JP2010276449A - Plant monitoring item automatic display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To achieve a plant operation surely observing safety regulations without depending on the experience and skill of an operator by supporting the selection and determination of monitoring items by the operator. <P>SOLUTION: A monitoring item automatic display system 10 includes: an input unit 22 for accepting an input operation by a user; a plant system standby evaluation unit 23 for determining for all the equipments in a plant 11 whether to standby or not, based on the safety regulation information on the plant monitoring, the plant information obtained from the plant 11, the equipment information of all the equipments composing the plant 11 and the process information indicating all the processes to be monitored in the plant 11; a safety regulation compliance evaluation unit 24 for determining whether the monitored process includes the safety regulations, by obtaining the determination by the plant system standby evaluation unit 23, the safety regulation information, the plant equipment information and process information, and the information of the monitored process; and a monitoring item display dial 13 equipped with a monitoring item display unit 25, which, if the safety regulation is complied, collectively displays the monitoring items required for monitoring the process. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an apparatus and a method for monitoring a plant, and more particularly, to a plant monitoring item automatic display system for assisting an operator to check monitoring items during plant monitoring.

  In general, nuclear power generation facilities have safety regulations established by operators for ensuring safety, and power plants are operated in accordance with these safety regulations. This safety regulation stipulates the operation of the power plant not only during power plant operation but also during periodic inspections that are stopped. The operator of the central control room that manages the operation of the nuclear power plant needs to confirm many monitoring items in order to comply with the conditions stipulated by the above safety regulations.

  A plant monitoring apparatus for comprehensively managing and monitoring work progress from input of construction work status, equipment status, and the like at the time of periodic inspection and realizing appropriate power plant operation is described in, for example, Patent Document 1 described later. The

Japanese Patent Laid-Open No. 9-6428

  However, in confirming the monitoring items of nuclear power plants, nuclear power plants, which are huge systems, have a huge number of monitoring items for safe operation. Skill was necessary. In addition, the conventional plant monitoring device described in Patent Document 1 does not support the operator's monitoring item confirmation in the central control room, and the monitoring items are distributed and displayed in the central control operation room. Important information that is performed is not emphasized and may be misrecognized or unrecognized.

  In particular, during regular inspections, equipment and instruments may not be used for inspection, and the actual situation is that the selection and judgment of alternative instruments depends on the experience and skills of the operator. Furthermore, during regular inspections, the status of the power plant changes daily depending on the progress of work, etc., so it is necessary to select and judge monitoring items accordingly, which also depends on the experience and skills of the operator. Was the actual situation. These situations have inherent human error factors in appropriate monitoring and can be considered to reduce plant safety.

  The present invention has been made to solve the above-described problems, supports the selection and determination of monitoring items by the operator, and reliably follows the safety regulations without depending on the experience and skills of the operator. It aims at providing the plant monitoring item automatic display system which realizes management of.

  In order to solve the above-described problems, the plant monitoring item automatic display system according to the present invention acquires plant information that changes every moment of the plant to be monitored and controlled, and collectively displays monitoring items necessary for monitoring. A monitoring item display panel is provided, and the monitoring item display panel is required to comply with an input unit that receives a user's input operation and plays a role as an input interface, and monitors the plant stored in a readable manner in advance. A plant that judges whether or not all the devices in the plant are in standby based on information on safety regulations, device information on all devices constituting the plant, and process information indicating all processes to be monitored by the plant System standby evaluation unit and standby / non-standby determination result of all the devices of the plant determined by the plant system standby evaluation unit And the safety regulation information, the equipment information of the plant and the process information of the plant, and information on which process of all the processes is obtained from the input unit, specified by the input unit A safety provision establishment evaluation unit that determines whether or not a process complies with the safety provisions, and the safety provision establishment evaluation part determines that the process specified in the input part complies with the safety provisions And a monitoring item display unit that collectively displays monitoring items necessary for monitoring the process.

  According to the present invention, it is necessary to acquire the plant information of the plant to be monitored and controlled, and to comply with the safety regulations taking into account the acquired plant information, the equipment, the process and the safety regulations constituting the plant. Since information on monitoring items can be extracted and the extracted monitoring items can be displayed automatically and collectively in one apparatus, it is possible to assist the operator in selecting and determining monitoring items. In addition, since all the monitoring items to be monitored in one device are collectively displayed, it is possible to reliably realize the operation of the plant in accordance with the safety regulations without depending on the experience and skill of the operator.

Schematic which shows the outline of the plant monitoring item automatic display system which concerns on this invention. The functional block diagram which shows the schematic functional structure of the plant monitoring item automatic display system which concerns on this invention. Explanatory drawing which showed schematically the processing content of the plant monitoring item automatic display system which concerns on this invention. Explanatory drawing which showed schematically the processing content of the safety regulation establishment property evaluation part in the plant monitoring item automatic display system which concerns on this invention.

  Hereinafter, a plant monitoring item automatic display system according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 is an explanatory diagram showing an outline of operation of the plant monitoring item automatic display system 10 according to the embodiment of the present invention.

  A plant monitoring item automatic display system 10 shown in FIG. 1 automatically and collectively displays monitoring items corresponding to the state of the plant 11 that changes every moment in a plant 11 such as nuclear power, which is a monitoring control target. Is provided with a monitoring item display board 13. The monitoring item display panel 13 is installed in a central control operation room that monitors and controls the plant 11 from the viewpoint of supporting selection and determination of monitoring items by the operator.

  Here, the monitoring item display board 13 has a computer (not shown in the figure). For example, a plant monitoring item automatic display program stored in advance in a predetermined accessible storage device (recording unit) such as a computer. (Hereinafter, the program is abbreviated as “PG”.) In cooperation with 15, a function for extracting the monitoring items of the plant 11 to be monitored and controlled (hereinafter referred to as “monitoring item extraction function”), and extraction. A function of extracting and displaying plant state information acquired according to the monitored items (hereinafter referred to as “monitored item display function”) is realized.

  The monitoring item display panel 13 shown in FIG. 1 is configured independently of a control device (monitoring control console) that monitors and controls the plant, but may be configured integrally. Further, the monitoring item display panel 13 has been described as having the monitoring item extraction function and the monitoring item display function. However, the monitoring item extraction function and the monitoring item display function are realized by other external devices, and the external device can It may be configured to display contents to be displayed on the display 12 according to the received information.

  FIG. 2 is a functional block diagram showing a functional configuration of the plant monitoring item automatic display system 10 according to the embodiment of the present invention.

  A plant monitoring item automatic display system 10 shown in FIG. 2 is obtained by causing a computer built in the monitoring item display board 13 shown in FIG. (Referred to as “I / F unit”) 21, input unit 22, plant system standby evaluation unit 23, safety regulation establishment evaluation unit 24, monitoring item display unit 25, recording unit 26, monitoring item display selection unit 27, ITV processing unit 28, an alarm issuing unit 29 and a control unit 30.

  The I / F unit 21 has a function of constantly acquiring plant information including the state of equipment facilities and parameters of each system of the plant 11 from the plant 11 side. The plant monitoring item automatic display system 10 obtains plant information from the I / F unit 21.

  The input unit 22 serves as an input interface for a user to input necessary information. The input unit 22 sends information indicating what input operation the user has performed (hereinafter referred to as “input operation information”) to the control unit 30.

  The plant system standby evaluation unit 23, for example, isolates plant equipment information and plant equipment from a database (hereinafter referred to as “DB”) stored in a predetermined accessible storage area such as the recording unit 26. -Inspection information is acquired and it is determined whether each system | strain of the plant 11 is standby (non-standby) based on the acquired information.

  The safety regulation establishment evaluation unit 24 stores information that associates safety regulation information that is stored in advance so as to be readable and that is required to be observed for monitoring, and a process to be monitored, and is designated when an arbitrary process is designated. Judge whether the completed process is consistent with the safety regulations. As a result of the determination, it is determined that the process conforms to the safety regulations is established, the monitoring device necessary for monitoring the process and the monitoring item information monitored by the monitoring device are extracted, and the extracted monitoring item information Is sent to the monitoring item display unit 25.

  On the other hand, the safety rule establishment evaluation unit 24 determines that a process that does not conform to the safety rule is a process failure, and sends information on the process failure to the control unit 30. At this time, the control unit 30 performs control so that the alarm issuing unit 29 outputs an alarm sound based on the process failure information.

  The monitoring item display unit 25 has a function of displaying a monitoring item based on the monitoring item information output from the security rule establishment evaluation unit 24 and the monitoring item non-display information received from the monitoring item display selection unit 27. For example, the monitoring item display unit 25 outputs to an element having a display function such as the display 12 illustrated in FIG. 1 and displays the monitoring item to be displayed on the element.

  The recording unit 26 is a storage area that can store and store information such as the plant monitoring item automatic display PG15, the plant equipment DB 33, and the process DB 34 in a predetermined format such as PG, DB, and file.

  The monitoring item display selection unit 27 has a function of selecting not to display a monitoring item to be displayed if there is a user request, and a function of providing the monitoring item display unit 25 with information on a monitoring item not to be displayed. In other words, the monitoring item display selection unit 27 accepts a user request indicating that even a monitoring item that should be originally displayed is not displayed via the input unit 22, and based on the request, monitoring that is not displayed on the monitoring item display unit 25 Item information (monitor item non-display information) is sent to the monitor item display unit 25.

  The ITV processing unit 28 has a function as a so-called ITV (Industrial TeleVision). That is, the ITV processing unit 28 has a function of displaying an image acquired through a monitoring camera (not shown in the figure). The image from the monitoring camera acquired by the ITV processing unit 28 is output and displayed on a component having a display function. For example, in the plant monitoring item automatic display system 10 shown in FIG. 1, when the ITV function is set to “ON”, an image from the monitoring camera can be displayed on the display 12.

  In the plant monitoring item automatic display system 10, the number of channels of the monitoring camera is not limited to one, but may be two or more. When the number of channels of the surveillance camera is two or more, the surveillance camera of the image output source to be displayed on the display 12 can be appropriately switched by an input operation.

  The alarm notification unit 29 has a function of issuing an alarm (outputting an alarm sound) when the safety rule establishment evaluation unit 24 determines that the safety rule is not established (security rule is not established). When the safety regulation establishment evaluation unit 24 determines that the safety regulation is not established, the alarm reporting unit 29 receives a control signal for issuing a warning from the control unit 30 and outputs an alarm sound.

  The control unit 30 includes each processing unit of the plant monitoring item automatic display system 10, that is, an I / F unit 21, an input unit 22, a plant system standby evaluation unit 23, a safety regulation establishment evaluation unit 24, a monitoring item display unit 25, and a record. Unit 26, monitoring item display selection unit 27, ITV processing unit 28, and alarm reporting unit 29. The I / F unit 21, the input unit 22, and the plant system standby evaluation unit are provided via the control unit 30. 23, the safety regulation establishment evaluation unit 24, the monitoring item display unit 25, the recording unit 26, the monitoring item display selection unit 27, the ITV processing unit 28 and the alarm reporting unit 29 are configured to be able to exchange information with each other. .

  The plant equipment DB 33 stored in the recording unit 26 is a database of equipment information such as types, names, numbers, and drive methods of all equipment in the plant 11. The equipment information stored and held in the plant equipment DB 33 can be used by referring to other processing units such as the plant system standby evaluation unit 23 and the safety regulation establishment evaluation unit 24 via the control unit 30.

  The process DB 34 is a database of process information defining the isolation time, inspection time, unit test time, trial operation time, etc. of each system and each device of the plant 11. The process information stored and held in the process DB 34 can be used by referring to other processing units such as the plant system standby evaluation unit 23 and the safety regulation establishment evaluation unit 24 via the control unit 30.

  FIG. 3 is an explanatory diagram schematically showing the processing contents of the plant monitoring item automatic display system 10 according to the present invention.

  In the plant monitoring item automatic display system 10, as shown in FIG. 3, first, the plant system standby evaluation unit 23 is based on the acquired plant information, device information about all devices in the plant 11, and process information of the plant 11. The standby / non-standby of each system of the plant 11 is determined. And based on this determination result, the equipment information about all the equipment of the plant 11, and the process information of the plant 11, the safety regulation establishment evaluation unit 24 judges whether the process to be evaluated complies with the safety regulation. Subsequently, when the process complies with the safety regulations, the monitoring items are collectively displayed on the monitoring item display unit 25 so that the monitoring items necessary for monitoring the process can be seen at a glance. If the process does not comply with the safety regulations, the alarm reporting unit 29 can receive information on the failure to establish the safety regulations via the control unit 30 and output an alarm sound.

  Furthermore, the processing content of the safety regulation feasibility evaluation unit 24 of the plant monitoring item automatic display system 10 will be described in a little more detail.

  FIG. 4 is an explanatory diagram schematically showing the processing contents of the safety regulation feasibility evaluation unit 24 in the plant monitoring item automatic display system 10.

  As shown in FIG. 4, the safety regulation feasibility evaluation unit 24 holds information in which safety regulation information that is required to be observed in advance is associated with monitoring processes, and an arbitrary process is designated. If it is determined that the process specified by the process condition extraction element 36 is consistent with the safety regulations, the process condition extraction element 36 for determining whether the process designated by the process conditions is consistent with the safety regulations. A monitoring item information extraction element 37 that extracts information on a monitoring device necessary for monitoring and monitoring item information to be monitored by the monitoring device, and sends the extracted monitoring item information to the monitoring item display unit 25 via the control unit 30; Is provided.

  For example, as an example shown in FIG. 4, when the state of a nuclear reactor that is an example of the plant 11 is before fuel transfer during periodic inspection, “the reactor water level is near the overflow water level”, “when the reactor is shut down” Assume that the safety regulations stipulate that the cooling system is in operation. First, when information about the process of the case shown in FIG. 4 is input from the user via the input unit 22 (FIG. 2), the safety regulation feasibility evaluation unit 24 checks the state before the fuel movement in the periodic inspection. It is received and recognized.

  Subsequently, in the safety regulation feasibility evaluation unit 24, the process condition extraction element 36 determines the safety regulation associated with the recognized process, that is, “the reactor water level is near the overflow water level”, “reactor shutdown” The conditions for extracting the fact that the time cooling system is in operation and the like and establishing this are the conditions for establishing the process that the reactor water level monitoring system and the reactor shutdown cooling system are in service.

  When the process condition extraction element 36 extracts the process establishment condition that the reactor water level monitoring system and the reactor shutdown cooling system are in service, the monitoring item information extraction element 37 sets the conditions extracted by the process condition extraction element 36 to Based on this, the monitoring equipment for the reactor water level monitoring system and the monitoring equipment for the cooling system at the time of shutdown of the reactor and the judgment result of standby / non-standby for each system of the plant 11 are obtained and monitored. The monitoring item to be extracted is extracted, and the extracted monitoring item information is sent to the monitoring item display unit 25. In the monitoring item display unit 25, monitoring items are collectively displayed based on the monitoring item information.

  According to the plant monitoring item automatic display system 10 configured as described above, first, plant information of the plant 11 to be monitored and controlled, device information about all devices of the plant 11, isolation / inspection information, and process information are obtained. Obtaining, determining standby / non-standby of each system of the plant 11, and subsequently, as initial information, information on which process is the current process to be monitored, standby / As a result of non-standby determination, it is determined whether the process to be evaluated complies with the safety regulations based on the equipment information about all equipment in the plant 11 and the process information of the plant 11, and if the process complies with the safety regulations, In order to understand the monitoring items necessary for process monitoring at a glance, the monitoring items are stored in one apparatus (of the plant monitoring item automatic display system 10 shown in FIG. 1). If, it can be collectively displayed on the monitor item display panel 13).

  As a result, the items to be monitored are collectively displayed on the display 12 (monitoring item display unit 25) of the monitoring item display panel 13, so that the operator can assist in selecting and determining the monitoring items. In addition, since all the monitoring items to be monitored are collectively displayed on the display 12 (monitoring item display unit 25), the operation of the plant is surely performed according to the safety regulations without depending on the experience and skills of the operator. can do. On the other hand, in the plant monitoring item automatic display system 10, if the process to be evaluated complies with the safety regulations and the process does not comply with the safety regulations, the information on the failure of the safety regulations can be received and an alarm sound can be output. .

  Furthermore, the plant system standby evaluation unit 23 acquires plant equipment information and plant equipment isolation / inspection information, and determines whether each system of the plant 11 is on standby (non-standby) based on the acquired information. Therefore, it is possible to send the monitoring item information obtained by extracting only the monitoring items for the in-service devices excluding the devices under isolation and inspection to the display 12 (monitoring item display unit 25).

  For example, in a certain stage of the periodic inspection process (reactor state), the reactor water temperature is monitored by one or more thermometers among three thermometers, and the three regulations When one of the meters is in isolation, only the temperatures of the two in-service thermometers are transmitted to the display 12 as monitoring item information. As a result, it is possible to prevent the operator from erroneously reading the meter that is out of service due to maintenance or the like.

  Furthermore, the monitoring item display selection unit 27 having a function of not displaying the monitoring items to be displayed among the monitoring items to be displayed in response to the user's request on the monitoring item display unit 25 is provided. The user can select and set the display and non-display of monitoring items as appropriate according to circumstances such as there are many monitoring items to be displayed and it is difficult to see the display.

  Moreover, when the plant 11 is a nuclear power plant, for example, confirmation may be prescribed | regulated by ITV in the safety management point. In such a case, since the ITV processing unit 28 having a function of displaying an image acquired through a monitoring camera (not shown in the drawing) is provided, an image from the monitoring camera can be displayed on the display 12.

  Note that the present invention is not limited to the above-described embodiments as they are, and may be embodied by modifying constituent elements without departing from the scope of the invention in the implementation stage. For example, some non-essential constituent elements may be deleted from all the constituent elements shown in the embodiment, or the known / conventional techniques at the time of filing may be appropriately added as new constituent elements as necessary.

  For example, the monitoring item display selection unit 27, the ITV processing unit 28, and the alarm issuing unit 29 of the plant monitoring item automatic display system 10 shown in FIG. 2 are optional components of the plant monitoring item automatic display system 10, and these You may employ | adopt the structure which does not comprise.

  Moreover, in the plant monitoring item automatic display system 10 shown in FIG. 1, the processing units 21, 22, 23, 24, 25, 26, 27, 28, 29, and 30 shown in FIG. The panel) 13 has a configuration, but a part of these functions may be provided to a device other than the monitoring item display panel 13. For example, the monitoring item display unit 25 may be configured as a display device provided separately from the display 12 of the monitoring item display board 13.

DESCRIPTION OF SYMBOLS 10 Plant monitoring item automatic display system 11 Plant 12 Display 13 Monitoring item display board 15 Plant monitoring item automatic display program 21 I / F part 22 Input part 23 Plant system standby evaluation part 24 Security regulation feasibility evaluation part 25 Monitoring item display part 26 Recording unit 27 Monitoring item display selection unit 28 ITV processing unit 29 Alarm issuing unit 30 Control unit 33 Plant equipment DB
34 Process DB
36 Process condition extraction element 37 Monitoring item information extraction element

Claims (6)

The monitoring item display panel is provided with a monitoring item display panel that obtains plant information that changes every moment of the plant to be monitored and controlled and collectively displays the monitoring items necessary for monitoring,
An input unit that accepts user input operations and serves as an input interface;
Based on safety regulation information required to be observed in monitoring the plant stored in a readable manner, device information about all devices constituting the plant, and process information indicating all processes to be monitored by the plant A plant system standby evaluation unit that determines whether or not all devices in the plant are in standby,
The plant system standby evaluation unit determines the standby / non-standby determination result of all the devices in the plant, the safety regulation information, the plant device information and the plant process information, and the input unit Information on which of these processes is acquired, and a safety rule establishment evaluation unit that determines whether or not the process specified in the input unit complies with the security rule,
A monitoring item display unit that collectively displays monitoring items necessary for monitoring the process when the safety rule establishment evaluation unit determines that the process specified in the input unit complies with the security rule; Monitoring item automatic display system characterized by The safety regulation feasibility evaluation unit limits the security regulation to monitoring items related to in-service devices based on the standby / non-standby determination result of all the devices in the plant determined by the plant system standby evaluation unit. The monitoring item automatic display system according to claim 1, wherein it is determined whether or not compliance is made. The security provision feasibility evaluation unit holds information associating the safety provision information with all the processes to be monitored, and when an arbitrary process is designated, the designated process is designated as a safety provision. A process condition extraction element for judging whether or not
Monitoring item information for extracting information on monitoring devices necessary for monitoring the process and monitoring items monitored by the monitoring device when it is determined that the process specified by the process condition extraction element is consistent with the safety regulations. The monitoring item automatic display system according to claim 1, further comprising an extraction element. The monitoring item display selection part which provides the function to select not to display the monitoring item which should be originally displayed on the said monitoring item display part by a user's selection from the said input part is further provided. 4. The monitoring item automatic display system according to any one of 3 above. 5. The ITV processing unit according to claim 1, further comprising an ITV processing unit having a function of displaying an image acquired through a monitoring camera installed in advance on at least one of the monitoring item display unit and another display device. The monitoring item automatic display system according to claim 1. 6. The alarm notification unit configured to issue an alarm when the safety rule establishment evaluation unit determines that the safety rule is not established, 6. Monitoring item automatic display system described in 1.

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