JP7204591B2 - Maintenance management device and maintenance management system for power distribution equipment - Google Patents

Description

The present invention relates to a maintenance management device and a maintenance management system for power distribution equipment.

A characteristic value measurement system for reliably measuring various characteristic values of electric facilities installed in a large number for maintenance management of electric power facilities such as utility poles is disclosed in, for example, Japanese Patent Application Laid-Open No. 2011-133986 (patent Reference 1).

In the characteristic value measuring system of Patent Document 1, in a configuration in which a characteristic value measuring device placed on an electric work such as a utility pole and a management computer are communicably connected via a communication network, the characteristic value measuring device receives from a satellite Measured position information is acquired from GPS (Global Positioning System) data, and an abnormality is detected by comparing the acquired measured position information with facility position information in the management computer.

JP 2011-133986 A

When installing new electrical equipment such as a utility pole, it is necessary to newly register the new equipment with an equipment maintenance system to which the characteristic value measurement system of Patent Document 1 can be applied. For example, for such new registration, if the location information is completely manually entered, the work becomes inefficient. On the other hand, if the work is only to automatically register the transmitted information, there is a concern that it will be insufficient to check whether the data corresponding to the equipment has been correctly registered.

The present invention was made to solve such problems, and the object of the present invention is to:
To efficiently execute new registration of distribution equipment to be added to maintenance management targets.

In one aspect of the present invention, a maintenance management device for distribution equipment includes an information communication unit, an equipment database, and an equipment registration unit. The information communication unit receives measurement information of the distribution equipment by a detection device provided in the distribution equipment together with identification information of the distribution equipment. The equipment database stores location information of power distribution equipment in association with identification information. The measurement information includes measurement values related to the location information of the power distribution equipment. In the facility database, the primary input value of the position information is stored in advance in association with the identification information for the newly registered power distribution facility. When the measurement information received by the information communication unit is the information received for the first time from the distribution equipment of the identification information, the equipment registration unit stores the location information of the distribution equipment corresponding to the identification information in the equipment database. When the difference value between the received primary input value and the initially received measurement value is smaller than a predetermined reference value, the position information stored in the equipment database is updated according to the measurement value.

In another aspect of the present invention, a maintenance management system for distribution equipment includes a maintenance device and a maintenance management device. The maintenance device has a detection device provided in the distribution equipment, and transmits measurement information of the distribution equipment by the detection device together with identification information of the distribution equipment. The measurement information includes measurement values related to the location information of the power distribution equipment. The maintenance management device collects the measurement information and identification information transmitted from the maintenance device. The maintenance management device includes an information communication unit, an equipment database, and an equipment registration unit. The information communication unit receives the measurement information and identification information of the power distribution equipment from the maintenance device. The equipment database stores location information of power distribution equipment in association with identification information. In the facility database, the primary input value of the position information is stored in advance in association with the identification information for the newly registered power distribution facility. When the measurement information received by the information communication unit is received for the first time from the distribution equipment of the identification information, the equipment registration unit stores the location information of the distribution equipment corresponding to the identification information in the equipment database. When the difference value between the primary input value and the first received measurement value is smaller than a predetermined reference value, the location information stored in the equipment database is updated according to the measurement value.

According to the present invention, when a measured value related to location information is received from a newly registered power distribution facility for the first time, the location registration information of the power distribution facility can be updated from a pre-stored primary input value to the measured value. It is possible to efficiently execute new registration of distribution equipment to be added to maintenance management targets.

1 is a block diagram illustrating a configuration of a maintenance management system for power distribution equipment to which a maintenance management device according to an embodiment is applied; FIG. It is a block diagram explaining the hardware structural example of a maintenance management apparatus. It is a flow chart explaining control processing for equipment registration by a maintenance management device. FIG. 4 is a conceptual diagram illustrating a setting example of primary input values of location registration information of power distribution equipment; FIG. 2 is a conceptual diagram illustrating an example data structure of maintenance information of power distribution equipment stored in an equipment database; 4 is a flowchart for explaining control processing for abnormality detection by a maintenance management device;

BEST MODE FOR CARRYING OUT THE INVENTION Below, embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the same reference numerals are given to the same or corresponding parts in the drawings, and the description thereof will not be repeated in principle.

FIG. 1 is a block diagram for explaining the configuration of a maintenance system to which a distribution equipment maintenance management device according to the present embodiment is applied.

Referring to FIG. 1 , maintenance system 5 according to the present embodiment includes maintenance management device 100 , maintenance device 310 provided for each power distribution facility 300 constituting a power distribution system, and maintenance device 310 arranged in the vicinity of maintenance device 310 . and a communication relay facility 200 .

The maintenance management device 100 includes an information communication unit 120 , an equipment registration unit 130 , an abnormality detection unit 140 , a monitoring unit 150 and an equipment database 170 . Communication relay equipment 200 includes a wireless communication gateway (G/W) 210 and an information communication unit 220 .

The power distribution equipment 300 is, for example, a utility pole or a switchgear equipment of an underground distribution line. Each maintenance device 310 includes a battery 312 , a wireless communication device 315 and a detection device 320 . The wireless communication device 315 and the detection device 320 operate using the battery 312 as a power source. Thereby, each maintenance device 310 can operate autonomously even if an abnormality occurs in the power distribution system in which the power distribution equipment 300 is arranged. Each maintenance device 310 is associated with identification information (hereinafter also referred to as “ID information”) for each power distribution facility 300 .

The detection device 320 acquires at least measurement values (latitude data and longitude data) related to the position information of the power distribution equipment 300 through communication with GPS satellites (not shown). Further, when the power distribution equipment 300 is a utility pole, the detection device 320 is configured to include an inclination angle sensor to further acquire a measurement value (angle data) indicating the inclination angle of the utility pole. In this way, the measurement information by the detection device 320 includes at least the measurement value related to the location information of the power distribution facility 300 . When the power distribution equipment 300 is a utility pole, the measurement information further includes angle measurement values in addition to position information measurement values.

The wireless communication device 315 forms the multi-hop network 15 through wireless communication with the wireless communication device 315 in another maintenance device 310 within a certain distance and the wireless communication gateway 210 in the communication relay facility 200 .

Each maintenance device 310 outputs the measurement information from the detection device 320 to the multi-hop network 15 together with the ID information of the maintenance device 310 through the wireless communication device 315 . For example, the detection device 320 outputs measurement information to which ID information is added at regular intervals. Alternatively, the detection device 320 can also output the measurement information together with the ID information in response to a command from the maintenance management device 100 .

The information communication unit 220 in the communication relay equipment 200 communicates with the information communication unit 120 of the maintenance management device 100 via the communication line 10 of the power distribution system. The wireless communication gateway 210 performs various processes for communication connection between the multi-hop network 15 and the communication line 10 of the power distribution system, which have different communication protocols. As a result, the measurement information output from the detection device 320 of each maintenance device 310 can be collected by the maintenance management device 100 via the communication line 10 after being distinguished for each maintenance device 310 based on the ID information. becomes possible.

The wireless communication gateway 210 may have a function of editing the measurement information from each maintenance device 310 into a format that is easy for the maintenance management device 100 to handle. Also, the wireless communication gateway 210 may have a function of collectively transmitting control commands transmitted from the maintenance management device 100 via the communication line 10 to each maintenance device 310 in the multi-hop network 15. It is possible.

The maintenance management device 100 can be configured by a server (computer) 101 having the hardware configuration shown in FIG. 2, for example.

Referring to FIG. 2, server 101 includes a computing unit 102 having a CPU (Central Processing Unit), a storage unit 104 having a memory, an input unit 105 including a keyboard or mouse, and a liquid crystal display. and an interface 107 . The calculation unit 102 , the storage unit 104 , the input unit 105 , the display unit 106 and the interface 107 can mutually exchange data via the bus 109 . Using the interface 107, the information communication unit 120 in FIG. 1 can exchange data with the calculation unit 102, the storage unit 104, and the like.

For example, the functions of the facility registration unit 130, the abnormality detection unit 140, and the monitoring unit 150 can be realized by software processing in which the calculation unit 102 executes a program stored in the storage unit 104 in advance. The equipment database 170 can be configured using part of the memory area of the storage unit 104 .

Note that the server 101 does not have to be a dedicated device for the maintenance management device 100 , and the maintenance management device 100 can be configured by a part of the functions of the server 101 . For example, it is possible to realize the functions of the maintenance management device 100 by using a part of the server 101 for configuring the distribution system automation system. In this case, the equipment database 170 is shared by the automation system of the distribution system and the maintenance system of the present embodiment.

Next, operation of the maintenance management device 100 in response to reception of measurement information from each maintenance device 310 will be described.

FIG. 3 is a flowchart for explaining control processing for equipment registration by the maintenance management device 100. As shown in FIG.

Referring to FIG. 3, maintenance management device 100 determines whether or not measurement information has been received from maintenance device 310 in step (hereinafter simply referred to as "S") 100, and determines whether measurement information has been received. Then (when a YES determination is made in S100), the processes after S110, which will be described later, are activated. On the other hand, when the measurement information is not received (NO determination in S100), the processes after S110 are not activated. Therefore, the processing after S110 is started each time the measurement information from the maintenance device 310 is received. As described above, the ID information of maintenance device 310 is added to the measurement information.

The maintenance management device 100 determines in S110 based on the ID information added to the received measurement information whether or not the measurement information of the ID information is received from the maintenance device 310 for the first time. When receiving for the first time (when determined as YES in S110), the processing of S120 to S170 is executed for realizing the function of the equipment registration unit 130 for newly registering the distribution equipment 300 concerned.

Maintenance management device 100 reads the position registration information of the power distribution equipment of the ID information from equipment database 170 in S120. At this stage, the primary input value is stored as the location registration information of the power distribution equipment 300 to be newly registered.

FIG. 4 shows a conceptual diagram for explaining a setting example of primary input values of location registration information of power distribution equipment.

Referring to FIG. 4, a power distribution facility map 400 is drawn on display unit 106 (FIG. 2) based on map data stored in advance. Each point on the distribution facility map 400 is associated in advance with a combination of latitude data and longitude data.

By operating the input unit 105 (FIG. 2), the operator can move the pointer 405 indicating the arrangement location of the power distribution equipment. For example, by moving the pointer 405 to the installation location of the power distribution facility to fix the position and inputting the facility code (including ID information), the symbol 410 of the power distribution facility is registered. At this time, in the equipment database 170, the combination of latitude data and longitude data at the arrangement point of the symbol 410 on the power distribution equipment map 400 is associated with the ID information, and as the primary input value of the position registration information, Stored in facility database 170 . This allows the primary input values to be input to the facility database 170 without directly manually inputting the latitude data and the longitude data.

Again, referring to FIG. 3, maintenance management device 100, in S130, determines the difference between the location registration information (that is, the primary input value) read out in S120 and the measurement value related to the location information received for the first time in S100. Calculate the value. For example, the difference value can be distance-converted by taking the square root of the sum of the square value of the difference between the latitude data and the square value of the difference between the longitude data. Alternatively, a difference value may be obtained for each of the latitude data and the longitude data.

Furthermore, at S140, the difference value calculated at S130 is compared with a predetermined reference value. For example, the reference value can be set to a value smaller than a general installation interval in consideration of the installation interval of the power distribution equipment 300 .

When the difference value is smaller than the reference value (YES in S140), the maintenance management device 100 updates the position registration information in S150 according to the measured value (S100) related to the position information received for the first time. As a result, on the power distribution facility map 400, the roughly input position registration information can be updated to the actually measured accurate position information without the direct numerical input of the latitude data and longitude data. .

On the other hand, when the difference value is equal to or greater than the reference value (NO determination in S140), the maintenance management device 100 maintains the primarily input location registration information without updating it in S160. As a result, it is possible to prevent automatic erroneous registration of measurement information in other power distribution equipment due to erroneous linking due to erroneous input of ID information. That is, by checking the difference value, the erroneous input check of the ID information can be equivalently realized. Alternatively, automatic erroneous registration of an abnormal value of measurement information due to a measurement failure or the like can be prevented.

Furthermore, when receiving the measurement information from the utility pole, the maintenance management device 100 registers the measurement value related to the tilt angle in the measurement information received for the first time as the initial angle value in S170 after the processing of S150 or S160. As a result, a series of processes by the facility registration unit 130, which is started when the measurement information is received from the maintenance device 310 for the first time, ends.

FIG. 5 shows an example data structure of maintenance information for each power distribution facility 300 stored in the facility database 170 .

Referring to FIG. 5 , position registration information, previous position information, initial angle value, and previous angle value are stored in association with ID information for each power distribution equipment 300 . After the primary input value is temporarily stored as described with reference to FIG. 4, the location registration information is updated in S150 or not updated in S160 when the measurement information is received for the first time. In addition, the measurement value related to the position information received for the first time is temporarily stored as the previous position information when both S150 and S160 are executed. Also, the measured value of the angle received for the first time is stored as both the initial angle value and the previous angle value.

Referring to FIG. 3 again, when the reception of the measurement information in S100 is the second or subsequent reception of the ID information from the maintenance device 310 (NO determination in S110), the maintenance management device 100 determines that there is an abnormality. The processes of S210 to S250 shown in FIG. 6 for realizing the function of the detection unit 140 are executed.

Referring to FIG. 6 , maintenance management device 100 reads from facility database 170 position registration information, previous position information, initial angle value, and previous angle value of the power distribution facility of the ID information in S210. Further, in S220, the maintenance management device 100 receives the position information (measurement value) received in S100, the difference value between the position registration information and the previous position information, and the angle measurement value received in S100. A difference value between each of the initial angle value and the previous angle value is calculated. Furthermore, when the calculation of the difference value is completed, the previous position information and the previous angle value stored in the equipment database 170 are updated using the measurement information (measurement value) received in S100 this time.

In S230, the maintenance management device 100 compares the plurality of difference values calculated in S220 with the respective judgment values. Among the above-mentioned difference values, the difference value for the position registration information and the initial angle value indicates a change over time, and the difference value for the previous position information and the previous angle value indicates a change due to a sudden event such as an accident or disaster. ing. Each judgment value can also be set in advance so as to detect anomalies due to aging and anomalies due to sudden events.

When any difference value is greater than the determination value (YES determination in S230), the maintenance management device 100 detects an abnormality in the power distribution equipment 300 corresponding to the ID information in S240. In response to the abnormality detection in S240, the monitoring unit 150 shown in FIG. 1 outputs information to the operator that an abnormality has been detected in the power distribution equipment 300. In particular, by combining position information and angle information, it is possible to detect anomalies not only in the collapse of utility poles, but also in terrain changes caused by landslides and the like.

In addition, the monitoring unit 150 also outputs information for distinguishing whether an abnormality due to aged deterioration or an abnormality due to a sudden event is estimated according to which difference value exceeds the judgment value. is also possible.

On the other hand, when any of the difference values is equal to or less than the determination value (NO determination in S230), the maintenance management device 100 determines in S250 that the power distribution equipment 300 corresponding to the ID information is normal (abnormality not detected). to end the process.

As described above, according to the distribution equipment maintenance system according to the present embodiment, at the time of new registration of the distribution equipment 300, the location registration information of the distribution equipment is roughly compared with the value primarily input, and the maintenance It can be updated with the measurements at the sensing device 320 of the device 310 . As a result, accurate position information can be registered without directly manually inputting latitude and longitude data, accompanied by equivalent erroneous input check of ID information by comparison with primary input values. As a result, it is possible to efficiently execute new registration of the distribution equipment to be added to the maintenance management target.

The setting of the primary input values of the location registration information described with reference to FIG. 4 is just an example, and any method that does not manually input the latitude and longitude data can be used to input the primary input values to the facility database 170. It is possible to input to

It should be considered that the embodiments disclosed this time are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the scope of the claims rather than the above description, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

5 maintenance system, 10 communication line, 15 multi-hop network, 100 maintenance management device, 101 server, 102 calculation unit, 104 storage unit, 105 input unit, 106 display unit, 107 interface, 109 bus, 120, 220 information communication unit, 130 facility registration unit, 140 abnormality detection unit, 150 monitoring unit, 170 facility database, 200 communication relay facility, 210 wireless communication gateway, 300 power distribution facility, 310 maintenance device, 312 battery, 315 wireless communication device, 320 detection device, 400 power distribution Facility map, 405 pointer, 410 symbol (distribution facility).

Claims (6)

A maintenance management device for distribution equipment,
an information communication unit that receives measurement information of the distribution equipment by a detection device provided in the distribution equipment together with identification information of the distribution equipment;
a facility database in which location information of the power distribution facility is stored in association with the identification information;
the measurement information includes a measurement value related to the location information of the power distribution equipment;
A primary input value of the location information is stored in advance in the facility database in association with the identification information for the power distribution facility to be newly registered,
The maintenance management device
When the measurement information received by the information communication unit is received for the first time from the power distribution equipment with the identification information, the position information of the power distribution equipment corresponding to the identification information is stored in the equipment database. updating the location information stored in the equipment database according to the measured value when a difference value between the stored primary input value and the first received measured value is smaller than a predetermined reference value; A maintenance management device for power distribution equipment, further comprising an equipment registration unit for 2. The maintenance management device for distribution facilities according to claim 1, wherein said primary input values are input to said facility database without manual input of numerical values of latitude and longitude. Further comprising an anomaly detection unit that operates in response to receiving the second and subsequent measurement information from the power distribution equipment,
3. The maintenance management device for power distribution equipment according to claim 1, wherein said abnormality detection unit detects an abnormality in said power distribution equipment based on transition of measured values included in said received measurement information. The power distribution equipment is a utility pole,
4. The maintenance management device for power distribution equipment according to claim 1, wherein said measurement information includes said position information indicated by latitude and longitude, and inclination angles of said utility poles. A maintenance management system for power distribution equipment,
a maintenance device having a detection device provided in the power distribution equipment and transmitting measurement information of the power distribution equipment by the detection device together with identification information of the power distribution equipment;
a maintenance management device that collects the measurement information and the identification information transmitted from the maintenance device;
The measurement information includes measurement values related to location information of the power distribution equipment,
The maintenance management device
an information communication unit that receives the measurement information and the identification information of the power distribution equipment from the maintenance device;
an equipment database in which the location information of the power distribution equipment is stored in association with the identification information;
A primary input value of the location information is stored in advance in the facility database in association with the identification information for the power distribution facility to be newly registered,
The maintenance management device
When the measurement information received by the information communication unit is received for the first time from the power distribution equipment with the identification information, the location information of the power distribution equipment corresponding to the identification information is stored in the equipment database. updating the location information stored in the equipment database according to the measured value when a difference value between the primary input value received and the measured value received for the first time is smaller than a predetermined reference value. A distribution facility maintenance management system further comprising a facility registry. further comprising communication relay equipment for relaying communication between the maintenance device and the maintenance management device;
6. The maintenance management system for power distribution equipment according to claim 5, wherein said measurement information and said identification information of said power distribution equipment are transmitted from said maintenance device to said maintenance management device via said communication relay equipment.

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