JP2011237958A - Maintenance management system and maintenance management method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a maintenance management system and maintenance management method for preventing an erroneous inspection by an inspector at an inspection site even when devices to be inspected are in the same shape.SOLUTION: A maintenance management system (1) comprises a handy terminal (10). Using the handy terminal (10), an IC tag (25) corresponding to each of a plurality of devices (20) including the same shaped devices (20A, 20E) is read, information on the device corresponding to the IC tag (25) is acquired from a device information DB storing the information on the device corresponding to the IC tag, and the information is displayed on display means (13).

Description

  The present invention relates to a maintenance management system and method for maintaining and managing equipment provided in a power plant.

  The power plant is equipped with many measuring instruments (approximately 15,000 units) that measure pressure, temperature, flow rate, etc. in addition to pumps and solenoid valves, and these devices (pumps, solenoid valves, measuring instruments, etc.) Maintenance management is carried out by regularly inspecting the equipment (equipment provided in) by employees (inspectors) of the inspection management company. Conventionally, the specifications of these instruments have been managed in writing, and it is common for the power station to confirm the records submitted by the inspector after confirming the records, and then store the documents in the data room. Met.

  However, because the instrument specifications are managed in writing, searchability of the instrument specifications is poor, and matters that should be grasped by the inspector, such as special calculation formulas for the instruments, may be dissipated and incorrect instrument calibration may occur. was there. In addition, when the inspection results are managed in writing, the searchability is poor when examining the past inspection results, and labor is required to evaluate the deterioration from the past inspection data.

  For this reason, in recent years, a technique has been proposed in which the inspection results from the inspector are digitized and the retrieval of the inspection results is facilitated. For example, Patent Document 1 discloses a technology that facilitates the transfer of work status even when a plurality of persons in charge change and manage by centrally managing equipment state information and inspection work information and displaying them on a large screen. ing.

Japanese Patent Laid-Open No. 5-27078

  However, the technique disclosed in Patent Document 1 only displays information on a large screen that can be confirmed by many parties, and the inspector cannot confirm the information on site. Here, in a large facility such as a power plant, a large number of devices include devices with the same shape, and the inspector handles incorrect devices at the inspection site simply by centrally managing information. There was a risk of it.

  Therefore, an object of the present invention is to provide a maintenance management system and a maintenance management method that prevent an inspector from performing an erroneous inspection at an inspection site even if the devices have the same shape.

  (1) A maintenance management system for a power plant composed of a plurality of devices including devices having the same shape, and corresponding to the IC tag provided in association with each of the plurality of devices Device information storage means for storing information relating to the device to be performed, and a portable terminal carried by an inspector of the power plant and capable of reading the IC tag, the portable terminal corresponding to the read IC tag A maintenance management system comprising: communication means for receiving information related to the device information storage means; and display means for displaying the received information.

  According to the maintenance management system of (1), an IC tag associated with each of the devices provided in the power plant is provided so that it can be read from a portable terminal carried by an inspector. In the portable terminal, when the IC tag is read, information related to the corresponding device is displayed on the display means. Thereby, the inspector can acquire the information regarding the said apparatus only by reading the IC tag provided in the apparatus of the field while being in the inspection field. Therefore, even if the devices have the same shape, individual information can be appropriately acquired for the devices, and the inspector does not perform an erroneous inspection at the inspection site.

  (2) The portable terminal includes an input unit that receives an input from the inspector, and an update unit that updates information stored in the device information storage unit based on the input received by the input unit. The maintenance management system according to (1).

  According to the maintenance management system of (2), the inspector can update information on the device from the portable terminal. Thereby, the inspector can input the inspection result directly from the inspection site, and can prevent the inspection result for the wrong device from being managed.

  (3) The maintenance management system according to (2), further including a central control terminal that is communicably connected to the portable terminal and includes the device information storage unit and the update unit.

  According to the maintenance management system of (3), it is possible to appropriately manage information about equipment.

  (4) A maintenance management method for a power plant composed of a plurality of devices including devices having the same shape, the IC tag provided in association with each of the plurality of devices, and corresponding to the IC tag Device information storage means for storing information relating to the device to be performed, and a portable terminal carried by an inspector of the power plant and capable of reading the IC tag, the portable terminal corresponding to the read IC tag A maintenance management method comprising: a communication step of receiving information regarding the device information storage means from the device information; and a display step of displaying the received information.

  According to the maintenance management method of (4), the same effects as the maintenance management system of (1) can be obtained.

  According to the present invention, even if the devices have the same shape, the inspector can perform appropriate inspection at the inspection site.

It is a block diagram which shows the function structure of the maintenance management system of this invention. It is a figure which shows apparatus information DB which comprises the maintenance management system of this invention. It is a flowchart which shows the flow of a process of the maintenance management system of this invention. It is a figure which shows the example of a display of the portable terminal which an inspector carries.

  Embodiments of the present invention will be described below with reference to the drawings.

[Maintenance management system configuration]
FIG. 1 is a block diagram showing the configuration of the maintenance management system 1 of the present invention.
The maintenance management system 1 includes a portable terminal 10 carried by an inspector, and a plurality of devices 20A, 20B, 20C, 20D, and 20E (hereinafter referred to as “device 20” if not distinguished) that constitute a power plant, IC tags 25A, 25B, 25C, 25D, 25E (hereinafter referred to as “IC tag 25” if not distinguished) provided in association with each of the devices 20, and a central control room of the power plant A central control terminal 30.

  The portable terminal 10 includes an IC tag reading unit 11, a communication unit 12, a display unit 13, and an input unit 14.

The IC tag reading means 11 communicates with the IC tag 25 provided in association with the device 20 by non-contact communication, for example, and reads the individual identification information given to the IC tag.
The communication means 12 communicates with the central control terminal 30 via the in-house intranet line 100, for example. The communication means 12 receives information associated with the individual identification information from a device information DB (DB) provided in the central control terminal 30 using the read individual identification information as a key. The device information DB will be described later.

The display unit 13 displays information received by the communication unit 12.
The input means 14 receives an input from the inspector. The input received by the input unit 14 is transmitted to the central control terminal 30 by the communication unit 12, and the device information DB is updated based on the input.

Subsequently, the device 20 includes devices having the same shape. For example, the device 20A and the device 20E are electromagnetic valves having the same shape. The device shown in FIG. 1 is merely an example, and includes other devices such as an alarm indicator and a hard switch in a power plant.
The IC tag 25 is an IC chip that can be communicated by non-contact communication embedded in the device 20, and is provided with individual identification information for identifying the IC tag 25 (that is, for identifying the device 20). ing.

Next, the central control terminal 30 includes a device information DB that is provided in the central control room of the power plant and stores information associated with the individual identification information.
Here, the device information DB will be described with reference to FIG.
The device information DB stores various information including the device name, inspection history, remarks, operation status, and operation manual in association with the individual identification information given to the IC tag 25. Moreover, apparatus information DB memorize | stores an inspection result based on the input from an inspector. The device information DB is updated based on the input received by the input unit 14 of the mobile terminal 10.

  The device name in the device information DB indicates the name of the device 20 provided with the IC tag 25, and the inspection history indicates the inspection history of the device 20. For example, the individual identification information “A10001” is provided for the device name “XX valve (A)” and stores that the 15th inspection was performed on November 20, 2009. It should be noted that past inspection results may be stored as the inspection history. For example, the results of past inspections may be managed in a file format so that the inspector can view the files via the mobile terminal 10.

  Further, the remarks of the device information DB indicate information noticed by the inspector at the time of inspection, and the operation status indicates the current operation status of the device 20. For example, for the device name “XX valve (A)”, it is remembered that there was an abnormal noise in the surroundings during the past inspection as a remark, but that there was no particular problem, and the operating status is currently closed. It is remembered that there is. For the inspector, even if abnormal noise is generated at the inspection site, by checking the remarks, it is possible to grasp that there is no problem while in the inspection site without sequentially checking the central control room. In addition, by updating the operation status of the device information DB from the portable terminal 10 carried by the inspector every time the valve is opened at the site, the device 20 operates when the plant is started in the operation of the power plant, for example. Can be managed appropriately, and safe operation of the power plant can be realized.

  The operation manual of the device information DB indicates an operation manual file of the device 20. When an inspector does not know the operation method of the device 20 at the inspection site, the operation method can be grasped by browsing the operation manual file. For example, it is suitable when grasping | ascertaining the response | compatibility with respect to the said alarm display when an alarm display is performed on the alarm indicator.

[Hardware configuration of mobile terminal and central control terminal]
The hardware configuration of the mobile terminal 10 and the central control terminal 30 constituting the maintenance management system 1 can be configured by a general computer. For example, a general computer includes a central processing unit (CPU) as a control unit, and a memory (RAM or ROM), a hard disk (HDD), and an optical disk (such as a CD or DVD) as a storage unit, and a network communication device. As such, various wired and wireless LAN devices are appropriately provided and connected by a bus line. In such a general computer, the CPU implements various functions according to the present invention in cooperation with the hardware described above by appropriately reading and executing various programs.

[Maintenance management system processing]
Next, a processing flow of the maintenance management system 1 will be described with reference to FIG.

S1: The IC tag reading means 11 of the portable terminal 10 reads the IC tag 25 embedded in the device 20 at the inspection site, and acquires individual identification information.
S2: The communication means 12 of the mobile terminal 10 transmits the acquired individual identification information to the central control terminal 30. That is, the device information DB of the central control terminal 30 is accessed using the acquired individual identification information as a key.

S3: The central control terminal 30 refers to the device information DB and acquires information related to the corresponding device, that is, information stored in the device information DB in association with the individual identification information.
S4: The central control terminal 30 transmits the acquired information to the mobile terminal 10.

S5: When the communication means 12 of the mobile terminal 10 receives the information transmitted from the central control terminal 30, the display means 13 of the mobile terminal 10 displays the information. At this time, the display unit 13 can display arbitrary information among the information stored in the device information DB. For example, as will be described later in FIG. 4, the device name, installation location, remarks, and operation status can be displayed. Other information may be displayed by operating the mobile terminal 10 by the inspector.
S6: When the input means 14 of the mobile terminal 10 receives an input from the inspector, the communication means 12 of the mobile terminal 10 transmits the input information to the central control terminal 30. For example, the communication unit 12 of the mobile terminal 10 transmits the inspection result input at the inspection site to the central control terminal 30.

  The central control terminal 30 updates the device information DB based on the input information received from the mobile terminal 10. That is, the input information is stored in the device information DB.

[Display example of mobile terminal]
Next, with reference to FIG. 4, the information regarding the apparatus 20 displayed on the display means 13 of the portable terminal 10 is demonstrated. 4A shows a display example displayed during the process of S4, and FIG. 4B shows a table displayed when “input” is operated in the display example of FIG. 4A. An example is shown.

  Referring to FIG. 4A, the display means 13 displays the device name, the installation location of the device, the remarks, and the operation status associated with the solid identification information assigned to the read IC tag 25. Is done. The inspector can take appropriate measures at the inspection site because the information on the device 20 in which the IC tag 25 read at the inspection site is embedded is displayed on the display means 13.

  The display means 13 displays an “input” button, an “apparatus operation” button, and an “other information” button for receiving an operation from the inspector. When the “input” button is operated, the display example shown in FIG. 4B is displayed, and the inspection result from the inspector is input. When the “device operation” button is operated, a signal for updating the operation status of the device information DB is transmitted from the mobile terminal 10 to the central control terminal 30. For example, when the inspector operates the device 20 (opens a valve or the like) at the inspection site, the operation status of the device 20 can be appropriately managed by operating the “device operation” button. When the “other information” button is operated, other information is received from the device information DB and displayed. For example, past inspection results of the device 20 and an operation manual of the device 20 are displayed. Thereby, the inspector can confirm the past inspection result, and can grasp the operation method by browsing the operation manual file without knowing the operation method of the device 20 at the inspection site.

  Referring to FIG. 4 (2), the display means 13 displays an input field for inputting the inspection result, a “Send” button, and a “Return” button. When the inspection result or other information obtained by the inspector is input in the input field and the “Send” button is operated, the information input in the input field is transmitted to the central control terminal 30 and the device information DB is updated. In order to appropriately update the device information DB, it is preferable to provide individual input fields such as an inspection result input field and a remarks input field in the input field. When the “return” button is operated, the display example shown in FIG.

  The embodiment of the present invention has been described above. According to the above-described embodiment, information (information related to the device 20) stored in association with the individual identification information of the IC tag 25 read from the device 20 at the inspection site is displayed on the mobile terminal 10 carried by the inspector. The

  At this time, since the past inspection result for the device 20 and the remarks noticed by the inspector during the past inspection are displayed on the mobile terminal 10, an appropriate inspection based on the past inspection can be performed. Usually, in order to grasp the individual information of the equipment 20 having the same shape, experience is required. According to the above embodiment, even the inexperienced inspector can access the equipment information DB. Thus, it is possible to appropriately grasp the individual information in the device 20.

  In addition, since the operation manual of the device 20 is displayed on the mobile terminal 10, when the operation method of the device 20 is not known at the inspection site, the operation method can be grasped by browsing the operation manual file. it can.

  The inspector can update the device information DB by inputting the inspection result to the mobile terminal 10. At this time, since the inspection result or the like is input after reading the IC tag 25, even if a large number of devices 20 having the same shape are provided, the input target device is not mistaken. Therefore, accurate inspection can be realized, and as a result, safe power plant operation can be realized.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. The effects described in the embodiments of the present invention are only the most preferable effects resulting from the present invention, and the effects of the present invention are limited to those described in the embodiments of the present invention. is not.

  For example, in the above embodiment, information corresponding to the individual identification information of the IC tag 25 is stored in the device information DB of the central control terminal 30 provided in the central control room, but the capacity of the IC tag 25 is sufficient. If there is, the information may be directly stored in the IC tag 25.

DESCRIPTION OF SYMBOLS 1 Maintenance management system 10 Portable terminal 11 IC tag reading means 12 Communication means 13 Display means 14 Input means 20 Equipment 25 IC tag 30 Central control terminal

Claims (4)

A power plant maintenance management system composed of a plurality of devices including devices of the same shape,
An IC tag provided in association with each of the plurality of devices;
Device information storage means for storing information related to the device corresponding to the IC tag;
A portable terminal carried by a power plant inspector and capable of reading the IC tag;
With
The portable terminal is
Communication means for receiving information about the device corresponding to the read IC tag from the device information storage means;
Display means for displaying the received information;
A maintenance management system. The portable terminal includes input means for receiving an input from the inspector,
The maintenance management system according to claim 1, further comprising an updating unit that updates information stored in the device information storage unit based on the input received by the input unit.   The maintenance management system according to claim 2, further comprising a central control terminal that is communicably connected to the portable terminal and includes the device information storage unit and the update unit. A power plant maintenance management method comprising a plurality of devices including devices of the same shape,
An IC tag provided in association with each of the plurality of devices;
Device information storage means for storing information related to the device corresponding to the IC tag;
A portable terminal carried by a power plant inspector and capable of reading the IC tag;
With
The portable terminal is
A communication step of receiving information about the device corresponding to the read IC tag from the device information storage means;
A display step for displaying the received information;
Maintenance management method including.

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