Human-machine interface system for nuclear power plants

Abstract

This disclosure belongs to the field of nuclear power technology, specifically relating to a human-machine interface system for nuclear power plants. The system proposes a human-machine interface system for nuclear power plants. This system can establish a shared human-machine interface system for multiple nuclear power units, using video lines to output unidirectional display and control information for Safety Zone II. It can effectively allow external data to enter Safety Zone II of the nuclear power plant, and also realize real-time sharing of intelligent services between Safety Zone II and Safety Zone III. This achieves efficient and secure transmission and application of human-machine interface information for intelligent services in Safety Zone II and Safety Zone III of the nuclear power plant, while ensuring ease of use for personnel.

Description

Technical Field

[0001] This invention belongs to the field of nuclear power technology, specifically relating to a human-machine interaction system for nuclear power plants. Background Technology

[0002] Traditional conventional nuclear power plants typically use four types of data—analog AI and AO, and digital DI and DO—to achieve data acquisition and equipment control, ensuring reliable operation of the plant. The main control room of the nuclear power plant, as the human-machine interaction center for safety control, should be staffed 24 hours a day to ensure the safe operation of the plant.

[0003] With the development of technologies such as cloud computing, big data, the Internet of Things, and mobile internet, nuclear power plant instrumentation and control systems are also undergoing continuous technological upgrades. The application of bus technology, networking technology, information technology, and intelligent technology is gradually being deployed in next-generation nuclear power plants. While the control systems of next-generation nuclear power plants are evolving from traditional DCS (Distributed Control System) to a DCS+FCS (Fieldbus Control System) architecture, the hardware performance of the DCS+FCS system can no longer support the processing demands of intelligent services based on big data and high-performance computing. Furthermore, the human-machine interface equipment in the original main control room is unsuitable for controlling intelligent business functions, to prevent the display of newly added intelligent business interfaces from causing human-caused interference with the operation and control of the nuclear power plant. To solve the problem of supporting various intelligent business systems, an intelligent monitoring information system is built based on a hyper-converged server. This system is used to uniformly collect and aggregate various production and business data, and provides a unified computing cluster to realize data storage, analysis, integration, development, and management, thus supporting intelligent-related business processes.

[0004] To improve the usability of the intelligent monitoring information system, a human-machine interface (HMI) system suitable for intelligent business operations needs to be set up. Intelligent business operations are typically deployed in Security Zone II of the production control area and Security Zone III of the management information area. If the intelligent business operations in Security Zone II and Security Zone III are connected via a single HMI system for human-machine interaction, it will create serious cybersecurity risks and fail to meet the cybersecurity requirements of the National Energy Administration's Document No. 36, "Overall Security Protection Scheme and Evaluation Specifications for Power Monitoring Systems." How to use a single HMI system to achieve human-machine interaction between the business screens of the two security zones is a problem that urgently needs to be solved on-site. Summary of the Invention

[0005] To overcome the problems existing in related technologies, a human-machine interaction system for nuclear power plants is provided. The system includes: an integrated monitoring screen, a screen controller, a first multi-screen controller, multiple workstations, multiple first hosts, multiple second hosts, a first industrial switch, and a second industrial switch.

[0006] The first industrial switch and the plurality of first hosts are configured in the nuclear power plant safety zone II, the second industrial switch and the plurality of second hosts are configured in the nuclear power plant safety zone III, and the plurality of workstations are located in a first physical location, each workstation including one or more first hosts and one or more second hosts;

[0007] Each first host establishes a network connection with the first industrial switch, the first industrial switch is connected to the security zone II business network, and each first host is connected to the first multi-screen controller via a video cable;

[0008] Each second host establishes a network connection with the second industrial switch, the second industrial switch is connected to the security zone III business network, and each second host is connected to the first multi-screen controller via a video cable;

[0009] The first multi-screen controller is connected to the screen controller via a video cable. The screen controller is connected to the integrated monitoring screen. The first multi-screen controller processes the video signals input from multiple first hosts and multiple second hosts into multiple screens and then outputs them to the integrated monitoring screens for display.

[0010] In one possible implementation, when the first multi-screen controller is configured to be connected to the first industrial switch network in Security Zone II, the first host running large-screen software can control the display of the integrated monitoring screen; or

[0011] When the first multi-screen controller is configured to be connected to the network of the first industrial switch in Security Zone III, the second host running large-screen software can control the screen of the integrated monitoring system.

[0012] In one possible implementation, the system further includes one or more wireless mobile terminals that establish network communication with the second industrial switch.

[0013] In one possible implementation, when the first multi-screen controller is configured to be connected to the first industrial switch network in Security Zone III, a wireless mobile terminal running large-screen software can control the display of the integrated monitoring screen.

[0014] In one possible implementation, the system further includes a video switching device, a second multi-screen controller, and multiple video distributors;

[0015] Each first host is connected to a video splitter via a video cable. The video splitter is connected to the first multi-screen controller and the second multi-screen controller via video cables. The video splitter splits the video signal output by the first host into two video signals, one of which is output to the first multi-screen controller and the other is output to the second multi-screen controller.

[0016] Each second host is connected to a video splitter via a video cable. The video splitter is connected to the first multi-screen controller and the second multi-screen controller via video cables. The video splitter splits the video signal output by the second host into two video signals, one of which is output to the first multi-screen controller and the other is output to the second multi-screen controller.

[0017] The first multi-screen controller and the second multi-screen controller are respectively connected to the video switching device via video cables. The video switching device is connected to the screen controller via video cables. The screen controller is connected to the integrated monitoring screen.

[0018] Either the first host or the second host, which runs large-screen control software, can control the video switching device to select and switch between two video streams. The switched video signal is then output to the integrated monitoring screen via the screen controller for display.

[0019] In one possible implementation, the system further includes one or more wireless mobile terminals, which establish network communication with the second industrial switch;

[0020] The wireless mobile terminal running large-screen software can control the video switching device to select and switch between two video streams. The switched video signal is then output to the integrated monitoring screen for display via the screen controller.

[0021] In one possible implementation, the large-screen control software of the first host is used to support the display of intelligent business screens of Security Zone II on the integrated monitoring screen, and to support the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen. It can also control the video switching device to switch the screen on the integrated monitoring screen.

[0022] In one possible implementation, the large-screen control software of the second host is used to support the display of intelligent business screens of Security Zone III on the integrated monitoring screen, and to support the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen. It can also control the video switching device to switch the screen on the integrated monitoring screen.

[0023] In one possible implementation, the large-screen control software of the wireless mobile terminal is used to support the display of intelligent business screens of Security Zone III on the integrated monitoring screen. It supports the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen, controls the video switching device to switch screens on the integrated monitoring screen, and also supports touch click and drag-and-drop screen switching operations.

[0024] In one possible implementation, the system further includes multiple remote workstations, each of which is located at a second physical location distinct from the first physical location, the second physical location including any one or more of a main control room, a BOP central control room, or a nuclear power plant management office;

[0025] Each remote workstation's host is configured in Security Zone II and establishes a network connection with the first industrial switch to obtain key information about intelligent services in Security Zone II.

[0026] The beneficial effects of this disclosure are as follows: This disclosure proposes a human-machine interaction system for nuclear power plants. This system can establish a shared human-machine interaction system for multiple nuclear power units, using video lines to output unidirectional display and control information for Safety Zone II. This not only effectively allows external data to enter Safety Zone II of the nuclear power plant, but also enables real-time sharing of intelligent services between Safety Zone II and Safety Zone III. This achieves efficient and secure transmission and application of human-machine interaction information for intelligent services in Safety Zone II and Safety Zone III of the nuclear power plant, while ensuring ease of use for personnel. Attached Figure Description

[0027] Figure 1 This is a schematic diagram illustrating a human-machine interaction system for a nuclear power plant according to an exemplary embodiment.

[0028] Figure 2 This is a schematic diagram illustrating a human-machine interaction system for a nuclear power plant according to an exemplary embodiment.

[0029] Figure 3 This is a schematic diagram illustrating a human-machine interaction system for a nuclear power plant according to an exemplary embodiment. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Figures 1-3 This is a schematic diagram illustrating a human-machine interface system for a nuclear power plant according to an exemplary embodiment. See also... Figures 1-3A plant-level intelligent business human-machine interaction room (physical location 1) is set up in a sub-project building of the nuclear power plant. Multiple workstations are installed in the room (for example, up to 3 workstations; it should be noted that the number of workstations can be adjusted according to the intelligent business needs, and this disclosure does not limit the number of workstations). Each workstation includes a first host 1-1 configured in Safety Zone II and a second host 1-2 configured in Safety Zone III (each first host 1-1 and each second host 1-2 in Safety Zone II can be equipped with 2 monitors 1-4 and a separate keyboard and mouse). Each workstation can be placed on an operating table for use by one inspection personnel.

[0032] Each first host 1-1 is interconnected with the first multi-screen controller 3-1 and the first industrial switch 2-1 via the network, and each first host 1-1 can control the first multi-screen controller 3-1 via the network. Each second host 1-2 is interconnected with the second multi-screen controller 3-2 and the second industrial switch 2-2 via the network, and each second host 1-2 can control the second multi-screen controller 3-2 via the network.

[0033] Each first host 1-1 is connected to a video splitter 4-1 via a video cable. The video splitter 4-1 is connected to a first multi-screen controller 3-1 configured in Security Zone II and a second multi-screen controller 3-2 configured in Security Zone III via video cables. (The video cable can be a cable used for unidirectional transmission of video signals. The video cable can be, for example, an analog cable such as VGA or a unidirectional digital video cable such as DVI.) The video splitter 4-1 splits the video signal output by the first host 1-1 into two video signals. One video signal is output to the first multi-screen controller 3-1, and the other video signal is output to the second multi-screen controller 3-2.

[0034] Each second host 1-2 is connected to a video splitter 4-1 via a video cable. The video splitter 4-1 is connected to the first multi-screen controller 3-1 and the second multi-screen controller 3-2 via video cables. The video splitter 4-1 splits the video signal output by the second host 1-2 into two video signals, one of which is output to the first multi-screen controller 3-1 and the other is output to the second multi-screen controller 3-2.

[0035] The first multi-screen controller 3-1 and the second multi-screen controller 3-2 are respectively connected to the video switching device via video cables. The video switching device 5-1 is connected to the screen controller via a video cable. The screen controller is connected to the integrated monitoring screen via a network cable.

[0036] The first multi-screen controller 3-1 processes the input multi-channel video signals through a split-screen mechanism and then connects them to the video switching device 5-1 via a video cable; the second multi-screen controller 3-2 processes the input multi-channel video signals through a split-screen mechanism and also connects them to the LED video switching device 5-1 via a video cable.

[0037] The testing personnel can control the video switching device 5-1 to select and switch between two video streams using the large-screen control software installed on the second host 1-2. The switched video signal is connected to the screen controller 5-2 through the video cable, and the video signal is finally output to the integrated monitoring screen 6 for display through the screen controller 5-2.

[0038] The integrated monitoring screen 6 can be connected to the second industrial switch 2-2 network, thereby accessing the security zone III network. The security zone III network can be a wireless network and / or a wired network; this disclosure does not limit the type of interconnection within the security zone III network. All or part of the first host 1-1, all or part of the second host 1-2, and the wireless mobile terminal 7 can be equipped with large-screen control software to control the content displayed on the integrated monitoring screen 6. Specific functions are as follows:

[0039] (1) The large screen control software of the first host 1-1 is used to support the display of intelligent business screens of Security Zone II on the integrated monitoring screen 6. It can support various digital display methods such as window display and high-resolution display; it can support the combined projection display of signals from Security Zone II and Security Zone III connected through video cables on the integrated monitoring screen 6; it can also control the video switching device 5-1 to switch the screens on the integrated monitoring screen 6.

[0040] (2) The large screen control software of the second host 1-2 is used to support the display of intelligent business screens of Security Zone III on the integrated monitoring screen 6. It can support various digital display methods such as window display and high-resolution display; it can support the combined projection display of signals from Security Zone II and Security Zone III connected through video cables on the integrated monitoring screen 6; and it can switch the screen of the integrated monitoring screen 6 by controlling the video switching device 5-1.

[0041] (3) The large-screen control software on the wireless mobile terminal 7 has the same function as the large-screen control software on the second host 1-2. The wireless mobile terminal supports touch click and drag-and-drop screen switching operations.

[0042] The plant-level human-machine interface room (physical location 1) enables centralized monitoring and management of intelligent services, but it is not convenient for operators working in other areas. Therefore, remote workstations 1-3 can be set up, extending the Security II network to other physical work areas via dedicated lines. For example, the main control room or BOP central control room (physical location 2), serving as the DCS control center, can transmit key information about the intelligent services to operators by adding remote workstations for the Security II intelligent service system, assisting them in making operational decisions. Conversely, the management office area (physical location 3), as the plant management area, can also transmit key information about the Security II intelligent services to maintenance and management personnel by adding remote workstations for the Security II intelligent service system, assisting them in formulating management tasks.

[0043] In one possible implementation, the design of the human-computer interaction system can evolve further depending on the requirements:

[0044] like Figure 2 As shown, the display on the integrated monitoring screen 6 is controlled solely by the first host 1-1 in Security Zone II via the large screen control software.

[0045] The evolved human-computer interaction system supports the display of intelligent business screens in Security Zone II on the integrated monitoring screen 6, and supports various digital display methods such as window display and high-resolution display; it supports the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen 6; and it supports the control of the large screen screen through the large screen control software installed on the first host 1-1 in Security Zone II.

[0046] like Figure 3 As shown, the integrated monitoring screen 6 displays images controlled solely by the second host 1-2 in Security Zone III and the wireless mobile terminal 7 via the large-screen control software.

[0047] The evolved human-computer interaction system supports the display of intelligent business screens in Security Zone III on the integrated monitoring screen 6, and supports various digital display methods such as window display and high-resolution display; it supports the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen 6; and it supports the control of the large screen screen through the large screen control software 8 installed on the second host 1-2 and wireless mobile terminal 7 in Security Zone III. Figure 2 and Figure 3 The evolved system can save on the configuration costs of video lines and video distributors, while also enabling the transmission and display of information for intelligent interactive services between Security Zone II and Security Zone III.

[0048] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A human-machine interaction system for nuclear power plants, characterized in that, The system includes: a comprehensive monitoring screen, a screen controller, a first multi-screen controller, multiple workstations, multiple first hosts, multiple second hosts, a first industrial switch, and a second industrial switch; The first industrial switch and the plurality of first hosts are configured in the nuclear power plant safety zone II, the second industrial switch and the plurality of second hosts are configured in the nuclear power plant safety zone III, and the plurality of workstations are located in a first physical location, each workstation including one or more first hosts and one or more second hosts; Each first host establishes a network connection with the first industrial switch, the first industrial switch is connected to the security zone II business network, and each first host is connected to the first multi-screen controller via a video cable; Each second host establishes a network connection with the second industrial switch, the second industrial switch is connected to the security zone III business network, and each second host is connected to the first multi-screen controller via a video cable; The first multi-screen controller is connected to the screen controller via a video cable. The screen controller is connected to the integrated monitoring screen. The first multi-screen controller processes the video signals input from multiple first hosts and multiple second hosts into multiple screens and then outputs them to the integrated monitoring screens for display. The system also includes a video switching device, a second multi-screen controller, and multiple video distributors; Each first host is connected to a video splitter via a video cable. The video splitter is connected to the first multi-screen controller and the second multi-screen controller via video cables. The video splitter splits the video signal output by the first host into two video signals, one of which is output to the first multi-screen controller and the other is output to the second multi-screen controller. Each second host is connected to a video splitter via a video cable. The video splitter is connected to the first multi-screen controller and the second multi-screen controller via video cables. The video splitter splits the video signal output by the second host into two video signals, one of which is output to the first multi-screen controller and the other is output to the second multi-screen controller. The first multi-screen controller and the second multi-screen controller are respectively connected to the video switching device via video cables. The video switching device is connected to the screen controller via video cables. The screen controller is connected to the integrated monitoring screen. Either the first host or the second host, which runs large-screen control software, can control the video switching device to select and switch between two video streams. The switched video signal is then output to the integrated monitoring screen via the screen controller for display.

2. The system according to claim 1, characterized in that, When the first multi-screen controller is configured to be connected to the network of the first industrial switch in Security Zone II, the first host running large screen software can control the screen of the integrated monitoring screen. or When the first multi-screen controller is configured to be connected to the network of the first industrial switch in Security Zone III, the second host running large-screen software can control the screen of the integrated monitoring system.

3. The system according to claim 2, characterized in that, The system also includes one or more wireless mobile terminals, which establish network communication with the second industrial switch.

4. The system according to claim 3, characterized in that, When the first multi-screen controller is configured to be connected to the network of the first industrial switch in Security Zone III, a wireless mobile terminal running large-screen software can control the screen of the integrated monitoring system.

5. The system according to claim 1, characterized in that, The system also includes one or more wireless mobile terminals, which establish network communication with the second industrial switch. The wireless mobile terminal running large-screen software can control the video switching device to select and switch between two video streams. The switched video signal is then output to the integrated monitoring screen for display via the screen controller.

6. The system according to claim 1, characterized in that, The large-screen control software of the first host is used to support the display of intelligent business screens in Security Zone II on the integrated monitoring screen. It also supports the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen. Furthermore, it can control the video switching device to switch the screen images on the integrated monitoring screen.

7. The system according to claim 1, characterized in that, The large-screen control software of the second host is used to support the display of intelligent business screens of Security Zone III on the integrated monitoring screen, and to support the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen. It can also control the video switching device to switch the screen images on the integrated monitoring screen.

8. The system according to claim 1, characterized in that, The large-screen control software for wireless mobile terminals is used to support the display of intelligent business screens in Security Zone III on the integrated monitoring screen. It supports the combined projection display of signals from Security Zone II and Security Zone III connected via video cables on the integrated monitoring screen. It controls the video switching device to switch screens on the integrated monitoring screen and also supports touch click and drag-and-drop screen switching operations.

9. The system according to any one of claims 1-8, characterized in that, The system also includes multiple remote workstations, each of which is located in a second physical location distinct from the first physical location. The second physical location includes any one or more of the main control room, BOP central control room, or nuclear power plant management office area. Each remote workstation's host is configured in Security Zone II and establishes a network connection with the first industrial switch to obtain key information about intelligent services in Security Zone II.

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