CN108257699B - Nuclear power plant digital alarm grading and partitioning method - Google Patents
Nuclear power plant digital alarm grading and partitioning method Download PDFInfo
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- CN108257699B CN108257699B CN201611241978.2A CN201611241978A CN108257699B CN 108257699 B CN108257699 B CN 108257699B CN 201611241978 A CN201611241978 A CN 201611241978A CN 108257699 B CN108257699 B CN 108257699B
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- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of design of digital alarms of nuclear power plants, and particularly discloses a method for grading and partitioning digital alarms of a nuclear power plant. The method comprises the following steps: 1. classifying and partitioning alarm trigger signals of the nuclear power plant; 2. acquiring an alarm trigger signal; 3. triggering a third-level alarm interface by utilizing an alarm triggering signal; 4. triggering the second-level alarm interface by using the third-level alarm signal; 5. triggering the first-level alarm interface by using the second-level alarm signal; in the method, during normal operation, an operator can check the alarm which appears recently through the latest alarm area and take corresponding corrective measures; when a large number of alarms occur under the transient working condition, an operator can quickly position and preferentially pay attention to important key alarms through key function partitions or system partitions so as to make accurate judgment and avoid the state deterioration of the unit; meanwhile, the alarm is put on a large screen of the master control room, and is visual and striking.
Description
Technical Field
The invention belongs to the technical field of digital alarm design of nuclear power plants, and particularly relates to a digital alarm grading and partitioning method for a nuclear power plant.
Background
The alarm system is a main component of a nuclear power plant master control room and has the function of reminding an operator in time through a special mode (color change and acousto-optic alarm mode) when a nuclear power plant process system is abnormal or an instrument control system is abnormal, so that the operator can take effective actions and corrective measures to avoid equipment state deterioration and even threaten the safety of a power plant.
With the development of the digital technology, the traditional analog alarm system is gradually replaced by the digital alarm system, the digital technology is beneficial to enhancing the functions of the alarm system, but if the human-computer interface is improperly designed, negative effects are brought to operators. The digital technology is widely applied to newly-built nuclear power plant control rooms and in-service nuclear power plant control room transformation, and experience shows that excessive and disordered information increases difficulty and working intensity of operators in making correct decisions. The adoption of the digitization technology enables the instrument control system to collect and process more alarm signals, meanwhile, a plurality of digitization instrument control devices have the self-diagnosis function, and a large amount of fault self-diagnosis information can be generated, so that the alarm quantity and the alarm information are obviously increased. Typically, alarms are displayed on a computer screen in a list that loses the intuitive feel of a conventional control room alarm window. The large number of alarms that occur under transient conditions far exceed the handling capabilities of the operator. Under the dual action of time pressure and memory pressure, the increase of cognitive load causes the decline of fault detection capability, and the operator can only selectively process some alarms. Although the alarm avalanche phenomenon also exists in a conventional control room, the situation is much more serious in a digital control room. More improvements are needed in digital alarm systems.
Disclosure of Invention
The invention aims to provide a method for grading and partitioning a digital alarm of a nuclear power plant, which solves the problems that the existing list type alarm display mode is lack of direct impression, and is not favorable for an operator to make a correct decision especially when a large number of alarms appear under a transient working condition and the processing capacity of the operator is far exceeded.
The technical scheme of the invention is as follows: a nuclear power plant digital alarm grading and partitioning method specifically comprises the following steps:
step 1, classifying and partitioning alarm trigger signals of a nuclear power plant;
step 1.1, carrying out grading treatment on an alarm trigger signal of a nuclear power plant;
step 1.2, carrying out partition processing on an alarm trigger signal of a nuclear power plant;
step 2, acquiring an alarm trigger signal;
acquiring an alarm trigger signal from a process control cabinet by using a data acquisition program;
step 3, triggering a third-level alarm interface by utilizing an alarm triggering signal;
step 4, triggering the second-level alarm interface by utilizing a third-level alarm signal;
step 4.1, according to the third level and the triggering state of the alarm signal, triggering the alarm signal of the corresponding content in the second level alarm interface;
step 4.2, determining the color of the mosaic blocks in the corresponding alarm interface of the second level according to the color of the mosaic blocks set in the third level trigger signal;
step 5, triggering the first-level alarm interface by utilizing the second-level alarm signal;
step 5.1, triggering a key function in the first-level alarm interface or an alarm state of system alarm according to the trigger state of the second-level alarm signal;
and 5.2, the color of a certain mosaic block in the key function or system in the first alarm interface flickers and is determined by the color of the highest grade in the second-level alarm signal associated with the certain mosaic block in the first alarm interface.
The step 1.1 of performing classification processing on the alarm triggering signal of the nuclear power plant specifically comprises the following steps:
dividing the acquired alarm trigger signals into three levels, wherein the first level is the alarm trigger signals of the nuclear island and the conventional island, and displaying the color, the display shape, the font and the action on an alarm interface of the first level; the second level is a combined alarm trigger signal which is displayed through a combined alarm interface; the third stage is to combine a specific trigger signal in the alarm trigger signals and display the specific trigger signal through a specific alarm interface; the alarm interface of each level adopts mosaic, when a certain level gives an alarm, the corresponding mosaic immediately begins to flash and triggers acousto-optic alarm.
The step 1.2 of performing partition processing on the alarm triggering signal of the nuclear power plant comprises the following specific steps:
setting a key function partition, a system partition and a latest alarm display area for a first-level nuclear island and conventional island alarm interface, and classifying different alarm trigger signals; the alarm triggering signals of the second stage and the third stage are used for carrying out partition arrangement on the alarms according to the principle of equipment communication or similar functions, wherein the key function partition takes key equipment and key functions of the power plant as partition principles; the system partitions are classified by system codes; the latest alarm display area can display the latest 10 pieces of alarm information.
In the step 3, the specific steps of triggering the third-level alarm interface by using the alarm triggering signal are as follows:
providing a plurality of colors for a user to select in a mosaic block corresponding to the alarm trigger signal in a third-level alarm interface, and flashing the corresponding mosaic block according to a preset color when the alarm signal is 1; when the alarm signal is 0, the corresponding mosaic block is kept static, wherein the mosaic block can provide 5 colors, such as purple, green, red, yellow and white, for selection, and the grade represented by each color is gradually reduced.
The specific steps of triggering the alarm signal with the corresponding content in the second-level alarm interface according to the triggering state of the third-level alarm signal and the alarm signal in the step 4.1 are as follows:
the triggering state of each mosaic block in the second stage is formed by combining the logical OR relationship of a plurality of alarm signals in the third stage, the triggering of the corresponding alarm signal state in the second stage is controlled after the triggering and the logical operation of the alarm signals in the third stage, and the triggering state is expressed by utilizing the flickering or the stillness of the mosaic blocks.
The step 4.2 of determining the color of the mosaic block in the second-level corresponding alarm interface specifically comprises the following steps:
and determining the color displayed by mosaic flickering in the second-level alarm interface according to the highest-level color of the mosaic block in the third-level alarm signal associated with the triggering of the corresponding mosaic block in the second-level alarm interface.
After the step 5, the method further comprises the following steps:
step 6, processing the alarm signal generated by the three-level alarm interface
When any alarming mosaic block which is flickering on the alarming interface is clicked, the alarming mosaic block is changed into a normally bright state from flickering, and other non-clicked alarms on the current interface still keep the original state; when the trigger source triggering the alarm disappears, the normally-on alarm flickers again, the frequency of the flickering is lower than that of the flickering triggered by the alarm, the alarm is cancelled when the slow-flashing alarm is clicked, and the color returns to the initial state.
The invention has the following remarkable effects: according to the method for grading and partitioning the digital alarm of the nuclear power plant, during normal operation, an operator can check the alarm which appears recently through the latest alarm area and take corresponding corrective measures; when a large number of alarms occur under the transient working condition, an operator can quickly position and preferentially pay attention to important key alarms through key function partitions or system partitions so as to make accurate judgment and avoid the state deterioration of the unit; meanwhile, the alarm is put on a large screen of the master control room, and is visual and striking.
Drawings
FIG. 1 is a flow chart of alarm triggering in a method for classifying and partitioning a digital alarm of a nuclear power plant according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, a method for classifying and partitioning a nuclear power plant digital alarm specifically includes the following steps:
step 1, classifying and partitioning alarm trigger signals of a nuclear power plant;
step 1.1, carrying out grading treatment on an alarm trigger signal of a nuclear power plant;
dividing the acquired alarm trigger signals into three levels, wherein the first level is the alarm trigger signals of a Nuclear Island (NI) and a Conventional Island (CI), and displaying the alarm interface with colors, display shapes, fonts and action behaviors on the first level alarm interface; the second level is a combined alarm trigger signal which is displayed through a combined alarm interface; the third stage is to combine a specific trigger signal in the alarm trigger signals and display the specific trigger signal through a specific alarm interface; the alarm interface of each level adopts mosaic, when one level gives an alarm, the corresponding mosaic immediately begins to flash and triggers acousto-optic alarm;
step 1.2, carrying out partition processing on an alarm trigger signal of a nuclear power plant;
setting a key function partition, a system partition and a latest alarm display area for a first-level nuclear island and conventional island alarm interface, and classifying different alarm trigger signals; the alarm triggering signals of the second stage and the third stage are used for carrying out partition arrangement on the alarms according to the principle of equipment communication or similar functions, wherein the key function partition takes key equipment and key functions of the power plant as partition principles; the system partitions are classified by system codes; the latest alarm display area can display the latest 10 pieces of alarm information;
step 2, acquiring an alarm trigger signal;
as in S1 of fig. 1, an alarm trigger signal is obtained from the process control cabinet using a data acquisition procedure;
step 3, triggering a third-level alarm interface by utilizing an alarm triggering signal;
as shown in S2 in fig. 1, the mosaic blocks corresponding to the alarm trigger signal in the third-level alarm interface provide several colors for the user to select, and when the alarm signal is 1, the corresponding mosaic blocks flash according to the predetermined color; when the alarm signal is 0, the corresponding mosaic blocks are kept static, wherein the mosaic blocks can provide 5 colors, such as purple, green, red, yellow and white, for selection, and the level represented by each color is sequentially decreased;
step 4, triggering the second-level alarm interface by utilizing a third-level alarm signal;
as shown at S3 in figure 1,
step 4.1, according to the third level and the triggering state of the alarm signal, triggering the alarm signal of the corresponding content in the second level alarm interface;
the triggering state of each mosaic block in the second stage is formed by combining the logical OR relationship of a plurality of alarm signals in the third stage, the triggering of the corresponding alarm signal state in the second stage is controlled after the triggering and the logical operation of the alarm signals in the third stage, and the triggering state is expressed by utilizing the flickering or the stillness of the mosaic blocks;
step 4.2, determining the color of the mosaic blocks in the corresponding alarm interface of the second level according to the color of the mosaic blocks set in the third level trigger signal;
determining the color displayed by mosaic flickering in the second-level alarm interface according to the highest-level color of the mosaic blocks in the third-level alarm signal associated with the triggering of the corresponding mosaic blocks in the second-level alarm interface;
step 5, triggering the first-level alarm interface by utilizing the second-level alarm signal;
as shown at S4 in figure 1,
step 5.1, triggering a key function in the first-level alarm interface or an alarm state of system alarm according to the trigger state of the second-level alarm signal;
after the triggering states of the plurality of second-level alarm signals are logically OR-ed, determining the triggering state of a key function in a first-level alarm interface or a mosaic block in a system;
step 5.2, the color of a certain mosaic block in the key function or system in the first alarm interface flickers and is determined by the color of the highest level in the second-level alarm signal associated with the certain mosaic block in the first alarm interface;
step 6, processing the alarm signal generated by the three-level alarm interface
When any alarming mosaic block which is flickering on the alarming interface is clicked, the alarming mosaic block is changed into a normally bright state from flickering, and other non-clicked alarms on the current interface still keep the original state; when the trigger source triggering the alarm disappears, the normally-on alarm flickers again, the frequency of the flickering is lower than that of the flickering triggered by the alarm, the alarm is cancelled when the slow-flashing alarm is clicked, and the color returns to the initial state.
Claims (5)
1. A nuclear power plant digital alarm grading and partitioning method is characterized by comprising the following steps: the method specifically comprises the following steps:
step 1, classifying and partitioning alarm trigger signals of a nuclear power plant;
step 1.1, carrying out grading treatment on an alarm trigger signal of a nuclear power plant;
dividing the acquired alarm trigger signals into three levels, wherein the first level is the alarm trigger signals of the nuclear island and the conventional island, and displaying the color, the display shape, the font and the action on an alarm interface of the first level; the second level is a combined alarm trigger signal which is displayed through a combined alarm interface; the third stage is to combine a specific trigger signal in the alarm trigger signals and display the specific trigger signal through a specific alarm interface; the alarm interface of each level adopts mosaic, when one level gives an alarm, the corresponding mosaic immediately begins to flash and triggers acousto-optic alarm;
step 1.2, carrying out partition processing on an alarm trigger signal of a nuclear power plant;
setting a key function partition, a system partition and a latest alarm display area for a first-level nuclear island and conventional island alarm interface, and classifying different alarm trigger signals; alarm trigger signals of the second level and the third level are distributed in a partition mode according to a principle that functions are similar, wherein key function partitions take key equipment and key functions of a power plant as a partition principle; the system partitions are classified by system codes; the latest alarm display area can display the latest 10 pieces of alarm information;
step 2, acquiring an alarm trigger signal;
acquiring an alarm trigger signal from a process control cabinet by using a data acquisition program;
step 3, triggering a third-level alarm interface by utilizing an alarm triggering signal;
providing a plurality of colors for a user to select by the mosaic blocks corresponding to the alarm trigger signals in the third-level alarm interface;
step 4, triggering the second-level alarm interface by utilizing a third-level alarm signal;
step 4.1, according to the triggering state of the third-level alarm signal, triggering the alarm signal of the corresponding content in the second-level alarm interface;
step 4.2, determining the color of the mosaic blocks in the corresponding alarm interface of the second level according to the color of the mosaic blocks set in the third level trigger signal;
step 5, triggering the first-level alarm interface by utilizing the second-level alarm signal;
step 5.1, triggering a key function in the first-level alarm interface or an alarm state of system alarm according to the trigger state of the second-level alarm signal;
and 5.2, the color of a certain mosaic block in the key function or system in the first alarm interface flickers and is determined by the color of the highest grade in the second-level alarm signal associated with the certain mosaic block in the first alarm interface.
2. The nuclear power plant digitized alarm grading and partitioning method according to claim 1, characterized in that: in the step 3, the specific steps of triggering the third-level alarm interface by using the alarm triggering signal are as follows:
when the alarm signal is 1, the corresponding mosaic block flickers according to a preset color; when the alarm signal is 0, the corresponding mosaic block is kept static, wherein the mosaic block can provide 5 colors, namely purple, green, red, yellow and white, and the grade represented by each color is gradually reduced.
3. The nuclear power plant digitized alarm grading and partitioning method according to claim 1, characterized in that: the specific steps of triggering the alarm signal with the corresponding content in the second-level alarm interface according to the triggering state of the third-level alarm signal and the alarm signal in the step 4.1 are as follows:
the triggering state of each mosaic block in the second stage is formed by combining the logical OR relationship of a plurality of alarm signals in the third stage, the triggering of the corresponding alarm signal state in the second stage is controlled after the triggering and the logical operation of the alarm signals in the third stage, and the triggering state is expressed by utilizing the flickering or the stillness of the mosaic blocks.
4. The nuclear power plant digitized alarm grading and partitioning method according to claim 1, characterized in that: the step 4.2 of determining the color of the mosaic block in the second-level corresponding alarm interface specifically comprises the following steps:
and determining the color displayed by mosaic flickering in the second-level alarm interface according to the highest-level color of the mosaic block in the third-level alarm signal associated with the triggering of the corresponding mosaic block in the second-level alarm interface.
5. The nuclear power plant digitized alarm grading and partitioning method according to claim 1, characterized in that: after the step 5, the method further comprises the following steps:
step 6, processing the alarm signal generated by the three-level alarm interface
When any alarming mosaic block which is flickering on the alarming interface is clicked, the alarming mosaic block is changed into a normally bright state from flickering, and other non-clicked alarms on the current interface still keep the original state; when the trigger source triggering the alarm disappears, the normally-on alarm flickers again, the frequency of the flickering is lower than that of the flickering triggered by the alarm, the flickering normally-on alarm mosaic block is clicked, the alarm is cancelled, and the color returns to the initial state.
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| CN112447308A (en) * | 2019-08-30 | 2021-03-05 | 海南核电有限公司 | Early warning system for avoiding shutdown and shutdown of unit |
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| US5227121A (en) * | 1989-11-02 | 1993-07-13 | Combustion Engineering, Inc. | Advanced nuclear plant control room complex |
| JP3445409B2 (en) * | 1995-06-12 | 2003-09-08 | 東芝システムテクノロジー株式会社 | Plant alarm monitoring device |
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