CN115616998A - Auxiliary disc inspection system, application method of auxiliary disc inspection system and application system - Google Patents
Auxiliary disc inspection system, application method of auxiliary disc inspection system and application system Download PDFInfo
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Abstract
The invention provides an auxiliary disc patrol system, an application method of the auxiliary disc patrol system, an application system, electronic equipment and a computer readable storage medium, wherein the auxiliary disc patrol system is connected with a unit DCS (distributed control System) in real time through a nuclear power plant office network PI (proportional integral) database to obtain state parameters and operation data of the nuclear power plant unit; judging whether the unit is in a power operation condition under a first preset condition; if yes, carrying out abnormal recognition on the patrol state parameters in the operation process of the nuclear power plant, and obtaining patrol monitoring results of the state parameters of each system of the nuclear power plant; according to the patrol monitoring result, the development change trend of the abnormal parameters of the nuclear power unit is predicted for a long time, and a trend prediction result of the abnormal parameters is obtained; and pushing auxiliary decision information corresponding to the abnormal parameters of the unit. The technical scheme can reduce the workload of operators, effectively improve the working efficiency of the patrol, and reduce the probability that operators cannot identify early abnormity of the unit operation parameters in advance.
Description
Technical Field
The invention relates to the technical field of nuclear power informatization construction, in particular to an auxiliary patrol system, an application method of the auxiliary patrol system, an application system of the auxiliary patrol system, electronic equipment and a computer readable storage medium.
Background
At present, most of nuclear power plants adopt a Digital Control System (DCS) to monitor the state change of each operating state parameter of a unit in real time, and an Operator pays attention to an alarm System on a main Control room computer workstation (OWP) and performs regular monitoring (namely regular disk patrol) based on various monitoring interfaces on a workstation screen to complete the operation monitoring task of the nuclear power plant. The alarm system is mainly used for giving out sound and light alarm to indicate an operator to pay attention to after the operation state parameter of the power plant breaks through an alarm threshold value; the regular patrol refers to that an operator analyzes the change trend of the operation state parameters through a patrol monitoring interface on a work station screen of a main control room before the operation parameters of the power plant break through the alarm threshold value, monitors the overall operation state of the unit and finds hidden dangers as soon as possible so as to avoid the unit from entering a fault operation condition.
However, the nuclear power plant has a large scale and numerous unit operation state parameters, and in the process of 'regularly patrolling' an operator in a master control room, a large number of parameters fluctuating along with the unit operation state are monitored, so that the problems of difficulty in early recognition of abnormal state parameters and difficulty in risk prediction and evaluation exist; therefore, a corresponding auxiliary system with functions of early abnormal recognition and risk trend prediction is urgently needed to be developed, and because the existing power plant operation management system is quite closed, after the corresponding system is developed, how to integrate the existing power plant operation management system is completed, the system is matched with a master control room operator to complete the patrol work of the state parameters of the nuclear power plant process system, and the corresponding adjustment and change are carried out on the work flow related to the patrol of the power plant master control room, so that the work load of operators is reduced; the method ensures that the traditional master control room operator patrol rule is matched and fused with an intelligent system, reduces the probability that the operator cannot identify the early abnormity of the unit operation parameters in advance due to human errors or weak signs, and is a problem to be solved urgently at present.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, and provides an auxiliary patrol system, an application method of the auxiliary patrol system, an application system of the auxiliary patrol system, an electronic device and a computer readable storage medium, which can effectively prolong the regular patrol time interval of a master control room operator, reduce the workload of operators, effectively improve the patrol working efficiency and reduce the probability that the operators cannot identify early abnormity of unit operation parameters in advance due to human errors or weak signs.
In a first aspect, the present disclosure provides an auxiliary patrol system, the system comprising:
the data access module is connected with the set digital instrument control system DCS in real time through a nuclear power plant office network PI database and is used for acquiring state parameters and operation data of the nuclear power plant set;
the judging module is used for judging whether the unit is in the power operation condition under the first preset condition according to the preset unit operation condition judging condition;
the intelligent detection module is used for performing abnormal recognition on the patrol disc state parameters in the operation process of the nuclear power plant under the condition that the judging module judges that the unit meets the power operation working condition under the first preset condition, and obtaining patrol disc monitoring results of the state parameters of each system of the nuclear power plant;
the trend prediction module is used for predicting the development and change trend of the abnormal parameters of the nuclear power unit for a long time according to the patrol monitoring result and obtaining a trend prediction result of the abnormal parameters;
and the information pushing module is used for pushing auxiliary decision information corresponding to the abnormal parameters of the unit according to the trend prediction result.
Further, the power operation condition under the first preset condition includes:
the loop pressure P, the loop average temperature T and the nuclear power Pn respectively meet the following conditions: p is more than or equal to 15.4MPa and less than or equal to 15.6MPa, T is more than or equal to 291.4 ℃ and less than or equal to 310 ℃, and Pn is more than or equal to 25% and less than or equal to 100%.
Further, the patrol monitoring result includes: a real-time monitoring curve of the disc state parameter, a system primary early warning signal, an abnormal disc state parameter position number and abnormal occurrence time;
the trend prediction result comprises: the abnormal patrol state parameter operation state development trend prediction curve, the time expected to possibly break through the design limit value and a system 'secondary early warning' signal.
In a second aspect, the present disclosure provides an application method of an auxiliary patrol system, where the method includes:
checking whether the current operation working condition of the unit is the applicable working condition of the auxiliary inspection system;
if so, carrying out preset operation conformance check on the auxiliary patrol system;
and if the operation conformance check is passed, sending an auxiliary patrol starting instruction to the auxiliary patrol system, so that the auxiliary patrol system performs abnormity early warning and trend risk prediction on unit state parameters, and instructing a main control room operating end to perform unit patrol according to a preset auxiliary patrol regulation and recording the operation states of the unit and the auxiliary patrol system.
Further, the checking the preset operation compliance of the auxiliary patrol system includes:
when a digital instrument control system (DCS) alarm system of the unit does not send out a parameter alarm, checking whether the display state of the auxiliary patrol system accords with the actual state of the unit or not within a first preset time when parameters of each operation state of the unit stably operate, and if so, determining that the conformance check of the auxiliary patrol system under the condition of no alarm passes;
when a unit DCS alarm system sends out a parameter alarm, whether a unit state parameter abnormal early warning sent out by the auxiliary patrol system corresponds to an existing alarm parameter of the DCS alarm system or not and whether a display state of the auxiliary patrol system accords with an actual unit operation state or not are checked within second preset time of operation of the auxiliary patrol system, if so, the unit state parameter abnormal early warning is recorded and shielded, and the conformity check of the auxiliary patrol system under the alarm condition is confirmed to be passed;
if the conformity check of the auxiliary patrol system under the condition of no alarm and the condition of alarm passes, determining that the operation conformity check of the auxiliary patrol system passes, otherwise, determining that the operation conformity check of the auxiliary patrol system does not pass.
Further, the method further comprises:
and if the current operation working condition of the unit is other operation working conditions except the working condition suitable for the auxiliary plate patrol system, sending an operation quit instruction to the auxiliary plate patrol system, and indicating the main control room operation end to carry out the unit plate patrol according to a preset regular plate patrol mode.
Further, the method for enabling the auxiliary patrol system to perform abnormal early warning and trend risk prediction of the unit state parameters includes:
during the normal operation of the nuclear power unit, when only the auxiliary patrol system sends out abnormal unit state parameter early warning, the operation end of the main control room is instructed to pay attention to the operation state of the early warning parameters, noise reduction confirmation is carried out, and the abnormal state of the unit state parameters is verified to determine whether real early warning exists or not;
during the normal operation of the nuclear power generating unit, when the auxiliary patrol system sends out abnormal unit state parameter early warning and the DCS alarm system also sends out parameter alarm, the main control room operation end is instructed to preferentially process the triggered DCS alarm, and the main control room operation end is instructed to check the unit state parameter early warning information sent out by the auxiliary patrol system;
during the normal operation of the nuclear power unit, the auxiliary patrol system is instructed to record the operation states of the unit and the auxiliary patrol system periodically, so that a master control operator can know the overall operation states of the unit and the auxiliary patrol system periodically and synchronously.
Further, the method further comprises:
if the auxiliary patrol system has unplanned system quit, recording the current running state of the unit as the last recorded running state in a preset auxiliary patrol regulation, and simultaneously indicating an operating end of a main control room to switch the patrol work of the unit to a preset regular patrol mode;
if the auxiliary patrol system is abnormal in function and needs to be closed, recording the current states of the unit and the auxiliary patrol system according to preset requirements, performing preparation work before the auxiliary patrol system is closed, and sending an operation quitting instruction to the auxiliary patrol system after confirming that the influence of the auxiliary patrol system on the unit operation is eliminated;
if the auxiliary patrol system is closed according to plan requirements under the condition of normal functions, the preparation work before the auxiliary patrol system is closed is carried out, and after the influence of the auxiliary patrol system on the unit operation is confirmed to be eliminated, an operation quitting instruction is sent to the auxiliary patrol system.
Further, the preparation work before the auxiliary patrol system is closed comprises the following steps:
switching the patrol operating mode of the unit to a preset regular patrol mode;
declaring the auxiliary patrol system to be invalid.
Further, instruct the master control room operation end to carry out unit patrol and record the unit according to the supplementary rule of patrolling a quotation of presetting with the running state of supplementary system of patrolling a quotation includes:
adding early warning state information in each state parameter record item of an inspection record table of the auxiliary inspection rule, wherein the early warning state information comprises normal operation, primary early warning, secondary early warning and real early warning, so as to indicate a main control room operating end to periodically record the early warning state information of each state parameter based on a monitoring result of the auxiliary inspection system when the auxiliary inspection system operates;
adding a state recording table of the auxiliary patrol system in the patrol regulation, and during normal operation of the nuclear power plant, indicating an operating end of a main control room to record the operating state of the auxiliary patrol system, wherein the state recording table comprises: normal operation of the system, system abnormity and system offline;
and indicating the operating end of the master control room to finish the disc patrol recording of the unit under the disc patrol condition according to the preset frequency.
In a third aspect, the present disclosure further provides an application system of an auxiliary patrol system, where the application system includes:
the first checking module is used for checking whether the current operation working condition of the unit is the applicable working condition of the auxiliary patrol system;
the second checking module is arranged for checking the preset operation conformity of the auxiliary patrol system if the current operation working condition of the unit checked by the first checking module is the applicable working condition of the auxiliary patrol system;
and the operation module is set to send an auxiliary patrol indication to the auxiliary patrol system if the result checked by the second checking module passes the operation conformity check of the auxiliary patrol system, so that the auxiliary patrol system can perform abnormity early warning and trend risk prediction of the unit state parameters, and indicate the main control room operating end to perform unit patrol according to a preset auxiliary patrol rule and record the unit and the operation state of the auxiliary patrol system
In a fourth aspect, the present disclosure provides an electronic device, including a memory and a processor, where the memory stores a computer program, and when the processor runs the computer program stored in the memory, the processor executes the method for applying the auxiliary patrol system according to any one of the second aspects.
In a fifth aspect, the present disclosure provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the application method of the auxiliary patrol system according to any one of the second aspects.
Has the advantages that:
the auxiliary patrol system, the application method of the auxiliary patrol system, the application system, the electronic equipment and the computer readable storage medium provided by the disclosure can realize intelligent auxiliary patrol of a nuclear power plant master control room, can effectively prolong the regular patrol time interval of a master control room operator, and can reduce the workload of operators; by applying the auxiliary patrol disk, when the unit state parameters are potentially abnormal, an operator can be instructed to pay attention through acousto-optic early warning, the patrol disk working efficiency of the operator in the master control room of the nuclear power plant is effectively improved, and the probability that the operator cannot identify the early abnormity of the unit operation parameters in advance due to human errors or weak signs is reduced; the intelligent auxiliary patrol system for the nuclear power plant master control room is realized by the scheme, an operator is closely matched with the auxiliary patrol system, the auxiliary patrol system is effectively integrated into the existing power plant operation management system, the maximum benefit is fully exerted, the efficient auxiliary master control room operator patrols the disc, the operator has more energy to pay attention to other important works, and a technical basis is laid for optimizing the number of operators in the nuclear power plant master control room in the future.
Drawings
Fig. 1 is an architecture diagram of an auxiliary disk patrol system according to an embodiment of the present invention;
fig. 2 is a design diagram of a physical architecture of an auxiliary disk patrol system according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of an application method of an auxiliary disk patrol system according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of an overall operation mode of an intelligent auxiliary patrol system according to a second embodiment of the present invention;
fig. 5 is a diagram of a master control room operator intelligent patrol schedule provided in the second embodiment of the present invention;
fig. 6 is a schematic diagram of a starting process of the auxiliary patrol system according to a third embodiment of the present invention;
FIG. 7 is a schematic diagram of an intelligent auxiliary patrol process of state parameters of a nuclear power generating unit process system according to a third embodiment of the present invention;
fig. 8 is a schematic view of a shutdown process of the auxiliary patrol system according to the third embodiment of the present invention;
fig. 9 is a schematic structural diagram of an application system of an auxiliary patrol system according to a fourth embodiment of the present invention;
fig. 10 is an architecture diagram of an electronic device according to a fifth embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the present disclosure is further described in detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments and figures described herein are merely illustrative of the invention and are not to be considered as limiting.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; also, the embodiments and features of the embodiments in the present disclosure may be arbitrarily combined with each other without conflict.
In which the terminology used in the embodiments of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
In the following description, suffixes such as "module", "component", or "unit" used to indicate elements are used only for facilitating the explanation of the present disclosure, and have no particular meaning in themselves. Thus, "module", "component" or "unit" may be used mixedly.
The following detailed description is given by specific embodiments of the technical scheme of the disclosure and how to solve the problems that early abnormality identification and risk prediction evaluation are difficult in the process of nuclear power plant patrol, and how to effectively integrate an auxiliary patrol system into the existing power plant operation management system to complete patrol of state parameters of a nuclear power plant process system in cooperation with a master control room operator, so as to reduce the workload of operators and reduce the probability that the operators fail to identify early abnormality of unit operation parameters in advance due to human errors or weak signs. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is an architecture diagram of an auxiliary patrol system provided in an embodiment of the present disclosure, and as shown in fig. 1, the auxiliary patrol system includes:
the data access module 11 is connected with the machine set digital instrument control system DCS in real time through a nuclear power plant office network PI database and is used for acquiring state parameters and operation data of the nuclear power plant machine set;
the judging module 12 is configured to judge whether the unit is in a power operation condition under a first preset condition according to a preset unit operation condition judging condition;
the intelligent detection module 13 is configured to perform exception identification on the patrol disc state parameters in the operation process of the nuclear power plant under the condition that the judgment module 12 judges that the unit meets the power operation working condition under the first preset condition, and obtain patrol disc monitoring results of the state parameters of each system of the nuclear power plant;
the trend prediction module 14 is used for predicting the development change trend of the abnormal parameters of the nuclear power unit for a long time according to the patrol monitoring result and obtaining a trend prediction result of the abnormal parameters;
and the information pushing module 15 is configured to push auxiliary decision information corresponding to the unit abnormal parameter according to the trend prediction result.
The physical architecture design of the auxiliary patrol system provided by the embodiment is shown in fig. 2, and the auxiliary patrol system is also called an intelligent auxiliary patrol system or an intelligent patrol system; the PI database in the nuclear power plant office network is connected with and stores DCS data of the unit in real time, and the intelligent auxiliary patrol system acquires the operation data of main state parameters of the key process system from the PI database of the power plant through the data access module 11 in real time so as to support display of relevant application contents of the intelligent auxiliary patrol system terminal.
When the data is accessed, the design data is accessed besides the process data; the process data is real-time monitoring data of main state parameters of the key process system of the nuclear power plant, and the design data is design files such as an alarm response procedure, a preventive maintenance plan and the like corresponding to the main state parameters of the key process system of the nuclear power plant, and the design data is input and stored in the auxiliary patrol system.
The judging module 12 judges whether the unit is in a power operation condition which is applicable to the system and meets a first preset condition based on the unit operation condition judging condition in the nuclear power plant operation technical file, the power operation condition meeting the first preset condition can be set to be more than 25% of the power operation condition, and if the unit is in other operation conditions, the system automatically quits operation.
The intelligent detection module 13 constructs an intelligent monitoring model of the main patrol parameter of the nuclear power plant based on intelligent technologies such as a self-associative neural network algorithm and the like, acquires a state estimation value of the parameter as a monitoring scale, and sets a dynamic threshold value band according to a difference value between a measured value of the parameter and the state estimation value, so as to realize timely and accurate identification of the abnormality of the main patrol parameter in the operation process of the nuclear power plant and obtain patrol monitoring results of the main state parameters of the key process system of the nuclear power plant, wherein the patrol monitoring results comprise a parameter real-time monitoring curve, a system 'first-level early warning' signal, an abnormal parameter bit number and abnormality occurrence time.
The trend prediction module 14 constructs a time sequence prediction model of main patrol parameters of the nuclear power plant based on intelligent technologies such as a long-term and short-term memory neural network algorithm and the like, obtains a development trend of 30 minutes in the future based on historical data information of the parameters, and realizes long-term prediction of development and change trends of abnormal parameters of the nuclear power unit, including an abnormal parameter operation state development trend prediction curve, time for predicting possible breakthrough of design limit values and a system 'secondary early warning' signal.
The information pushing module 15 pushes auxiliary decision information related to the unit abnormal parameter, including information about abnormal reasons and processing measures related to the alarm response protocol file, and information about whether a related maintenance plan exists in the unit preventive maintenance plan.
Furthermore, the auxiliary patrol system also comprises an application module 16, the application module is supported based on basic data and an intelligent analysis algorithm, and the intelligent auxiliary patrol system application of the main state parameters of the key process system of the nuclear power plant is realized through the visual output and interaction of a system terminal interface, and comprises the unit patrol state monitoring and the risk trend prediction of abnormal parameters.
The function of the auxiliary patrol system is mainly to set an abnormal early recognition function aiming at the main state parameters of the key process systems of the nuclear power plant, and the abnormal early recognition function is used as the first-stage early warning of the system. When the dynamic operation trend of the main state parameters of the key process system of the nuclear power plant has small deviation, triggering a primary early warning of an intelligent patrol system, sending out a light-color acousto-optic prompt, prompting an operator in a master control room to pay attention in advance, and improving the patrol monitoring efficiency of the operator; and (c) a second step of,
and setting a trend risk prediction function aiming at the abnormal state parameters identified by the system to serve as a 'secondary early warning' of the system. When the main state parameters of the key process systems of the nuclear power plant are abnormal, the primary early warning of the intelligent patrol system is triggered, meanwhile, the system can automatically predict the risk change trend of the corresponding parameters, if the risk of breaking through the threshold value of the existing alarm system exists within 30 minutes, the secondary early warning of the intelligent patrol system is triggered, a dark color acousto-optic prompt is sent out, an operator in a main control room is prompted to pay attention to the system, maintenance measures are taken timely, the state of an early warning unit is deteriorated, and the safety and the economy of the operation of the nuclear power plant are improved.
Further, the power operation condition under the first preset condition includes:
the loop pressure P, the loop average temperature T and the nuclear power Pn respectively meet the following conditions: p is more than or equal to 15.4MPa and less than or equal to 15.6MPa, T is more than or equal to 291.4 ℃ and less than or equal to 310 ℃, and Pn is more than or equal to 25% and less than or equal to 100%.
The power operation condition can be set to be more than 25% under the condition of meeting the first preset condition; the discrimination conditions of the unit operation conditions are as follows in Table 1
Table 1: judging condition of unit operation condition
The auxiliary patrol system disclosed by the embodiment of the disclosure can solve the problems that abnormity early identification and risk prediction and evaluation are difficult in the patrol process of a nuclear power plant master control room operator, improves patrol efficiency of the nuclear power plant master control room operator, reduces working pressure of operators, avoids human errors, and improves accuracy and timeliness of unit abnormal state evaluation.
Fig. 3 is a schematic flowchart of an application method of an auxiliary patrol system according to a second embodiment of the present disclosure, and as shown in fig. 3, the method includes:
step S001: checking whether the current operation working condition of the unit is the applicable working condition of the auxiliary patrol system;
step S002: if so, carrying out preset operation conformance check on the auxiliary patrol system;
step S003: and if the operation conformance check is passed, sending an auxiliary patrol starting instruction to the auxiliary patrol system, so that the auxiliary patrol system performs abnormity early warning and trend risk prediction on the unit state parameters, and instructing a master control room operator to perform unit patrol according to a preset auxiliary patrol regulation and recording the operation states of the unit and the auxiliary patrol system.
In order to ensure that the operating state of the nuclear power plant meets the requirements of technical specifications, guide rules and relevant operating regulations, an operator in a main control room needs to monitor the state change of each operating state parameter of the unit in real time, but the operator in the main control room has large workload of regular patrol, occupies more energy, has higher fatigue degree of personnel, and is easy to generate the situations of missed judgment and erroneous judgment caused by failure to effectively identify abnormal parameter trends in time. After the abnormal state parameters are monitored by the patrol, the influence of the abnormal state on the operation safety of the nuclear power plant needs to be evaluated as early as possible based on experience knowledge of operators, an operation and maintenance strategy is drawn up according to the estimated influence condition, and due to the complexity of the nuclear power unit, the accuracy and timeliness requirements of evaluation on the abnormal state influence trend of the nuclear power plant are difficult to meet due to the knowledge, experience and reliability of the operators. In order to improve the work efficiency of the nuclear power plant master control room operator, reduce the operation burden of the master control operator and avoid human errors, automatic intelligent identification is a feasible scheme through an intelligent auxiliary nuclear power plant master control room disc inspection system (intelligent auxiliary disc inspection system or auxiliary disc inspection system for short), and the intelligent auxiliary nuclear power plant master control room disc inspection system is mainly used for abnormal early warning and trend risk prediction of 6 types of state parameters including temperature, pressure, liquid level, flow, pump rotating speed and vibration effective values in 22 key process systems such as a reactor coolant system under the normal operation working condition of a nuclear power plant. The intelligent auxiliary patrol system is provided with two-stage early warning, and when the residual error between the pre-estimated state curve and the actually-measured state curve of the intelligent auxiliary patrol system of the parameters exceeds the dynamic early warning threshold interval, the system is triggered to carry out 'one-stage early warning'; and when the development trend prediction curve of the parameters corresponding to the first-stage early warning is displayed and the risk of breaking through the alarm threshold value exists within 30 minutes, triggering the second-stage early warning of the system. When the abnormal early warning of the unit state parameters of the intelligent auxiliary patrol system is triggered, the system sends out a sound and light prompt to prompt a master control room operator to pay attention, so that the intelligent auxiliary patrol of the master control room is realized, the regular patrol time interval of the master control room operator is effectively prolonged, and the patrol work efficiency of the master control room operator of the nuclear power plant is effectively improved. How to effectively integrate the intelligent auxiliary patrol system into the existing power plant operation management system, and to complete patrol work of state parameters of a nuclear power plant process system in cooperation with a master control room operator, so that the workload of the operator is reduced; and during the normal operation of the unit, after the intelligent auxiliary patrol system is applied in the master control room, how to ensure that the traditional patrol regulation of the master control room operator is matched and fused with the intelligent auxiliary patrol system reduces the probability that the operator cannot identify the early abnormity of the unit operation parameters in advance due to human errors or weak symptoms, and becomes a new problem to be solved urgently.
The intelligent auxiliary patrol system is developed only, the patrol working efficiency of a nuclear power plant master control room operator cannot be effectively improved, the system must be integrated and deployed in a master control room operating system of a power plant, corresponding adjustment and change are carried out on the organization mode related to the patrol of the power plant master control room and the work flow of the operator, and the function of the intelligent auxiliary patrol system can be fully utilized. The intelligent auxiliary patrol system of the current nuclear power plant master control room has no corresponding use strategy,
the overall operation mode of the auxiliary patrol system application is shown in fig. 4, and through data access of a power plant, the auxiliary patrol system performs data analysis including working condition judgment, intelligent monitoring, trend prediction and information pushing, and then performs the application of the auxiliary patrol system including unit patrol state monitoring and abnormal trend risk prediction, and performs corresponding processing by a patrol terminal workstation.
The embodiment of the disclosure assists the master control room operator to patrol the nuclear power plant by deploying the auxiliary patrol system beside the master control room workstation of the pressurized water reactor nuclear power plant under the condition of not influencing the operation function of the DCS system of the nuclear power plant. Through the cooperation of an operator and an intelligent auxiliary patrol system, the intelligent patrol system for the process system to patrol the disc state parameters under the normal operation condition of the nuclear power plant is realized, the patrol work efficiency of the operator in a master control room of the nuclear power plant is improved, the work burden of operators is reduced, and human errors are avoided.
Before the auxiliary inspection system is on line, the inspection work before system access needs to be carried out, and after the inspection is passed and the system is confirmed to operate normally, the 'auxiliary inspection system is declared to be on line formally'. The inspection work includes: checking the operation condition of the system, namely checking whether the current unit operation condition is a condition suitable for the auxiliary patrol system, such as the normal operation of the unit and the condition which does not need to be stopped (non-maintenance, non-fault condition and non-accident condition), checking an alarm system of the unit after determining that the current operation condition is the condition suitable for the intelligent auxiliary patrol system, checking whether the current unit DCS alarm system has parameter alarm, and if so, processing the alarm and marking and recording the corresponding parameter alarm; then, performing operation conformity check on the intelligent auxiliary inspection system, wherein the operation conformity check needs to determine whether the display state of the intelligent auxiliary inspection system conforms to the actual state of the unit, and can perform early warning on the abnormity of the state parameters of the unit and predict the trend risk; if the operation conformance check is passed, an auxiliary patrol starting instruction is sent to the auxiliary patrol system, the intelligent auxiliary patrol system is on line, the intelligent auxiliary patrol system performs abnormal early warning and trend risk prediction on the unit state parameters by correspondingly adjusting and changing the organization mode related to the patrol of the main control room and the work flow of an operator, and the operator in the main control room can patrol and record the operation states of the unit and the intelligent auxiliary patrol system according to the preset auxiliary patrol regulation.
The intelligent auxiliary patrol system can early warn the abnormity of the state parameters of the unit in real time, and in order to acquire the condition of the unit, the parameters and the state on the auxiliary patrol system need to be recorded, so that the traditional 'master control room operator patrol regulation' needs to be correspondingly adjusted, a preset auxiliary patrol regulation, namely the matched 'master control room operator intelligent patrol regulation', is provided, the new master control room operator intelligent patrol regulation can reduce the patrol frequency of an operator, and the 'recording' part is supplemented and adjusted, so that the master control room operator can patrol and record the running states of the unit and the intelligent auxiliary patrol system according to the preset master control room operator intelligent patrol regulation.
The intelligent auxiliary patrol system for the nuclear power plant master control room can effectively prolong the regular patrol time interval of a master control room operator, reduce the workload of operators, effectively improve the patrol working efficiency and reduce the probability that the operator fails to recognize the early abnormity of the unit operation parameters in advance due to human errors or weak signs.
Further, the checking the preset operation compliance of the auxiliary patrol system includes:
when a digital instrument control system (DCS) alarm system of the unit does not send out a parameter alarm, checking whether the display state of the auxiliary patrol system accords with the actual state of the unit or not within a first preset time when parameters of each operation state of the unit stably operate, and if so, determining that the conformance check of the auxiliary patrol system under the condition of no alarm passes;
when a unit DCS alarm system sends out a parameter alarm, in a second preset time of the operation of the auxiliary patrol system, checking whether a unit state parameter abnormity early warning sent out by the auxiliary patrol system corresponds to an existing alarm parameter of the DCS alarm system or not, and whether a display state of the auxiliary patrol system accords with an actual operation state of the unit or not, if so, recording and shielding the unit state parameter abnormity early warning, and determining that the conformance check of the auxiliary patrol system under the alarm condition passes;
and if the conformity check of the auxiliary patrol system under the condition of no alarm and the condition of alarm passes, determining that the operation conformity check of the auxiliary patrol system passes, otherwise, determining that the operation conformity check of the auxiliary patrol system does not pass.
The operation conformity inspection of the auxiliary patrol system can ensure that the intelligent auxiliary patrol system can correctly display the operation state of the unit, ensure that the alarm given by the intelligent auxiliary patrol system is real and effective, and prevent error alarm from being generated due to system problems or abnormal conditions from being identified in advance because the early warning is not given in time when the early warning is to be given. The system operation conformance checking specifically comprises the following steps:
when the DCS alarm system of the unit does not have parameter alarm, the parameters of each operation state of the unit stably operate within a first preset time, such as 30 minutes or 1 hour, an operator checks whether the display state of the intelligent auxiliary patrol system accords with the actual state of the unit, if the system still has abnormal early warning, the system is quitted, and a system maintenance engineer checks the system;
when a DCS (distributed control system) of the unit has parameter alarm, the system operates within a second preset time which can be the same as the first preset time, such as 30 minutes or 1 hour, an operator checks whether the abnormal early warning of the unit state parameters sent by the system corresponds to the existing alarm parameters and accords with the actual operation state of the unit, if so, the noise reduction treatment is firstly carried out, and the marking, recording and shielding are carried out on the part of the early warning; if not, the system is quitted and checked by a system maintenance engineer.
Further, the method further comprises:
and if the current operation working condition of the unit is other operation working conditions except the working condition suitable for the auxiliary patrol system, sending an operation quitting instruction to the auxiliary patrol system, and indicating an operator in a master control room to patrol the unit according to a preset regular patrol mode.
Other operating conditions outside the applicable operating mode include unit maintenance operating mode, trouble operating mode and accident condition etc. use the supplementary dish system of patrolling of intelligence this moment and can not reduce operator's work load, because the supplementary extra warning of the dish system of patrolling of intelligence needs to be handled on the contrary, extravagant manpower and materials, consequently is unsuitable for using the supplementary dish system of patrolling of intelligence, needs to patrol the dish according to denser artifical regular round dish mode.
Further, the method for enabling the auxiliary patrol system to perform abnormal early warning and trend risk prediction of the unit state parameters includes:
during the normal operation of the nuclear power unit, when only the auxiliary patrol disk system sends out unit state parameter abnormal early warning, an operator in a main control room is instructed to pay attention to the operation state of the early warning parameters, carry out silencing confirmation and verify the abnormal state of the unit state parameters so as to determine whether the unit state parameters are real early warning or not;
during the normal operation of the nuclear power generating unit, when the auxiliary patrol system sends out abnormal unit state parameter early warning and the DCS alarm system also sends out parameter alarm, indicating a main control room operator to preferentially process triggered DCS alarm and indicating the main control room operator to check unit state parameter early warning information sent out by the auxiliary patrol system;
during the normal operation of the nuclear power unit, the auxiliary patrol system is instructed to record the operation states of the unit and the auxiliary patrol system periodically, so that a master control operator can know the overall operation states of the unit and the auxiliary patrol system periodically and synchronously.
After the intelligent auxiliary patrol system is on line, a master control room operator cooperates with the intelligent auxiliary patrol system to carry out patrol work of state parameters of a nuclear power unit process system, and the specific working principle is as follows:
during the normal operation of the nuclear power generating unit, when abnormal early warning of the state parameters of the intelligent auxiliary patrol system is carried out, an operator can execute other work tasks related to the operation of a workstation power plant without paying attention to the system;
during normal operation of a nuclear power unit, when only an intelligent auxiliary patrol system sends out abnormal warning of unit state parameters, a coordinator of a main control room preferentially assigns an ROC operator to pay attention to the operation state of the warning parameters, the operator firstly carries out silencing confirmation, then verifies the abnormal state of the unit parameters, and determines whether real warning is available or not; if the real early warning is determined, processing is carried out according to the state parameters of the unit and the existing corresponding flow, and if the real early warning is not determined, the early warning is recorded.
During the normal operation of a nuclear power unit, when the abnormal early warning of the intelligent auxiliary patrol system and the DCS alarm occur simultaneously, an operator should preferentially process the triggered DCS alarm, and meanwhile, a coordinator of a main control room assigns an ROC operator or other related personnel to be responsible for checking unit state parameter early warning information sent by the intelligent auxiliary patrol system;
during the normal operation of the nuclear power unit, the system automatically records the operation states of the primary unit and the intelligent auxiliary patrol system according to a master control room operator intelligent patrol regulation so as to ensure that a master control operator regularly and synchronously knows the overall operation states of the unit and the system.
Therefore, the intelligent auxiliary patrol time interval of the master control room operator of the nuclear power plant can be effectively prolonged by the practical application of the intelligent auxiliary patrol time interval to the master control room of the nuclear power plant, and the workload of operators is reduced; when the unit state parameters are potentially abnormal, an operator can be instructed to pay attention through acousto-optic early warning, the work efficiency of the inspection plate of the operator of the main control room of the nuclear power plant is effectively improved, and the probability that the operator cannot recognize the early abnormality of the unit operation parameters in advance due to human errors or weak signs is reduced; and the intelligent auxiliary patrol system is effectively integrated into the existing power plant operation management system, the maximum benefit is fully exerted, and the efficient auxiliary main control room operator patrol is realized.
Further, the method further comprises:
if the auxiliary patrol system has unplanned system exit, recording the current running state of the unit as the running state recorded last time in a preset auxiliary patrol procedure, and simultaneously instructing an operator in a master control room to switch the patrol work of the unit to a preset regular patrol mode;
if the auxiliary patrol system is abnormal in function and needs to be closed, recording the current states of the unit and the auxiliary patrol system according to preset requirements, performing preparation work before the auxiliary patrol system is closed, and sending an operation quitting instruction to the auxiliary patrol system after confirming that the influence of the auxiliary patrol system on the unit operation is eliminated;
if the auxiliary patrol system is closed according to plan requirements under the condition of normal functions, the preparation work before the auxiliary patrol system is closed is carried out, and after the influence of the auxiliary patrol system on the unit operation is confirmed to be eliminated, an operation quitting instruction is sent to the auxiliary patrol system.
When the intelligent auxiliary patrol system of the master control room is applied, a corresponding strategy needs to be set for the halt of the intelligent auxiliary patrol system, the intelligent auxiliary patrol system is halted when the function of the intelligent auxiliary patrol system is abnormal, if the intelligent auxiliary patrol system of the master control room abnormally flashes and belongs to an unplanned system quit, the running state of the unit is recorded according to the last record in the patrol procedure, and meanwhile, an operator switches the patrol work of the unit to a traditional 'regular patrol' mode; or, when the intelligent auxiliary patrol system needs to be closed and taken off line due to the abnormal function of the intelligent auxiliary patrol system in the master control room, an operator needs to record the current states of the unit and the system according to the new requirement of the patrol regulation of the operator in the master control room, then perform preparation work before closing the system, confirm that the influence of the system on the unit operation is eliminated, and close the intelligent auxiliary patrol system. When the intelligent auxiliary inspection system is normally stopped, for example, when a unit is overhauled, a fault working condition and an accident working condition, the intelligent auxiliary inspection system needs to be closed and off-line. An operator in the main control room firstly performs preparation work before closing, and closes the intelligent auxiliary patrol system after confirming that the influence of the system on the operation of the unit is eliminated.
After the intelligent auxiliary inspection system is stopped, the normal regular inspection mode needs to be recovered, the intelligent auxiliary inspection mode can be in seamless connection with the regular inspection mode, and the situations that manual inspection cannot be performed in time due to the fact that the intelligent auxiliary inspection system is stopped, and misjudgment is missed due to the fact that parameter trend abnormity cannot be recognized effectively in time are prevented.
Further, the preparation work before the auxiliary patrol system is closed comprises the following steps:
switching the patrol working mode of the unit to a preset regular patrol mode;
declaring that the auxiliary patrol system is invalid.
Further, instruct the master-control room operator to carry out unit patrol and record the unit and the running state of the auxiliary patrol system according to the preset auxiliary patrol regulation, including:
adding early warning state information in each state parameter record item of an inspection record table of the auxiliary inspection rule, wherein the early warning state information comprises normal operation, primary early warning, secondary early warning and real early warning so as to indicate a master control room operator to regularly record the early warning state information of each state parameter based on a monitoring result of the auxiliary inspection system when the auxiliary inspection system operates;
increasing in the patrol rule the state record table of supplementary system of patrolling and examining, during nuclear power plant normal operating, instruct the master control room operator to record the running state of supplementary system of patrolling and examining includes: normal operation of the system, system abnormity and system offline;
and instructing an operator in the master control room to finish the disc-patrolling record of the unit under the disc-patrolling condition according to the preset frequency.
In order to ensure that the functions of the intelligent auxiliary patrol system are fully utilized during the normal operation of the unit, and the efficient patrol of operators in the auxiliary main control room needs to correspondingly adjust the traditional patrol regulation of operators in the main control room, the matched intelligent patrol regulation of operators in the main control room is provided. The traditional "master control room operator patrol regulation" includes information such as purpose, application range, definition, reference file, responsibility, program, record and chart, and the intelligent auxiliary patrol regulation "master control room operator intelligent patrol regulation" matched with the intelligent auxiliary patrol system mainly needs to supplement and adjust the part of "record", as shown in fig. 5, the specific technical requirements are as follows:
four record contents of 'normal operation', 'primary early warning', 'secondary early warning' and 'real early warning' are added in each state parameter record item of the patrol recording table of the patrol regulation of the master control room. During the normal operation of the nuclear power plant, an operator in a main control room regularly records the early warning state information of each inspection state parameter based on the monitoring result of the intelligent auxiliary inspection disk system;
and adding a state recording table of the intelligent auxiliary inspection system in the inspection rule of the master control room. During the normal operation of the nuclear power plant, an operator in a master control room records the operation state of the intelligent auxiliary patrol system, including 'normal operation of the system', 'abnormal operation of the system' and 'off-line operation of the system';
the regular disk-patrolling recording time of ' 1 hour/time ' in the original disk-patrolling regulation of the master control room operator is prolonged to ' 8 hours/time ' (shift time) ';
the unit operation parameters can be automatically recorded through an intelligent auxiliary patrol system and can be printed at any time.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, as shown in fig. 6 to 8, a third embodiment of the present disclosure provides an application method of an auxiliary disk patrol system to further describe the present invention in detail; the method comprises three parts, namely, starting an intelligent auxiliary patrolling system of a master control room, intelligently patrolling state parameters of a unit process system and stopping the intelligent auxiliary patrolling system of the master control room;
as shown in fig. 6, the starting of the intelligent auxiliary patrol system in the main control room comprises:
step S11: starting an intelligent auxiliary patrol system;
step S12: monitoring the system commissioning condition to determine whether the system is a normal operation condition suitable for the intelligent auxiliary patrol system of the master control room; if not, performing step S13, and if so, performing step S14;
step S13: exiting the system, and patrolling in a traditional 'periodical patrolling' mode;
step S14: detecting an alarm system of the unit, and determining whether the unit has DCS alarm; if not, go to step S18, if yes, go to step S15;
step S15: marking and recording corresponding DCS alarm parameters by an operator;
step S16: performing system operation conformance check, determining whether the intelligent auxiliary patrol system abnormity early warning corresponds to the existing DCS alarm parameters, if so, performing step S17, and if not, performing step S19;
step S17: the operator carries out silencing treatment on the early warning and carries out marking recording;
step S18: checking the system operation conformity, and determining whether the system display state conforms to the actual operation state of the unit; if yes, go to step S110, otherwise go to step S19;
step S19: the intelligent auxiliary patrol system quits the main control room, and a system maintenance engineer detects the system;
step S110: the operator announces that the intelligent auxiliary patrol system is on line formally.
As shown in fig. 7, the intelligent patrol of unit process system state parameters includes:
step S21: an operator cooperates with the intelligent auxiliary patrol system to carry out state parameter patrol of the unit process system;
step S22: determining that the intelligent auxiliary patrol system sends out unit state parameter abnormity early warning, if not, performing step S23, and if so, performing step S24;
step S23: an operator does not need to pay attention to the intelligent patrol system and executes other work tasks;
step S24: judging whether an alarm system of the unit sends out DCS alarm or not; if not, go to step S25, if yes, go to step S26;
step S25: the coordinator preferentially assigns an ROC operator to pay attention to the early warning parameter running state, and performs step S28;
step S26: the operator preferentially processes the triggered DCS alarm;
step S27: the coordinator assigns an ROC operator or other related personnel to pay attention to the operation state of the early warning parameter;
step S28: firstly, an operator performs silencing confirmation and then verifies the abnormal state of the unit parameters;
step S29: and (5) contacting the unit operator to maintain and process the abnormal state.
As shown in fig. 8, the intelligent auxiliary patrol system in the main control room is shut down and includes:
step S31: determining whether the intelligent auxiliary patrol system functions normally, if not, performing step S32, and if so, performing step S36;
step S32: judging whether the intelligent auxiliary disc inspection system is flashed back or not; if so, go to step S33, otherwise, go to step S35
Step S33: the running state of the unit is based on the last record in the disk patrol procedure;
step S34: the operator switches the patrol work of the unit to a traditional 'periodical patrol' mode and ends;
step S35: recording the current states of the unit and the system by an operator according to a new requirement of a master control room operator patrol regulation; and step S37 is performed;
step S36: judging whether the unit is about to enter a specific working condition, if so, performing step S37, and if not, not stopping the operation;
step S37: an operator switches the patrol work of the unit to a traditional 'periodical patrol' mode;
step S38: the operator declares that the intelligent auxiliary patrol system is invalid;
step S39: the operator closes the sound lift of the intelligent auxiliary patrol system;
step S310: and closing the intelligent auxiliary patrol system.
The following describes the present embodiment in detail by taking an example of an intelligent auxiliary patrol of a main control room for process system state parameters during normal operation of a pressurized water reactor nuclear power plant.
Firstly, an operator in a master control room starts an intelligent auxiliary patrol system, and system check before system access is carried out according to the intelligent auxiliary patrol technical requirement of the master control room:
checking the system commissioning condition: the operator checks whether the current unit operation condition is a normal operation condition suitable for the system or not, and the current unit operation condition is confirmed to be the normal operation condition suitable for the system;
checking an alarm system of the unit: an operator checks whether a DCS alarm system of the current unit has parameter alarm, and the current unit has no DCS alarm after checking;
and (3) checking the running conformity of the system: and in 30 minutes of stable operation of each operation state parameter of the unit, an operator checks whether the display state of the intelligent auxiliary patrol system accords with the actual state of the unit, and after checking, the system stably operates within 30 minutes of stable operation of the unit without early warning and accords with the actual operation state of the unit.
After the system is confirmed to normally operate, an operator declares that the intelligent auxiliary inspection system is on line formally; after the intelligent auxiliary patrol system is on line, the patrol work of the state parameters of the nuclear power unit process system is carried out by the cooperation of a master control room operator and the intelligent auxiliary patrol system, and the method specifically comprises the following steps:
the unit is in the normal operating mode, the intelligent auxiliary patrol system temporarily has no abnormal early warning, an operator in a main control room pays close attention to other monitoring systems of a workstation or executes other work tasks related to the operation of a power plant of the workstation, and the system automatically records the operating states of the unit and the intelligent auxiliary patrol system, including the numerical value, the operating state, the early warning state and the alarming state of a patrol state parameter of a process system and the operating state of the intelligent auxiliary patrol system, so that the operator can regularly and synchronously know the overall operating states of the unit and the intelligent auxiliary patrol system;
the method comprises the following steps that when a unit is in a normal operation condition, an intelligent auxiliary patrol system sends out unit state parameter abnormity early warning, a coordinator in a main control room assigns an ROC operator to pay attention to an operation state of an early warning parameter, the operator firstly carries out silencing confirmation, and then verifies the abnormal state of unit parameters;
according to a plan, the unit is about to enter a overhaul working condition, and the intelligent auxiliary inspection system needs to be closed off; the master control room operator carries out preparation work before closing the system according to the 'general use principle of the intelligent auxiliary patrol system in the master control room':
an operator in a main control room switches the operation of the patrol of the unit to a traditional 'periodical patrol' mode;
the operator in the master control room declares that the intelligent auxiliary patrol system is invalid;
an operator in the master control room closes the related voice indication of the intelligent auxiliary patrol system;
and after confirming that the influence of the system on the unit operation is eliminated, the operator in the main control room closes the intelligent auxiliary patrol system.
In the supplementary quotation system use that patrols of whole master control room intelligence, the supplementary quotation system that patrols of intelligence is effectual to be merged into current power plant operation management system, closely with the master control room operator cooperation, fully gives play to the maximum benefit, and accurate efficient supplementary operator patrols the quotation work, promotes operator's the work efficiency of patrolling the quotation, alleviates operation personnel's work burden. The technical scheme disclosed by the invention has very obvious effect on improving the safety and the economy of the operation of the nuclear power plant.
Fig. 9 is an architecture diagram of an application system of an auxiliary patrol system according to a fourth embodiment of the present disclosure, as shown in fig. 9, including:
the first checking module 21 is configured to check whether the current operation condition of the unit is an applicable condition of the auxiliary patrol system;
the second checking module 22 is configured to perform preset operation conformance checking on the auxiliary inspection system if the first checking module 21 checks that the current operation condition of the unit is the applicable condition of the auxiliary inspection system;
and the operation module is set to send an auxiliary patrol indication to the auxiliary patrol system if the result checked by the second checking module 22 is that the operation conformity check of the auxiliary patrol system passes, so that the auxiliary patrol system can perform abnormity early warning and trend risk prediction of the unit state parameters, and instruct the operating end of the main control room to perform unit patrol according to a preset auxiliary patrol rule and record the unit and the operation state of the auxiliary patrol system
Further, the second checking module 22 is specifically configured to:
when a digital instrument control system (DCS) alarm system of a unit does not send out a parameter alarm, checking whether the display state of the auxiliary patrol system accords with the actual state of the unit or not within a first preset time when parameters of each operation state of the unit stably operate, and if so, determining that the conformance check of the auxiliary patrol system under the condition of no alarm passes;
when a unit DCS alarm system sends out a parameter alarm, whether a unit state parameter abnormal early warning sent out by the auxiliary patrol system corresponds to an existing alarm parameter of the DCS alarm system or not and whether a display state of the auxiliary patrol system accords with an actual unit operation state or not are checked within second preset time of operation of the auxiliary patrol system, if so, the unit state parameter abnormal early warning is recorded and shielded, and the conformity check of the auxiliary patrol system under the alarm condition is confirmed to be passed;
and if the conformity check of the auxiliary patrol system under the condition of no alarm and the condition of alarm passes, determining that the operation conformity check of the auxiliary patrol system passes, otherwise, determining that the operation conformity check of the auxiliary patrol system does not pass.
Further, the application system further includes:
and the quitting indication module 24 is set to send a quitting operation indication to the auxiliary patrol system and indicate the main control room operating terminal to patrol the unit according to a preset periodical patrol mode if the current operation working condition of the unit checked by the first checking module 21 is other operation working conditions except the applicable working condition of the auxiliary patrol system.
Further, the method for enabling the auxiliary patrol system to perform abnormal early warning and trend risk prediction of the unit state parameters includes:
during the normal operation of the nuclear power unit, when only the auxiliary patrol system sends out abnormal unit state parameter early warning, the operation end of the main control room is instructed to pay attention to the operation state of the early warning parameters, noise reduction confirmation is carried out, and the abnormal state of the unit state parameters is verified to determine whether real early warning exists or not;
during the normal operation of the nuclear power generating unit, when the auxiliary patrol system sends out abnormal unit state parameter early warning and the DCS alarm system also sends out parameter alarm, the main control room operation end is instructed to preferentially process the triggered DCS alarm, and the main control room operation end is instructed to check the unit state parameter early warning information sent out by the auxiliary patrol system;
during the normal operation of the nuclear power unit, the auxiliary patrol system is instructed to record the operation states of the unit and the auxiliary patrol system periodically, so that a master control operator can know the overall operation states of the unit and the auxiliary patrol system periodically and synchronously.
Further, the application system further comprises a shutdown processing module 25, wherein the shutdown processing module 25 is configured to:
if the auxiliary patrol system has unplanned system quit, recording the current running state of the unit as the last recorded running state in a preset auxiliary patrol regulation, and simultaneously indicating an operating end of a main control room to switch the patrol work of the unit to a preset regular patrol mode;
if the auxiliary patrol system is abnormal in function and needs to be closed, recording the current states of the unit and the auxiliary patrol system according to preset requirements, performing preparation work before the auxiliary patrol system is closed, and after confirming that the influence of the auxiliary patrol system on the unit operation is eliminated, enabling the quit indication module 24 to send a quit operation indication to the auxiliary patrol system;
if the auxiliary patrol system is closed according to plan requirements under the condition of normal functions, the preparation work before the auxiliary patrol system is closed is carried out, and after the influence of the auxiliary patrol system on the unit operation is eliminated, the quit indication module 24 sends a quit operation indication to the auxiliary patrol system.
Further, the preparation work before the intelligent auxiliary patrol system is closed comprises:
switching the patrol working mode of the unit to a preset regular patrol mode;
declaring the auxiliary patrol system to be invalid.
Further, the operation module 23 is specifically configured to:
adding early warning state information in each state parameter record item of an inspection record table of the auxiliary inspection regulation, wherein the early warning state information comprises normal operation, primary early warning, secondary early warning and real early warning so as to indicate a main control room operating end to periodically record the early warning state information of each state parameter based on a monitoring result of the auxiliary inspection system when the auxiliary inspection system operates;
increase in the patrol round of rule the supplementary state record table of patrolling and examining the system, during nuclear power plant normal operating, instruct the master control room operation end to record the running state of supplementary patrol round of system includes: normal operation of the system, system abnormity and system offline;
and indicating the operating end of the master control room to finish the disc patrol recording of the unit under the disc patrol condition according to the preset frequency.
The application system of the auxiliary patrol system in the embodiment of the present disclosure is used to implement the application methods of the auxiliary patrol systems in the second and third embodiments, so that the description is simple, and specific reference may be made to the related descriptions in the second and third embodiments of the method, and details are not described here again.
Furthermore, as shown in fig. 10, a fifth embodiment of the present disclosure further provides an electronic device, which includes a memory 100 and a processor 200, where the memory 100 stores a computer program, and when the processor 200 runs the computer program stored in the memory 100, the processor 200 executes the above-mentioned various possible methods.
The memory 100 is connected to the processor 200, the memory 100 may be a flash memory, a read-only memory or other memories, and the processor 200 may be a central processing unit or a single chip microcomputer.
Furthermore, the disclosed embodiments also provide a computer-readable storage medium, on which a computer program is stored, the computer program being executed by a processor to perform the above-mentioned various possible methods.
The computer-readable storage media includes volatile or nonvolatile, removable or non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, computer program modules or other data. Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash Memory or other Memory technology, CD-ROM (Compact disk Read-Only Memory), digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
It is to be understood that the above embodiments are merely exemplary embodiments that are employed to illustrate the principles of the present disclosure, and that the present disclosure is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the disclosure, and these changes and modifications are to be considered within the scope of the disclosure.
Claims (13)
1. An auxiliary patrol system, the system comprising:
the data access module is connected with the set digital instrument control system DCS in real time through a nuclear power plant office network PI database and is used for acquiring state parameters and operation data of the nuclear power plant set;
the judging module is used for judging whether the unit is in a power operation condition under a first preset condition according to a preset unit operation condition judging condition;
the intelligent detection module is used for carrying out abnormal identification on the patrol disc state parameters in the operation process of the nuclear power plant under the power operation working condition that the judging module judges that the unit meets the first preset condition, and obtaining patrol disc monitoring results of the state parameters of each system of the nuclear power plant;
the trend prediction module is used for predicting the development and change trend of the abnormal parameters of the nuclear power unit for a long time according to the patrol monitoring result and obtaining a trend prediction result of the abnormal parameters;
and the information pushing module is used for pushing auxiliary decision information corresponding to the abnormal parameters of the unit according to the trend prediction result.
2. The auxiliary patrol system according to claim 1, wherein the power operation condition under the first preset condition comprises:
the loop pressure P, the loop average temperature T and the nuclear power Pn respectively meet the following conditions: p is more than or equal to 15.4MPa and less than or equal to 15.6MPa, T is more than or equal to 291.4 ℃ and less than or equal to 310 ℃, and Pn is more than or equal to 25% and less than or equal to 100%.
3. The auxiliary patrol system according to claim 1,
the patrol monitoring result comprises the following steps: a real-time monitoring curve of the disc state parameter, a system primary early warning signal, an abnormal disc state parameter position number and abnormal occurrence time;
the trend prediction result comprises: the abnormal patrol state parameter operation state development trend prediction curve, the time expected to possibly break through the design limit value and a system 'secondary early warning' signal.
4. A method for applying the auxiliary patrol system according to any one of claims 1-3, wherein the method comprises:
checking whether the current operation working condition of the unit is the applicable working condition of the auxiliary inspection system;
if so, carrying out preset operation conformance check on the auxiliary patrol system;
and if the operation conformance check is passed, sending an auxiliary patrol starting instruction to the auxiliary patrol system, so that the auxiliary patrol system can perform abnormity early warning and trend risk prediction of the unit state parameters, and instruct a control end of a main control room to perform unit patrol according to a preset auxiliary patrol regulation and record the operation states of the unit and the auxiliary patrol system.
5. The method according to claim 4, wherein the performing of the preset operation compliance check on the auxiliary patrol system comprises:
when a digital instrument control system (DCS) alarm system of the unit does not send out a parameter alarm, checking whether the display state of the auxiliary patrol system accords with the actual state of the unit or not within a first preset time when parameters of each operation state of the unit stably operate, and if so, determining that the conformance check of the auxiliary patrol system under the condition of no alarm passes;
when a unit DCS alarm system sends out a parameter alarm, whether a unit state parameter abnormal early warning sent out by the auxiliary patrol system corresponds to an existing alarm parameter of the DCS alarm system or not and whether a display state of the auxiliary patrol system accords with an actual unit operation state or not are checked within second preset time of operation of the auxiliary patrol system, if so, the unit state parameter abnormal early warning is recorded and shielded, and the conformity check of the auxiliary patrol system under the alarm condition is confirmed to be passed;
and if the conformity check of the auxiliary patrol system under the condition of no alarm and the condition of alarm passes, determining that the operation conformity check of the auxiliary patrol system passes, otherwise, determining that the operation conformity check of the auxiliary patrol system does not pass.
6. The method of claim 4, further comprising:
and if the current operation working condition of the unit is other operation working conditions except the working condition suitable for the auxiliary plate patrol system, sending an operation quit instruction to the auxiliary plate patrol system, and indicating the main control room operation end to carry out the unit plate patrol according to a preset regular plate patrol mode.
7. The method according to claim 4, wherein the enabling of the auxiliary patrol system to perform the abnormal early warning and the trend risk prediction of the unit state parameters comprises:
during the normal operation of the nuclear power unit, when only the auxiliary patrol system sends out abnormal unit state parameter early warning, the control end of the main control room is instructed to pay attention to the operation state of the early warning parameters, noise reduction confirmation is carried out, and the abnormal state of the unit state parameters is verified to determine whether real early warning exists or not;
during the normal operation of the nuclear power generating unit, when the auxiliary patrol system sends out abnormal unit state parameter early warning and the DCS alarm system also sends out parameter alarm, indicating the operation end of the main control room to preferentially process the triggered DCS alarm and indicating the operation end of the main control room to check the unit state parameter early warning information sent out by the auxiliary patrol system;
during the normal operation of the nuclear power unit, the auxiliary patrol system is instructed to record the operation states of the unit and the auxiliary patrol system periodically, so that the main control operation end is ensured to know the overall operation states of the unit and the auxiliary patrol system periodically and synchronously.
8. The method according to claim 4 or 7, characterized in that the method further comprises:
if the auxiliary patrol system is subjected to unplanned system quitting, recording the current running state of the unit as the running state recorded last time in a preset auxiliary patrol regulation, and simultaneously indicating a control end of a master control room to switch the patrol work of the unit to a preset regular patrol mode;
if the auxiliary patrol system is abnormal in function and needs to be closed, recording the current states of the unit and the auxiliary patrol system according to preset requirements, performing preparation work before the auxiliary patrol system is closed, and sending an operation quitting instruction to the auxiliary patrol system after confirming that the influence of the auxiliary patrol system on the unit operation is eliminated;
if the auxiliary patrol system is closed according to plan requirements under the condition of normal functions, the preparation work before the auxiliary patrol system is closed is carried out, and after the influence of the auxiliary patrol system on the unit operation is confirmed to be eliminated, an operation quitting instruction is sent to the auxiliary patrol system.
9. The method according to claim 8, wherein the preparation before the auxiliary patrol system is shut down comprises:
switching the patrol working mode of the unit to a preset regular patrol mode;
declaring the auxiliary patrol system to be invalid.
10. The method according to claim 4, wherein the instructing the operating end of the master control room to perform the unit patrol according to a preset auxiliary patrol rule and record the operation states of the unit and the auxiliary patrol system comprises:
adding early warning state information in each state parameter record item of an inspection record table of the auxiliary inspection rule, wherein the early warning state information comprises normal operation, primary early warning, secondary early warning and real early warning, so as to indicate a main control room operating end to periodically record the early warning state information of each state parameter based on a monitoring result of the auxiliary inspection system when the auxiliary inspection system operates;
increase in the patrol and manage the rule supplementary state record table of patrolling and managing the system, during nuclear power plant normal operating, instruct the master control room control end to record the running state of supplementary patrolling and managing the system includes: normal operation of the system, system abnormity and system offline;
and indicating the operating end of the master control room to finish the disc patrol recording of the unit under the disc patrol condition according to the preset frequency.
11. An application system of the auxiliary patrol system according to any one of claims 1 to 3, wherein the application system comprises:
the first checking module is used for checking whether the current operation working condition of the unit is the applicable working condition of the auxiliary patrol system;
the second checking module is arranged for checking the preset operation conformity of the auxiliary patrol system if the current operation working condition of the unit checked by the first checking module is the applicable working condition of the auxiliary patrol system;
and the operation module is set to send an auxiliary patrol indication to the auxiliary patrol system if the result of the second inspection module is that the operation conformance inspection of the auxiliary patrol system passes, so that the auxiliary patrol system performs abnormity early warning and trend risk prediction on the unit state parameters, and instructs the main control room operating end to perform unit patrol according to a preset auxiliary patrol rule and record the operation state of the unit and the auxiliary patrol system.
12. An electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program stored in the memory, the processor executes the method for applying the auxiliary patrol system according to any one of claims 4 to 10.
13. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of application of an auxiliary cruise system according to any one of claims 4-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211267478.1A CN115616998A (en) | 2022-10-17 | 2022-10-17 | Auxiliary disc inspection system, application method of auxiliary disc inspection system and application system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211267478.1A CN115616998A (en) | 2022-10-17 | 2022-10-17 | Auxiliary disc inspection system, application method of auxiliary disc inspection system and application system |
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| CN115616998A true CN115616998A (en) | 2023-01-17 |
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| CN (1) | CN115616998A (en) |
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