JPH07113666A - Maintenance and control system for measuring equipment - Google Patents

Abstract

PURPOSE:To process and check up a large amount of calibration data in a short time and to make effective use of the data by controlling the whole of equipment for measurement hierarchically by using CPU for control, CPU for data collection and a portable terminal, and by delivering the calibration data through the intermediary of storage and transfer media. CONSTITUTION:Instrument units in each system are controlled by an electronic notebook 13, checking data stored in an IC card 13a of the electronic notebook 13 are taken in a local terminal 9 and an instrument in charge in each system is controlled. Control data on equipment for measurement in each system are taken in a work station 5 through the intermediary of a floppy disk 16 and the equipment for measurement is controlled for each system. Moreover, the control data for each system are taken in host CPU 1 through the intermediary of a floppy disk 15 and thereby the whole of a plant is controlled. Accordingly, a data input picture of each measuring equipment can be prepared and a processing capacity for control of the plant is improved. Besides, time for checking and calibration is shortened by dispensing with paper and quick checkup of each instrument is enabled by adopting a data base.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to maintenance and management of measuring instruments used when inspecting and calibrating various measuring instruments in processes in various plants such as power generation, chemicals, nuclear power and general industries. Regarding the system.

[0002]

2. Description of the Related Art For the inspection and calibration of measuring instruments currently used in plants and general industrial fields, bring a file or the like containing the previous inspection data to the site and refer to it for measuring instruments. After the calibration work was done and the calibration data was recorded in memos, it was officially written in a designated department or processed by a word processor to make an inspection record. Also,
Data management was done using data sheets (paper).

[0003]

However, in the processing of such calibration data, data sheets processed so far by handwriting or word processing are collectively managed in a file. Work efficiency is decreasing and it is becoming difficult to use data effectively.

It is an object of the present invention to process a large amount of calibration data of measuring instruments in a short time without handwriting or word processing, and manage the data so that it can be easily confirmed to effectively utilize the data. It is to provide a maintenance management system for measuring equipment that can perform the measurement.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention creates and modifies an instrument specification (IDS) of various measuring instruments used for plant monitoring and control to perform IDS. Function to register in data memory and the ID
A data management computer that has a function of correcting the calibration data of the measuring instrument of the plant registered in S and registering it in the calibration data memory and constructing these management data in a database, and a data management computer A data collection computer having a function of taking in IDS data and menu data from a computer through an information transmission medium, calling up the registered IDS data by designating an instrument number, and registering data at the time of inspection and calibration, and this data. A portable terminal having the function of receiving the IDS data and the menu data from the collecting computer, displaying the previous calibration data of the single instrument in charge in each system, and storing the calibration data of this time in a storage medium. ,
The portable terminal manages each measuring device in the plant, the data collection computer manages the measuring device for each system based on the inspection data collected by the portable terminal, and the management computer manages the data. As a hierarchical management method for managing measurement equipment for the entire plant based on the data transferred from the collection computer, the management data built in the database is used to maintain and manage the measurement equipment for the entire plant. is there.

[0006]

In the maintenance management system of the measuring instrument having such a configuration, the measuring instrument of the entire plant is managed by the hierarchical management method using the management computer, the data collecting computer and the portable terminal, Moreover, since the instrument specifications, calibration data, and inspection items of the measuring equipment are constructed in the database, it is possible to create a data input screen suitable for each measuring equipment, and data between each computer and portable terminals and computers. Since all inspection data of each measuring device between the two is passed through the information transmission medium and the storage medium, it is possible to centrally manage the calibration data that has been processed by handwriting or word processor, and judge the quality of the measuring device. It is possible to significantly reduce the data creation time.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 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 department A,
Comprised of an intermediate department B and a data collection department C, the general management department A is equipped with a host computer 1, a CRT 2, a printer 3 and a console 4 for managing the entire plant, and the intermediate department B is a system of a plant which is in charge of sharing. The data collection department C is equipped with a workstation 5, a printer 6, a color liquid crystal display 7 and an operation console 8 for managing the devices, and a local terminal 9, a laser printer 10 and a liquid crystal display 11 for managing the instruments in charge of each system in the field. And a console 12.

Further, the tester manages a single instrument in charge of each system in the field by the electronic notebook 13, and the data can be recorded in the IC card 13a. Here, the host computer 1 creates and modifies the instrument specifications (IDS) of the entire plant and registers it in the IDS data memory 1a, and the calibration data of the instruments in each system of the entire plant registered in the IDS. It has a function of making corrections and registering it in the calibration data memory 1b, and constructing these comprehensive management data 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 is exchanged.
Also, a function of fetching the IDS data and the calibration data of each system of the plant which is 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, and the local terminal 9.
Calibration data memory 5b by correcting the calibration data received from
It has the function of registering with.

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 a function of calling the registered IDS data by designating the instrument number and registering the data at the time of inspection and calibration.

On the other hand, the electronic notebook 13 receives IDS data and menu data from the local terminal 9 through the IC card 13a, performs calibration while comparing it with the data of the individual instrument in charge in each system last time, and also performs the calibration data. It has a function of registering in the IC card 13a.

Next, the operation of the maintenance management system of the measuring device configured as described above will be described. At the plant site, the tester first conducts the calibration test from the local terminal 9 in order to perform the calibration test on the individual instrument in each system.
The IDS data and the menu data registered in the C card 13a are called and displayed on the display unit of the electronic notebook 13, and the calibration is performed by referring to the previous calibration data of the corresponding measuring instrument from these data. In this case, electronic notebook 1
3 writes the inspection data carried out this time in 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. To give a numerical example of analog instrument data, input span = large input range-small input range 10 = 10kg / cm-0kg / cm output span = large output range-small output range 16 = 20mA-4mA Output reference value = (output Span / 100) × Calibration point + Output range 12mA = (16/100) × 50% + 4mA Now, assuming that the calibration value is 12.05mA, the error calculation is: Error = (Calibration output−Output reference value) / Output span × 100 (12.05-12.00) / 16 x 100 = 0.31
% At this time, if the permissible range of the error is 0.2% to 0.5%, the above-mentioned error is within the permissible range, and therefore the analog instrument after calibration is determined to be good.

In this way, at the plant site, the IC card 13
The inspection data written in a is read by the local terminal 9 of the data collection department 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, data processing is executed, and the management data is stored in the memory unit. Further, 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 required.

At the local terminal 9, the management data recorded on the floppy disk 16 for the instruments in charge of each system are read by the workstation 5 of the intermediate section B, and each system (equipment in charge) is read there.
The data processing necessary for the management of the instrument is executed, and the calibration data is centrally managed, and the quality of the instrument 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 a necessary item is selected from the menu displayed on the liquid crystal display 7 to execute data processing, and the management data is It is stored in the calibration data memory 5b. Further, 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 required.

In this workstation 5, the management data of each system recorded on the floppy disk 15 is
The data is read by the host computer 9 of the general control department A, and the data processing necessary for the general control of the entire plant is executed here, and the calibration data is centrally controlled, and the quality of the instrument is judged by the same judgment formula as described above. The calibration data and the determination result of quality 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, and a necessary item is selected from the menu displayed on the CRT 2 to execute the data processing, and the total management data is the optical management data. Magnetic desk 1
Stored in 4. Further, this management data can be printed out by the laser beam printer 3 as needed.

As described above, in this 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 by the electronic notebook 13 is stored in the local terminal. 9 to manage the instruments in charge of each system, and also to take in the management data of the devices in each system of the floppy disk 16 recorded in the local terminal 9 to the workstation 5 and measure each system. A hierarchical management system is adopted in which the management of the equipment is managed, and the management data of each system on the floppy disk 15 recorded by the workstation 5 is taken into the host computer 1 to manage the entire system. To maintain and manage the measuring equipment in each system of the plant. It is obtained by way.

Therefore, a data input screen suitable for each measuring device can be created, and many management processing functions such as plant soundness evaluation are improved, and management of plant safety can be greatly improved. When inspecting and calibrating the measuring equipment at the plant site, the electronic notebook 13 which has received the IDS data and the menu data from the local terminal 9 is used to write the instrument inspection data in the IC card 13a. As described above, there is no need for handwriting or word processing of data, making it paperless, and significantly reducing the data processing time. In addition, erroneous entries and erroneous calculations are eliminated and a database can be created, so that the status and information of each meter can be easily confirmed.

In the above embodiment, the general management department A,
Although the case where the data is managed as the three layers of the intermediate management department B and the data collection department C and the measuring device is maintained and managed has been described, the data may be managed as the two layers of the data collection department and the management department. .

Although the previous data is referred to and the current data is recorded at the site by using the electronic notebook and the IC card, other data can be used as long as it has the same function as the electronic notebook and the IC card described above. You may use the portable terminal of.

[0023]

As described above, according to the present invention, it is possible to process a large amount of instrument calibration data in a short time without handwriting or word processing, and manage the data so that it can be easily confirmed. Therefore, it is possible to provide a maintenance management system for measuring instruments that can effectively utilize data.

[Brief description of drawings]

FIG. 1 is a block configuration diagram for explaining an embodiment of a maintenance management system for measuring equipment according to the present invention.

FIG. 2 is a diagram showing an example of a menu displayed on the display in the embodiment.

[Explanation of symbols]

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 notebook, 13a ...... IC card.

Claims (1)

[Claims] 1. A function of creating and correcting an instrument specification (IDS) of various measuring instruments used for monitoring and controlling a plant and registering it in an IDS data memory, and the above I.
A data management computer that has a function of correcting the calibration data of the measuring device registered in the DS and registering the calibration data in the calibration data memory, and a data management computer that builds these management data in a database. Import the IDS data and menu data via the information transmission medium, call the registered IDS data by specifying the instrument number,
A data collecting computer having a function of registering data at the time of inspection and calibration, receiving the IDS data and menu data from the data collecting computer, and displaying the previous calibration data of a single instrument in charge in each system, It is equipped with a portable terminal that has the function of storing the calibration data of this time in a storage medium, the portable terminal manages each measuring instrument of the plant, and the data collection computer collects the inspection data collected by the portable terminal. Based on the management of measurement equipment for each system, the management computer is constructed in the database as a hierarchical management method that manages measurement equipment for the entire plant based on the data transferred from the data collection computer. The measurement data of the whole plant is maintained and managed by the management data. Maintenance management system of measurement equipment which is characterized.