CN115982979A

CN115982979A - Object-oriented nuclear power plant instrument control system monitoring design method and system

Info

Publication number: CN115982979A
Application number: CN202211639698.2A
Authority: CN
Inventors: 崔明路; 杨萌; 白江斌; 廖圣勇
Original assignee: China Nuclear Power Engineering Co Ltd
Current assignee: China Nuclear Power Engineering Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-18

Abstract

The invention discloses a monitoring design method and a system of an object-oriented nuclear power plant instrument control system, wherein the method comprises the following steps: establishing an instrument standard object library and an actuating mechanism standard object library of a nuclear power plant instrument control system; establishing a monitoring function typical drawing paper library based on the instrument standard object library and the execution mechanism standard object library; selecting a corresponding monitoring function typical drawing from a monitoring function typical drawing library according to the equipment type and the monitoring control display requirement of the nuclear power plant instrument; supplementing the nuclear power plant instrument or the specific connection relation of the nuclear power plant execution mechanism in the typical monitoring function drawing to complete the monitoring function design of the nuclear power plant instrument and the nuclear power plant execution mechanism, thereby completing the monitoring design of the instrument control system. The method realizes the monitoring design of the instrument control system through the standard object library, has stronger maintainability, expandability and reusability, and is easy to reduce the cost and shorten the design period particularly when engineering change is met.

Description

Object-oriented monitoring design method and system for nuclear power plant instrument control system

Technical Field

The invention relates to the technical field of nuclear industry, in particular to a monitoring design method and a monitoring design system of an object-oriented nuclear power plant instrument control system.

Background

In the design of the existing nuclear power plant instrument control system, the monitoring and control function requirements of the instrument control system are usually expressed by adopting the logical relationship of signals in a control process loop, and what is more important is to use blocks to express the control logical relationship of signals generated by conventional analog components such as a switch button, a regulator, a relay, an indicator and the like in the process-oriented circulation of the nuclear power plant.

However, the instrument control system designed by the design method needs to newly add or modify the logical relationship of the basic components during each design, which not only causes design redundancy, but also causes modification of the whole instrument control system when modifying the logical relationship of the basic components, thereby reducing maintainability, expandability and reusability of the monitoring design of the instrument control system of the nuclear power plant, and particularly increasing cost and prolonging design period when engineering change occurs.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an object-oriented monitoring design method and system for an instrument control system of a nuclear power plant, aiming at the defects in the prior art, the monitoring design of the instrument control system is realized through a standard object library, the maintainability, the expandability and the reusability of a design mode are improved, and particularly, when engineering change is met, the cost is easily reduced, and the design period is shortened.

In a first aspect, the present invention provides a design method for monitoring an object-oriented nuclear power plant instrumentation and control system, the design method comprising the steps of:

s1: establishing an instrument standard object library and an execution mechanism standard object library of a nuclear power plant instrument control system;

s2: establishing a monitoring function typical drawing paper library based on the instrument standard object library and the execution mechanism standard object library; the monitoring function typical graph paper library comprises a meter monitoring function typical graph paper library and an executing mechanism monitoring function typical graph paper library;

s3: selecting a typical monitoring function drawing corresponding to the nuclear power plant instrument from a typical monitoring function drawing library according to the type of the nuclear power plant instrument and the requirement of monitoring control display of the nuclear power plant instrument; or selecting a typical monitoring function drawing corresponding to the nuclear power plant execution mechanism from a typical monitoring function drawing library according to the equipment type of the nuclear power plant execution mechanism and the monitoring control display requirement of the nuclear power plant execution mechanism;

s4: supplementing the nuclear power plant instrument or the specific connection relation of the nuclear power plant execution mechanism in the typical monitoring function drawing to complete the monitoring function design of the nuclear power plant instrument and the nuclear power plant execution mechanism, thereby completing the monitoring design of the instrument control system.

Further, in step S4, the specific connection relationship of the nuclear power plant instrument or the nuclear power plant actuator includes:

linkage signals and logic signals between the nuclear power plant instrument and a control logic layer of the nuclear power plant instrument;

signals between nuclear power plant instruments and operation display layers of the nuclear power plant instruments;

linkage signals and logic signals between the nuclear power plant execution mechanism and a control logic layer of the nuclear power plant execution mechanism;

signals of the nuclear power plant execution mechanism and an operation display layer of the nuclear power plant execution mechanism.

Further, in the step S1:

establishing an instrument standard object library of the nuclear power plant instrument control system, wherein the instrument standard object library comprises an instrument standard object of the nuclear power plant instrument control system and instrument object attribute data of the nuclear power plant instrument control system;

and establishing an actuating mechanism standard object library of the nuclear power plant instrument control system, wherein the actuating mechanism standard object library comprises an actuating mechanism object for establishing the nuclear power plant instrument control system and actuating mechanism object attribute data of the nuclear power plant instrument control system.

Further, the step S2 includes the following specific steps:

step S2.1: determining a nuclear power plant instrument of which a typical drawing needs to be designed, and selecting an instrument standard object corresponding to the nuclear power plant instrument to be designed from an instrument standard object library; determining a nuclear power plant execution mechanism needing to design a typical drawing, and selecting an execution mechanism standard object corresponding to the nuclear power plant execution mechanism needing to be designed from an execution mechanism standard object library;

s2.2, acquiring attribute data of the standard object of the nuclear power plant instrument according to the data attribute requirement of the standard object of the nuclear power plant instrument, and acquiring attribute data of the standard object of the nuclear power plant actuating mechanism according to the data attribute requirement of the standard object of the nuclear power plant actuating mechanism;

s2.3, determining a control logic layer module corresponding to a nuclear power plant instrument according to the type of a nuclear power plant instrument standard object, or determining a control logic layer module corresponding to a nuclear power plant execution mechanism according to the type of a nuclear power plant execution mechanism object;

s2.4, establishing an operation display layer module corresponding to the nuclear power plant instrument and an incidence relation with the control logic layer module according to the nuclear power plant instrument control logic layer module, or establishing an operation display layer module corresponding to a nuclear power plant execution mechanism and an incidence relation with the control logic layer module according to the nuclear power plant execution mechanism control logic layer module;

s2.5, selecting and determining an icon block from a graph template and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation of the control logic layer module and the operation display layer module so as to establish a typical graph paper library of the monitoring function of the nuclear power plant instrument or the nuclear power plant executing mechanism, wherein the graph template is an icon library which is created in advance and used for the monitoring function; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

Further, the determination process of the control logic module in step S2.3 is:

selecting a corresponding control logic layer module from a control logic layer module library according to the type of a nuclear power plant instrument or the type of a nuclear power plant execution mechanism; the nuclear power plant instrument type comprises a nuclear power plant instrument device type and a monitoring control display requirement of a nuclear power plant instrument control system corresponding to the nuclear power plant instrument device type; the type of the nuclear power plant execution mechanism comprises the type of the nuclear power plant execution mechanism equipment and the monitoring control display requirement of the nuclear power plant instrument control system corresponding to the type of the nuclear power plant execution mechanism equipment;

the control logic layer module library is provided with optional control logic layer modules which encapsulate nuclear power plant instrument data and/or nuclear power plant execution mechanism data and/or protection, control and linkage logic of a nuclear power plant execution mechanism and/or control instruction priority and control authority switching.

Further, in step S2.4, establishing an association relationship between the control logic layer of the nuclear power plant instrument and the operation display layer of the nuclear power plant instrument according to the control logic layer module specifically includes:

the operation display layer generates a corresponding nuclear power plant instrument target function display interface according to the target display function of the nuclear power plant instrument,

the operation display layer generates a corresponding nuclear power plant instrument target function operation interface according to the target operation function of the nuclear power plant instrument,

the method comprises the steps that display signals of a nuclear power plant instrument target function display interface come from a control logic layer module of a nuclear power plant instrument, and operation instructions of a nuclear power plant instrument target function operation interface are issued to the control logic layer module of the nuclear power plant instrument to establish an association relation between the operation display layer module and the control logic layer module of the nuclear power plant instrument;

in step S2.4, the operation display layer module corresponding to the nuclear power plant execution mechanism and the association relationship between the operation display layer module and the control logic module are established according to the control logic layer module, which specifically include:

the operation display layer generates a corresponding nuclear power plant execution mechanism target function display interface according to the target display function of the nuclear power plant execution mechanism,

the operation display layer generates a corresponding nuclear power plant execution mechanism target function operation interface according to the target operation function of the nuclear power plant execution mechanism,

the display signal of the nuclear power plant execution mechanism target function display interface comes from a control logic layer module of the nuclear power plant execution mechanism, and the operation instruction of the nuclear power plant execution mechanism target function operation interface is issued to the control logic layer module of the nuclear power plant execution mechanism so as to establish the incidence relation between the operation display layer module and the control logic layer module of the nuclear power plant execution mechanism.

Furthermore, the nuclear power plant instrument target function display interface, the nuclear power plant instrument target function operation interface, the nuclear power plant execution mechanism target function display interface and the nuclear power plant execution mechanism target function operation interface are all arranged on a human-computer interface of a nuclear power plant instrument control system;

wherein:

the nuclear power plant instrument target function display interface comprises instrument data quantity and data type definitions of a nuclear power plant instrument target display function, and the nuclear power plant instrument target function operation interface comprises operation instruction quantity and operation instruction type of a nuclear power plant instrument target operation function;

the nuclear power plant execution mechanism target function display interface comprises data quantity and data type definitions of nuclear power plant execution mechanism target display functions, and the nuclear power plant execution mechanism target function operation interface comprises instruction quantity and types of nuclear power plant execution mechanism target operation functions;

the human machine interface comprises a computerized human machine interface, and/or a non-computerized human machine interface.

The monitoring design method of the object-oriented nuclear power plant instrument control system can ensure that an instrument control function diagram can accurately and completely reflect the control and man-machine interface requirements of a design object (comprising an instrument and an actuating mechanism), and can ensure the standardization and unification of the control function, the operation function and the display function of the instrument and the actuating mechanism with the same instrument control requirement on the drawing expression form. The monitoring design method of the object-oriented nuclear power plant instrument control system provided by the invention realizes the monitoring design of the instrument control system through the standard object library, has stronger maintainability, expandability and reusability, and is easy to reduce the cost and shorten the design period particularly when engineering change occurs.

In a second aspect, the present disclosure provides a monitoring design system for an object-oriented nuclear power plant instrumentation and control system, the system comprising:

the first library establishing unit is used for establishing an instrument standard object library and an execution mechanism standard object library of the nuclear power plant instrument control system; wherein, the instrument standard object library comprises instrument standard object attribute data, and the execution mechanism standard object library comprises execution mechanism object attribute data;

the second library building unit is connected with the first library building unit and is used for building a monitoring function typical drawing library based on the instrument standard object library and the execution mechanism standard object library; the monitoring function typical diagram paper library comprises an instrument monitoring function typical diagram paper library and an execution mechanism monitoring function typical diagram paper library;

the selecting unit is connected with the second library building unit and used for selecting a monitoring function typical drawing corresponding to the nuclear power plant instrument from a monitoring function typical drawing library according to the type of the nuclear power plant instrument and the requirement of monitoring control display of the nuclear power plant instrument; or selecting a typical monitoring function drawing corresponding to the nuclear power plant execution mechanism from a typical monitoring function drawing library according to the equipment type of the nuclear power plant execution mechanism and the monitoring control display requirement of the nuclear power plant execution mechanism;

the design element, respectively with the second build storehouse unit with the selection unit is connected, is used for supplement in the typical drawing of monitoring function nuclear power plant instrument or the specific relation of connection of nuclear power plant actuating mechanism to accomplish nuclear power plant instrument and nuclear power plant actuating mechanism's monitoring function design, thereby accomplish the monitoring design of instrument control system.

Further, the second library building unit specifically includes:

the system comprises a first determining module, a second determining module and a judging module, wherein the first determining module is used for determining the nuclear power plant instrument of a typical drawing to be designed and selecting an instrument standard object corresponding to the nuclear power plant instrument to be designed from an instrument standard object library; determining a nuclear power plant execution mechanism needing to design a typical drawing, and selecting an execution mechanism standard object corresponding to the nuclear power plant execution mechanism needing to be designed from an execution mechanism standard object library;

the acquisition module is connected with the first determination selection module and used for acquiring attribute data of the standard object of the nuclear power plant instrument according to the data attribute requirement of the standard object of the nuclear power plant instrument and acquiring attribute data of the standard object of the nuclear power plant execution mechanism according to the data attribute requirement of the standard object of the nuclear power plant execution mechanism;

the second determining module is connected with the acquiring module and is used for determining a control logic layer module corresponding to the nuclear power plant instrument according to the type of the standard object of the nuclear power plant instrument or determining a control logic layer module corresponding to the nuclear power plant execution mechanism according to the type of the object of the nuclear power plant execution mechanism;

the establishing module is connected with the determining module and is used for establishing an operation display layer module corresponding to the nuclear power plant instrument and an incidence relation with the control logic layer module according to the nuclear power plant instrument control logic layer module, or establishing an operation display layer module corresponding to the nuclear power plant executing mechanism and an incidence relation with the control logic layer module according to the nuclear power plant executing mechanism control logic layer module;

the third determining module is connected with the establishing module and used for selecting and determining an icon block from the graph template and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation between the control logic layer module and the operation display layer module so as to establish a typical graph paper library of the monitoring function of the nuclear power plant instrument or the nuclear power plant executing mechanism, wherein the graph template is an icon library which is created in advance and used for the monitoring function; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

Further, the system also comprises:

the human-computer interface unit is connected with the design unit and is used for arranging a target function display interface and a target function operation interface on a human-computer interface of the nuclear power plant instrument control system;

wherein:

for a nuclear power plant instrument, the target function display interface comprises instrument data quantity and data type definitions of a nuclear power plant instrument target display function, and the target function operation interface comprises operation instruction quantity and operation instruction type of a nuclear power plant instrument target operation function;

for a nuclear power plant execution mechanism, the target function display interface comprises data quantity and data type definitions of target display functions of the nuclear power plant execution mechanism, and the target function operation interface comprises instruction quantity and types of target operation functions of the nuclear power plant execution mechanism;

the human-machine interface comprises a computerized human-machine interface, and/or a non-computerized human-machine interface.

In addition, the system comprises a monitoring function design of an instrument and an execution mechanism, and the monitoring system is designed according to the monitoring design method of the object-oriented nuclear power plant instrument control system.

The monitoring system of the object-oriented nuclear power plant instrument control system can ensure that an instrument control function diagram can accurately and completely reflect the control and man-machine interface requirements of a design object (comprising an instrument and an actuating mechanism), and can ensure the standardization and unification of the control function, the operation and the display function of the instrument and the actuating mechanism with the same instrument control requirement on the drawing expression form. The monitoring system of the object-oriented nuclear power plant instrument control system provided by the invention realizes the monitoring design of the instrument control system through the standard object library, has stronger maintainability, expandability and reusability, and is easy to reduce the cost and shorten the design period particularly when engineering change occurs.

Drawings

FIG. 1 is a flow chart of a monitoring design method for an object-oriented nuclear power plant instrumentation and control system in an embodiment of the present disclosure;

FIG. 2 is a flow chart of a monitoring design method including the establishment of a representative graph paper library of monitoring functions in an embodiment of the present invention;

fig. 3 is a schematic diagram of an establishment process of a typical monitoring function drawing in the embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be made with reference to the accompanying drawings.

It is to be understood that the specific embodiments and figures described herein are merely illustrative of the invention and are not limiting of the invention.

It is to be understood that the various embodiments and features of the embodiments may be combined with each other without conflict.

It is to be understood that, for the convenience of description, only parts related to the present invention are shown in the drawings of the present invention, and parts not related to the present invention are not shown in the drawings.

It should be understood that each unit and module related in the embodiments of the present invention may correspond to only one physical structure, may also be composed of multiple physical structures, or multiple units and modules may also be integrated into one physical structure.

It will be understood that, without conflict, the functions, steps, etc. noted in the flowchart and block diagrams of the present invention may occur in an order different from that noted in the figures.

It is to be understood that the flowchart and block diagrams of the present invention illustrate the architecture, functionality, and operation of possible implementations of systems, apparatus, devices and methods according to various embodiments of the present invention. Each block in the flowchart or block diagrams may represent a unit, module, segment, code, which comprises executable instructions for implementing the specified function(s). Furthermore, each block or combination of blocks in the block diagrams and flowchart illustrations can be implemented by hardware-based systems that perform the specified functions or by a combination of hardware and computer instructions.

It is to be understood that the units and modules involved in the embodiments of the present invention may be implemented by software, and may also be implemented by hardware, for example, the units and modules may be located in a processor.

In the design of the prior nuclear power plant, the logic relation of signals in a control process loop is usually adopted to express the monitoring and control function requirements of an instrument control system, and more importantly, the logic relation of conventional analog components such as a switch button, a regulator, a relay, an indicator and the like in the process-oriented control of the nuclear power plant is expressed by using blocks.

After the instrument control system of the nuclear power plant is completely digitalized, the control logic layer adopts a computer technology to realize more complex control logic by utilizing a processor and provides more information to a human-computer interface by utilizing a communication network; by using the computerized graphic workstation, the system picture can support dynamic graphic display, and richer information is provided for operators to monitor the states of the power plant and the equipment. In order to better meet the characteristics of the digital development of the nuclear power plant, the inventor provides a monitoring design method and a monitoring design system of an object-oriented nuclear power plant instrument control system, wherein information data of instruments and actuating mechanism objects of the instrument control system and control and monitoring operations acting on the objects are used as basic units of instrument control design, and standardized design activities are carried out on monitoring requirements of typical instruments and actuating mechanism objects in the instrument control system as a whole.

Example 1:

as shown in fig. 1 and fig. 2, the present embodiment provides a monitoring design method for an object-oriented nuclear power plant instrumentation and control system, the design method including the steps of:

s1, establishing an instrument standard object library and an execution mechanism standard object library of a nuclear power plant instrument control system;

specifically, in the step, an instrument standard object library of the nuclear power plant instrument control system is established, wherein the instrument standard object library comprises an instrument standard object for establishing the nuclear power plant instrument control system and instrument object attribute data of the nuclear power plant instrument control system; and establishing an actuating mechanism standard object library of the nuclear power plant instrument control system, wherein the actuating mechanism standard object library comprises an actuating mechanism object for establishing the nuclear power plant instrument control system and actuating mechanism object attribute data of the nuclear power plant instrument control system.

S2, establishing a typical graph paper library with a monitoring function based on the standard object library of the instrument and the standard object library of the actuating mechanism; wherein, the monitoring function typical diagram paper library comprises an instrument monitoring function typical diagram paper library and an executing mechanism monitoring function typical diagram paper library;

specifically, the establishment of the typical graph paper library of the monitoring function in step S2 includes the following processes:

s2.2, acquiring attribute data of the standard object of the nuclear power plant instrument according to the data attribute requirement of the standard object of the nuclear power plant instrument, and acquiring attribute data of the standard object of the nuclear power plant execution mechanism according to the data attribute requirement of the standard object of the nuclear power plant execution mechanism;

s2.3, determining a control logic layer module corresponding to the nuclear power plant instrument according to the type of the standard object of the nuclear power plant instrument, or determining a control logic layer module corresponding to the nuclear power plant execution mechanism according to the type of the object of the nuclear power plant execution mechanism;

specifically, in this step S2.3, the determination process of the control logic module is:

the control logic layer module library is provided with selectable control logic layer modules which encapsulate nuclear power plant instrument data and/or nuclear power plant actuating mechanism data and/or protection, control and interlocking logic of the nuclear power plant actuating mechanism and/or control instruction priority and control authority switching.

specifically, in step S2.4, the establishing of the association relationship between the control logic layer of the nuclear power plant instrument and the operation display layer of the nuclear power plant instrument according to the control logic layer module specifically includes:

a display signal of a nuclear power plant instrument target function display interface is from a control logic layer module of a nuclear power plant instrument, and an operation instruction of a nuclear power plant instrument target function operation interface is issued to the control logic layer module of the nuclear power plant instrument so as to establish an association relation between the operation display layer module and the control logic layer module of the nuclear power plant instrument;

in step S2.4, an operation display layer module corresponding to the nuclear power plant execution mechanism and an association relationship between the operation display layer module and the control logic module are established according to the control logic layer module, and the method specifically includes:

Specifically, a nuclear power plant instrument target function display interface, a nuclear power plant instrument target function operation interface, a nuclear power plant execution mechanism target function display interface and a nuclear power plant execution mechanism target function operation interface are all arranged on a human-machine interface of a nuclear power plant instrument control system;

wherein:

the nuclear power plant instrument target function display interface comprises instrument data quantity and data type definitions of a nuclear power plant instrument target display function, and the nuclear power plant instrument target function operation interface comprises operation instruction quantity and types of a nuclear power plant instrument target operation function;

the nuclear power plant execution mechanism target function display interface comprises data quantity and data type definitions of a nuclear power plant execution mechanism target display function, and the nuclear power plant execution mechanism target function operation interface comprises instruction quantity and types of a nuclear power plant execution mechanism target operation function;

S2.5, selecting and determining an icon block from a graph template and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation of the control logic layer module and the operation display layer module so as to establish a typical graph paper library of the monitoring function of the nuclear power plant instrument or the nuclear power plant execution mechanism, wherein the graph template is an icon library which is created in advance and used for the monitoring function; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

Specifically, the monitoring function typical drawing library includes a plurality of monitoring function typical drawings, and the process of establishing each monitoring function typical drawing is as shown in fig. 3, where object data (including instrument object data and actuator object data) is defined, then an association relationship between a control logic layer and an operation display layer of a standard object is established, and then a monitoring function typical drawing of an instrument and an actuator is established according to the association relationship. The typical monitoring function drawing is created by selecting an icon block suitable for a standard object from a graphic template, wherein the icon block in the graphic template is a predefined module which encapsulates object data and logic and is used for describing input/output signal interfaces (including definitions of signal quantity, data type, interface port and the like) of the standard object (a meter or a controlled execution mechanism) and a main instrument control system, protection, control and linkage interfaces (including definitions of signal quantity, data type, control hierarchy definition, control instruction priority, control authority switching definition and the like) of the standard object in the main instrument control system, operation and display requirements (the standard object can receive the quantity and type of instructions issued by an operation and display layer and the quantity and type definitions of standard object data which can be uploaded to the operation and display layer).

specifically, according to the equipment type of a certain instrument or an execution mechanism of the nuclear power plant and the requirement of monitoring control display, a monitoring function typical drawing corresponding to the instrument or the execution mechanism is selected from a monitoring function typical drawing library.

S4: and supplementing the specific connection relation of the nuclear power plant instrument or the nuclear power plant execution mechanism in a typical monitoring function drawing to complete the monitoring function design of the nuclear power plant instrument and the nuclear power plant execution mechanism, thereby completing the monitoring design of the instrument control system.

Specifically, in step S4, the specific connection relationship of the nuclear power plant instrument or the nuclear power plant actuator includes:

signals between nuclear power plant instruments and an operation display layer of the nuclear power plant instruments;

nuclear power plant actuator and signal of operation display layer of nuclear power plant actuator

In the specific implementation, the method also comprises a step S5,

and S5, issuing drawings, album files and form files which are designed by the monitoring functions of the instruments and the execution mechanisms.

In order to express the implementation process of the embodiment more clearly, taking a certain type of stack as an example, for an actuator, devices such as motors and valves are taken as main devices, and the interface, operation and display modes of each main device and a main instrument control system are basically the same, except that only protection, control and interlocking conditions and the like acting on the devices are used. Standardized interface modes can be designed for each actuating mechanism, and the standardization of equipment control and monitoring functions and main instrument control system interfaces can be realized by adopting predefined general monitoring requirements and typical control logic layer modules for reserving external signal interfaces such as protection, control and linkage of a main instrument control system. According to the flow chart of the monitoring design method in fig. 1 or fig. 2, the typical actuators of a certain type of nuclear power plant are classified as the following table 1:

table 1: standard actuator type and corresponding typical control logic layer type

Following the above-described process, the typical human interface operation and display classification for a model of nuclear power plant is shown in Table 2 below:

table 2: typical operation display layer types

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The embodiment provides a monitoring design method of an object-oriented nuclear power plant instrument control system, which comprises the following specific implementation processes: when the monitoring function design of the nuclear power plant is carried out after the standard object library is built, the only standard object type corresponding to the motor object, such as type 5, 6, 12 or 13, can be selected according to the equipment type, such as the motor, whether the distribution switch cabinet of the nuclear power plant is provided with a holding loop or not and whether priority control management needs of different safety level instructions exist or not; filling attribute data according to the data attribute requirements of the motor object; according to the process function requirements, determining a typical control logic layer module (namely, a module corresponding to the previously selected type 5, 6, 12 or 13) of a motor object, and according to whether the motor has an operation requirement for switching a manual and automatic control mode, selecting a unique operation type corresponding to the motor object, such as operation type 3 or 4, and a unique display type corresponding to the motor object, such as operation type 3 (according to table 2: the typical operation display layer type, the typical man-machine interface operation and display name of the operation type 3 is a switch/start-stop/on-off command of a single device, the device applicable to the operation type 3 is a device with all switch/start-stop/on-off commands), and the corresponding display type is 13 (according to table 2: the typical operation display layer type, the typical man-machine interface operation and display name of the display type 13 is a display of the motor device, and the device applicable to the display type 13 is an electric device except for an electric valve); the specific implementation process of the monitoring design method of the object-oriented nuclear power plant instrument control system comprises the following steps: according to the device type (such as a motor), table 1 and table 2 (table 1: standard actuator type and corresponding typical control logic layer type; table 2: typical operation display layer type) are looked up, the standard object type, the operation type and the display type corresponding to the device type are found out, namely, a monitoring function typical drawing library is established based on a meter standard object library and an actuator standard object library, then a corresponding monitoring function typical drawing (in the embodiment, a monitoring function typical drawing suitable for a motor object is selected to be inserted) is selected from the monitoring function typical drawing library, the connection relation specific to the meter or the actuator is inserted into the monitoring function typical drawing to complete the monitoring function design of the meter or the actuator, thereby completing the monitoring design of the meter control system, and finally, the drawings, the atlas files and the form files of all the monitoring function design completion of the meter and the actuator are issued.

The monitoring design method for the object-oriented nuclear power plant instrument control system provided by the embodiment can ensure that an instrument control function diagram can accurately and completely reflect the control and man-machine interface requirements of a design object (comprising an instrument and an execution mechanism), and can ensure the standardization and unification of the control function, operation and display function of the instrument and the execution mechanism with the same instrument control requirement on the drawing expression form. According to the monitoring design method of the object-oriented nuclear power plant instrument control system, the monitoring design of the instrument control system is realized through the standard object library, the maintainability, the expandability and the reusability are high, and particularly, when engineering change is met, the cost is easily reduced and the design period is shortened.

Example 2:

the embodiment provides a monitoring design system of an object-oriented nuclear power plant instrument control system, which comprises:

the first library establishing unit is used for establishing an instrument standard object library and an execution mechanism standard object library of the nuclear power plant instrument control system; the system comprises a meter standard object library, an execution mechanism standard object library, a meter standard object database and a control system, wherein the meter standard object library comprises meter standard object attribute data, and the execution mechanism standard object library comprises execution mechanism object attribute data;

the selection unit is connected with the second library building unit and used for selecting a typical monitoring function drawing corresponding to the nuclear power plant instrument from a typical monitoring function drawing library according to the type of the nuclear power plant instrument and the requirement of monitoring control display of the nuclear power plant instrument; or selecting a typical monitoring function drawing corresponding to the nuclear power plant execution mechanism from a typical monitoring function drawing library according to the equipment type of the nuclear power plant execution mechanism and the monitoring control display requirement of the nuclear power plant execution mechanism;

and the design unit is respectively connected with the second library building unit and the selection unit and is used for supplementing the specific connection relation of the nuclear power plant instrument or the nuclear power plant execution mechanism in a typical monitoring function drawing so as to complete the monitoring function design of the nuclear power plant instrument and the nuclear power plant execution mechanism and further complete the monitoring design of the instrument control system.

Specifically, the second library building unit specifically includes:

the system comprises a first determination module, a second determination module and a third determination module, wherein the first determination module is used for determining the nuclear power plant instrument of a typical drawing to be designed and selecting an instrument standard object corresponding to the nuclear power plant instrument to be designed from an instrument standard object library; determining a nuclear power plant execution mechanism needing to design a typical drawing, and selecting an execution mechanism standard object corresponding to the nuclear power plant execution mechanism needing to be designed from an execution mechanism standard object library;

the acquisition module is connected with the first determination selection module and used for acquiring attribute data of the nuclear power plant instrument standard object according to the data attribute requirement of the nuclear power plant instrument standard object and acquiring attribute data of the nuclear power plant execution mechanism standard object according to the data attribute requirement of the nuclear power plant execution mechanism standard object;

the second determining module is connected with the obtaining module and is used for determining a control logic layer module corresponding to the nuclear power plant instrument according to the type of the standard nuclear power plant instrument object, or determining a control logic layer module corresponding to the nuclear power plant execution mechanism according to the type of the nuclear power plant execution mechanism object;

the third determining module is connected with the establishing module and used for selecting and determining icon blocks from the graph templates and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation between the control logic layer module and the operation display layer module so as to establish a typical graph paper library of the monitoring function of the nuclear power plant instrument or the nuclear power plant executing mechanism, wherein the graph templates are the icon libraries which are created in advance and used for the monitoring function; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

Specifically, the system further comprises a monitoring function typical drawing library unit, wherein the monitoring function typical drawing library unit is connected with the monitoring function design unit and used for the monitoring function design unit to select the monitoring function typical drawing. The typical diagram paper library of the monitoring function comprises a plurality of typical diagrams of the monitoring function, the establishment process of each typical diagram of the monitoring function is as shown in fig. 3, object data (including object data of an instrument and object data of an execution mechanism) is defined, then the incidence relation between a control logic layer and an operation display layer of a standard object is established, and then the typical diagrams of the monitoring function of the instrument and the execution mechanism are established according to the incidence relation. The typical monitoring function drawing is created by selecting an icon block suitable for a standard object from a graphic template, wherein the icon block in the graphic template is a predefined module which encapsulates object data and logic and is used for describing an input/output signal interface (including definitions of signal quantity, data type, interface port and the like) of the object (an instrument or a controlled execution mechanism) and a main instrument control system, a protection, control and linkage interface (including definitions of signal quantity, data type, control hierarchy definition, control instruction priority, control authority switching definition and the like) of the standard object in the main instrument control system, operation and display requirements (the standard object can receive the quantity and type of instructions issued by an operation and display layer and the quantity and type definitions of standard object data which can be uploaded to the operation and display layer).

In particular, the system also comprises a human-computer interface unit,

the human-machine interface unit is connected with the design unit and used for arranging a target function display interface and a target function operation interface on a human-machine interface of the nuclear power plant instrument control system;

wherein:

for a nuclear power plant instrument, a target function display interface comprises instrument data quantity and data type definitions of a nuclear power plant instrument target display function, and a target function operation interface comprises operation instruction quantity and operation instruction types of a nuclear power plant instrument target operation function;

for the nuclear power plant executing mechanism, a target function display interface comprises data quantity and data type definitions of target display functions of the nuclear power plant executing mechanism, and a target function operation interface comprises instruction quantity and types of target operation functions of the nuclear power plant executing mechanism;

Specifically, a display for displaying or operating a meter target function and an actuator target function is displayed by the operation display layer.

Wherein: for the man-machine interface in the computer man-machine interface, the standard block library of the operation command and the standard block library of the dynamic and static information display are respectively defined and packaged according to the difference of the up-flow direction and the down-flow direction of the signals between the operation display layer and the control logic layer. The method comprises the following steps of computerized operation and display icon definition (including icon appearance size, origin point, combined element and the like definition), operation and display signal interface definition (signal quantity, data type, interface port and the like definition), and for a dynamic information display block, the change relation of the numerical values and states of a monitored object and a controlled object along with the instructions of a nuclear power field operation and control system is further defined.

For the man-machine interface in the non-computerized man-machine interface, the non-computerized man-machine interface can also be called as a conventional equipment man-machine interface, the non-computerized man-machine interface is used as a supplement of the diversity of the computerized man-machine interface, and the standard block library is established, besides the operation and display functions of the computerized man-machine interface on the monitoring equipment object, the standard block library also embodies the data information of equipment selection, installation on a disk surface, hardware interface and the like of the conventional man-machine interface equipment.

In order to more clearly express the implementation process of this embodiment, taking a certain model of nuclear power plant as an example, a typical control logic layer and a typical operation display layer of a standard object type of the certain model of nuclear power plant are first established according to the method in embodiment 1, where the typical control logic layer is as in table 1 (standard actuator type and corresponding typical control logic layer type) in embodiment 1, and the typical operation display layer is as in table 2 (typical operation display layer type) in embodiment, after the table is established, when the nuclear power plant monitoring function is designed after the standard object library is completed, a unique standard object type corresponding to a motor object, such as type 5, 6, 12 or 13, may be selected according to the type of the actuator (also referred to as device type), such as a motor, according to whether a distribution switch cabinet thereof has a holding loop, and whether there is a need for priority control management of different safety level instructions; filling attribute data according to the data attribute requirements of the motor object; determining a typical control logic layer module (namely a module corresponding to the previously selected type 5, 6, 12 or 13) of the motor object according to the process function requirement, and selecting a unique operation type corresponding to the motor object, such as the operation type 3 or 4, and a unique display type, such as the display type 13, according to whether the motor has an operation requirement for switching the manual and automatic control modes; for example, the display type corresponding to operation type 3 (according to table 2: typical operation display layer type, typical human-machine interface operation and display name of operation type 3: on-off/on-off command of single equipment, and applicable equipment of operation type 3: all equipment with on-off/on-off command) is 13 (according to table 2: typical operation display layer type, typical human-machine interface operation and display name of display type 13: display of motor equipment, and applicable equipment of display type 13: electric equipment except electric valves); the specific implementation process of the monitoring design method of the object-oriented nuclear power plant instrument control system comprises the following steps: according to the device type (such as a motor), table 1 and table 2 (table 1: standard actuator type and corresponding typical control logic layer type; table 2: typical operation display layer type) are looked up, the standard object type, the operation type and the display type corresponding to the device type are found out, namely, a monitoring function typical drawing library is established based on the instrument standard object library and the actuator standard object library, then a corresponding monitoring function typical drawing (suitable for the insertion of the monitoring function typical drawing of the motor object) is selected from the monitoring function typical drawing library, the connection relation specific to the instrument or the actuator is inserted into the monitoring function typical drawing to complete the monitoring function design of the instrument or the actuator, thereby completing the monitoring design of an instrument control system, and finally, the drawing file and the form file which are completed by the monitoring function design of all instruments and actuators are released.

In addition, the system in the embodiment includes a monitoring function design of the instrument and the execution mechanism, and the monitoring system is designed according to the monitoring design method of the object-oriented nuclear power plant instrument control system.

The monitoring design system of the object-oriented nuclear power plant instrument control system provided by the embodiment can ensure that an instrument control function diagram can accurately and completely reflect the control and man-machine interface requirements of a design object (comprising an instrument and an actuating mechanism), and can ensure the standardization and unification of the control function, operation and display function of the instrument and the actuating mechanism with the same instrument control requirement on the drawing expression form. The monitoring design system of the object-oriented nuclear power plant instrument control system provided by the embodiment realizes the monitoring design of the instrument control system through the standard object library, has stronger maintainability, expandability and reusability, and is easy to reduce the cost and shorten the design period particularly when engineering change is encountered.

It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A monitoring design method of an object-oriented nuclear power plant instrument control system is characterized by comprising the following steps:

s2: establishing a typical graph paper library with a monitoring function based on the standard object library of the instrument and the standard object library of the actuating mechanism; the monitoring function typical graph paper library comprises a meter monitoring function typical graph paper library and an executing mechanism monitoring function typical graph paper library;

2. The method for design and monitoring of an object-oriented nuclear power plant instrumentation and control system according to claim 1, wherein in step S4, the specific connection relationship between the nuclear power plant instrumentation and the nuclear power plant actuators comprises:

3. The method for design and monitoring of an object-oriented nuclear power plant instrumentation and control system according to claim 1,

in the step S1:

4. The method for supervisory design of an object-oriented nuclear power plant instrumentation and control system according to claim 1, wherein said step S2 comprises the specific steps of:

s2.5, selecting and determining an icon block from a graph template and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation between the control logic layer module and the operation display layer module so as to establish a monitoring function typical graph paper library of a nuclear power plant instrument or a nuclear power plant execution mechanism, wherein the graph template is an icon library which is created in advance and used for monitoring functions; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

5. The method for design and monitoring of an object-oriented nuclear power plant instrumentation and control system according to claim 4,

the determination process of the control logic module in step S2.3 is:

the control logic layer module library is provided with selectable control logic layer modules which encapsulate nuclear power plant instrument data and/or nuclear power plant actuating mechanism data and/or protection, control and linkage logic of a nuclear power plant actuating mechanism and/or control instruction priority and control authority switching.

6. The method for design and monitoring of an object-oriented nuclear power plant instrumentation and control system according to claim 4,

in step S2.4, the association relationship between the control logic layer of the nuclear power plant instrument and the operation display layer of the nuclear power plant instrument is established according to the control logic layer module, which specifically includes:

the display signal of the target function display interface of the nuclear power plant execution mechanism comes from a control logic layer module of the nuclear power plant execution mechanism, and the operation instruction of the target function operation interface of the nuclear power plant execution mechanism is issued to the control logic layer module of the nuclear power plant execution mechanism so as to establish the incidence relation between the operation display layer module and the control logic layer module of the nuclear power plant execution mechanism.

7. The method for design and monitoring of an object-oriented nuclear power plant instrumentation and control system according to claim 6,

in step S2.4, the operation display layer module corresponding to the nuclear power plant execution mechanism and the association relationship between the operation display layer module and the control logic module are established according to the control logic layer module, and the method further includes the steps of:

the nuclear power plant instrument target function display interface, the nuclear power plant instrument target function operation interface, the nuclear power plant execution mechanism target function display interface and the nuclear power plant execution mechanism target function operation interface are all arranged on a human-computer interface of a nuclear power plant instrument control system;

wherein:

8. An object-oriented nuclear power plant instrumentation control system supervisory design system, comprising:

the first library establishing unit is used for establishing an instrument standard object library and an execution mechanism standard object library of the nuclear power plant instrument control system; the instrument standard object library comprises instrument standard object attribute data, and the execution mechanism standard object library comprises execution mechanism object attribute data;

the second library building unit is connected with the first library building unit and used for building a typical graph paper library of a monitoring function based on the standard object library of the instrument and the standard object library of the actuating mechanism; the monitoring function typical diagram paper library comprises an instrument monitoring function typical diagram paper library and an execution mechanism monitoring function typical diagram paper library;

the design unit, respectively with the second build the storehouse unit with the selection unit is connected, is used for supplement in the typical drawing of monitoring function nuclear power plant instrument or the specific connection relation of nuclear power plant actuating mechanism to accomplish nuclear power plant instrument and nuclear power plant actuating mechanism's monitoring function design, thereby accomplish the monitoring design of instrument control system.

9. The system for supervisory design of an object-oriented nuclear power plant instrumentation and control system according to claim 8, wherein said second library building unit comprises in particular:

the establishing module is connected with the determining module and is used for establishing an operation display layer module corresponding to a nuclear power plant instrument and an association relationship with the control logic layer module according to the nuclear power plant instrument control logic layer module, or establishing an operation display layer module corresponding to a nuclear power plant executing mechanism and an association relationship with the control logic layer module according to the nuclear power plant executing mechanism control logic layer module;

the third determining module is connected with the establishing module and used for selecting and determining icon blocks from the graph template and drawing a logic block diagram according to the control logic layer module, the operation display layer module and the incidence relation between the control logic layer module and the operation display layer module so as to establish a typical graph paper library of the monitoring function of the nuclear power plant instrument or the nuclear power plant executing mechanism, wherein the graph template is an icon library which is created in advance and used for the monitoring function; the control logic layer module comprises a control logic layer module of a nuclear power plant instrument and a control logic layer module of a nuclear power plant execution mechanism, and the operation display layer module comprises an operation display layer module of the nuclear power plant instrument and an operation display layer module of the nuclear power plant execution mechanism.

10. The system for supervisory design of an object-oriented nuclear power plant instrumentation and control system according to claim 8 or 9, further comprising:

wherein: