JPH06242281A - Power plant state monitoring device - Google Patents

Abstract

PURPOSE:To efficiently compare and correct data, and output data necessary for monitoring the state in a short time by checking the compatibility of on-line process data with on-site sample data, preserving them, compiling the file as necessary and outputting them. CONSTITUTION:Operation data of a plant 15 is collected with a computer 16 for plant surveillance and control and input the on-line data necessary for monitoring the state in an on-line data collection means 5. The input data are checked for the compatibility with the monitored data with an on-line data check means 12. On the other hand, for items necessary for sampling from the site, information is given from an inspection related data give and take means 10 upon request of an operator interface 6 and the data are collected with a handy terminal 3. After checking, the data is given through a sample data collection means 4 to a collected date data checking means 13. The check means 13 checks the time compatibility of the online data with the sample data, preserves 7, monitors 14 as necessary, processes 8 and outputs 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a state management device for a power plant that supports the management of plant operation data and inspection data.

[0002]

2. Description of the Related Art A power plant such as a thermal power plant or a nuclear power plant has, for example, a main power plant such as a boiler or a turbine, a condenser, a feed water heater, an auxiliary device such as a pump, when the thermal power plant is taken as an example. It is a huge system composed of a wide variety of equipment such as various types of equipment, various power supply equipment, various pipes / electric wires that connect them to each other, control devices, and fuel equipment, and operates without distinction between day and night, weekdays, and holidays. Most have been done.

Under these operating conditions, in order to supply stable and economical electric power, which is the original mission of these power plants, in the long term, state management of daily plant operation data and daily operation are performed. It is very important to manage the data during the inspection inspection and the data during the trial run after the regular inspection. The above-mentioned data management is performed by checking the presence / absence of abnormal data on the CRT screen, recording records such as inspection records, and collecting data records. FIG. 6 is a flowchart showing the flow of conventional processing.

In a plant 15 such as a thermal power plant, process data of the plant, that is, steam flow rate, fuel flow rate,
A plant monitoring control computer 16 manages plant operation data of thousands of points such as steam temperature and steam pressure, and controls and monitors the operation of the plant. As a means for daily management of operating data that is changing from moment to moment, not only is the reading of the data sheet 17 output from the printer of the plant monitoring control computer 16 performed by a human system,
It is necessary to check 18 for data anomalies by comparing with control values and standard values.

For data that cannot be taken into the plant monitoring control computer as process data because no sensor is installed, bring a recording sheet such as an inspection recording sheet and a writing instrument to configure the plant. Data collection 19 is performed on-site for each device, the collected data is entered on a recording sheet, and data abnormalities are checked 20.

The data taken in from the plant monitoring control computer 16 and the data manually collected at the site as described above are transferred to various forms such as operation records and inspection records that are finally managed. It is the current situation.

[0007]

However, it is difficult to add a sensor at an existing power plant that has been operating for several years or more because of operational and cost constraints. Compared to this, not only is the amount of data collected directly from the site large, but the target equipment is diverse, so reading the data requires a great deal of time and manpower. Further, the work of transcribing the data taken in from the plant monitoring and control computer 16 and the data manually collected at the site to the recording sheet also takes much more time and labor, and a transcription error or the like occurs. .

[0008] As a guidance output means and a recording / editing means for the read data when directly collecting the data at the site, a portable data collecting device such as a handy terminal or a notebook personal computer type and a personal computer for storing / editing the data are used. Although a combined system has already been provided, a device for automatically creating various records by combining the data collected by such means with the online process data of the plant has not been developed yet.

Therefore, the present invention incorporates plant online process data and manual input data necessary for creating various records such as daily inspection records, test run records after periodical plant inspections, and operation records, data correction, various An object of the present invention is to provide a state management device for a power plant, which can output records and compare with past data.

[0010]

The present invention provides an online data collecting means for taking in online process data processed by a power plant monitoring control computer and the like, and a portable type for manually collecting plant data on site. A terminal, an inspection-related data passing means for passing information such as collected data items to this portable terminal, a collected data collecting means for taking in the data collected by the portable terminal, an online data and a portable terminal A collection date / time checking unit for collating time information of data, a data storage unit for storing the captured data, and a data output processing unit for outputting the data selected by the data storage unit are provided.

[0011]

According to the present invention, the data collected by the on-line process data collection means from the plant and the data collection means on site are subjected to a temporal consistency check of the collection time, the results are saved, and the operator's request is made. Edit the form and output to the printer according to the. Therefore, it is possible to collect online process data from the plant and data collected at the site, and perform data consistency check and storage, form editing, and output in an extremely short time and efficiently.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram of a state management device for a power plant showing an embodiment of the present invention. The state management device 1 includes a system control unit 2, a portable terminal 3, a collected data collection unit 4, an online data collection unit 5, an operator interface 6, a data storage unit 7, a data output processing unit 8 and an output device 9. . The system control unit 2 also includes inspection-related data delivery means 10, data correction means 11, online data check means 12, collection date and time check means 13, and data search means 14.

The system control unit 2 controls the state management device 1 as a whole. The portable terminal 3 performs the inspection route instruction, the collection and storage of the collected data, and the consistency check of the collected data determined by the command from the inspection-related data delivery means 10. The collected data collection means 4 is a portable terminal 3
Collect the data collected in. The online data collecting means 5 collects the online process data of the plant 15 collected by the plant monitoring control computer 16,
It is taken into the state management device 1. The operator interface 6 is an operator interface that performs a series of operations of the state management device 1. The data storage unit 7 stores various information handled by the state management device 1. The data output processing unit 8 converts the data instructed by the system control unit 2 into
A process of outputting a form or a CRT screen image to the output device 9 is performed. The output device 9 is a device that outputs forms and the like.

With the above configuration, the operation process data in the plant 15 is collected online in the plant monitoring control computer 16. Online data necessary for state management is input from the plant monitoring control computer 16 to the state management device 1 by the online data collecting means 5. The consistency between the input online data and the management value data registered in advance by the online data check means 12 is checked.

On the other hand, for items that require data collection on site without a sensor for automatic data acquisition, a portable type in which necessary information is passed from the inspection-related data delivery means 10 upon request from the operator interface 6. Data is collected and checked using the terminal 3, and the data collected at the site is collected data collection means 4
Is passed to the collection date / time data checking means 13. The inspection-related data delivery means 10 will be described in detail with reference to FIG. First, the inspection instruction content determination unit 10a determines the inspection route, inspection item, control value of check data, and other inspection-related contents requested from the operator interface 6, and the inspection-related data acquisition unit 10b stores the inspection-related data in the data storage unit 7. Corresponding data is extracted and stored in the inspection-related data storage unit 10c. This information is transmitted to the portable terminal 3 by the inspection-related data interface unit 10d including optical coupling by infrared rays, for example. Details of the portable terminal 3 are shown in FIG. The transmitted information is stored in the inspection route database 3a and the check data database 3b of the portable terminal 3. The data collection work at the site is performed according to the inspection route output on the display unit 3d. Data is collected in the data input section 3
After the data is input to the portable terminal 3 by c and the data is input one by one, the data check means 3e can determine the consistency with the data stored in the check data database. The input data and the data check result are stored in the inspection data storage unit 3f together with the input date and time, and taken out by the collected data collecting means 4.

Next, collation of online data and data by the portable terminal 3 will be described with reference to FIG. The online data taken in by the online data checking means 12 and the collected data taken in by the collected data collecting means 4 each have a year, month, day, hour, and minute for each collection, and the collecting date and time checking means 13 The consistency of the same date and time is checked, and, for example, the online data 13a for H / F on M / D / Y and the collected data 13b on H / F for M / D, Y are combined into a single file. It is stored in the storage unit 7.

When the data retrieval conditions such as the date and time of the data to be output and the type of record to be output are designated from the operator interface, the data retrieval means 14 retrieves the relevant data from the data storage unit 7, and the data output processing unit 8
Thus, an output form is created, and the output device 9 outputs the form as shown in the record 8a or the record 8b.

As described above, according to the above-described embodiment, the periodical collection of the daily operating condition values, the manual data collection at the site, etc. are quickly performed, and at the same time, the validity of the data is checked and checked. It is possible to easily compare with the previously specified data such as the previous value, and labor saving can be achieved by automatically creating various reports and inspection records.

[0020]

As described above, according to the present invention, it is possible to detect an abnormal tendency of a plant at an early stage by periodically collecting the operating condition values of the plant, and it will be useful for improving the efficiency of the plant in the future. be able to.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a portable terminal of the present invention.

FIG. 3 is an explanatory diagram of a collection date / time checking means of the present invention.

FIG. 4 is an explanatory diagram of inspection-related data collection means of the present invention.

FIG. 5 is an explanatory diagram of a data output processing unit of the present invention.

FIG. 6 is a block diagram showing a conventional example.

[Explanation of symbols]

 1 state management device 2 system control unit 3 portable terminal 4 collected data collection means 5 online data collection means 6 operator interface 7 data storage section 8 data output processing section 9 output device 10 inspection related data collection means 11 data correction means 12 online data Collection means 13 Collection date and time check means 14 Data search means 15 Plant 16 Plant monitoring control computer

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Claims (1)

[Claims] 1. An online data collecting means for taking in online process data processed by a computer for power plant monitoring control, a portable terminal for manually collecting plant data on site, and a portable terminal for this portable terminal. Inspection-related data delivery means for delivering information such as collected data items, collected data collection means for capturing data collected by the portable terminal, and time information of the online data and data from the portable terminal are collated. A state management device for a power plant, comprising: collection date / time checking means, a data storage unit that stores the captured data, and a data output processing unit that outputs data selected by the data storage unit.