CN112086214A - Nuclear power station key equipment remote state monitoring and intelligent diagnosis platform - Google Patents
Nuclear power station key equipment remote state monitoring and intelligent diagnosis platform Download PDFInfo
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Abstract
The invention discloses a remote state monitoring and intelligent diagnosis platform for key equipment of a nuclear power station, which comprises a reactor key equipment state data collection system, a reactor key equipment intelligent diagnosis system and a cloud data management center, wherein the reactor key equipment state data collection system is connected with the cloud data management center through the Internet; the reactor key equipment state data collecting system acquires data collected in the reactor key equipment state monitoring system in real time and stores the data into the cloud end data management center; the cloud data management center stores and manages original data, process data, analysis and diagnosis result data of the nuclear power station key equipment; the intelligent diagnosis system for the reactor key equipment acquires the acquired data from the cloud data management center to analyze and diagnose the key equipment. The invention realizes the real-time data acquisition, collection, transmission, online monitoring and fault diagnosis of the key equipment of the nuclear power station.
Description
Technical Field
The invention relates to the technical field of nuclear power station fault monitoring and diagnosis, in particular to a remote state monitoring and intelligent diagnosis platform for nuclear power station key equipment.
Background
In foreign countries, nuclear power plant fault diagnosis technology, remote network fault diagnosis platform and fault diagnosis expert system based on state prediction and fault analysis are receiving great attention. Foreign developed countries, such as france, germany, usa and japan, are equipped with special fault monitoring and diagnosis laboratories or research institutes, which are engaged in the work of nuclear power plant fault monitoring and diagnosis technology research, fault monitoring (or detection equipment) research and development, field data collection, field technical service, field fault diagnosis or remote diagnosis, etc. In order to timely, quickly and economically track the operation condition of the nuclear power plant, many companies and scientific research institutions of the nuclear power plant equipment fault analysis and diagnosis technology research and development are carried out in the nuclear power plant development country, such as French EDF, American West House, Russian ASE and the like. France EDF establishes a state-based nuclear power operation and maintenance remote system in the last 90 th century, mainly uses vibration monitoring data, uses loose piece monitoring and diagnosis as an initial point, and completely completes system real-time installation and modification before 2016, so that equipment fault diagnosis technical support and service are developed for nuclear power units governed by the EDF for a long time, a huge fault diagnosis support system is established, a huge database system is established by collecting operation data and fault data of each nuclear power station for a long time, standardized remote fault analysis and diagnosis technical service is provided for the nuclear power stations, operation and maintenance suggestions are provided for customers, and maintenance programs are provided for faults of heavy equipment. In the area of critical plant prediction in nuclear power plants, the united states initially conducted related research, establishing software tools for full-scale prediction and health management (FW-PHM), including online advanced identification mode, automatic diagnostics, and Remaining Useful Life (RUL) algorithms. In 2013, the software tool performs pilot test on several nuclear power stations, and proves that the software tool can shorten the time for diagnosing problems.
Based on the characteristics of domestic nuclear power development in China, a state monitoring system is configured for key equipment of a domestic nuclear power station, particularly a nuclear power station, such as a reactor primary circuit loose part monitoring system, an in-reactor component vibration monitoring system and a nuclear power station main pump state monitoring system, and the systems only give out threshold value alarm. On the other hand, the state data characteristics and the like monitored by the system also need to be analyzed for correct judgment and fault diagnosis, the technical difficulty is high, the specialization is strong, and once the diagnosis and analysis are failed, the loss caused by the failure is huge, including the decision of shutdown maintenance (for example, if a non-loose piece alarm is misdiagnosed as a loose piece event, the power plant needs shutdown maintenance, a large amount of expenditure is also consumed by mistake, and great loss is caused).
Therefore, accurate and timely diagnosis of the nuclear power station key equipment is key, and is a necessary guarantee for ensuring the safe operation of the nuclear power station, and the current domestic nuclear power station fault monitoring and diagnosis system is not accurate and timely enough; moreover, the number of experts in fault diagnosis and analysis of nuclear power plant key equipment is far from meeting the rapid increase of the number of nuclear power operating units in China, and the operation and maintenance technology of the nuclear power plant key equipment has great contradiction with the development speed of nuclear power.
Disclosure of Invention
The invention aims to solve the technical problems that the current domestic nuclear power station fault monitoring and diagnosing system cannot monitor and diagnose remotely, the monitoring and diagnosing are not accurate and timely enough, the number of experts in fault diagnosis and analysis of nuclear power station key equipment is far from meeting the rapid increase of the number of operating units of the nuclear power station in China, and the operation and maintenance technology of the nuclear power station key equipment has great contradiction with the nuclear power development speed. The invention aims to provide a nuclear power station key equipment remote state monitoring and intelligent diagnosis platform, which is based on the internet, big data and cloud computing, realizes the on-line monitoring of the operation state of the nuclear power station key equipment, realizes the real-time transmission, management and disaster recovery of the key equipment state data and the operation data, supports the intelligent fault diagnosis and operation and maintenance strategies of the key equipment, ensures the 'remoteness', 'intelligentization' and 'synergy' of the state on-line monitoring and the fault diagnosis of the nuclear power station key equipment, ensures the safe, reliable and economic operation of the nuclear power station, and improves the operation and maintenance level of the nuclear power station key equipment in China.
The invention is realized by the following technical scheme:
a nuclear power station key equipment remote state monitoring and intelligent diagnosis platform comprises a reactor key equipment state data collection system, a reactor key equipment intelligent diagnosis system and a cloud data management center, wherein the reactor key equipment state data collection system is connected with the cloud data management center through the Internet, and the cloud data management center is connected with the reactor key equipment intelligent diagnosis system;
the reactor key equipment state data collecting system is used for acquiring data acquired in the reactor key equipment state monitoring system in real time and storing the acquired process data into the cloud data management center; the data collected in the reactor key equipment state monitoring system comprises reactor key equipment state data and unit operation data, and the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station;
the cloud data management center is used for storing and managing original data, process data and analysis and diagnosis result data of key equipment of the nuclear power station;
the intelligent diagnosis system for the critical equipment of the reactor is used for acquiring acquired data from the cloud data management center to analyze and diagnose the critical equipment, wherein the analysis and diagnosis of the critical equipment comprises loose part triggering data classification and positioning quantitative analysis, in-pile component modal analysis and degradation degree evaluation, main pipeline and surge pipe leakage positioning quantitative analysis and main pump fault intelligent identification; and storing the process data and result data of real-time analysis and diagnosis into the cloud data management center.
The invention relates to a state monitoring and remote intelligent diagnosis platform for nuclear power station key equipment, in particular to a remote state monitoring and fault diagnosis technology support platform for a nuclear power station based on internet, big data and cloud computing, which is used for gathering experts of a fault diagnosis professional organization, monitoring various faults of each nuclear power station in real time with lowest cost and fastest response, tracking change trend, carrying out qualitative and quantitative diagnosis on the faults and providing a remote technology support platform for operation and maintenance of the nuclear power station key equipment. The invention combines the characteristics of the development of domestic nuclear power, provides a platform for monitoring the state of the reactor of the nuclear power station and remotely and intelligently diagnosing the state of the reactor, and improves the fault diagnosis technology and operation and maintenance technology of nuclear power key equipment in China.
The invention realizes the remote monitoring of the state of the key equipment of the nuclear power station and the real-time transmission of state data and operation data; realizing intelligent diagnosis of the faults of key equipment of the nuclear power station; the method has the advantages that the centralized management and disaster recovery of the original data, the process data and the result data of the key equipment of the nuclear power station are realized; the method realizes the interaction and sharing of the state monitoring and remote intelligent diagnosis information of the key equipment of the nuclear power station and the remote cooperative diagnosis of the key equipment of the nuclear power station.
Furthermore, each nuclear power station is internally and uniformly provided with the reactor key equipment state data collection system, the reactor key equipment state data collection system comprises a reactor key equipment state monitoring system, a DCS (distributed control system), a main workstation, a first switch, an independent server, a main switching device and a nuclear power station monitoring and feedback station, the reactor key equipment state monitoring system is connected with the main workstation, the main workstation is connected with the first switch, and the DCS is connected with the first switch; the reactor key equipment state monitoring system, the DCS distributed control system, the main workstation and the first exchanger are arranged in each unit; the first switches of all the unit layers are connected with independent servers, and the independent servers are accessed to the Internet through main switching equipment; the nuclear power station monitoring and feedback station is connected with the main switching equipment;
the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station, and is used for acquiring reactor key equipment state data and unit operation data and sending the reactor key equipment state data and the unit operation data to the main workstation;
the main workstation is used for collecting monitoring data of the reactor key equipment state monitoring system in real time and transmitting the monitoring data to the independent server through a first switch;
the first switch and the main switching equipment are used as switching equipment;
the independent servers are arranged in each nuclear power station and used for independently providing calculation or application service for each nuclear power station;
the nuclear power station monitoring and feedback station is arranged in each nuclear power station and used for receiving analysis and diagnosis results fed back by the reactor key equipment intelligent diagnosis system to monitor the conditions in the nuclear power station in real time;
data monitored by a reactor key equipment state monitoring system and a DCS (distributed control system) distributed control system of each unit of each nuclear power station are transmitted to an independent server through a first switch, and are accessed to the Internet through a main switch; and (4) performing subsequent analysis and diagnosis through the Internet, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the nuclear power station monitoring and feedback station of the corresponding nuclear power station.
In the technical scheme, the data acquired by the reactor key equipment state monitoring system and the DCS distributed control system in the conventional nuclear power station are copied out for use through special external equipment, so that the real-time performance is poor, online monitoring cannot be realized, and direct online real-time acquisition and remote transmission are not realized. According to the scheme, the reactor key equipment state monitoring system and the DCS distributed control system are arranged in different units of different nuclear power stations, data collected by the reactor key equipment state monitoring system and the DCS distributed control system are collected and transmitted to the independent server through the first switch, and the main switch is connected to the Internet; and analyzing and diagnosing by the remote intelligent diagnosis system for the reactor key equipment, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the monitoring and feedback station of the nuclear power station corresponding to the nuclear power station, so that the monitoring and feedback station of each nuclear power station can monitor the condition of the nuclear power station in which the monitoring and feedback station is located.
Therefore, the invention realizes the remote monitoring of the state of each nuclear power station key equipment and the real-time transmission of state data and operation data; realizing intelligent diagnosis of the faults of key equipment of the nuclear power station; the reactor state data is remotely transmitted, managed and disaster-tolerant in real time, and the data transmission delay time is less than 5 min; the failure type, degree, positioning and quantitative diagnosis timeliness is shortened from several days to several minutes; the system has a remote maintenance decision support function, and compared with the existing monitoring and diagnostic analysis technology, the maintenance cost of key equipment of a reactor system is reduced by 30%; the invention has the capability of developing remote operation and maintenance technical service for dozens to hundreds of nuclear power units.
The first switch of each unit is connected with the independent server of the corresponding nuclear power station through the first isolation device, and the DCS distributed control system of each unit is connected with the first switch of the corresponding unit through the second isolation device; the data security is ensured through the isolation device.
Further, the reactor key equipment state monitoring system comprises a reactor and primary circuit loosening part monitoring subsystem LPMS, an in-reactor component vibration monitoring subsystem VMS, a nuclear power station main pump state monitoring subsystem VIMS, an LBB leakage monitoring subsystem ALMS, a nuclear power station primary circuit vibration noise monitoring subsystem VIMS, a key valve state detection subsystem and the like, and is composed of detection equipment of a nuclear power station reactor plant and a signal processing cabinet of an electrical plant.
Further, the reactor key equipment state data collecting system is used for acquiring data collected in the reactor key equipment state monitoring system in real time and storing the collected process data into the cloud data management center; the collected data comprise binary dat files, excel data and wav audio data, and are collected, cleaned, compressed and stored, and are encrypted and then transmitted to the internet in real time.
Furthermore, the reactor key equipment intelligent diagnosis system comprises a reactor fault diagnosis center and a plurality of cooperative unit cooperative terminals, wherein the cooperative unit cooperative terminals are all connected with the reactor fault diagnosis center, the reactor fault diagnosis center issues diagnosis tasks to each cooperative unit through the cooperative unit cooperative terminals, and each cooperative unit diagnoses the nuclear power station key equipment together and gathers the nuclear power station key equipment to the reactor fault diagnosis center through the corresponding cooperative unit cooperative terminals.
Further, the reactor fault diagnosis center comprises a visualization unit and an intelligent fault diagnosis and decision unit.
Further, the cloud data management center comprises a distributed database, a data intelligent scheduling unit and a data disaster recovery unit,
the distributed database is used for data storage and management, and supports big data query and data label dynamic interaction;
the data intelligent scheduling unit is used for supporting data to establish dynamic association;
the data disaster recovery unit is used for performing disaster recovery management on all data such as original data, process data, diagnosis and analysis result data and the like of key equipment of the nuclear power station through a related system disaster recovery technology, so that the safety and stability of system data are guaranteed; the related system disaster backup technology comprises the technical modes of host type remote disaster recovery, storage type remote disaster recovery, virtualization disaster recovery and the like.
The system comprises a nuclear power station reactor key equipment operation and maintenance cloud platform, a MPP cluster server and a data processing system, wherein the nuclear power station reactor key equipment operation and maintenance cloud platform comprises a Hadoop cluster server and the MPP cluster server, and the Hadoop cluster server is connected with the MPP cluster server through a switch;
the Hadoop cluster server is used for realizing storage, analysis, diagnosis and diagnosis result visualization of the historical data of the nuclear power station key equipment, providing software development and operation environment for realizing key equipment algorithm and visualizing the diagnosis result, and is internally provided with an intelligent diagnosis algorithm development module which comprises data preprocessing, data mining algorithm calling, algorithm model training and verification, algorithm publishing and management; the intelligent diagnosis algorithm development module supports various data formats, including an Oracle database, a MySQL database and a distributed file system (HDFS);
the MPP cluster server is used for realizing real-time data processing, on-line monitoring and alarming, portal interaction and corresponding visual display of key equipment of the nuclear power station.
The remote operation and maintenance management system for the key equipment of the nuclear power station is used for carrying out operation and maintenance management on a remote intelligent diagnosis system for the key equipment of the reactor and a cloud data management center;
the remote operation and maintenance management system for the key equipment of the nuclear power station comprises an information interaction center and a data management center.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the reactor key equipment state monitoring system and the DCS distributed control system are arranged in different units of different nuclear power stations, data collected by the reactor key equipment state monitoring system and the DCS distributed control system are collected and are transmitted to the independent server through the first switch, and the main switch is connected to the Internet; and analyzing and diagnosing by the remote intelligent diagnosis system for the reactor key equipment, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the monitoring and feedback station of the nuclear power station corresponding to the nuclear power station, so that the monitoring and feedback station of each nuclear power station can monitor the condition of the nuclear power station in which the monitoring and feedback station is located.
2. The invention realizes the remote monitoring of the state of each nuclear power station key equipment and the real-time transmission of state data and operation data; realizing intelligent diagnosis of the faults of key equipment of the nuclear power station; the reactor state data is remotely transmitted, managed and disaster-tolerant in real time, and the data transmission delay time is less than 5 min; the failure type, degree, positioning and quantitative diagnosis timeliness is shortened from several days to several minutes; the system has a remote maintenance decision support function, and compared with the existing monitoring and diagnostic analysis technology, the maintenance cost of key equipment of a reactor system is reduced by 30%; the invention has the capability of developing remote operation and maintenance technical service for dozens to hundreds of nuclear power units.
3. The invention has the remote cooperative diagnosis capability of the key equipment of the nuclear power station and gathers the experts of the fault diagnosis professional organization.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of a remote state monitoring and intelligent diagnosis platform for key equipment of a nuclear power plant according to the present invention.
Fig. 2 is an architecture diagram of a nuclear power plant key equipment remote status monitoring and intelligent diagnosis platform according to the present invention.
FIG. 3 is a diagram showing the physical structure of an operation and maintenance cloud platform of the reactor key equipment of the nuclear power plant.
Reference numbers and corresponding part names:
the method comprises the following steps of 1-a reactor key equipment state data collection system, 2-a reactor key equipment intelligent diagnosis system and 3-a cloud data management center.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
Examples
As shown in fig. 1, the remote state monitoring and intelligent diagnosis platform for the critical equipment of the nuclear power plant comprises a reactor critical equipment state data collection system 1, a reactor critical equipment intelligent diagnosis system 2 and a cloud data management center 3, wherein the reactor critical equipment state data collection system 1 is connected with the cloud data management center 3 through the internet, and the cloud data management center 3 is connected with the reactor critical equipment intelligent diagnosis system 2;
the reactor key equipment state data collecting system 1 is used for acquiring data acquired in the reactor key equipment state monitoring system in real time and storing the acquired process data into the cloud data management center 3; the data collected in the reactor key equipment state monitoring system comprises reactor key equipment state data and unit operation data, and the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station;
the cloud data management center 3 is used for storing and managing original data, process data and analysis and diagnosis result data of key equipment of the nuclear power station;
the reactor key equipment intelligent diagnosis system 2 is used for acquiring acquired data from the cloud data management center 3 to analyze and diagnose key equipment, wherein the analysis and diagnosis of the key equipment comprises loose part triggering data classification and positioning quantitative analysis, reactor internals modal analysis and degradation degree evaluation, main pipeline and surge pipe leakage positioning quantitative analysis and main pump fault intelligent identification; and stores the process data and result data of real-time analysis and diagnosis into the cloud data management center 3.
The invention relates to a state monitoring and remote intelligent diagnosis platform for nuclear power station key equipment, in particular to a remote state monitoring and fault diagnosis technology support platform for a nuclear power station based on internet, big data and cloud computing, which is used for gathering experts of a fault diagnosis professional organization, monitoring various faults of each nuclear power station in real time with lowest cost and fastest response, tracking change trend, carrying out qualitative and quantitative diagnosis on the faults and providing a remote technology support platform for operation and maintenance of the nuclear power station key equipment. The invention combines the characteristics of the development of domestic nuclear power, provides a platform for monitoring the state of the reactor of the nuclear power station and remotely and intelligently diagnosing the state of the reactor, and improves the fault diagnosis technology and operation and maintenance technology of nuclear power key equipment in China.
The invention realizes the remote monitoring of the state of the key equipment of the nuclear power station and the real-time transmission of state data and operation data; realizing intelligent diagnosis of the faults of key equipment of the nuclear power station; the method has the advantages that the centralized management and disaster recovery of the original data, the process data and the result data of the key equipment of the nuclear power station are realized; the method realizes the interaction and sharing of the state monitoring and remote intelligent diagnosis information of the key equipment of the nuclear power station and the remote cooperative diagnosis of the key equipment of the nuclear power station.
As a further implementation, as shown in fig. 2, the reactor key equipment state data aggregation system 1 is disposed in each nuclear power station, where the reactor key equipment state data aggregation system 1 includes a reactor key equipment state monitoring system, a DCS distributed control system, a main workstation, a first switch, an independent server, a main switching device, and a nuclear power station monitoring and feedback station, the reactor key equipment state monitoring system is connected to the main workstation, the main workstation is connected to the first switch, and the DCS distributed control system is connected to the first switch; the reactor key equipment state monitoring system, the DCS distributed control system, the main workstation and the first exchanger are arranged in each unit; the first switches of all the unit layers are connected with independent servers, and the independent servers are accessed to the Internet through main switching equipment; the nuclear power station monitoring and feedback station is connected with the main switching equipment;
the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station, and is used for acquiring reactor key equipment state data and unit operation data and sending the reactor key equipment state data and the unit operation data to the main workstation;
the main workstation is used for collecting monitoring data of the reactor key equipment state monitoring system in real time and transmitting the monitoring data to the independent server through a first switch;
the first switch and the main switching equipment are used as switching equipment;
the independent servers are arranged in each nuclear power station and used for independently providing calculation or application service for each nuclear power station;
the nuclear power station monitoring and feedback stations are arranged in each nuclear power station and used for receiving analysis and diagnosis results fed back by the reactor key equipment intelligent diagnosis system 2 to monitor the conditions in the nuclear power station in real time;
data monitored by a reactor key equipment state monitoring system and a DCS (distributed control system) distributed control system of each unit of each nuclear power station are transmitted to an independent server through a first switch, and are accessed to the Internet through a main switch; and (4) performing subsequent analysis and diagnosis through the Internet, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the nuclear power station monitoring and feedback station of the corresponding nuclear power station.
In the technical scheme, the data acquired by the reactor key equipment state monitoring system and the DCS distributed control system in the conventional nuclear power station are copied out for use through special external equipment, so that the real-time performance is poor, online monitoring cannot be realized, and direct online real-time acquisition and remote transmission are not realized. According to the scheme, the reactor key equipment state monitoring system and the DCS distributed control system are arranged in different units of different nuclear power stations, data collected by the reactor key equipment state monitoring system and the DCS distributed control system are collected and transmitted to the independent server through the first switch, and the main switch is connected to the Internet; and analyzing and diagnosing by the remote intelligent diagnosis system 2 for the reactor key equipment, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the monitoring and feedback station of the nuclear power station corresponding to the nuclear power station, so that the monitoring and feedback station of each nuclear power station can monitor the condition of the nuclear power station in which the monitoring and feedback station is located.
Therefore, the invention realizes the remote monitoring of the state of each nuclear power station key equipment and the real-time transmission of state data and operation data; realizing intelligent diagnosis of the faults of key equipment of the nuclear power station; the reactor state data is remotely transmitted, managed and disaster-tolerant in real time, and the data transmission delay time is less than 5 min; the failure type, degree, positioning and quantitative diagnosis timeliness is shortened from several days to several minutes; the system has a remote maintenance decision support function, and compared with the existing monitoring and diagnostic analysis technology, the maintenance cost of key equipment of a reactor system is reduced by 30%; the invention has the capability of developing remote operation and maintenance technical service for dozens to hundreds of nuclear power units.
In addition, in consideration of demand conditions and current engineering situations, the reactor critical equipment state data collection system 1 is provided in each nuclear power station by using a dedicated main workstation based on a distributed architecture, and taking the nuclear power station as a unit in a software and hardware integrated manner.
As a further implementation, the system also comprises a first isolation device and a second isolation device, the first switch of each unit is connected with the independent server of the corresponding nuclear power station through the first isolation device, and the DCS distributed control system of each unit is connected with the first switch of the corresponding unit through the second isolation device; the data security is ensured through the isolation device.
In a further implementation, the reactor key equipment state monitoring system comprises a reactor and primary circuit loosening part monitoring subsystem LPMS, an in-reactor component vibration monitoring subsystem VMS, a nuclear power station main pump state monitoring subsystem VIMS, an LBB leakage monitoring subsystem ALMS, a nuclear power station primary circuit vibration noise monitoring subsystem VIMS, a key valve state detection subsystem and the like, and is composed of detection equipment of a nuclear power station reactor plant and a signal processing cabinet of an electrical plant.
As a further implementation, the reactor key equipment state data aggregation system 1 is configured to obtain data acquired in the reactor key equipment state monitoring system in real time, and store the acquired process data in the cloud data management center 3; the collected data comprise binary dat files, excel data and wav audio data, and are collected, cleaned, compressed and stored, and are encrypted and then transmitted to the internet in real time. Meanwhile, the result data of the remote diagnosis platform can be obtained, and the visualization function of the data is realized.
In a further implementation, the reactor key device intelligent diagnosis system 2 includes a reactor fault diagnosis center and a plurality of coordination unit coordination terminals, the coordination unit coordination terminals are all connected to the reactor fault diagnosis center, the reactor fault diagnosis center issues a diagnosis task to each coordination unit through the coordination unit coordination terminals, and each coordination unit diagnoses the nuclear power station key device together and collects the nuclear power station key device to the reactor fault diagnosis center through the corresponding coordination unit coordination terminal.
As a further implementation, the reactor fault diagnosis center comprises a visualization unit and an intelligent fault diagnosis and decision unit.
In a further implementation manner, the cloud data management center 3 includes a distributed database, a data intelligent scheduling unit, and a data disaster recovery unit,
the distributed database is used for data storage and management, and supports big data query and data label dynamic interaction;
the data intelligent scheduling unit is used for supporting data to establish dynamic association;
the data disaster recovery unit is used for performing disaster recovery management on all data such as original data, process data, diagnosis and analysis result data and the like of key equipment of the nuclear power station through a related system disaster recovery technology, so that the safety and stability of system data are guaranteed; the related system disaster backup technology comprises the technical modes of host type remote disaster recovery, storage type remote disaster recovery, virtualization disaster recovery and the like to carry out disaster recovery management, so that the safety and the stability of system data are guaranteed.
And accessing the backup server to a remote diagnosis platform, installing backup management software and using the backup management software as a management end of a backup system. And connecting the backup storage disk array with a backup server to construct a storage end of a backup system. The method comprises the steps of establishing a backup database which is completely the same as a data server in a backup system, monitoring changes of a service database in real time through a database transaction-level copying function of backup software, copying variable quantity into the backup database in real time for protection, and restoring data through the backup database once an original database fails to ensure the integrity of core service data.
If the database fails and cannot be recovered in a short time, a system administrator can link the service application to the backup database, and directly provide data reading and writing through the backup database, so that the continuous operation of the service is ensured.
In a further implementation, as shown in fig. 3, 3 is a physical structure of a nuclear power plant reactor key equipment operation and maintenance cloud platform as shown in the figure. The remote state monitoring and intelligent diagnosis platform for the nuclear power plant key equipment also comprises an operation and maintenance cloud platform for the nuclear power plant reactor key equipment, wherein the operation and maintenance cloud platform for the nuclear power plant reactor key equipment comprises a Hadoop cluster server and an MPP cluster server, and the Hadoop cluster server is connected with the MPP cluster server through a switch;
the Hadoop cluster server is used for realizing storage, analysis, diagnosis and diagnosis result visualization of the historical data of the nuclear power station key equipment, providing software development and operation environment for realizing key equipment algorithm and visualizing the diagnosis result, and is internally provided with an intelligent diagnosis algorithm development module which comprises data preprocessing, data mining algorithm calling (algorithm can also be customized), algorithm model training and verification, algorithm publishing and management; the intelligent diagnosis algorithm development module supports various data formats, including an Oracle database, a MySQL database, a distributed file system (HDFS) and the like; the method has the functions of data preprocessing and characteristic quantity extraction, is internally provided with a common algorithm, and can also be customized and developed according to requirements. The data mining algorithm is internally provided with the current common algorithms, including clustering algorithms (such as K-means clustering, Gaussian mixture model method clustering and the like), classification algorithms (such as decision trees, gradient boosting decision trees, random forests, logistic regression K-nearest neighbor classification and support vector machines) and association rule algorithms (such as association rule analysis algorithm and the like). The intelligent diagnosis algorithm development module can realize all processes of data mining and application publishing on a common computer of a browser.
The MPP cluster server is used for realizing real-time data processing, on-line monitoring and alarming, portal interaction and corresponding visual display of key equipment of the nuclear power station.
As a further implementation, the remote operation and maintenance management system for the key equipment of the nuclear power plant is further included, and is used for carrying out operation and maintenance management on the remote intelligent diagnosis system 2 for the key equipment of the reactor and the cloud data management center 3;
the remote operation and maintenance management system for the key equipment of the nuclear power station comprises an information interaction center and a data management center.
(1) The information interaction center: the system administrator and the security administrator of the portal can be managed in a binary mode through the security management platform. And the binding and authentication functions of the nuclear power user, the mobile phone, the mailbox and the micro signal are provided. The authority configuration from large range to small common authority configuration mainly comprises three layers of sites, pages and portlets. The nuclear power user logs in a platform portal website on a working computer of the nuclear power user to upload data and information, uploads the nuclear power data and information to a data management center, and pushes data uploading information to the portal website. And the platform uploads the analysis report to a data management center for storage, and pushes a report release message to a portal website. And after receiving the push message of the uploaded data or information, the platform accesses the data management center and downloads the uploaded data and information to a corresponding data and information database of the local server. And after receiving the report uploading push message, the nuclear power user side accesses the data management center and downloads the analysis report to a local computer of the nuclear power station for storage. The information interaction center can customize columns, write and publish news and bulletins under the specified columns, and define and manage the information publishing process. And displaying the result on the portal website after the audit is passed. Basic information and professional information of a fault diagnosis expert are displayed on the platform, a nuclear power user can inquire and search the expert, and the expert can be appointed to carry out online consultation.
(2) The data management center: the remote transmission of the nuclear power station key equipment data fully utilizes the preposed exchange technology, and a set of software and hardware integrated computer is arranged between the nuclear power station and a platform and used for encrypting and remotely transmitting the data. The center provides uniform data authority management, thereby realizing the control of data confidentiality and safety. And the batch creation of users and the distribution of data rights through scripts are supported. The analysis result management is mainly used for unified organization and maintenance management of the issued analysis result data, and meets the management requirements of the analysis results of different role personnel. And storing the nuclear power data and information into a data and information database according to the nuclear power unit, the time period, the data type and the data format. The method can be read and displayed in a portal website, a diagnosis and analysis management platform and a visualization unit.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The remote state monitoring and intelligent diagnosis platform for the key equipment of the nuclear power station is characterized by comprising a reactor key equipment state data collection system (1), a reactor key equipment intelligent diagnosis system (2) and a cloud data management center (3), wherein the reactor key equipment state data collection system (1) is connected with the cloud data management center (3) through the Internet, and the cloud data management center (3) is connected with the reactor key equipment intelligent diagnosis system (2);
the reactor key equipment state data collecting system (1) is used for acquiring data collected in the reactor key equipment state monitoring system in real time and storing the collected process data into the cloud data management center (3); the data collected in the reactor key equipment state monitoring system comprises reactor key equipment state data and unit operation data, and the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station;
the cloud data management center (3) is used for storing and managing original data, process data and analysis and diagnosis result data of key equipment of the nuclear power station;
the reactor key equipment intelligent diagnosis system (2) is used for acquiring acquired data from the cloud data management center (3) to analyze and diagnose key equipment, wherein the analysis and diagnosis of the key equipment comprises loose part triggering data classification and positioning quantitative analysis, in-reactor component modal analysis and degradation degree evaluation, main pipeline and surge pipe leakage positioning quantitative analysis and main pump fault intelligent identification; and storing the process data and result data of real-time analysis and diagnosis into the cloud data management center (3).
2. The platform for remotely monitoring and intelligently diagnosing the states of the key equipment in the nuclear power plants according to claim 1, wherein the reactor key equipment state data collecting system (1) is arranged in each nuclear power plant, the reactor key equipment state data collecting system (1) comprises a reactor key equipment state monitoring system, a DCS distributed control system, a main workstation, a first switch, an independent server, main switching equipment and a nuclear power plant monitoring and feedback station, the reactor key equipment state monitoring system is connected with the main workstation, the main workstation is connected with the first switch, and the DCS distributed control system is connected with the first switch; the reactor key equipment state monitoring system, the DCS distributed control system, the main workstation and the first exchanger are arranged in each unit; the first switches of all the unit layers are connected with independent servers, and the independent servers are accessed to the Internet through main switching equipment; the nuclear power station monitoring and feedback station is connected with the main switching equipment;
the reactor key equipment state monitoring system is arranged in each unit of each nuclear power station, and is used for acquiring reactor key equipment state data and unit operation data and sending the reactor key equipment state data and the unit operation data to the main workstation;
the main workstation is used for collecting monitoring data of the reactor key equipment state monitoring system in real time and transmitting the monitoring data to the independent server through a first switch;
the independent servers are arranged in each nuclear power station and used for independently providing calculation or application service for each nuclear power station;
the nuclear power station monitoring and feedback stations are arranged in each nuclear power station and used for receiving analysis and diagnosis results fed back by the reactor key equipment intelligent diagnosis system (2) to monitor the conditions in the nuclear power station in real time;
data monitored by a reactor key equipment state monitoring system and a DCS (distributed control system) distributed control system of each unit of each nuclear power station are transmitted to an independent server through a first switch, and are accessed to the Internet through a main switch; and (4) performing subsequent analysis and diagnosis through the Internet, and transmitting the analysis and diagnosis result corresponding to each nuclear power station back to the nuclear power station monitoring and feedback station of the corresponding nuclear power station.
3. The platform of claim 2, further comprising a first isolation device and a second isolation device, wherein the first switch of each unit is connected to the independent server of its corresponding nuclear power plant through the first isolation device, and the DCS distributed control system of each unit is connected to the first switch of its corresponding unit through the second isolation device.
4. The remote status monitoring and intelligent diagnosis platform for nuclear power plant critical equipment according to claim 2, wherein the reactor critical equipment status monitoring system comprises a reactor and primary circuit loose part monitoring subsystem LPMS, an in-reactor component vibration monitoring subsystem VMS, a nuclear power plant primary pump status monitoring subsystem VIMS, an LBB leakage monitoring subsystem ALMS, a nuclear power plant primary circuit vibration noise monitoring subsystem VIMS, and a critical valve status detection subsystem.
5. The platform for remotely monitoring and intelligently diagnosing the states of the key devices in the nuclear power plant as claimed in claim 1, wherein the reactor key device state data gathering system (1) is configured to acquire data collected by the reactor key device state monitoring system in real time and store the collected process data in the cloud data management center (3); the collected data comprise binary dat files, excel data and wav audio data, and are collected, cleaned, compressed and stored, and are encrypted and then transmitted to the internet in real time.
6. The remote status monitoring and intelligent diagnosis platform for nuclear power plant key equipment according to claim 1, wherein the reactor key equipment intelligent diagnosis system (2) comprises a reactor fault diagnosis center and a plurality of cooperative unit cooperative terminals, the cooperative unit cooperative terminals are all connected with the reactor fault diagnosis center, the reactor fault diagnosis center issues diagnosis tasks to each cooperative unit through the cooperative unit cooperative terminals, and each cooperative unit diagnoses the nuclear power plant key equipment together and summarizes the nuclear power plant key equipment to the reactor fault diagnosis center through the corresponding cooperative unit cooperative terminals.
7. The platform of claim 6, wherein the reactor fault diagnosis center comprises a visualization unit and an intelligent fault diagnosis and decision unit.
8. The platform for remote monitoring and intelligent diagnosis of critical equipment in nuclear power plants according to claim 1, wherein the cloud data management center (3) comprises a distributed database, an intelligent data scheduling unit, and a data disaster recovery unit,
the distributed database is used for data storage and management, and supports big data query and data label dynamic interaction;
the data intelligent scheduling unit is used for supporting data to establish dynamic association;
the data disaster recovery unit is used for performing disaster recovery management on all data such as original data, process data, diagnosis and analysis result data and the like of key equipment of the nuclear power station through a related system disaster recovery technology, so that the safety and stability of system data are guaranteed; the related system disaster backup technology comprises host type remote disaster recovery, storage type remote disaster recovery and virtualization disaster recovery.
9. The platform for remotely monitoring and intelligently diagnosing the states of the key equipment in the nuclear power plant as claimed in claim 1, further comprising a nuclear power plant reactor key equipment operation and maintenance cloud platform, wherein the nuclear power plant reactor key equipment operation and maintenance cloud platform comprises a Hadoop cluster server and an MPP cluster server, and the Hadoop cluster server is connected with the MPP cluster server through a switch;
the Hadoop cluster server is used for realizing storage, analysis, diagnosis and diagnosis result visualization of the historical data of the nuclear power station key equipment, providing software development and operation environments for realizing key equipment algorithm and visualizing the diagnosis result, and is internally provided with an intelligent diagnosis algorithm development module;
the MPP cluster server is used for realizing real-time data processing, on-line monitoring and alarming, portal interaction and corresponding visual display of key equipment of the nuclear power station.
10. The platform of claim 9, wherein the intelligent diagnostic algorithm development module comprises data preprocessing, data mining algorithm invocation, algorithm model training and verification, algorithm publishing and management; the intelligent diagnosis algorithm development module supports various data formats, including an Oracle database, a MySQL database and a distributed file system (HDFS).
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