JPH05217091A - Plant information display system and its portable field terminal equipment - Google Patents

Abstract

PURPOSE:To quickly detect abnormality in equipment, to reduce operator's load and to improve the reliability of data comparison by making it possible to easily refer to data displayed on a central control room even from a plant field. CONSTITUTION:A host computer 5 collects plant data collected from a process part 1 by a process computer 2 and displayed in the central control room 3 at real time and respective data bases 4, 5D store image information such as the apparatus arrangement and appearance of the plant, apparatus retrieving rules, and so on. An operator in the plant field can communicate with the host computer 5 from the field through a field terminal equipment 6 and refer to data displayed in the room 3 or the information of field apparatuses. The field apparatus information includes image information, apparatus information, maintenance information, and so on. A field apparatus retrieving function using the data bases 4, 5D can be executed from the field through the equipment 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plant information display system in a plant having a central control room such as a nuclear power plant, and particularly to a plant information display system useful for equipment maintenance at the plant site and its portable field terminal. Regarding the device.

[0002]

2. Description of the Related Art Conventionally, for example, in a plant such as a nuclear power plant, a so-called centralized monitoring system has been implemented in which process information of each equipment is collected and displayed in a central control room. Many proposals have been made for improving man-machine performance in a centralized monitoring system in a central control room.

For example, according to Japanese Patent Laid-Open No. 60-262094, the video signal and the audio signal of the site in the plant equipment are transmitted and displayed in the central control room so that the user can stay in the central control room without going to the site. , A plant monitoring device that enables precise monitoring of the situation at the site has been proposed.

However, in such a conventional technique, if an abnormality is found in the data displayed in the central control room, whether the abnormality causes a trouble on the communication line with the field equipment, In order to confirm whether or not the problem is due to its own trouble, the operator goes to the site and checks by comparing the data displayed on the field equipment with the data displayed on the main control room. In this case, the collation of data was performed orally by an operator who visited the site with an operator in the main control room using a dedicated telephone. Also, when an operator finds a device that seems to be abnormal even while looking around the site, he or she searches by referring to a book carrying the name of the device, or contacts the central control room by the dedicated telephone. The device status was judged while performing.

[0005]

However, in the above-mentioned prior art, it is necessary for the operator to verbally check the data and specify the target equipment each time using a dedicated telephone. As a result, the burden on the operator is great, and since the work is verbal by telephone, the collation data is not reliable and it is difficult to refer to the flexible data. There was such a problem.

In view of the above-mentioned problems in the prior art, the present invention specifically provides easy and flexible data required for display data on the main control room side and other facility management at the plant site. An object of the present invention is to establish a plant information display system that can be referred to with high reliability, and to provide a portable field terminal device therefor.

[0007]

In order to achieve the above object, according to the present invention, firstly, the plant has a function of collecting process information of the plant being displayed in the central control room in real time, and And a host computer having a database including maintenance information of each facility and equipment placement information, and a host computer that can be carried on site.
A plant information display including a portable and portable field terminal device that communicates with the data and can refer to the data being displayed in the central control room and the maintenance information of each facility in the database and the equipment layout information. A system is proposed.

Further, the database of the host computer includes image information of the field equipment arrangement and appearance of each facility, and the portable field terminal device can display the image of the field equipment arrangement and appearance of each facility. A plant information display system has been proposed.

Further, the host computer and the portable field terminal device can communicate wirelessly.

In addition, the portable field terminal device is provided with an input device, and the host computer has a function of searching for a target device in response to an input from the input device of the portable field terminal device. There is.

Further, the portable field terminal device is provided with an input device, and the host computer has a function of supporting a search for a target device in response to an input from the input device of the portable field terminal device. Display systems have also been proposed.

The plant information display system further comprises a database for preliminarily registering rules relating to equipment search, and the host computer controls the rules of the database and process information of the plant. In addition, there has been proposed one that assists the search for the target device from the keyword input by the operator through the input device of the portable field terminal device.

On the other hand, in order to achieve the above object, according to the present invention, the process information of the plant being displayed in the central control room is used as a portable field terminal device of the plant information display system which can be carried on the site of the plant. A transmission device having a function of collecting in real time, and capable of communicating with a host computer having a database including maintenance information of each facility of the plant and equipment placement information, An arithmetic unit for arithmetically processing the input data, a storage device for storing the input data, an input unit for inputting the data, and a display unit for displaying the input data. A portable field terminal equipped with this is proposed.

Further, the transmission device of the portable field terminal device can wirelessly communicate with the host computer.

In addition, the display device of the portable field terminal device can also display image information.

Further, the display device can simultaneously display the image information of the target device and the device information or the maintenance information thereof.

[0017]

That is, according to the plant information display system and the portable on-site terminal device of the present invention, the on-site terminal device communicates with the host computer which collects data in the main control room in real time, It is possible to refer to the data on the main control room side even at the site, so that the data displayed at the site and the data displayed at the main control room can be easily used when the operator goes around the site. In addition, the collation can be performed with high reliability, the burden on the operator is reduced, and the reliability of data comparison is improved.

Further, according to the plant information display system of the present invention and the other structure of the portable on-site terminal device, it is possible to easily and surely search for the target device on the site by the search function. At that time, by using the image information, an easier and more reliable search becomes possible.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of one embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows the overall system configuration of a plant information display system according to an embodiment of the present invention. As shown also in this figure, the present system includes a process unit 1 including various equipment of a plant, and process data (eg, flow rate, rotation speed, voltage value, current) from each equipment of the process unit 1. Values and the like) in real time and stores the collected process data in the process database (A) 4 as well as a process computer 2 having a function of displaying data on each instrument in the main control room 3 Has been done. The process computer 2 is further connected to a host computer 5 composed of, for example, a microcomputer.

The host computer 5 further has a function of communicating with the process computer 2 and collecting the data (data stored in the process database (A) 3) being displayed in the central control room 3. In addition to the interface section 5A which it has, the equipment information database 5D for storing various image information and various equipment-specific maintenance information as shown in the attached FIG. 2, and a management function for managing the equipment information database 5D, details will be given later. Input / output having an interface function with the computing unit 5B having the predictive function of the retrieval device described in Section 1 and an information portable field terminal device 6 that can be carried to the site by the operator, and an input function for various information and rules. (I / O) section 5C.

The equipment information database 5D shown in FIG.
Stores, as image information, for example, external views (photographs, etc.) of various devices, device dimensional drawings, device layout drawings, and building configuration drawings,
On the other hand, as maintenance information peculiar to various devices, for example, "last replacement date and time" indicating the replacement status of parts,
"Next scheduled replacement date and time" indicating the next replacement schedule, "Last scheduled inspection date and time" and "Next scheduled scheduled inspection date and time" indicating the status of regular examination, "MTBF" indicating the mean failure interval of the equipment, and It stores data such as "fault rate", "normal value range", and "handling precautions".

The information portable field terminal device 6 is also provided.
Communicates with the host computer 5 by, for example, wireless communication, and has a display function of displaying the same process data as the data being displayed in the main control room 4 and each piece of equipment information, as well as for inputting a request from an operator on site. It also has an input function. That is, as shown in the attached FIG. 3, the portable field terminal device 6 includes a transmission device 6A that wirelessly communicates with the host computer 5, a main storage unit 6E that stores the transmitted data, and the transmission data of the transmission data. A display device 6C for displaying, a keyboard 6D for performing various inputs from an operator, and a calculation unit 6B having functions such as image processing and input processing are configured. By using this portable field terminal device 6, the operator can easily refer to the data being displayed in the main control room 4 at the site.

Next, FIG. 4 attached herewith shows an information portable field terminal device 6 in the plant information display system.
An example of a processing flow of device search according to a request from an operator at the site using is shown. This processing is executed by software built in the arithmetic unit 5C in the host computer 5. In addition, when the operator at the site searches for a device, if the device name is known to the operator, the target facility information can be referred to by directly inputting the name, but in this example, It shows a method of searching for target equipment when the name of the target equipment is unknown on site. The method of searching for the target equipment is performed by using the image information of the equipment information database 5D shown in FIG. 2, and the details thereof will be described below with reference to the example of the display screen shown in FIG. explain.

First, when an operator at the site requests the start of search on the information portable field terminal device 6, the position information is displayed (step 101). Specifically, the layout of the building is displayed on the display screen of the on-site terminal device 6. Then, it is determined whether or not more detailed position information can be displayed (step 102). If the result is “Yes”, the operation returns to step 101 and the further detailed position information is displayed. Repeated. For example, the operator of the site specifies the position where the target device exists from the layout on the display screen of the site terminal device 6. After this designation, when the operator makes a display request for a more detailed layout, the more detailed layout of the designated area is displayed on the display screen of the on-site terminal device 6. Here, the operator on site can specify the area of the target device and by repeating the same operation, it is possible to display up to the layout of the device that the operator is trying to search. Then, finally, the operator on site specifies the target device from the device layout diagram on the display screen. As a result, the determination in step 102 is “No”.
Then, the process proceeds to the next step, and it is confirmed that the target device has been selected, and the process ends (step 10).
3). If the target device has not been selected (“N
In the case of “o”), the above operation is repeated again.

The above operation will be described with reference to the attached FIG. 5. For example, when an operator designates a reactor building and further designates its nth floor, the operation shown in FIG. The layout is displayed on the display 6C of the portable field terminal device 6. Therefore, when the operator at the site further designates room B from the n-th floor of the displayed reactor building and requests a detailed layout display inside the room, the B operator as shown in FIG. The detailed equipment arrangement in the room will be displayed. With such a detailed device arrangement, the operator at the site designates the device to be searched, for example, the device B, so that the facility information such as the maintenance information of the device B as shown in the attached FIG. It is possible to easily refer to it even on site.

Next, FIG. 6 attached herewith shows a plant information display system according to another embodiment of the present invention. In this other embodiment, the host computer 5 which is one of the constituent elements of the plant information display system. In addition, a process database (B) 5E different from the process database (A) 4 connected to the process computer 2 is provided. The process database (B) 5E has a function of storing the process data in the process database (A) 4 which is in an abnormal state such as deviation from the permissible range and the device name thereof.

In the configuration of the plant information display system, the device search function by keyword input after designation of an arbitrary area will be described with reference to the attached FIG. The keyword input method for this device search includes (a) data displayed on the field device (that is, the display value of the device, for example, the value of rotation speed, the value of flow rate, the pressure value, the current value, the voltage value). There is a method of searching by inputting (value etc.) or a method of specifying by (b) data type etc. Especially as for the latter data type,
There are (1) identification by data type (for example, type of data such as rotation speed, flow rate, speed, voltage, current, etc.), (2) identification by device arrangement location, (3) identification by device color coding, etc. Can input 1 or 2 or more as keywords, including the former (a) data displayed in the field equipment.

In FIG. 7, steps 101 to 103 are the same as those described with reference to FIG. 4, and in this embodiment, "N" in step 103 is used.
If it is judged as “o”, enter the keyword (Step 1
The process proceeds to 04), and then the target device is predicted (step 105).

The prediction of the target device is carried out by the inputted keyword. However, in the case of the former (a) data being displayed on the field device, the equipment information database 5D shown in FIG. 6 is used for the search. On the other hand, in the case of the latter (b) data type, etc., the process database (A) 4 of FIG. 1 is used to perform the search. If multiple devices are found as a result of this search, the method is to set all of them as applicable devices, or set the monitoring priority for each device and give priority to the device with higher priority. It is also possible to use a method such as selecting. When the former (b) and the latter (b) are used together, for example, the latter (b) gives priority to the corresponding device, the method of selecting a device common to both, or the device common to both. There is a method of selecting a device having a high priority.

Returning again to FIG. 7, as a result of the target device prediction (step 105), the image of the device selected and specified is displayed on the display device 6C of the portable field terminal device 6 (step 106), Whether or not the displayed specific device is the target device is determined (step 107). In step 107, "N
In the case of “o”, the process flow returns to step 106 to display the image of another applicable device, and this process is repeated until the target device is confirmed. That is, the prediction target device using the keyword is individually photographed on the screen in the prediction order, and the operator judges whether or not the device displayed in the photograph is the target device, If it is the target device, it is selected and the device information as shown in FIG. 8 is displayed. If it is not the target device, the next device is displayed, and the same operation is performed thereafter.

Further, as the facility information of the target device attribute on the display device 6C of the portable field terminal device 6 after the target device is selected and specified, the image information such as the appearance of the corresponding device shown in FIG. It is possible to display not only the device information but also the maintenance information of the target device shown in FIG. 2 in a window on the display screen.

[0032]

As is clear from the above detailed description of the present invention, according to the present invention, even at a plant site,
The operator can easily and surely refer to or collate the data displayed in the main control room in real time and flexibly. Therefore, it is possible to promptly and surely detect a plant equipment abnormality. In addition, by using the database, it is possible to easily and surely refer to maintenance information of plant facilities, equipment layout information, etc., and achieve extremely excellent effects such as reducing the burden on operators at the site. You can do it.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic structure of a plant information display system which is an embodiment of the present invention.

FIG. 2 is a diagram for explaining the contents of an equipment information database of the plant information display system.

3 is a block diagram showing a detailed structure of a portable field terminal device of the plant information display system of FIG.

FIG. 4 is an operation flow diagram illustrating an operation of the plant information display system.

FIG. 5 is a diagram showing display contents on the portable field terminal device.

FIG. 6 is a principal block diagram showing a plant information display system according to another embodiment of the present invention.

FIG. 7 is an operation flow explanatory diagram for explaining the operation of the plant information display system of the other embodiment.

FIG. 8 is a diagram showing an example of display information including image information displayed on a portable field terminal device in the plant information display system.

FIG. 9 is a diagram showing another example of display information including image information displayed on a portable field terminal device in the plant information display system, similar to FIG.

[Explanation of symbols]

 1 Process Part 2 Process Computer 3 Central Control Room 4 Process Database (A) 5 Host Computer 5A Interface Part 5B Computing Part 5C Input / Output (I / O) Part 5D Equipment Information Database 5E Process Database (B) 6 Portable Field Terminal Device 6A Transmission Device 6B Computing Unit 6C Display Device 6D Keyboard 6E Main Storage Device

Claims (10)

[Claims] 1. A function of collecting in real time process information of a plant being displayed in the main control room, and
Maintenance information for each facility of the plant, a host computer having a data base including equipment layout information, portable to the site, and communicating with the host computer,
Plant information display characterized by comprising a portable and portable field terminal device capable of referring to data being displayed in the central control room, maintenance information of each facility in the database, and equipment placement information. system. 2. The host computer according to claim 1, wherein the database of the host computer includes image information of field equipment layout and appearance of each facility, and the portable field terminal device is image information of field facility layout and appearance of each facility. A plant information display system characterized by being able to display. 3. The plant information display system according to claim 1, wherein the host computer and the portable field terminal device can wirelessly communicate with each other. 4. The portable field terminal device according to claim 1, further comprising an input device, and the host computer searches for a target device in response to an input from the input device of the portable field terminal device. A plant information display system having a function. 5. The portable field terminal device according to claim 1, wherein the portable field terminal device includes an input device, and the host computer supports a search for a target device in response to an input from the input device of the portable field terminal device. A plant information display system characterized by having a function to perform. 6. The apparatus according to claim 1, further comprising a database for preliminarily registering a rule relating to a device search, and wherein the host computer is a rule of the database and a plant. A plant information display system, which supports a search for a target device from process information and a keyword input by an operator through an input device of the portable field terminal. 7. The central control room has a function of collecting process information of the plant being displayed in real time, and
A transmission device for enabling communication with a host computer having a data base including maintenance information and equipment placement information for each facility of the plant, and a calculation for processing input data. Unit, a storage device for storing input data, an input unit for inputting data,
A portable field terminal device for a plant information display system, which is equipped with a display unit for displaying the input data and is portable on the plant site. 8. The portable field terminal device of the plant information display system according to claim 7, wherein the transmission device wirelessly communicates with the host computer. 9. The portable field terminal device of the plant information display system according to claim 7, wherein the display device can also display image information. 10. The display device according to claim 8, wherein the display device is device information together with image information of a target device, or
A portable field terminal device for a plant information display system, which is capable of displaying the maintenance information at the same time.