阅读说明：本技术 一种基于物理断开的核电站安全可信状态监测系统 (Nuclear power station safety credible state monitoring system based on physical disconnection ) 是由 颜振宇 春增军 刘高俊 邹来龙 杨晓晨 李若兰 陈伟雄 张华� 徐力争 于 2020-07-29 设计创作，主要内容包括：本发明涉及核电站技术、网络安全领域,具体涉及一种基于物理断开的核电站安全可信状态监测系统。其包括多个数据采集装置、第一数据处理装置、激光发射装置、激光接收装置、第二数据处理装置和状态监测与预警装置、运行状态预判与优化装置。多个数据采集装置分别用于采集核电站预设监测点的参数信息；第一数据处理装置用于收集采集的参数信息并进行实时安全可信防护,激光发射装置用于将参数信息转化为激光信号发射,激光接收装置用于接收激光信号并从中解析出参数信息；第二数据处理装置用于对解析出的参数信息进行实时安全可信防护,状态监测与预警装置用于对解析出的参数信息进行实时显示,并判断参数信息是否异常,若异常则发出预警信息。(The invention relates to the field of nuclear power station technology and network security, in particular to a nuclear power station security credible state monitoring system based on physical disconnection. The system comprises a plurality of data acquisition devices, a first data processing device, a laser emitting device, a laser receiving device, a second data processing device, a state monitoring and early warning device and an operation state prejudging and optimizing device. The data acquisition devices are respectively used for acquiring parameter information of preset monitoring points of the nuclear power station; the first data processing device is used for collecting the collected parameter information and carrying out real-time safe and credible protection, the laser emitting device is used for converting the parameter information into laser signals to be emitted, and the laser receiving device is used for receiving the laser signals and analyzing the parameter information from the laser signals; the second data processing device is used for carrying out real-time safe and credible protection on the analyzed parameter information, and the state monitoring and early warning device is used for displaying the analyzed parameter information in real time, judging whether the parameter information is abnormal or not, and sending out early warning information if the parameter information is abnormal.)

1. A nuclear power station safety credible state monitoring system based on physical disconnection is characterized by comprising:

the system comprises a plurality of data acquisition devices, a monitoring device and a monitoring server, wherein the data acquisition devices are respectively used for acquiring parameter information of preset monitoring points of the nuclear power station;

the first data processing device is used for collecting the parameter information collected by the plurality of data collecting devices and carrying out real-time safe and credible protection on the collected parameter information;

the laser emitting device is used for converting the collected parameter information into laser signals to be emitted;

the laser receiving device is used for receiving the laser signal and analyzing the parameter information from the laser signal;

the second data processing device is used for carrying out real-time safety credible protection on the analyzed parameter information;

and the state monitoring and early warning device is used for displaying the analyzed parameter information in real time, judging whether the parameter information is abnormal or not, and sending out early warning information if the parameter information is abnormal.

2. The system for monitoring the safe and reliable state of the nuclear power plant according to claim 1, wherein the parameter information at least includes reactor reactivity control related parameters, reactor residual heat removal control related parameters, nuclear power unit operation related parameters, and radiation related parameters of the reactor surrounding environment.

3. The nuclear power plant safety trusted status monitoring system of claim 1, wherein the first data processing device and/or the second data processing device comprises:

the data adaptation module is used for judging whether the data type of the acquired parameter information belongs to one or more types in a preset data type library or not, and if so, collecting the parameter information;

the credibility verification module is used for carrying out credibility verification on the operation information, the calculation information and the execution environment of the user;

and the access control module is used for carrying out security verification on the access of the user.

4. The nuclear power plant safety trusted status monitoring system of claim 3, wherein the first data processing device and/or the second data processing device further comprises:

the data integrity checking module is used for encrypting the parameter information and generating a password for representing the integrity of the parameter information;

the malicious software protection module is used for protecting malicious software and preventing the malicious software from stealing the parameter information;

and the data monitoring and auditing module is used for monitoring the parameter information and auditing the operation information of the user.

5. The system for monitoring the safe and trusted status of a nuclear power plant as claimed in claim 1, wherein said status monitoring and warning device comprises:

the data real-time storage module is used for storing the parameter information in real time;

and the query module is used for querying the historical parameter information.

6. The system for monitoring the safe and trusted status of a nuclear power plant as claimed in claim 5, wherein said status monitoring and warning device further comprises:

the variation trend construction module is used for constructing one or more variation trend graphs in the parameter information;

and the display module is used for displaying the parameter information in real time and displaying the change trend graph of the parameter information.

7. The system for monitoring the safe and trusted status of a nuclear power plant as claimed in claim 5, wherein said status monitoring and warning device further comprises:

the production operation optimization module is used for inputting the parameter information into a production operation optimization model to obtain optimized production operation parameters;

the state monitoring module is used for monitoring the parameter information in real time to judge whether the parameter information meets the preset safe operation parameter requirement, monitoring the change trend of the change trend graph of the parameter information in real time and judging whether the change trend meets the preset safe change trend requirement;

and the alarm module is used for sending alarm information when the state monitoring module judges that the parameter information does not meet the preset safe operation parameter requirement and/or the change trend of the change trend graph of the parameter information does not meet the preset safe change trend requirement.

8. The system for monitoring the safe and trusted status of the nuclear power plant according to claim 1, further comprising a plurality of data unidirectional isolation devices, each of which is configured to perform security isolation and unidirectional import processing on the parameter information acquired by the plurality of data acquisition devices and transmit the processed parameter information to the first data processing device.

9. The system for monitoring the safe and reliable state of the nuclear power plant according to claim 7, wherein the real-time monitoring of the parameter information to determine whether the parameter information meets the preset safe operation parameter requirement comprises:

inputting the parameter information into a pre-established operation parameter monitoring model with parameters corresponding to safe operation states to obtain a result of whether the parameter information meets the requirements of preset safe operation parameters;

the real-time monitoring of the variation trend chart of the parameter information and the judgment of whether the variation trend meets the preset safety variation trend requirement comprises the following steps:

and inputting the variation trend of the variation trend graph of the parameter into a preset variation trend and safety variation trend monitoring model to obtain a result of whether the variation trend of the variation trend graph of the parameter meets the preset safety variation trend requirement.

10. The nuclear power plant safety trusted status monitoring system of claim 1, wherein the first data processing device and/or the second data processing device further comprises a backup slave and a redundant power supply;

the monitoring system also comprises an operation state prejudging device which is used for carrying out double operation on the current state, prejudging the development trend of the future state, judging whether the future development is abnormal or not, and giving intervention operation control information in advance if the future development is abnormal.

Technical Field

The invention relates to the field of nuclear power station technology and network security, in particular to a nuclear power station security credible state monitoring system based on physical disconnection.

Background

The nuclear power station has high requirements for safety, the nuclear power station has more safety projects which need to be monitored, the safety requirements for data transmission are high, important data are prevented from being leaked or maliciously stolen, the current nuclear power station independently monitors all projects which need to be monitored, an integral monitoring system is not formed, manual timing monitoring is carried out in the working process, accordingly, monitoring is incomplete, real-time performance is poor, meanwhile, early warning can not be timely carried out on abnormal information, and safety management personnel are reminded to timely handle the abnormal information. It can be seen that there are many deficiencies in the prior art for monitoring nuclear power plants.

Disclosure of Invention

The application provides a nuclear power station safety credible state monitoring system based on physics disconnection, its aim at carries out wholeness real-time supervision to the safety project that the nuclear power station needs to be monitored for the staff can long-rangely in time master all safety project information of nuclear power station.

A nuclear power plant safety condition monitoring system comprising:

the system comprises a plurality of data acquisition devices, a monitoring device and a monitoring server, wherein the data acquisition devices are respectively used for acquiring parameter information of preset monitoring points of the nuclear power station;

the first data processing device is used for collecting the parameter information collected by the plurality of data collecting devices and carrying out real-time safe and credible protection on the collected parameter information;

the laser emitting device is used for converting the collected parameter information into laser signals to be emitted;

the laser receiving device is used for receiving the laser signal and analyzing the parameter information from the laser signal;

the second data processing device is used for carrying out real-time safety credible protection on the analyzed parameter information;

and the state monitoring and early warning device is used for displaying the analyzed parameter information in real time, judging whether the parameter information is abnormal or not, and sending out early warning information if the parameter information is abnormal.

In one embodiment, the safety state monitoring system further includes an operation state prejudging device, configured to perform a double operation on the current state, prejudge a development trend of a future state, judge whether an abnormality occurs in the future development, and give intervention operation control information in advance if the abnormality occurs.

The parameter information at least comprises reactor reactivity control related parameters, reactor waste heat discharge control related parameters, nuclear power unit operation related parameters and radiation related parameters of the reactor surrounding environment.

Wherein the first data processing apparatus and/or the second data processing apparatus comprises:

the data adaptation module is used for judging whether the data type of the acquired parameter information belongs to one or more types in a preset data type library or not, and if so, collecting the parameter information;

the trusted verification module is used for performing trusted verification on the operation information, the calculation information and the execution environment of the user;

and the access control module is used for carrying out security verification on the access of the user.

In one embodiment, the first data processing apparatus and/or the second data processing apparatus further comprises:

the data integrity checking module is used for encrypting the parameter information and generating a password for representing the integrity of the parameter information;

the malicious software protection module is used for protecting malicious software and preventing the malicious software from stealing the parameter information;

and the data monitoring and auditing module is used for monitoring the parameter information and auditing the operation information of the user.

In one embodiment, the condition monitoring and warning device comprises:

the data real-time storage module is used for storing the parameter information in real time;

and the query module is used for querying the historical parameter information.

In one embodiment, the state monitoring and warning device further comprises:

the variation trend construction module is used for constructing one or more variation trend graphs in the parameter information;

and the display module is used for displaying the parameter information in real time and displaying the change trend graph of the parameter information.

In one embodiment, the state monitoring and warning device further comprises:

the production operation optimization module is used for inputting the parameter information into a production operation optimization model to obtain optimized production operation parameters;

the state monitoring module is used for monitoring the parameter information in real time to judge whether the parameter information meets the preset safe operation parameter requirement, monitoring the change trend of the change trend graph of the parameter information in real time and judging whether the change trend meets the preset safe change trend requirement;

and the alarm module is used for sending alarm information when the state monitoring module judges that the parameter information does not meet the preset safe operation parameter requirement and/or the change trend of the change trend graph of the parameter information does not meet the preset safe change trend requirement.

In an embodiment, the system further comprises a plurality of data unidirectional isolation devices, and the data unidirectional isolation devices are respectively used for performing security isolation and unidirectional import processing on the parameter information acquired by the plurality of data acquisition devices and then transmitting the parameter information to the first data processing device.

In an embodiment, the monitoring the parameter information in real time to determine whether the parameter information meets the preset safe operation parameter requirement includes:

inputting the parameter information into a pre-established operation parameter monitoring model with parameters corresponding to safe operation states to obtain a result of whether the parameter information meets the requirements of preset safe operation parameters;

the real-time monitoring of the variation trend chart of the parameter information and the judgment of whether the variation trend meets the preset safety variation trend requirement comprises the following steps:

and inputting the variation trend of the variation trend graph of the parameter into a preset variation trend and safety variation trend monitoring model to obtain a result of whether the variation trend of the variation trend graph of the parameter meets the preset safety variation trend requirement.

In one embodiment, the first data processing apparatus and/or the second data processing apparatus further includes a standby slave and a redundant power supply which are provided by using a dual-computer hot standby technology.

According to the nuclear power station safety credible state monitoring system based on physical disconnection, the system comprises a plurality of data acquisition devices, a first data processing device, a laser emitting device, a laser receiving device, a second data processing device and a state monitoring and early warning device. The system comprises a plurality of data acquisition devices, a monitoring center and a monitoring center, wherein the data acquisition devices are respectively used for acquiring parameter information of preset monitoring points of the nuclear power station; the first data processing device is used for collecting parameter information collected by the data collecting devices and carrying out real-time safety and safety protection on the collected parameter information, the laser emitting device is used for converting the collected parameter information into laser signals to be emitted, and the laser receiving device is used for receiving the laser signals and analyzing the parameter information from the laser signals; the second data processing device is used for carrying out real-time safe and credible protection on the analyzed parameter information, and the state monitoring and early warning device is used for displaying the analyzed parameter information in real time, judging whether the parameter information is abnormal or not, and sending out early warning information if the parameter information is abnormal. By adopting the safety state monitoring system provided by the embodiment, all monitoring points related to the nuclear power station can be monitored integrally, and meanwhile, the safety transmission of parameter information without physical media is realized through the laser emitting device and the laser receiving device, so that the parameter information is prevented from being interfered and stolen, and the safety of the nuclear power station is monitored remotely in real time.

Drawings

FIG. 1 is a schematic structural diagram of a safety state monitoring system of a nuclear power plant according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a first data processing apparatus according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a state monitoring and early warning device according to an embodiment of the present application.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning.