JP2008191769A - Screen display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a screen display system capable of easily displaying a monitor screen for remote monitoring of an object device for maintenance and inspection on a mobile terminal. <P>SOLUTION: The object device for maintenance and inspection 130 is affixed with a non-contact IC tag 120 where at least an IC tag unique identification number is stored. A mobile terminal 10 capable of displaying a remote monitoring screen of the object device for maintenance and inspection 130 reads the IC tag identification number from the non-contact IC tag 120 affixed to the object device for maintenance and inspection 130 of a work object. A display control part 100 of the mobile terminal 10 retrieves the remote monitoring screen of the object device for maintenance and inspection 130 using a chart of monitoring screen attributes 103 built in the mobile terminal 10 and a device number-unique IC correspondence table 105, and displays the screen on a display device 101 of the mobile terminal 10. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a screen display system for displaying a monitoring screen for remotely monitoring the state of plant equipment and equipment when performing maintenance and inspection of these equipment.

As a conventional maintenance / inspection system, for example, in Patent Document 1, a contactless IC tag (RFID: RADIO FREQUENCY IDENTIFICATION) is affixed to a device to be operated at a site, and a portable terminal brought into the site and an RFID read / write device are used. The device number that uniquely identifies the field device is read, and the operation information of the field device stored in the operation support DB (database) connected by communication from the portable terminal is acquired and displayed on the portable terminal. Is described.
In addition, the same operation contents are described so as not to cause a communication error between the operation of the on-site equipment and the remote operation of the monitoring control panel, and two work tags (parent and child tags) with built-in non-contact type IC tags are prepared. A mechanism is described in which a parent tag is affixed to a monitoring control panel and a child tag is affixed to a field device so that an operation error does not occur remotely and at the site.

Japanese Patent Laying-Open No. 2006-146749 (pages 6-7, FIG. 1)

In the conventional maintenance / inspection system, as in Patent Document 1, it is necessary to construct a new system in which a portable terminal for maintenance / inspection and an operation support DB for remote monitoring are connected by a communication facility. In addition to the familiar remote monitoring screen, there were problems such as having to acquire a new operation of the mobile terminal for maintenance and inspection.
In particular, information such as failure histories has been accumulated, and there is a problem that it is inefficient to confirm all the information on site.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a screen display system that can easily display a monitoring screen used for remote monitoring of a maintenance inspection target on a portable terminal. It is said.

In the screen display system according to the present invention, the non-contact type IC tag affixed in the vicinity of the target device for maintenance inspection and recorded with the unique identification information and the maintenance inspection information, and the unique identification information is read from the non-contact type IC tag, A portable terminal that displays a monitoring screen for monitoring the status of the maintenance target device corresponding to the read unique identification information,
The portable terminal includes a tag reader that reads the unique identification information from the non-contact type IC tag, a correspondence table that associates the unique identification information of the non-contact type IC tag and the maintenance inspection target device with the non-contact type IC tag attached thereto, It has a display control unit that searches for a maintenance / inspection target device corresponding to the unique identification information read by the tag reader using the correspondence table and displays a monitoring screen of the searched maintenance / inspection target device.

As described above, the present invention is a non-contact type IC tag that is affixed in the vicinity of a maintenance / inspection target device and recorded with unique identification information and maintenance / inspection information, and the unique identification information is read from the non-contact type IC tag, A portable terminal that displays a monitoring screen for monitoring the status of the maintenance target device corresponding to the read unique identification information,
The portable terminal includes a tag reader that reads the unique identification information from the non-contact type IC tag, a correspondence table that associates the unique identification information of the non-contact type IC tag and the maintenance inspection target device with the non-contact type IC tag attached thereto, It has a display control unit that searches for a maintenance inspection target device corresponding to the unique identification information read by the tag reader using the correspondence table and displays a monitoring screen of the searched maintenance inspection target device. Using the monitoring screens that you are familiar with, you can display the screens related to the devices subject to maintenance and inspection, so you can easily perform on-site work.

Embodiment 1 FIG.
A first embodiment of the present invention will be described below with reference to FIG.
The screen display system according to the first embodiment is configured so that when an operator usually uses a remote monitoring system to monitor the operation status of a plant and the health of components, and detects any abnormality in the plant, When checking for abnormalities and performing maintenance inspections, the screen of the remote monitoring system that is normally used can be displayed on a portable terminal such as a laptop computer.

1 is a schematic configuration diagram showing a screen display system according to Embodiment 1 of the present invention.
In FIG. 1, a screen display system is a non-contact IC that is affixed in the vicinity of a portable terminal 10 and a maintenance / inspection target 130 (maintenance / inspection target device) and can read and write data in a non-contact manner using a radio signal by the portable terminal 10. It consists of a tag 120.
The mobile terminal 10 includes a display control unit 100, a display device 101, an input device 102, a monitoring screen attribute table 103, a tag reader / writer 104, and a device number / unique ID correspondence table 105.
The display control unit 100 is a control unit that controls each unit of the mobile terminal 10 and includes a CPU or the like. The display device 101 is display means for displaying various information such as a liquid crystal display. The input device 102 is input means for inputting various information by an operator such as a touch panel and a keyboard. The monitoring screen attribute table 103 is a table that stores devices to be displayed in the monitoring screen and their display attributes, and is stored in information storage means such as a hard disk. The monitoring screen attribute table 103 is stored in association with a unique ID (IC tag unique identification number) electronically recorded in the non-contact IC tag 120 affixed to the maintenance inspection target 130. The tag reader / writer 104 is a device that reads and writes data to and from the non-contact IC tag 120 using a radio wave signal in a non-contact manner. In the device number / unique ID correspondence table 105, the device number 121 and an IC tag unique identification number 122 (unique identification information) electronically recorded in the non-contact IC tag 120 are associated with each other.
With this configuration, the mobile terminal 10 has a function capable of executing a program for displaying a remote monitoring screen.

FIG. 2 is a diagram showing an internal configuration of the device number / unique ID correspondence table of the screen display system according to Embodiment 1 of the present invention.
In FIG. 2, the device number / unique ID correspondence table 105 associates the device number 121 of the maintenance inspection target 130 with the IC tag unique identification number 122.

FIG. 3 is a diagram showing the internal structure of the monitoring screen attribute table of the screen display system according to Embodiment 1 of the present invention, and there are as many monitoring screens as there are monitoring screens.
In FIG. 3, one record in the monitoring screen attribute table corresponds to one equipment of the maintenance inspection target 130 and is configured as follows. That is, it is composed of a device number 131, a display position 132 indicating a display position in the screen, a highlight flag 133, and an IC tag unique identification number 134.
FIG. 4 is a flowchart showing processing of the display control unit of the screen display system according to Embodiment 1 of the present invention.

Next, the operation will be described.
What is electronically stored in the non-contact IC tag 120 is an IC tag unique identification number recorded at the time of manufacturing the IC tag, but this may be recorded by determining a unique number. The number itself may be stored. This time, an example using an IC tag unique identification number will be described in view of preventing data falsification in the non-contact IC tag 120 and using an inexpensive read-only IC tag.
Hereinafter, the operation of the display control unit 100 will be described with reference to the flowchart of FIG.
In S101, the IC tag unique identification number is read from the non-contact IC tag 120 via the tag reader / writer 104.
In S102, an IC tag unique identification number in the monitoring screen attribute table 103 is searched, and a screen including this IC tag unique identification number is searched. (However, it is not registered for the first time.)
In S103, it is determined whether or not there is a corresponding screen. If the IC tag unique identification number has already been registered, the process proceeds to S108 to display a registration screen. If it has not been registered, the screen is an unregistered screen, and the process proceeds to S104.
In S104, a device number corresponding to the IC tag unique identification number read from the device number / unique ID correspondence table 105 is searched.
In S105, the screen displaying the device is searched using the device number searched in S104 in the monitoring screen attribute table 103.
In S106, it is determined whether the search result is one screen or a plurality of screens. If there are a plurality of screens, the process proceeds to S107, and if not, the process proceeds to S108.
If the search result is a plurality of screens in S107, the candidate screen number is displayed and the user is asked to select.
In S108, the corresponding screen is displayed on the display device 101.
In S109, when a plurality of screens are searched in S106, the monitoring screen attribute table 103 of the screen selected in S107 or in the monitoring screen attribute table 103 of the screen if there is one screen searched in S106. The IC tag unique identification number read in S101 is input to the IC tag unique identification number 134 of the device number line.

As described above, the field worker can immediately display the monitoring screen that he / she is familiar with by simply reading the non-contact IC tag 120, and can select a corresponding screen when there are a plurality of monitoring screens. Further, in order to associate the selected screen with the device, the unique ID is recorded in the monitoring screen attribute table 103, and the screen registered once is the target screen registered only by searching the monitoring screen attribute table at the next work (S102). Can be displayed immediately.
In addition, although the example using a non-contact IC tag was shown above, the same effect can be expected even if a barcode is used.

  According to the first embodiment, as described above, since the screen related to the target inspection device can be displayed immediately using the monitoring screen that is usually used in the field work, effects such as easy execution of the field work are possible. Can be expected.

Embodiment 2. FIG.
FIG. 5 is a flowchart showing processing of the display control unit of the screen display system according to Embodiment 2 of the present invention.
The second embodiment of the present invention will be described below with reference to the flowchart shown in the drawing. Note that the description of the same components as those in Embodiment 1 is omitted.
The screen display system according to the second embodiment is affixed near the maintenance inspection target 130 when an operator who has detected any abnormality in the maintenance inspection target 130 carries it to the site to check the abnormality or performs maintenance inspection work. The process until the portable terminal 10 is held over the non-contact type IC tag 130 and a desired screen is searched is the same as that up to the flowchart S106 (and S107) of FIG. 4 shown in the first embodiment.

Hereinafter, the processes after S106 and S107 in FIG. 4 will be described with reference to FIG.
In step S <b> 201, the display position of the maintenance / inspection object 130 in the monitoring screen attribute table 103 is displayed on the display device 101 with the center of the screen. Thereby, the maintenance inspection object 130 can be easily identified.
In step S <b> 202, the highlight flag in the monitoring screen attribute table 103 is turned on and displayed on the display device 101. Thereby, even in a situation where the screen is difficult to see at the site, the monitoring screen related to the maintenance inspection object 130 is centered on the screen and can be viewed after being highlighted (blink display or the like).

According to the second embodiment, as described above, the on-site worker can immediately display the monitoring screen that he / she is used to by simply reading the non-contact IC tag 120, and the maintenance can be performed even when the screen is difficult to see at the site. Since the monitoring screen related to the inspection object 130 can be viewed after being highlighted (blink display, etc.) at the center of the screen, the maintenance inspection object 130 can be easily identified, and on-site work can be easily performed. The effect can be expected.

Embodiment 3 FIG.
The third embodiment of the present invention will be described below with reference to the flowcharts of FIGS. 6, 7, 8 and 9. FIG. Note that the description of the same components as those in Embodiment 1 is omitted.
FIG. 6 is a schematic configuration diagram showing a screen display system according to Embodiment 3 of the present invention.
6, reference numerals 10, 100 to 102, 104, 105, 120, and 130 are the same as those in FIG. In FIG. 6, instead of the monitoring screen attribute table 103 of FIG. 1, for example, event data (alarm, operation history) 106 (a table for storing state changes such as failure of the device and operation history is stored in the mobile terminal 10. Event information).

FIG. 7 is a diagram showing an internal structure of event data in the screen display system according to Embodiment 3 of the present invention.
In FIG. 7, the event data 106 has a time 141, a device number 142, and a status 143. The time 141 is an event occurrence time, and the device number 142 is a number indicating the device in which the event has occurred. In the state 143, in the case of a failure state of the device or an operation history, the operated content is stored as a character string or a code.

FIG. 8 is a diagram showing the internal configuration of the non-contact IC tag of the screen display system according to Embodiment 3 of the present invention.
In FIG. 8, the non-contact IC tag 120 has an inspection date 123 written for each IC tag unique identification number 122.
FIG. 9 is a flowchart showing processing of the display control unit of the screen display system according to Embodiment 3 of the present invention.

Hereinafter, processing of the display control unit 100 according to Embodiment 3 will be described with reference to FIG.
In S301, the tag reader / writer 104 reads the IC tag unique identification number in the non-contact IC tag 120.
In S302, the device number corresponding to the IC tag unique identification number is searched from the device number / unique ID correspondence table 105.
In step S303, the event data 106 is searched for data relating to the device number.
In S304, the retrieved event data is displayed on the screen.
In S <b> 305, the date (maintenance inspection date) confirmed on-site is written in the non-contact IC tag 120.
As a result, the field worker can obtain event data such as past failure history and operation history related to the maintenance inspection object 130 in which the event has occurred from the front screen only by reading the non-contact IC tag 120.

According to the third embodiment, as described above, the site worker simply reads the non-contact IC tag 120 and displays event data such as past failure history and operation history related to the maintenance target apparatus in which the event has occurred. It can be obtained from the screen, and it can be expected that the field work can be easily performed.
In addition, the date on which the event was confirmed remains in the non-contact IC tag attached to the site, which proves that the maintenance work has been performed reliably, leading to an improvement in maintenance work morals.

In the third embodiment, only the latest date confirmed at the site is recorded. However, if the electronic recording area of the non-contact IC tag permits, a plurality of data can be recorded. effective.

Embodiment 4 FIG.
The fourth embodiment of the present invention will be described below based on the flowcharts of FIGS. 10, 11, and 12. FIG. Note that the description of the same components as those in Embodiment 1 is omitted.
FIG. 10 is a schematic configuration diagram showing a screen display system according to Embodiment 4 of the present invention.
10, reference numerals 10, 100 to 102, 104, 105, 120, and 130 are the same as those in FIG. In FIG. 10, the mobile terminal 10 is provided with trend data 107 (trend information) instead of the monitoring screen attribute table 103 of FIG. This trend data 107 is a table for storing the measured values of the maintenance inspection object 130 at regular intervals, and this table is mainly used for remote monitoring as a graph screen. This data is intended to grasp the operational status of the inspection object 130).

FIG. 11 is a diagram showing an internal configuration of trend data of the screen display system according to Embodiment 4 of the present invention.
In FIG. 11, the sample time 151 of the trend data 107 is the acquisition time of the trend data, and the subsequent record of the device number 152 is the measured value of the maintenance inspection target 130 corresponding to the device number.
FIG. 12 is a flowchart showing processing of the display control unit of the screen display system according to Embodiment 4 of the present invention.

Hereinafter, the process of the display control unit 100 according to the fourth embodiment will be described with reference to FIG.
In step S401, the tag reader / writer 104 reads the IC tag unique identification number in the non-contact IC tag 120.
In S402, the device number corresponding to the read IC tag unique identification number is searched from the device number / unique ID correspondence table 105.
In S403, the trend data 107 is searched for data relating to the device number.
Thereby, it is possible to display the trend information of past measurement values relating to the maintenance / inspection target device on the graph screen only by reading the non-contact IC tag 120.

  According to the fourth embodiment, as described above, the field worker can obtain the trend information of the past measurement values related to the maintenance / inspection target device by displaying the graph screen or the like only by reading the non-contact IC tag 120. Therefore, it is possible to expect effects such as easy execution of field work.

Embodiment 5. FIG.
The fifth embodiment of the present invention will be described below with reference to the flowchart of FIG.
The configuration of the screen display system and the internal configuration of the event data are the same as those in FIGS. 6 and 7 of the third embodiment.
FIG. 13 is a flowchart showing processing of the display control unit of the screen display system according to Embodiment 5 of the present invention.
The fifth embodiment is based on the premise that the maintenance inspection date is stored in the non-contact IC tag 120 described in the third embodiment. In the fifth embodiment, event information such as past failure history and operation history is searched based on this date.

The fifth embodiment will be described below with reference to the flowchart of FIG.
Steps S301, S302, S304, and S305 in FIG. 13 are the same as the steps in FIG. 9 of the third embodiment.
In S301, the tag reader / writer 104 reads the IC tag unique identification number in the non-contact IC tag 120 and the date (last maintenance inspection date) recorded last time.
In S302, a device number corresponding to the read IC tag unique identification number is searched from the device number / unique ID correspondence table 105.
In step S <b> 501, event data related to the device number generated after the previous time is searched from the event data 106.
In S304, the retrieved event data is displayed on the screen.
In S <b> 305, the date (maintenance inspection date) confirmed on-site is written in the non-contact IC tag 120.
Thereby, event information such as past failure history and operation history related to the maintenance / inspection target device can be displayed on the screen only by reading the non-contact IC tag 120.

According to the fifth embodiment, as described above, the field worker simply reads the non-contact IC tag 120 and obtains event data such as past failure history and operation history related to the maintenance / inspection target device from the display screen. This is possible, and since only event data after the previous inspection check can be selected and obtained, there is no need to see extra data, and an effect such as easy execution of field work can be expected.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic block diagram which shows the screen display system by Embodiment 1 of this invention. It is a figure which shows the internal structure of the apparatus number / unique ID correspondence table | surface of the screen display system by Embodiment 1 of this invention. It is a figure which shows the internal structure of the monitoring screen attribute table | surface of the screen display system by Embodiment 1 of this invention. It is a flowchart which shows the process of the display control part of the screen display system by Embodiment 1 of this invention. It is a flowchart which shows the process of the display control part of the screen display system by Embodiment 2 of this invention. It is a schematic block diagram which shows the screen display system by Embodiment 3 of this invention. It is a figure which shows the internal structure of the event data of the screen display system by Embodiment 3 of this invention. It is a figure which shows the internal structure of the non-contact IC tag of the screen display system by Embodiment 3 of this invention. It is a flowchart which shows the process of the display control part of the screen display system by Embodiment 3 of this invention. It is a schematic block diagram which shows the screen display system by Embodiment 4 of this invention. It is a figure which shows the internal structure of the trend data of the screen display system by Embodiment 4 of this invention. It is a flowchart which shows the process of the display control part of the screen display system by Embodiment 4 of this invention. It is a flowchart which shows the process of the display control part of the screen display system by Embodiment 5 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Mobile terminal 100 Display control part 101 Display device 102 Input device 103 Monitoring screen attribute table 104 Tag reader / writer 105 Device number / unique ID correspondence table 106 Event data 107 Trend data 120 Non-contact IC tag 130 Maintenance inspection target

Claims (5)

A non-contact type IC tag affixed in the vicinity of the target device for maintenance inspection and recorded with unique identification information and maintenance inspection information, and the unique identification information is read from the non-contact type IC tag and corresponds to the read unique identification information. A portable terminal that displays a monitoring screen for monitoring the status of the maintenance target device is provided.
The portable terminal associates the tag reader that reads the unique identification information from the non-contact type IC tag with the unique identification information of the non-contact type IC tag and the maintenance inspection target device to which the non-contact type IC tag is attached. A correspondence table, and a display control unit that searches for a maintenance inspection target device corresponding to the unique identification information read by the tag reader and displays a monitoring screen of the searched maintenance inspection target device using the correspondence table. A screen display system comprising:   The screen display system according to claim 1, wherein the display control unit displays the maintenance inspection target device on the monitoring screen of the maintenance inspection target device so as to be easily identified.   The portable terminal has event information including a failure history and an operation history of the maintenance target device, and the display control unit uses the correspondence table to perform maintenance corresponding to the unique identification information read by the tag reader. The screen display system according to claim 1 or 2, wherein an inspection target device is searched and the event information of the searched maintenance inspection target device is displayed.   The portable terminal has trend information including time series data of measured values of the maintenance / inspection target device, and the display control unit corresponds to the unique identification information read by the tag reader using the correspondence table. The screen display system according to any one of claims 1 to 3, wherein a maintenance target device is searched and the trend information of the searched maintenance target device is displayed.   4. The maintenance / inspection information recorded on the non-contact type IC tag includes a maintenance / inspection date, and the display control unit displays the event information after the latest maintenance / inspection date. Screen display system.

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