JP3377566B2 - Measuring equipment maintenance management system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to inspection and calibration of various measuring instruments in a process in various power generation, chemical, nuclear and other plants and general industries. The present invention relates to a maintenance management system for measuring instruments used in a computer. 2. Description of the Related Art Inspection and calibration of measuring instruments currently used in various plants and general industrial fields are carried out by bringing a file or the like containing the previous inspection data to the site and referring to the file. Calibration of measurement equipment was performed, and the calibration data was recorded in a memo or the like, and then officially copied by a predetermined department or processed by a word processor to form an inspection record. Also,
Data management was performed using data sheets (paper). [0003] However, in the processing of such calibration data, data sheets processed by handwriting or word processing have been collectively managed in a file. As a result, work efficiency has been reduced, and effective utilization of data has become difficult. An object of the present invention is to enable a large amount of calibration data of an instrument to be processed in a short time without handwriting or word processing, and to manage the data so that the data can be easily confirmed, thereby effectively utilizing the data. It is an object of the present invention to provide a maintenance management system for measuring equipment capable of performing the above. [0005] In order to achieve the above object, the present invention provides a method for creating and modifying instrument specifications (IDS) for various measuring instruments used for monitoring and controlling a plant. Function to perform registration in the IDS data memory and the ID
A data management computer that has a function of determining the quality of the instrument device registered in S, correcting calibration data, and registering it in a calibration data memory, and constructing these management data in a database; The IDS data and the menu data are fetched from the data management computer via the information transmission medium, and the IDS data registered by specifying the instrument number is called , and the quality of the measuring equipment is determined.
A computer for data collection having a function of making a judgment and registering data at the time of inspection and calibration , and receiving the IDS data and menu data from the computer for data collection, and calibrating the measuring device in charge in each system in the last time. Display data and judge the quality of the measuring equipment
And a portable terminal having a function of storing the current calibration data in a storage medium.The portable terminal manages each measuring device alone in the plant, and the data collection computer is collected by the portable terminal. Based on the inspection data, the measurement equipment for each system is managed, and the management computer is a hierarchical management system that manages the measurement equipment for the entire plant based on the data transferred from the data collection computer. It is designed to maintain and manage the measuring equipment of the whole plant by the management data constructed in the database. In the maintenance management system for measuring equipment having such a configuration, the measuring equipment for the entire plant is managed by a hierarchical management system using a management computer, a data collection computer and a portable terminal. It is designed to manage and build the instrument specifications, calibration data and inspection items of the measuring equipment in the database, so that data input screens suitable for each measuring equipment can be created, and data between each computer and portable data Since all inspection data of each measuring device between the terminal and the computer is transferred via the information transmission medium and the storage medium, the calibration data previously processed by handwriting or word processing can be centrally managed, and the measuring device The pass / fail judgment and data creation time can be greatly reduced. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of a block configuration of a maintenance management system for measuring equipment according to the present invention. The measurement device maintenance management system according to the present embodiment includes a general management section A,
The system includes a middle department B and a data collection department C. The general management department A includes a host computer 1, a CRT 2, a printer 3 and a console 4 for managing the entire plant. , A local terminal 9, a laser printer 10, and a liquid crystal display 11 for managing instruments in each system at the site. And a console 12. A tester manages a single meter in charge of each system in each system at the site using an electronic organizer 13 and records the data on an IC card 13a. Here, the host computer 1 creates and corrects an instrument specification (IDS) of the entire plant and registers the same in the IDS data memory 1a. The host computer 1 also stores the calibration data of the instrument in each system of the entire plant registered in the IDS. It has a function of correcting or registering the data in the calibration data memory 1b, and these integrated management data are constructed in a database, for example, the magneto-optical disk 14. The workstation 5 exchanges data between the host computer 1 and the local terminal 9 using the floppy disk 15 as an information transmission medium, and the IDS data memory 1a of the host computer 1
A function of taking in IDS data and calibration data of each system of the plant in charge of sharing from the calibration data memory 1b and registering them in the IDS data memory 5a and the calibration data memory 5b, respectively;
Corrects the calibration data received from the calibration data memory 5b
And a function for registering the information. Further, the local terminal 9 fetches IDS data and menu data from the workstation 5 using the floppy disk 16 as an information transmission medium,
It has the function of calling up the IDS data registered by specifying the instrument number and registering the data at the time of inspection and calibration. On the other hand, the electronic organizer 13 receives IDS data and menu data from the local terminal 9 through the IC card 13a, performs calibration while comparing with the previous data of the meter in charge in each system, and compiles the calibration data. It has a function of registering in the IC card 13a. Next, the operation of the maintenance management system for measuring equipment configured as described above will be described. In order for a tester to perform a calibration test on a single instrument in charge in each system at a plant site, first, a local terminal 9 needs
The IDS data and the menu data registered in the C card 13a are called and displayed on the display unit of the electronic organizer 13, and the calibration is performed by referring to the previous calibration data of the corresponding measuring device from the data. In this case, the electronic organizer 1
Reference numeral 3 writes the inspection data carried out this time to the IC card 13a, judges the quality of the instrument, and writes the result. Here, an example of the determination will be described.
It is as follows. Numerical examples of analog instrument data include: Input span = large input range-small input range 10 = 10 kg / cm-0 kg / cm Output span = large output range-small output range 16 = 20 mA-4 mA Output reference value = (output Span / 100) × Calibration point + Output range 12 mA = (16/100) × 50% + 4 mA Now, if the calibration value is 12.05 mA, the error calculation is: Error = (Calibration output−Output reference value) / Output span × 100 (12.55-12.00) /16×100=0.31
% At this time, if the allowable range of the error is 0.2% to 0.5%, since the error is within the allowable range, the analog meter after calibration is determined to be good. As described above, at the plant site, the IC card 13
The inspection data written in “a” is read to the local terminal 9 of the data collection section C through the data ring adapter, and the data processing necessary for managing the instruments in the system in charge here is executed. In this case, a necessary menu is selected and displayed on the liquid crystal display 11 of the local terminal 9 to execute data processing, and the management data is stored in the memory unit. The management data is recorded on the floppy disk 16, and the management data can be printed out by the laser beam printer 10 as needed. In the local terminal 9, management data on the meter in charge in each system recorded on the floppy disk 16 is read by the workstation 5 in the intermediate department B, where each system (equipment in charge) is read.
The data processing required for the management is performed, and the calibration data is centrally managed, and the quality of the meter is determined by the same determination formula as described above. In this case, the workstation 5 has a main menu as shown in FIG. 2, and selects necessary items from the menu displayed on the liquid crystal display 7 to execute data processing. It is stored in the calibration data memory 5b. The management data is recorded on the floppy disk 15, and the management data can be printed out by the laser beam printer 6 as needed. In the workstation 5, the management data of each system recorded on the floppy disk 15 is as follows:
The data is read by the host computer 1 of the general management section A, where the data processing necessary for the general management of the entire plant is executed, the calibration data is centrally managed, and the quality of the instrument is determined by the same determination formula as described above. These calibration data and pass / fail judgment results are stored in the calibration data memory 1b. In this case, the program of the host computer 9 also has a main menu similar to that shown in FIG. 2, selects necessary items from the menu displayed on the CRT 2 and executes data processing. Magnetic desk 1
4 is stored. The management data can be printed out by the laser beam printer 3 as needed. As described above, in the present embodiment, the electronic notebook 13 is used to manage a single instrument in charge in each system of the plant, and the inspection data of the IC card 13a recorded in the electronic notebook 13 is stored in the local terminal. 9 to manage the instruments in charge in each system, and the management data of the devices in each system of the floppy disk 16 recorded in the local terminal 9 to the workstation 5 for measurement in each system unit. The system employs a hierarchical management system in which the management system controls the entire system by taking management data of each system of the floppy disk 15 recorded in the workstation 5 into the host computer 1 and managing the entire system. To maintain and manage measurement equipment in each plant system. It is obtained by way. Therefore, a data input screen suitable for each measuring instrument can be created, and many management processing functions such as plant soundness evaluation can be improved, and management for plant safety can be greatly improved. At the time of inspection and calibration of the measuring equipment at the plant site, the inspection data of the instrument is written on the IC card 13a using the electronic notebook 13 which has received the IDS data and the menu data from the local terminal 9. As described above, the handwriting of data and the use of a word processor are eliminated, so that the data can be made paperless and the data processing time can be greatly reduced. In addition, erroneous entries and erroneous calculations are eliminated and a database can be created, so that the status and information of each instrument can be easily confirmed. In the above embodiment, the general management department A,
The case where the data is managed as the three layers of the intermediate management section B and the data collection section C and the maintenance and management of the measuring device is described, but the data may be managed as the two layers of the data collection section and the management section. . Further, the previous data is referenced and the current data is recorded at the site using the electronic notebook and the IC card. However, if the electronic notebook and the IC card have the same functions as the above-mentioned electronic notebook and the IC card, other data may be used. May be used. As described above, according to the present invention, a large amount of calibration data of instrument devices can be processed in a short time without handwriting or word processing, and the data can be easily confirmed. The present invention can provide a maintenance management system for measuring instruments that can manage data efficiently and use data effectively.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram for explaining an embodiment of a maintenance management system for measuring equipment according to the present invention. FIG. 2 is a view showing an example of a menu displayed on a display in the embodiment. [Description of Signs] 1 ... Host computer, 1a ... IDS data memory, 1b ... Calibration data memory, 2 ... CRT, 3 ...
Laser printer, 4 ... operation console, 5 ... workstation, 5a ... IDS data memory, 5b ... calibration data memory, 6 ... laser printer, 7 ... liquid crystal display, 8 ... operation console, 9 ... Local terminal, 10
…… Laser printer, 11 …… Liquid crystal display, 12
...... Operation console, 13 ... Electronic organizer, 13a ... IC card.

Continuation of the front page (56) References JP-A-4-90099 (JP, A) JP-A-3-22853 (JP, U) Eiichi Okuma Two other people, advanced power generation equipment inspection work, power, Japan, ( Japan Society of Power Science, July 31, 1990, Vol. 40, No. 199, p1-8 (58) Fields studied (Int. Cl. ⁷ , DB name) G01D 18/00 G06F 17/40 G08C 15 / 00

Claims (1)

(57) [Claims] [Claim 1] A function of creating and correcting an instrument specification (IDS) of various measuring instruments used for monitoring and controlling a plant and registering the same in an IDS data memory. And said I
A data management computer that has a function of determining the quality of the instrument device registered in the DS, correcting the calibration data, and registering it in the calibration data memory, and constructing these management data in a database; The IDS data and the menu data are taken in from the data management computer via the information transmission medium, and the IDS data registered by designating the instrument number is called.
Performs quality determination of the measuring device, the data acquisition computer having a function of registering the data at the time of inspection calibration, receiving the IDS data and menu data from the data acquisition computer in charge in each system the
And displays the previous calibration data measuring device, wherein
A portable terminal having a function of determining the quality of the measuring device and storing the current calibration data in a storage medium; the portable terminal manages each measuring device alone in the plant; and the data collecting computer is a portable computer. Manages the measurement equipment for each system based on the inspection data collected by the data terminal, and the management computer manages the measurement equipment for the entire plant based on the data transferred from the data collection computer. A maintenance management system for measurement equipment, wherein the measurement equipment for the entire plant is managed and managed by management data constructed in the database as a hierarchical management system.