instruction to transmit the image data, the image data transmission unit 172 controls the communication unit 150 to transmit the image data to the power failure information providing server 200. When the power failure information providing server 200 receives the image data from the communication terminal 100, it corresponds to the identification information of the communication terminal 100, the shooting date and time, the position information of the communication terminal 100 at the time of shooting, the information on the photo type selected by the operator, and the like. It is attached and stored in the image data storage unit 242.

Further, when the accident memo is provided to the command side during the execution of the position information transmission process by the communication terminal 100, the operator operates, for example, the operation unit 110 to activate the "accident memo transmission application" of the communication terminal 100. , Enter the accident memo and tap the send tab to instruct to send the text data of the accident memo. Upon receiving the instruction to transmit the text data, the accident memo data transmission unit 173 controls the communication unit 150 to transmit the text data to the power failure information providing server 200. When the power failure information providing server 200 receives the text data from the communication terminal 100, the power failure information providing server 200 stores the text data in the accident memo data storage unit 243 in association with the identification information of the communication terminal 100, the creation date and time, the position information of the communication terminal 100 at the time of creation, and the like. ..

(System diagram update process)
Next, the flow of the system diagram update process executed by the power failure information providing server 200 according to the embodiment will be described with reference to the flowchart of FIG. The system diagram update process is necessary for the commander to grasp the state of the distribution line at the corresponding position on the distribution system diagram based on the position information of the communication terminal 100 acquired from each communication terminal 100 and various maintenance information. This is the process of updating the distribution system diagram so that maintenance information is displayed. The system diagram update process is started when the power failure information providing server 200 is started.

First, the position information acquisition unit 251 reads the position information of the communication terminal 100 from the position information storage unit 241 (step S21).

Next, the image data acquisition unit 252 reads out the image data obtained by photographing the accident site from the image data storage unit 242 (step S22).

Next, the accident memo data acquisition unit 253 reads the accident memo data from the accident memo data storage unit 243 (step S23).

Next, the system diagram updating unit 254 determines whether or not the operation unit 210 has accepted the operation of the commander to display the distribution system diagram on the display unit 220 (step S24). The commander operates the operation unit 210 to give an instruction to display the power distribution system diagram on the display unit 220.

When it is determined that the commander's operation to display the distribution system diagram on the display unit 220 has been accepted (step S24; Yes), the system diagram update unit 254 reads the data related to the distribution system diagram from the system diagram data storage unit 244. (Step S25). On the other hand, when it is determined that the operation of the commander to display the distribution system diagram on the display unit 220 is not accepted (step S24; No), the process returns to the process of step S21.

After the processing of step S25 is completed, the system diagram update unit 254 is located at the position corresponding to the position information on the power distribution system diagram based on the position information and the image data of each communication terminal 100 stored in the image data storage unit 242. A link to the image data stored in the image data storage unit 242 is added to the image data storage unit 242 (step S26). Specifically, the layer of the camera mark may be superimposed on the layer of the distribution system diagram.

Next, the system diagram update unit 254 is a position corresponding to the position information on the power distribution system diagram based on the position information of each communication terminal 100 stored in the accident memo data storage unit 243 and the text data of the accident memo. The accident memo read from the accident memo data storage unit 243 is added to (step S27). Specifically, the accident memo layer may be superimposed on the distribution system diagram layer.

Next, the system diagram updating unit 254 stores the distribution system diagram updated in the processes of steps S26 and S27 in the system diagram data storage unit 244, and displays the distribution system diagram as shown in FIG. 6A. It is displayed on the unit 220 (step S28), and the process is returned to step S21. The above is the flow of the system diagram update process.

(Site photo display processing)
Next, with reference to the flowchart of FIG. 9, the flow of the site photograph display process executed by the power failure information providing server 200 according to the embodiment will be described. The on-site photo display process is a process of reading image data from the image data storage unit 242 in response to an operation of the operation unit 210 by the commander and displaying the image data on the display unit 220. Hereinafter, it is assumed that the system diagram update process of FIG. 8 has already been executed and the distribution system diagram shown in FIG. 6A is displayed on the display unit 220.

First, the site photograph display unit 255 determines whether or not the operation unit 210 has accepted the operation of the commander to display the image (step S31). For example, the commander right-clicks the image link (camera mark) of the power distribution system diagram displayed on the display unit 220 and instructs the display unit 220 to display the image.

When it is determined that the operation unit 210 has accepted the operation of the commander (step S31; Yes), the site photo display unit 255 reads out the image data corresponding to the link from the image data storage unit 242 (step S32), and the power distribution system diagram. Is displayed on the display unit 220 using a window different from the window in which is displayed (step S33), and the process is terminated. On the other hand, when the operation unit 210 determines that the commander's operation is not accepted (step S31; No), the process waits until the commander's operation is accepted. The above is the flow of the on-site photo display processing.

(Vehicle position display processing)
Next, the flow of the vehicle position display process executed by the power failure information providing server 200 according to the embodiment will be described with reference to the flowchart of FIG. In the vehicle position display process, the position information of the communication terminal 100 corresponding to the designated vehicle is read from the position information storage unit 241 in response to the operation of the operation unit 210 by the commander, and the vehicle mark is displayed on the power distribution system diagram. It is a process. Hereinafter, it is assumed that the system diagram update process of FIG. 8 has already been executed and the distribution system diagram shown in FIG. 6B is displayed on the display unit 220.

First, the commander operates the operation unit 210, for example, clicks the "vehicle position display button" from the "vehicle management menu" of the power distribution system diagram displayed on the display unit 220, and causes the display unit 220 to display the vehicle. By specifying, an instruction is given to display the vehicle mark on the distribution system diagram.

The vehicle position display unit 256 determines whether or not the operation unit 210 has received the instruction of the commander to display the vehicle mark (step S41). When it is determined that the operation unit 210 has received the instruction of the commander to display the vehicle mark (step S41; Yes), the process is moved to step S42. On the other hand, when it is determined that the operation unit 210 has not received the instruction of the commander to display the vehicle mark (step S41; No), the process waits until the instruction of the commander is received.

In the case of Yes in the process of step S41, the vehicle position display unit 256 reads out the identification information and the vehicle mark of the communication terminal 100 corresponding to the designated vehicle from the vehicle information storage unit 245 (step S42), and reads them in step S42. The position information corresponding to the identification information of the communication terminal 100 is read from the position information storage unit 241 (step S43).

Next, the vehicle position display unit 256 is designated to a corresponding position on the power distribution system diagram based on the vehicle mark read in step S42 and the position information of the communication terminal 100 read in step S43. The vehicle position is displayed by adding the vehicle mark corresponding to the vehicle (step S44). Specifically, the layer of the vehicle mark may be superimposed on the layer of the distribution system diagram.

Next, the vehicle position display unit 256 determines whether or not the position information of the communication terminal 100 corresponding to the designated vehicle has been updated (step S45). When it is determined that the position information of the communication terminal 100 has been updated (step S45; Yes), the vehicle position display unit 256 returns to step S43 and reads out the new position information. On the other hand, when it is determined that the position information of the communication terminal 100 has not been updated (step S45; No), the process waits until the position information of the communication terminal 100 is updated. The above is the flow of the vehicle position display process.

(Worker route guidance processing)
Next, the flow of the worker route guidance process executed by the power failure information providing server 200 according to the embodiment will be described with reference to the flowchart of FIG. The worker route guidance process is information necessary for executing route guidance from the current position of the communication terminal 100 to the destination based on the position information of the communication terminal 100 possessed by the worker and the position information of the destination. Is a process of transmitting to the communication terminal 100 possessed by the worker. Hereinafter, it is assumed that the system diagram update process of FIG. 8 has already been executed and the distribution system diagram shown in FIG. 6B is displayed on the display unit 220.

First, the commander designates the communication terminal 100 that operates the operation unit 210 to perform GPS linkage. Specifically, with reference to the power distribution system diagram shown in FIG. 6B, for example, the communication terminal 100 that implements GPS linkage is designated by selecting the dispatched vehicle position, occupant, contact information, and the like.

The system diagram update unit 254 determines whether or not the operation of the commander to specify the communication terminal 100 that performs GPS linkage has been accepted (step S51). When it is determined that the operation of the commander to specify the communication terminal 100 has been accepted (step S51; Yes), the system diagram update unit 254 uses the latest position information of the communication terminal 100 stored in the position information storage unit 241. Based on this, as shown in FIG. 6B, a vehicle mark (mark indicating the current position) of each communication terminal 100 is added on the power distribution system diagram displayed on the display unit 220 (step S52). Specifically, the layer of the vehicle mark may be superimposed on the layer of the distribution system diagram. On the other hand, when it is determined that the operation of the commander to be designated by the communication terminal 100 is not accepted (step S51; No), the process waits until the operation of the commander to be designated by the communication terminal 100 is accepted.

Next, the commander displays the "navigation mail transmission screen" on the display unit 220, specifies the position where he / she wants to guide the field worker who possesses the designated communication terminal 100, and inputs a message as necessary. , Instruct to send an email. Specifically, the operator operates the operation unit 210 and clicks the position to be guided on the distribution system diagram to specify the destination for guiding the worker. After the process of step 52 is completed, the worker route guidance unit 257 determines whether or not the operation of the commander to instruct the worker to send an e-mail has been accepted (step S53).

When it is determined that the commander's operation to instruct the mail transmission has been accepted (step S53; Yes), the worker route guidance unit 257 provides information for guiding the worker to the local communication terminal 100. (Route guidance information) is created (step S54). The route guidance information is, for example, information regarding the URL of a website that can execute route guidance to workers. For example, the worker route guidance unit 257 creates a URL with the current location and the destination entered on the website so that the route guidance can be executed simply by selecting the "Send" tab. On the other hand, when it is determined that the operation of the commander to instruct the mail transmission is not accepted (step S53; No), the process waits until the operation instructing the mail transmission is accepted.

After executing the process of step S54, the worker route guidance unit 257 controls the communication unit 230 to transmit the information created in step S54 by e-mail or the like (step S55). For example, the worker clicks the URL of the mail displayed on the display unit 120 of the communication terminal 100 to start the navigation to guide to the destination. The above is the flow of worker route guidance processing.

(System diagram transmission processing)
Next, the flow of the system diagram transmission process executed by the power failure information providing server 200 according to the embodiment will be described with reference to the flowchart of FIG. In the system diagram transmission process, the distribution system diagram data reflecting the system information of the distribution line that changes every moment is read from the system diagram data storage unit 244 in response to the operation of the operation unit 210 by the commander, and the communication terminal on the local side. This is a process of transmitting to 100.

First, the commander causes the display unit 220 to display the "system diagram mail transmission screen" with reference to the power distribution system diagram shown in FIG. 6 (b). After that, the commander selects the identification number and the like of the communication terminal 100 and specifies the system information to be transmitted to the communication terminal 100 by selecting the numerical code and the like set for each system unit. Further, the commander selects, for example, either automatic update or manual update of the distribution system diagram.

The system diagram transmission unit 258 determines whether or not the operation unit 210 has accepted the operation of the commander to specify the system information to be transmitted to the communication terminal 100 (step S61). When it is determined that the operation of the commander to specify the system information has been accepted (step S61; Yes), the process proceeds to step S62. When it is determined that the operation of the commander to specify the system information is not accepted (step S61; No), the process waits until the operation of the commander to specify the system information is accepted.

Next, the system diagram transmission unit 258 determines whether or not the commander has selected automatic update of the distribution system diagram (step S62). When it is determined that the automatic update of the distribution system diagram is selected (step S62; Yes), the process proceeds to step S63. When it is determined that the automatic update of the distribution system diagram is not selected, that is, when it is determined that the manual update of the distribution system diagram is selected (step S62; No), the process proceeds to step S66.

If Yes in the process of step S62, the system diagram transmission unit 258 determines whether or not the system information selected for each system has been updated (step S63). When it is determined that the system information selected for each system unit has been updated (step S63; Yes), the system diagram transmission unit 258 stores the distribution system diagram data including the updated system information in the system diagram data storage unit 244. (Step S64), the data is transmitted to the designated communication terminal 100 using e-mail or the like (step S65). On the other hand, when it is determined that the system information selected in the system unit has not been updated (step S63; No), the system waits until the system information selected in the system unit is updated.

On the other hand, if No in step S62, the system diagram transmission unit 258 reads the distribution system diagram data stored in the system diagram data storage unit 244 and transmits it to the designated communication terminal 100 by e-mail or the like (step S66). ), End the process. The above is the flow of the system diagram transmission process.

(Switch directory assistance processing)
Next, the flow of the switch guidance process executed by the communication terminal 100 according to the embodiment will be described with reference to the flowchart of FIG. 13 and the specific example of the screen of FIG. The switch guidance process is a process of providing a worker with route guidance to a desired switch.

First, the worker activates the "system diagram display application" of the communication terminal 100 and operates the operation unit 110 to instruct the download of the distribution system diagram. Then, the switch number guide unit 174 requests the power failure information providing server 200 to transmit the real-time distribution system diagram data (step S71). Upon receiving the request, the system diagram transmission unit 258 of the power failure information providing server 200 controls the communication unit 230 to read the distribution system diagram data from the system diagram data storage unit 244 and transmit it to the communication terminal 100 on the local side. The power failure information providing server 200 may, for example, attach a file of distribution system diagram data to an e-mail and transmit it to the communication terminal 100.

Next, the switch number guide unit 174 receives the power distribution system diagram data from the power failure information providing server 200 using the communication unit 150 (step S72), and displays the power distribution system diagram as shown in FIG. 14 (a). It is displayed on the display unit 120 together with the "switch assistance" tab that receives the instruction of the switch number guidance by the worker (step S73). The worker displays the power distribution system diagram on the system diagram display application, for example, by selecting the file attached to the received mail. In the power distribution system diagram, the current position of the worker is displayed as a symbol based on the position information of the communication terminal 100 possessed by the worker.

Next, the switch number guide unit 174 determines whether or not the operator's operation to instruct the switch number guide has been accepted (step S74). For example, the worker selects the “switch assistance” tab displayed on the display unit 120 together with the power distribution system diagram as shown in FIG. 14 (b), and “switch” as shown in FIG. 14 (c). By selecting the desired switch number from the "list of switch numbers" displayed by selecting the "guidance" tab, the start of switch number guidance is instructed.

When it is determined that the operation of the worker instructing the switch number guidance has been accepted (step S74; Yes), the switch number guidance unit 174 reads the position information corresponding to the switch number from the switch number data storage unit 161. As shown in (Step S75) and FIG. 14 (d), the destination corresponds to the switch number based on the position information indicating the current position of the communication terminal 100 and the position information read in step S75. (Step S76) is executed, and the process is terminated. The route guidance may be executed by accessing a website capable of executing the route guidance, as in the case of the worker route guidance processing, for example. On the other hand, when it is determined that the operation of the worker instructing the switch number guidance is not accepted (step S74; No), the process waits until the operation instructing the switch number guidance is accepted. The above is the flow of switch number guidance processing.

(Telephone pole directory assistance processing)
Next, the flow of the telephone pole directory assistance processing executed by the communication terminal 100 according to the embodiment will be described with reference to the flowchart of FIG. The utility pole number guidance process is a process of executing route guidance to a desired utility pole for a worker.

First, the utility pole directory assistance unit 175 determines whether or not the operator's operation to instruct the utility pole directory assistance has been accepted (step S81). For example, the worker activates the "telephone pole number guidance" application of the communication terminal 100 and inputs the utility pole number to instruct guidance to the utility pole.

When it is determined that the operator's operation to instruct the utility pole number guidance has been accepted (step S81; Yes), the process is moved to step S82. On the other hand, when it is determined that the operator's operation to instruct the utility pole directory assistance instruction is not accepted (step S81; No), the utility pole directory assistance unit 175 processes until the operator accepts the utility pole directory assistance instruction. Wait.

In the case of Yes in the process of step S81, the utility pole number guide unit 175 reads out the position information corresponding to the utility pole number from the utility pole number data storage unit 162 (step S82), and the position information indicating the current position of the communication terminal 100 and step S82. Based on the position information read in step 2, route guidance is executed with the position corresponding to the utility pole number as the destination (step S83), and the process is completed. The route guidance may be executed by accessing a website capable of executing the route guidance, as in the case of the worker route guidance processing, for example. The above is the flow of the utility pole directory assistance process.

As described above, the power failure information providing server 200 according to the embodiment is located at a position corresponding to the position information on the distribution system diagram based on the position information of the communication terminal 100 and the power failure information corresponding to the position information. Update the distribution system diagram to display power outage information. Therefore, power outage information including information on site photographs and accident memos can be easily shared between the command side and the local side.

Further, the power failure information providing server 200 according to the embodiment acquires the position information of the communication terminal 100 from the communication terminal 100 at a predetermined cycle, and determines the position of the communication terminal 100 based on the acquired position information of the communication terminal 100. The indicated mark is displayed on the distribution system diagram. Therefore, the commander can quickly grasp the position of the worker and dispatch an appropriate worker to the site.

Further, the power failure information providing server 200 according to the embodiment provides the communication terminal 100 possessed by the worker with information on the distribution system diagram including detailed information necessary for accident recovery and route guidance to the destination for the worker. You can send information to do it. Therefore, unlike the case of using a paper medium, it is possible to prevent the distribution system diagram including sensitive information from being lost or soiled, and even a worker who does not know the land can easily go to the accident site.

The present invention is not limited to the above embodiment, and the modifications described below are also possible.

(Modification example)
In the above embodiment, the power failure information providing system 1 includes a communication terminal 100 and a power failure information providing server 200, but the present invention is not limited to this. For example, the power failure information providing server 200, the authentication device, and the mail server may be connected via an in-house network or the like, and the mail server and the communication terminal 100 may be connected via the Internet or the like.

The authentication device individually authenticates each communication terminal 100, and transmits information such as power failure information by e-mail or the like to the communication terminal 100 authenticated by the power failure information providing server 200. The authentication device transmits, for example, a file including data related to the power distribution system diagram read from the power failure information providing server 200 to the mail server.

The mail server executes transmission / reception of mail between the communication terminal 100 and the authentication device. The mail server attaches the file transmitted from the authentication device to the mail and sends it to the communication terminal 100. By limiting the communication between the communication terminal 100 and the authentication device to the one via the mail server, unauthorized access can be prevented and security can be ensured.

A firewall may be provided between the authentication device and the mail server, and between the communication terminal 100 and the mail server.

In the above embodiment, the communication terminal 100 transmits the location information and the power failure information to the power failure information providing server 200, but the present invention is not limited to this. For example, the communication terminal 100 requests the power failure information providing server 200 to transmit the position information of the other communication terminal 100 acquired from the other communication terminal 100 by the power failure information providing server 200 according to the operation of the worker, and provides the power failure information. The server 200 may read the position information of another communication terminal 100 requested from the communication terminal 100, add it on the power distribution system diagram, and transmit it to the request destination communication terminal 100.

In the above embodiment, GPS is used for acquiring the position information of the communication terminal 100, but the present invention is not limited to this. For the acquisition of the position information of the communication terminal 100, for example, another satellite positioning system (GNSS) such as Galileo may be used.

In the above embodiment, various data are stored in the storage units 160 and 240, but the present invention is not limited to this. For example, an upper limit of the amount of data of various data is set, and it is periodically determined whether or not the amount of data of various data has reached the upper limit. You may delete it.

In the above embodiment, the image data link and the accident memo are added to the distribution system diagram in the system diagram update process, but the present invention is not limited to this. For example, in addition to the above, a mark (for example, a vehicle mark) indicating the current position of the communication terminal 100 may be added to the power distribution system diagram. Specifically, in the system diagram update process, the same or equivalent process as the process of steps S42 to S45 of the vehicle position display process may be executed after the process of step S25 is completed.

In the above embodiment, the commander specifies the position for guiding the worker in the worker route guidance process, but the present invention is not limited to this. For example, the storage unit 240 of the power failure information providing server 200 is provided with the same configuration as the switch number data storage unit 161 and the utility pole number data storage unit 162 of the communication terminal 100, and the switch number guidance process and the utility pole number guidance process are performed. Similarly, the operation unit 210 may be operated to specify the switch number and the utility pole number.

In the above embodiment, various data are stored in the storage unit 160 of the communication terminal 100 and the storage unit 240 of the power failure information providing server 200, but the present invention is not limited thereto. For example, all or part of the various data may be stored in an external server, computer, or the like via a communication network.

In the above embodiment, the Internet or the like is used as the communication network, but the present invention is not limited to this. For example, the communication network may be realized by using a LAN (Local Area Network), a dedicated line, or the like.

In the above embodiment, the communication terminal 100 and the power failure information providing server 200 operate based on the programs stored in the storage units 160 and 240, respectively, but the present invention is not limited thereto. For example, the functional configuration realized by the program may be realized by hardware.

In the above embodiment, the power failure information providing server 200 is, for example, a general-purpose computer, but the present invention is not limited to this. For example, the power failure information providing server 200 may be realized by a dedicated system or may be a computer provided on the cloud.

In the above embodiment, the processing executed by the communication terminal 100 and the power failure information providing server 200 is realized by executing the program stored in the storage units 160 and 240 by the device having the above-mentioned physical configuration. However, the present invention may be realized as a program or as a storage medium in which the program is recorded.

Further, the program for executing the above-mentioned processing operation can be read by a computer such as a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), a DVD (Digital Versatile Disk), or an MO (Magneto-Optical Disk). A device that executes the above-mentioned processing operation may be configured by storing it in a recording medium, distributing it, and installing the program on a computer.

In the above embodiment, the distribution system including the distribution line and the device connected to the distribution line is monitored, and the power failure information is additionally displayed on the distribution system diagram, but the present invention is limited to this. I can't. Various maintenance information may be added and displayed on the system diagram showing the arrangement of various infrastructure facilities attached to a wide area. For example, the power transmission system may be monitored and power failure information or information indicating the operating status of various power transmission facilities may be added on the power transmission system diagram. The gas pipe system may be monitored and gas may be added to the gas pipe system diagram. Information indicating a leak, information indicating the operating status of various gas supply facilities, and the like may be added. Further, the monitoring target may be, for example, a transportation infrastructure network such as an expressway or a railway, a communication network, water and sewage, and the like.

The above-described embodiment is an example, and the present invention is not limited thereto, and various embodiments are possible without departing from the spirit of the invention described in the claims. The components described in each embodiment and modification can be freely combined. The present invention also includes inventions equivalent to those described in the claims.

100 Communication terminal 200 Power failure information providing server 210 Operation unit 220 Display unit 230 Communication unit 240 Storage unit 244 System diagram data storage unit 250 Control unit 251 Position information acquisition unit 252 Image data acquisition unit 253 Accident memo data acquisition unit 254 System diagram update unit 255 Site photo display unit 256 Vehicle position display unit 257 Worker route guidance unit

In order to achieve the above object, the maintenance information providing device according to the present invention
A storage unit that stores a system diagram showing the layout of infrastructure equipment,
Obtains the location information of the communication terminal with a predetermined period, an acquisition unit that acquires maintenance information about maintenance produced the infrastructure in association with the position information,
The stored system diagram is read out, and based on the acquired position information and maintenance information, the current position of the communication terminal is set at a position corresponding to the acquired position information on the read system diagram. a system diagram updating unit for updating the system diagram to show the maintenance information is the acquisition and mark indicating,
To be equipped.

Claims (10)

A storage unit that stores a system diagram showing the layout of infrastructure equipment,
An acquisition unit that acquires the location information of the communication terminal and maintenance information related to the maintenance of infrastructure equipment generated in association with the location information.
The stored system diagram is read out, and based on the acquired position information and maintenance information, the acquired maintenance information is moved to a position corresponding to the acquired position information on the read system diagram. A system diagram update section that updates the system diagram so that it is displayed,
Maintenance information providing device. The acquisition unit acquires the position information of the communication terminal at a predetermined cycle, and obtains the position information.
The system diagram update unit updates the mark indicating the position of the communication terminal displayed on the system diagram based on the acquired position information.
The maintenance information providing device according to claim 1. The acquisition unit stores the maintenance information in the storage unit in association with the position information of the communication terminal at the time when the maintenance information is created.
The system diagram update unit updates the system diagram so as to display maintenance information at a position on the system diagram corresponding to the stored position information.
The maintenance information providing device according to claim 1 or 2. Maintenance information is image data of photographs taken by the user at the site.
The system diagram update unit updates the system diagram so as to display a link to the image data at a position on the system diagram corresponding to the stored position information.
The maintenance information providing device according to claim 3. A display unit that displays the updated system diagram, and
When the user who confirms the displayed system diagram selects the link of the image data of the system diagram, the image data corresponding to the link of the image data is read out from the storage unit, and a photograph based on the image data is displayed on the display unit. The site photo display section to be displayed and
The maintenance information providing device according to claim 4. Maintenance information is text data of a memo that the user describes the situation at the site.
The system diagram update unit updates the system diagram so as to display a memo based on text data at a position on the system diagram corresponding to the stored position information.
The maintenance information providing device according to claim 3. An operation unit that accepts an operation for inputting information about a destination to which a user having a communication terminal should go, and an operation unit.
A route creation unit that creates a route from the current position of the communication terminal to the destination based on the acquired position information and information about the destination received by the operation unit.
A transmitter that transmits information about the created route to the communication terminal,
To prepare
The maintenance information providing device according to any one of claims 1 to 6. Infrastructure equipment is distribution lines and equipment connected to the distribution lines.
Maintenance information is power outage information related to power outages of distribution lines.
The maintenance information providing device according to any one of claims 1 to 7. The step of acquiring the location information of the communication terminal and the maintenance information related to the maintenance of the infrastructure equipment generated in association with the location information, and
A system diagram showing the arrangement of infrastructure equipment is read from the storage unit, and based on the acquired position information and maintenance information, the acquisition is performed at a position corresponding to the acquired position information on the read system diagram. Steps to update the system diagram to display the maintenance information that has been done, and
Maintenance information provision method including. Computer,
A means for acquiring the location information of a communication terminal and maintenance information related to the maintenance of infrastructure equipment generated in association with the location information.
A system diagram showing the arrangement of infrastructure equipment is read from the storage unit, and based on the acquired position information and maintenance information, the acquisition is performed at a position corresponding to the acquired position information on the read system diagram. Means to update the system diagram to display the maintenance information that has been done,
A program to function as.