CN103631227A - Isolation method and isolation system - Google Patents
Isolation method and isolation system Download PDFInfo
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- CN103631227A CN103631227A CN201310615728.0A CN201310615728A CN103631227A CN 103631227 A CN103631227 A CN 103631227A CN 201310615728 A CN201310615728 A CN 201310615728A CN 103631227 A CN103631227 A CN 103631227A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention is suitable for the technical field of nuclear power stations and provides an isolation method and an isolation system for the nuclear power stations. In the invention, the method comprises the steps of firstly determining nuclear power station equipment needing to be subjected to assisting isolation by means of a distribution control system (DCS), determining an isolation state value according to the corresponding relation between starting-opening values and the isolation state value of the nuclear power station equipment, and then performing isolation or removing the isolation on the nuclear power station equipment according to the isolation state value. By the DCS-based computer assisting isolation method, the man-made factors are reduced, the safety and reliability of the isolation work are improved and the current state of the equipment to be isolated can be displayed in real time.
Description
Technical field
The invention belongs to nuclear power station technical field, relate in particular to a kind of nuclear power station partition method and system.
Background technology
Area of computer aided shielding system a set of software systems that to be nuclear power station operations staff adopt for implementing safety isolation, it adopts the mode of outline management, by a series of activities flow process and strict management regulation, the state of quarantine measures is managed.The object of isolation is to determine the work border that can set up and control safety condition, for work on the spot staff provides safe working environment, a complete isolation means: will be isolated equipment and the energy and working fluid and implement to separate by isolation and strict control, and by the mode of locking, hanging isolation board, forbid carrying out any operation on edge device.
The singularity of the feature of nuclear power plant equipment operation and nuclear fuel generating, has determined that equipment isolation work is a job that has strict authorization control, has clear and definite working specification.If adopt the isolation work of artificial facilities and equipments completely, not only time-consuming efficiency is low, and the correlativity between very difficult judgement work ticket, the state conflict that causes the equipment that is isolated, cannot form safe and reliable maintenance operation on-the-spot, not only affect the maintenance job of equipment, and bring huge hidden danger to maintenance personal's personal safety.So, adopt computer software technology to realize auxiliary Isolation Management very necessary.There is following defect in current shielding system: (1) system adopts offline mode to manage isolation work, ensures enforcement and the recovery of on-the-spot quarantine measures, the hidden danger that exists human factor to bring by job specification; (2) system can only show the state of having implemented quarantine measures equipment, cannot show the current definite state of equipment to be isolated.
Summary of the invention
The object of the present invention is to provide a kind of computer assisted nuclear power station partition method based on dcs DCS, be intended to solve existing nuclear power station partition method and have artificial hidden danger and cannot show the problem of isolating the current definite state of starting to write of being with.
The present invention is achieved in that a kind of nuclear power station partition method, comprising:
Determine and need to assist by dcs DCS state the nuclear power plant equipment of isolation;
According to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value, determine isolation value;
According to described isolation value, described nuclear power plant equipment isolated or remove isolation.
The present invention also provides a kind of nuclear power station shielding system, comprising:
The first determination module, the second determination module, isolation module and releasing isolation module;
Described the first determination module, need to assist by dcs DCS state the nuclear power plant equipment of isolation for determining;
Described the second determination module, for determining isolation value according to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value;
Described isolation module, for isolating described nuclear power plant equipment according to described isolation value;
Described releasing isolation module, for removing isolation according to described isolation value to described nuclear power plant equipment.
In the present invention, first determine and need to assist by dcs DCS state the nuclear power plant equipment of isolation, according to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value, determine isolation value, and then according to described isolation value, described nuclear power plant equipment isolated or remove isolation, by the area of computer aided partition method based on dcs DCS, reduce human factor, improve the safe reliability of isolation work, can show in real time the current state of equipment to be isolated.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the nuclear power station partition method that provides of the embodiment of the present invention;
Fig. 2 is the realization flow figure described nuclear power plant equipment being isolated according to isolation value that the embodiment of the present invention provides;
Fig. 3 be the embodiment of the present invention provide according to isolation value to described nuclear power plant equipment remove isolation realization flow figure;
The structured flowchart of the nuclear power station shielding system that Fig. 4 embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Along with DCS(Distributed Control Systems, dcs) in the application of every field, in the present invention, at nuclear power station, also adopt DCS management, area of computer aided shielding system is carried out buffer action reference by obtaining the thread state labour movement administrative staff of DCS equipment.The general data of area of computer aided shielding system derives from scene, each scene (DCS dispatch control system) has been equipped with complete fastener (IO module) instrument, sensor electric signal has been gathered, after analog to digital conversion, send to main frame, the XU(DCS Communication Gateway of DCS dispatch control system), DCS data server, engineer station, man-machine interface database, real-time data base carries out data communication by the interface routine moving on interface message processor (IMP) and the data-interface that wherein an equipment (regular situation is the XU in DCS system) provides, thereby realizes data acquisition.Be formed on the real-time data record of the information such as tool time tag in real-time data base, measuring point name, numerical value, state.
Fig. 1 shows the realization flow of a kind of nuclear power station partition method that the embodiment of the present invention provides, and details are as follows:
Concrete, only have the equipment that DCS environment manages just likely by DCS state, to assist isolation.Preferably, in DCS, there is the equipment of clear and definite start and stop (or switch) state to be defined as the nuclear power plant equipment that need to isolate.
Concrete, according to the definite needs of step 101, assist start and stop value and the isolation of the nuclear power plant equipment of isolation to be worth corresponding relation to determine isolation value.As shown in table 1, the mapping table that this table is the start and stop value of xegregating unit and isolation value, wherein ISEC011PO represents that the model of the equipment of needs isolation is, RP represents startup value, and TP represents to stop value, RP=0, TP=1 represents that this equipment stops, RP=1, TP=0 represents that this equipment is in operation, it is abnormal that RP, TP equal other value representations.LC represents to shut, and C represents to close, and C. represents close and test, and LO represents to unblank, and O represents out, and IO represents on-line operation.
Table 1
| The equipment that needs isolation | Isolation value | Start and stop state value |
| ISEC011PO | LC，C，C. | RP=0，TP=1 |
| ISEC011PO | LO，O，IO | RP=1，TP=0 |
Concrete, according to the definite isolation value of step 102, described nuclear power plant equipment is isolated or remove isolation.If isolation value is one of LC, C, C., described nuclear power station is isolated, if being LO, O, IO, isolation value described nuclear power station is removed to isolation.
In the embodiment of the present invention, the start and stop value of equipment in Real-time Obtaining DCS, according to the corresponding relation of start and stop value and isolation value, confirm isolation value, according to isolation value, equipment is isolated again, real-time isolating according to equipment state, reduce the hidden danger that human factor is brought, improved security.
Further, for described nuclear power plant equipment is isolated according to described isolation value described in more detailed description, the embodiment of the present invention by reference to the accompanying drawings 2, does following detailed description, and described isolation comprises the following steps:
After definite need to the isolation nuclear power plant equipment, auxiliary shielding system approval isolation request slip.
Concrete, area of computer aided shielding system need to be with the xegregating unit judgement that conflict, the isolated instructions that judges current needs enforcement with the existing instruction on this equipment whether to conflicting.If do not conflicted, printing list and isolation board.If there is conflict, return to execution step 201.
After system judgement does not conflict, printing list and isolation board.The on-the-spot isolated operation personnel scene of completing arranges state, locks and lists afterwards.
After on-the-spot isolated operation personnel isolate field conduct according to isolated operation list, before confirming isolation, the presence states of fetch equipment in DCS, equipment state in shielding system and presence states are contrasted, if comparing result unanimously, confirm to isolate and print licence, confirm that after isolation, field personnel can get licence and carry out work on the spot.If comparing result is inconsistent, shielding system is notified on-the-spot isolated operation personnel, and the enforcement of isolation is corrected.
In the embodiment of the present invention, system state and presence states are contrasted, judge whether isolation conforms to device context state, improved the safe reliability of isolation work.
Further, in order according to described isolation value, described nuclear power plant equipment to be removed to isolation described in more detailed description, the embodiment of the present invention by reference to the accompanying drawings 3, does following detailed description, and described releasing isolation comprises the following steps:
Field personnel can get licence and carry out after work on the spot, and system wait prepares to remove isolation, if licence is given back in completion, system prepares to remove isolation.
Operation sheet is removed in step 302, printing.
System is prepared to remove after isolation, prints and removes operation sheet.On-the-spot isolated operation personnel complete on-the-spot delisted, get lock and state is set.
Be isolated at the scene after on-the-spot quarantine measures recovery, system reads removes relevant device presence states in DCS in operation sheet, system requirements is arranged to state and presence states contrasts, if comparing result is consistent, show that on-the-spot quarantine measures remove on request, allow to remove isolation.Otherwise, notify on-the-spot isolated operation personnel to correct.
Preferably, the nuclear power station partition method described in above-described embodiment, also comprises: the correctness of isolating or remove isolated operation is verified.As aforementioned given example, can, according to table 2, verify.
Simultaneously can also be to isolating or removing isolated operation and carry out monitoring alarm.Operation, maintenance job responsible official can be at any time by the start and stop value of state and the DCS of systems inspection xegregating unit, monitor in time the enforcement of isolation, as noted abnormalities, report to the police.Improved like this work efficiency, for site safety work escorts.
It should be noted that, for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as to a series of combination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.
Fig. 4 shows the structured flowchart of a kind of nuclear power station shielding system that the embodiment of the present invention provides, and this system can realize aforementioned nuclear power station partition method, for convenience of explanation, only shows the part relevant to the present embodiment.This system comprises: the first determination module 41, the second determination module 42, isolation module 43 and releasing isolation module 44.
Described the first determination module 41, need to assist by dcs DCS state the nuclear power plant equipment of isolation for determining.
Described the second determination module 42, for determining isolation according to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value.
Described isolation module 43, for isolating described nuclear power plant equipment according to described isolation value.
Described releasing isolation module 44, for removing isolation according to described isolation value to described nuclear power plant equipment.
Further, described isolation module 43 comprises: approval module 431, obtain typing module 432, the first judge module 433, the first print module 434, the second judge module 435, the 3rd confirmation module 436 and the first notification module 437.
Described approval module 431, for ratifying to isolate request slip.
The described typing module 432 of obtaining, for obtaining, typing isolated instructions.
Described the first judge module 433, for having judged whether conflict.
Described the first print module 434, for printing list and isolation board.
Described the second judge module 435, for judging whether isolation conforms to device context state.
The described the 3rd confirms module 436, for confirm isolation when isolation conforms to device context state.
Described the first print module 434, also for printing licence.
Described the first notification module 437, for notifying on-the-spot isolated operation personnel when isolation does not conform to device context state.
Further, describedly according to removing isolation module 44, also comprise: wait for that module 441, the second print module 442, the 3rd judge module the 443, the 4th confirm module 444 and the second notification module 445.
Described wait module 441, for etc. releasing to be prepared isolation.
Described the second print module 442, for printing releasing operation sheet.
Described the 3rd judge module 443, for judging whether system equipment state conforms to field equipment state.
The described the 4th confirms module 444, for confirm to remove isolation when system equipment state conforms to field equipment state.
Described the second notification module 445, for notifying on-the-spot isolated operation personnel when system equipment state does not conform to field equipment state.
Further, described system also comprises: verify module 45, for the correctness of isolating or remove isolated operation is verified.
Further, described system also comprises: monitoring alarm module 46, and for to isolating or removing isolated operation and carry out monitoring alarm.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a nuclear power station partition method, is characterized in that, comprising:
Determine and need to assist by dcs DCS state the nuclear power plant equipment of isolation;
According to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value, determine isolation value;
According to described isolation value, described nuclear power plant equipment isolated or remove isolation.
2. the method for claim 1, is characterized in that, described isolates described nuclear power plant equipment according to described isolation value, comprises the following steps:
Step 201, approval isolation request slip;
Step 202, obtain, typing isolated instructions;
Step 203, judge whether conflict, if it is returned to execution step 201, if otherwise perform step 204;
Step 204, printing list and isolation board;
Step 205, judge whether isolation conforms to device context state, if so, confirm to isolate and print licence; If not, notify on-the-spot isolated operation personnel.
3. the method for claim 1, is characterized in that, described removes isolation according to described isolation value to described nuclear power plant equipment, comprises the following steps:
Step 301, etc. releasing to be prepared isolation;
Operation sheet is removed in step 302, printing;
Step 303, judge whether system equipment state conforms to field equipment state, if so, confirm to remove isolation; If not, notify on-the-spot isolated operation personnel.
4. the method as described in one of claim 1-3, is characterized in that, described method also comprises:
The correctness of isolating or remove isolated operation is verified.
5. the method as described in one of claim 1-3, is characterized in that, described method also comprises:
To isolating or removing isolated operation and carry out monitoring alarm.
6. a nuclear power station shielding system, is characterized in that, comprising:
The first determination module, the second determination module, isolation module and releasing isolation module;
Described the first determination module, need to assist by dcs DCS state the nuclear power plant equipment of isolation for determining;
Described the second determination module, for determining isolation according to the corresponding relation of the start and stop value of described nuclear power plant equipment and isolation value;
Described isolation module, for isolating described nuclear power plant equipment according to described isolation value;
Described releasing isolation module, for removing isolation according to described isolation value to described nuclear power plant equipment.
7. system as claimed in claim 6, is characterized in that, described isolation module comprises:
Approval module, obtain typing module, the first judge module, the first print module, the second judge module,
The 3rd confirms module and the first notification module;
Described approval module, for ratifying to isolate request slip;
The described typing module of obtaining, for obtaining, typing isolated instructions;
Described the first judge module, for having judged whether conflict;
Described the first print module, for printing list and isolation board;
Described the second judge module, for judging whether isolation conforms to device context state;
The described the 3rd confirms module, for confirm isolation when isolation conforms to device context state;
Described the first print module, also for printing licence;
Described the first notification module, for notifying on-the-spot isolated operation personnel when isolation does not conform to device context state.
8. system as claimed in claim 6, is characterized in that, described also comprises according to removing isolation module: wait for module, the second print module, the 3rd judge module, the 4th confirmation module and the second notification module;
Described wait module, for etc. releasing to be prepared isolation;
Described the second print module, for printing releasing operation sheet;
Described the 3rd judge module, for judging whether system equipment state conforms to field equipment state;
The described the 4th confirms module, for confirm to remove isolation when system equipment state conforms to field equipment state;
Described the second notification module, for notifying on-the-spot isolated operation personnel when system equipment state does not conform to field equipment state.
9. the system as described in one of claim 6-7, is characterized in that, described system also comprises:
Verify module, for the correctness of isolating or remove isolated operation is verified.
10. the system as described in one of claim 6-7, is characterized in that, described system also comprises: monitoring alarm module, and for to isolating or removing isolated operation and carry out monitoring alarm.
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| CN201310615728.0A CN103631227B (en) | 2013-11-26 | 2013-11-26 | Isolation method and isolation system |
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| CN201310615728.0A CN103631227B (en) | 2013-11-26 | 2013-11-26 | Isolation method and isolation system |
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| CN112434838A (en) * | 2019-08-22 | 2021-03-02 | 核动力运行研究所 | Isolation deduction model and evaluation method |
| CN114386925A (en) * | 2021-11-30 | 2022-04-22 | 中核核电运行管理有限公司 | Isolation conflict mediation method and device for nuclear power plant |
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| CN103631227B (en) | 2017-02-08 |
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