CN107024919B - A method of realizing nuclear leve digitlization I&C system in-service monitoring diagnosis - Google Patents
A method of realizing nuclear leve digitlization I&C system in-service monitoring diagnosis Download PDFInfo
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- CN107024919B CN107024919B CN201710131063.4A CN201710131063A CN107024919B CN 107024919 B CN107024919 B CN 107024919B CN 201710131063 A CN201710131063 A CN 201710131063A CN 107024919 B CN107024919 B CN 107024919B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear process control system fault detection and diagnosis technical fields, more particularly to a kind of method for realizing the digitlization I&C system in-service monitoring diagnosis of PWR nuclear power plant nuclear leve, built in diagnostics information by nuclear leve digitlization I&C system setting and gateway and open communications protocol between the digitalized I&C system of non-core, pass through secondary development configuration software configuration and picture configuration, the diagnostic message of nuclear leve digitlization instrument control internal system is obtained from gateway, realize real-time online monitoring of the running state information of reactor protection system in the digitalized I&C system platform of non-core, support the Daily Round Check of nuclear leve digitlization I&C system, preventative maintenance, the diagnostic analysis of operation troubles；This method technical solution specifically includes diagnostic message setting and communications protocol supports two elements.The monitoring diagnostic function for the KCS system that technical solution of the present invention is realized can be applied well in the Daily Round Check of system and onsite troubleshooting work.
Description
Technical field
The invention belongs to nuclear process control system fault detection and diagnosis technical fields, and in particular to a kind of realization presurized water reactor
The method that nuclear power plant's nuclear leve digitizes the diagnosis of I&C system in-service monitoring.
Background technique
Nuclear leve digitlization I&C system (hereinafter referred to as KCS system) is safety system important in digital instrument control system of nuclear power plant
System, major function be under unusual service condition or accident conditions, by shutdown and (or) starting engineered safeguards features, to prevent or
Mitigate the damage of reactor core and coolant system component, protects the integrality of three big nuclear safety barriers, avoid causing radioactive substance
A large amount of evolutions, protect nuclear power plant's ambient enviroment not contaminated and personnel safety.
The considerations of for safety and independence, KCS system does not configure engineer station.During unit regulation, people is debugged
Member has built interim engineer station, and is mounted with the application software for monitoring diagnosis, and after accessing KCS grid, it is removed
Can intuitively check the operating status of control processor, IO and telecommunications modules, can also in control processor clock,
The running state informations such as program scanning time carry out monitoring diagnosis.But after set grid-connection quotient fortune, temporary project teacher stands not
Be allowed to access KCS grid, maintenance personnel can not by the operating status of engineer station's central monitoring system and inquiry, examine
Fault message in terms of disconnected software and hardware.
Under normal circumstances, the process control cabinet quantity of KCS system is various, and the multiple instrument controls for being distributed in different floors are set
Between standby.Maintenance personnel needs to open cabinet door one by one in Daily Round Check and the maintenance work for carrying out cabinet, visually inspects rack
Indicator light on upper each module panel, expends a large amount of manpowers and inefficiency.Meanwhile continually open and close cabinet door returns system
The operation of equipment brings potential adverse effect.In addition, the states such as the clock of control processor, sweep time, program operation are
No exception can not be found in inspection by visual observation.
Currently, the reactor protection system of state's core voltage water-water reactor unit, used nuclear leve digitizes I&C system
There are following shortcomings in the monitoring and fault diagnosis mode of system running state for product:
(1) to ensure reactor protection system being perfectly safe during unit operation, fixed 1E is not configured in KCS system
(referring to protected level) engineer station.The temporary project teacher station build during unit regulation, used is not permitted during unit operation
Perhaps the network of KCS system is accessed, maintenance personnel can not operation by the fixation or interim engineer station of KCS system to system
State carries out in-service monitoring diagnosis.
(2) can not directly, quickly locate the hardware fault of KCS system appearance, maintenance personnel needs to first pass through cabinet report
There is the cabinet alarmed in alert indicator light positioning, then check the LED status in rack on each module panel search one by one,
Positioning failure generating source, it is the process inefficient of entire locating alarming, cumbersome.
(3) key messages such as the clock of the control processor of KCS system, sweep time, running state of programs can not pass through
Indicator light in rack on each module panel obtains, and maintenance personnel can not have found the software faults such as sweep time spilling in time.
Therefore, it researches and develops, design a kind of function of realizing nuclear leve digitlization I&C system in-service monitoring diagnosis, be that have very much must
It wants, it can effectively make up the inadequate natural endowment of KCS system, mention for the centralized watch and fault diagnosis of KCS system running state
For safely, conveniently, efficient approach.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of in-service monitorings specifically for nuclear leve digitlization I&C system
Diagnostic function realizes the real-time of the operating status on the digitalized I&C system platform of non-core to nuclear leve digitlization I&C system
In-service monitoring, to ensure the reliability service of KCS system and the quick response of fault diagnosis, while the realization of the monitoring diagnostic function
Method does not influence the original safety of KCS system and independence.
In order to realize the purpose, the technical solution adopted by the present invention is that:
A method of it realizing nuclear leve digitlization I&C system in-service monitoring diagnosis, is set by nuclear leve digitlization I&C system
The built in diagnostics information set and gateway and open communications protocol between the digitalized I&C system of non-core, pass through two
Secondary exploitation configuration software configuration and picture configuration obtain the diagnostic message of nuclear leve digitlization instrument control internal system from gateway, realize
Real-time online monitoring of the running state information of reactor protection system in the digitalized I&C system platform of non-core, supports core
The Daily Round Check of digitalized I&C system, preventative maintenance, operation troubles diagnostic analysis；
This method technical solution specifically includes diagnostic message setting and communications protocol supports two elements；
(1) diagnostic message is arranged
When nuclear leve digitizes the logical design of instrument control system hardware, built in diagnostics information is preset, and be stored in system
Internal memory space；Signal source of the built in diagnostics information as the monitoring diagnostic function of nuclear leve digitlization I&C system；
Nuclear leve digitizes I&C system according to rack, the composition of module in nuclear leve digitlization I&C system, gives by rule
Each single item diagnostic message distributes a particular value, is used to definition signal address, signal type and data format；
(2) communications protocol is supported
Nuclear leve digitlization I&C system has open data access application protocol, and nuclear leve digitizes instrument control exterior
Network host data are swapped by the network that open network communication protocol and nuclear leve digitize I&C system, realize
Nuclear leve digitizes the built in diagnostics information of I&C system to the one-way transmission of the digitalized I&C system of non-core, to realize non-
Nuclear leve digitizes the on-line monitoring and diagnostic system in instrument control system platform；
Nuclear leve digitizes the built in diagnostics information of I&C system setting by open data access application protocol, passes through
Gateway between nuclear leve and the digitalized I&C system of non-core is by the digitalized I&C system of built in diagnostics direct information non-core；
(3) function is realized
Realizing the function mainly has two processes of software configuration and picture configuration；
Firstly, the built in diagnostics information sifting of nuclear leve digitlization I&C system is come out, instrument control system is digitized according to nuclear leve
The particular value for the built in diagnostics information pre-set of uniting, carries out batch configuration simultaneously on the digitalized I&C system platform of non-core
Under be filled in corresponding control processor；
Secondly, the picture configuration Software on Drawing nuclear leve using the digitalized I&C system platform of non-core digitizes I&C system
The picture of subsystems, has configured the configuration link of each diagnostic message on picture, and leading between rack picture is arranged
Boat switching；The good picture file of configuration is copied to the specified file at the digitalized I&C system platform engineering teacher station of non-core
In；
Finally, configuring corresponding monitoring screen and operating rights under different permission environment according to the demand of system administration
Limit；Maintenance personnel enters the digitalized I&C system platform of non-core to nuclear leve digitlization I&C system by switching permission environment
Operating status carries out in-service monitoring.
Further, a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as described above, it is internal
Diagnostic message is the built in diagnostics information of critical component in nuclear leve digitlization I&C system.
Further, a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as described above, it is internal
Diagnostic message includes the built in diagnostics letter of control processor, input and output module, telecommunications modules in nuclear leve digitlization I&C system
Breath.
Further, a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as described above, it is internal
When diagnostic message includes current date, time, operational mode, setting and the actual scanning period of control processor, scanning residue
Between, timeout mode shows.
Further, a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as described above, nuclear leve
The digitlization I&C system built in diagnostics information that specifically needs to be arranged, according to the products characteristics of used system platform, in conjunction with
Depending on the demand of user itself.
The beneficial effect of technical solution of the present invention is:
(1) daily use
The monitoring diagnostic function for the KCS system that technical solution of the present invention is realized can be applied well to patrol in the daily of system
In inspection and onsite troubleshooting work.Compared with conventional cabinet routine inspection mode, the information that monitoring diagnosis picture provides is more straight
It sees, is abundant, a lot of manpower and time are liberated in the available great raising of the efficiency of Daily Round Check and fault diagnosis.
(2) advanced application
KCS system itself does not have the function of perfect historical trend record, and the time for positioning system failure to occur is non-
It is often difficult, also, monitored for prolonged periods of time can not be accomplished for some diagnostic messages for needing to pay close attention to for a long time, it is difficult under valuator device performance
The gradual problem such as drop, aging.The monitoring diagnostic function for the KCS system that the present invention realizes, it is digitalized with non-core by nuclear leve
The diagnostic message that gateway between I&C system obtains, the history of energy more convenient ground configuration to the digitalized I&C system of non-core
In the data collection station of data station or Test Data Acquisition System, macrocyclic dynamic surveillance is realized.
The monitoring diagnostic function of KCS system inherently realizes in the digitalized I&C system of non-core to KCS system
The global of built in diagnostics information is obtained and is shown.Data one-way transmission, reading based on open communications protocol, ensure that KCS
The safety and independence of system.Also, under normal circumstances, the digitalized I&C system of non-core has more relative to KCS system
The software application function of horn of plenty, the protection systems diagnostic information of acquisition is able to achieve portable access, achieves, analyzes and show, is
The demands such as more higher leveled fault diagnosis, equipment performance evaluation, fault statistics provide condition.
To sum up, while KCS system in-service monitoring diagnostic function of the present invention is realized, it ensure that the original safety of KCS system
Property and independence, so that the Daily Round Check of KCS system cabinet and the efficiency of fault diagnosis greatly improve, and can be easily right
Some information for needing to pay close attention to for a long time carry out historical trend inquiry and monitoring.
Detailed description of the invention
Fig. 1 is KCS open system formula communications protocol schematic diagram proposed by the present invention；
Fig. 2 is the combination flow process figure of KCS system monitoring diagnostic function proposed by the present invention.
In figure: the digitalized I&C system of 1 non-core, 2 nuclear leves digitlization I&C system, 3 communications protocol, 4 mainframes, 5 are expanded
Open up rack, 6 long-range racks.
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
A kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis of the present invention, digitizes instrument control by nuclear leve
The built in diagnostics information of system setting and gateway and open communications protocol between the digitalized I&C system of non-core,
By secondary development configuration software configuration and picture configuration, the diagnosis letter of nuclear leve digitlization instrument control internal system is obtained from gateway
Breath realizes real-time online prison of the running state information of reactor protection system in the digitalized I&C system platform of non-core
Depending on, the support nuclear leve digitlization Daily Round Check of I&C system, preventative maintenance, operation troubles diagnostic analysis；
This method technical solution specifically includes diagnostic message setting and communications protocol supports two elements；
(1) diagnostic message is arranged
When nuclear leve digitizes the logical design of instrument control system hardware, built in diagnostics information is preset, and be stored in system
Internal memory space；Signal source of the built in diagnostics information as the monitoring diagnostic function of nuclear leve digitlization I&C system；
Nuclear leve digitizes I&C system according to rack, the composition of module in nuclear leve digitlization I&C system, gives by rule
Each single item diagnostic message distributes a particular value, is used to definition signal address, signal type and data format；
Built in diagnostics information is the built in diagnostics information of critical component in nuclear leve digitlization I&C system, including nuclear leve number
Change the built in diagnostics information of control processor, input and output module, telecommunications modules in I&C system；Built in diagnostics information includes control
Current date, time, operational mode, setting and the actual scanning period of processor processed, scanning remaining time, timeout mode are aobvious
Show；The built in diagnostics information that nuclear leve digitlization I&C system specifically needs to be arranged, it is special according to the product of used system platform
Point, depending on the demand in conjunction with user itself.
(2) communications protocol is supported
Nuclear leve digitlization I&C system has open data access application protocol, and nuclear leve digitizes instrument control exterior
Network host data are swapped by the network that open network communication protocol and nuclear leve digitize I&C system, realize
Nuclear leve digitizes the built in diagnostics information of I&C system to the one-way transmission of the digitalized I&C system of non-core, to realize non-
Nuclear leve digitizes the on-line monitoring and diagnostic system in instrument control system platform；
Nuclear leve digitizes the built in diagnostics information of I&C system setting by open data access application protocol, passes through
Gateway between nuclear leve and the digitalized I&C system of non-core is by the digitalized I&C system of built in diagnostics direct information non-core；
(3) function is realized
Realizing the function mainly has two processes of software configuration and picture configuration；
Firstly, the built in diagnostics information sifting of nuclear leve digitlization I&C system is come out, instrument control system is digitized according to nuclear leve
The particular value for the built in diagnostics information pre-set of uniting, carries out batch configuration simultaneously on the digitalized I&C system platform of non-core
Under be filled in corresponding control processor；
Secondly, the picture configuration Software on Drawing nuclear leve using the digitalized I&C system platform of non-core digitizes I&C system
The picture of subsystems, has configured the configuration link of each diagnostic message on picture, and leading between rack picture is arranged
Boat switching；The good picture file of configuration is copied to the specified file at the digitalized I&C system platform engineering teacher station of non-core
In；
Finally, configuring corresponding monitoring screen and operating rights under different permission environment according to the demand of system administration
Limit；Maintenance personnel enters the digitalized I&C system platform of non-core to nuclear leve digitlization I&C system by switching permission environment
Operating status carries out in-service monitoring.
Below using the monitoring diagnostic function transformation of the reactor protection system of certain domestic nuclear power plant's presurized water reactor unit as showing
Example, to illustrate the specific implementation process of the art of this patent scheme.
1, equipment tool
Equipment, the work mainly used include software configuration special purpose computer, picture configuration special purpose computer and dedicated shifting
Dynamic medium (CD or USB flash disk) etc..The configuration of software and picture configuration special purpose computer and the work of the digitalized I&C system of non-core
The station Cheng Shi is identical.
2, software program Configuration Design
The diagnostic message of KCS system is stored in the form of 16 single byte of data etc., and is arranged in the design of KCS system logic
Particular value for previously arranged signal address: the address ALIAS, it can according to actual use demand in the digitalized instrument control of non-core
System is taken.According to the allocation rule of the address ALIAS, with first subgroup (Channel1Sub1) of KCS system first passage
Diagnostic message for, by configuring the module of the types such as following IIN, BIN, PAKIN in the digitalized I&C system of non-core,
And corresponding parameter is set in model block configuration to match the address ALIAS, corresponding data are obtained from KCS system.Wherein: IIN
For integer input variable module, BIN is Boolean type input variable module, and PAKIN is to be packaged input variable module.
The configurations of 1 KCS internal system diagnostic message of table
After the software configuration for having configured diagnostic message, according to the 14 of KCS system sub- system host framves and non-core grade number
The relationship for changing the control processor of I&C system, finds corresponding configuration management engineer station, software configuration file is copied respectively
Shellfish executes the lower dress operation of configuration into the specified folder of engineer station.3, monitoring screen Configuration Design
KCS system is by 40 cabinets, and totally 14 control systems form.Firstly, using the digitalized I&C system of non-core
Picture configuration software draws the monitoring diagnosis picture of the dozens of rack of 14 subsystems.Each picture major embodiment three is big
Partial information: the upper section of picture shows the basic operating statuses such as the clock of corresponding KCS system, scanning setting period
Information.The middle section of picture shows the online simulation schematic diagram of KCS rack, according to the number of the fastener of rack actual installation and
Type is arranged, and provides mainframe (Main Chassis) or extension rack (Expansion in the leftmost side
Chassis overall status) is shown, for embodying the warning message of power module and each module in rack.Under picture
Side partially shows the switching column in single channel KCS control system between each rack.
By taking the first of KCS system first passage the son column (Channel1Sub1) as an example, 1 mainframe of CH11 system configuration
4 extension racks.Firstly, carrying out picture configuration to 5 racks respectively, then, configured on the monitoring diagnosis picture of mainframe
The configuration link of the monitoring diagnosis picture of other 4 extensions rack, so that being realized and other several racks on mainframe picture
The switching of picture.
The present invention is by secondary development configuration software configuration and picture configuration in the digitalized I&C system of non-core, from core
Gateway between grade and the digitalized I&C system of non-core obtains KCS internal system diagnostic message, realizes the operation shape of KCS system
Real-time online monitoring of the state in the digitalized I&C system of non-core, can make the DCS maintenance personnel of nuclear power plant from cumbersome inefficient
Daily Round Check and fault diagnosis work in free, greatly reduce nuclear power plant human cost output, reduce nuclear power plant
A possibility that equipment of reactor protection system finds or diagnoses not in time not in time because of failure.Nuclear leve digitizes I&C system
Successful Practice of the monitoring diagnostic function on nuclear power unit, be Daily Round Check, the preventative maintenance, operation troubles of KCS system
Diagnostic analysis provides a great convenience.
Claims (4)
1. a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis, it is characterised in that:
By the built in diagnostics information of nuclear leve digitlization I&C system setting and between the digitalized I&C system of non-core
Gateway and open communications protocol obtain nuclear leve number from gateway by secondary development configuration software configuration and picture configuration
Change the diagnostic message inside I&C system, realizes the running state information of reactor protection system in the digitalized instrument control system of non-core
The real-time online monitoring united in platform, the support nuclear leve digitlization Daily Round Check of I&C system, preventative maintenance, operation troubles
Diagnostic analysis；
This method technical solution specifically includes diagnostic message setting and communications protocol supports two elements；
(1) diagnostic message is arranged
When nuclear leve digitizes the logical design of instrument control system hardware, built in diagnostics information is preset, and be stored in internal system
Memory space；Signal source of the built in diagnostics information as the monitoring diagnostic function of nuclear leve digitlization I&C system；
Nuclear leve digitizes I&C system according to rack, the composition of module in nuclear leve digitlization I&C system, by rule to each
Item diagnostic message distributes a particular value, is used to definition signal address, signal type and data format；
(2) communications protocol is supported
Nuclear leve digitlization I&C system has open data access application protocol, and nuclear leve digitizes the net of instrument control exterior
Network host swaps data by the network that open network communication protocol and nuclear leve digitize I&C system, realizes nuclear leve
The built in diagnostics information of I&C system is digitized to the one-way transmission of the digitalized I&C system of non-core, to realize in non-nuclear leve
Digitize the on-line monitoring and diagnostic system in instrument control system platform；
Nuclear leve digitizes the built in diagnostics information of I&C system setting by open data access application protocol, passes through nuclear leve
Gateway between the digitalized I&C system of non-core is by the digitalized I&C system of built in diagnostics direct information non-core；
(3) function is realized
Realizing the function mainly has two processes of software configuration and picture configuration；
Firstly, the built in diagnostics information sifting of nuclear leve digitlization I&C system is come out, it is pre- to digitize I&C system according to nuclear leve
The particular value of the built in diagnostics information first set carries out batch configuration and lower dress on the digitalized I&C system platform of non-core
To in corresponding control processor；
Secondly, the picture configuration Software on Drawing nuclear leve digitlization I&C system using the digitalized I&C system platform of non-core is each
The picture of subsystem has configured the configuration link of each diagnostic message on picture, and the navigation being arranged between rack picture is cut
It changes；In the specified file that the good picture file of configuration is copied to the digitalized I&C system platform engineering teacher station of non-core；
Finally, configuring corresponding monitoring screen and operating right under different permission environment according to the demand of system administration；Dimension
Shield personnel enter the operation that the digitalized I&C system platform of non-core digitizes I&C system to nuclear leve by switching permission environment
State carries out in-service monitoring.
2. a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as described in claim 1, feature exist
In: built in diagnostics information is the built in diagnostics information of critical component in nuclear leve digitlization I&C system.
3. a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as claimed in claim 2, feature exist
In: built in diagnostics information includes the inside of control processor, input and output module, telecommunications modules in nuclear leve digitlization I&C system
Diagnostic message.
4. a kind of method for realizing nuclear leve digitlization I&C system in-service monitoring diagnosis as claimed in claim 3, feature exist
In: built in diagnostics information includes current date, time, operational mode, setting and the actual scanning period of control processor, scanning
Remaining time, timeout mode are shown.
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| CN109270920B (en) * | 2018-09-25 | 2021-01-05 | 北京广利核系统工程有限公司 | Self-diagnosis capability evaluation method and device for non-safety instrument control equipment of nuclear power station |
| CN113778308B (en) * | 2020-06-09 | 2024-09-06 | 岭东核电有限公司 | Nuclear power data processing system and processing method thereof |
| CN116880398B (en) * | 2023-07-25 | 2024-10-25 | 北京嘉联优控科技有限公司 | Fault analysis method and system of instrument control equipment, electronic equipment and storage medium |
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