CN101206464B - Switch shielding control method for prevention of misoperation in nuclear reactor rod control system based on computer - Google Patents
Switch shielding control method for prevention of misoperation in nuclear reactor rod control system based on computer Download PDFInfo
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- CN101206464B CN101206464B CN2007101704079A CN200710170407A CN101206464B CN 101206464 B CN101206464 B CN 101206464B CN 2007101704079 A CN2007101704079 A CN 2007101704079A CN 200710170407 A CN200710170407 A CN 200710170407A CN 101206464 B CN101206464 B CN 101206464B
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to a switch shield control method for preventing misoperations in a computer-based nuclear reactor rod control system, comprising the following steps: the system periodically acquires safety condition parameters and a current system state of a nuclear reactor; all switches are shielded according to the current system state or a manual/automatic state switch is unlocked and shielded and then switched into manual operating state; judgment is respectively made whether superior/inferior switch interlocking conditions of all levels of switches are met; a level of switch is shielded or unlocked and shielded according to the judgment result. By adoption of the switch shield control method for preventing the misoperations in the computer-based nuclear reactor rod control system, field monitoring personnel can be led to accurately operate according to operating sequences of procedures, thereby safety of the nuclear reactor and safety of human beings and environment are guaranteed; moreover, the invention has the advantages of simplicity and intuition, stable performance, quick response, high operating efficiency, stable, safe and reliable system, and wide range of application, and establishes a solid foundation for development of safety techniques of a nuclear power plant.
Description
Technical field
The present invention relates to the nuclear plant safety technical field, particularly the safe operation field of nuclear reactor rod control system specifically is meant fool proof switchboard shielding control method in a kind of computer based nuclear reactor rod control system.
Background technology
Along with development of modern science and technology, more and more countries is brought into use nuclear energy power generation, and nuclear power station arises at the historic moment, and as in the control of nuclear power station the most core be exactly the control of control rod in the nuclear reactor.The power of nuclear reactor is mainly controlled by the control rod in the reactor, therefore the duty of itself is very crucial, not only be related to the normal operation of nuclear power station, and be related to great personal safety and Environmental security problem, therefore must be very tight for the operation of control rod in the nuclear reactor, avoid maloperation to greatest extent.
But, under the various system states especially under the emergency state, the operator can occur unavoidably because the maloperation that error analysis or various mood cause, thereby to system's band some great potential safety hazard, therefore, how can carry out safe and reliable control, to have become the problem that pendulum is wanted in the very tight joint of control field of nuclear for the command bundle rods for nuclear reactors system.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of and can effectively command bundle rods for nuclear reactors be controlled sequence of operation that the interface was optimized, guaranteed that the monitor staff can be correct to operate, avoid to greatest extent the people be maloperation, safe and reliable, simple and easy directly perceived, stable performance, the scope of application fool proof switchboard shielding control method in the computer based nuclear reactor rod control system comparatively widely according to rules.
In order to realize above-mentioned purpose, fool proof switchboard shielding control method is as follows in the computer based nuclear reactor rod control system of the present invention:
Fool proof switchboard shielding control method in this computer based nuclear reactor rod control system, be provided with the switches at different levels that comprise manual state switch at least in the described rod control system, and this manual state switch is highest switch, its principal feature is that described method may further comprise the steps:
(1) system is according to the residing state of the safety condition parameter of obtaining nuclear reactor and current system of default time cycle property;
(2) if the residing state of current system is a normal operating condition, all switches of system mask then, and switch to automatic mode of operation, and return above-mentioned steps (1);
(3) if the residing state of current system is the abnormal running state, then system shields manual state switch release, and switches to manual operation state;
(4) system judges whether the interlocking condition of the pairing higher level's switch of other switches at different levels satisfies;
(5) if do not satisfy, then system will shield this grade switch;
(6) if satisfy, then system shields the release of this grade switch;
(7) system operates according to the user, and the switch that selected and release is accordingly shielded carries out the model selection operation;
(8) system judges whether the interlocking condition of the pairing subordinate of switches at different levels switch satisfies;
(9) if satisfy, then system will shield this grade switch;
(10) if do not satisfy, then system shields the release of this grade switch, and returns above-mentioned steps (1).
Whether the safety condition parameter of fool proof switchboard shielding control method can cross whether too high signal or power neutron fluence rate too high signal whether of low signal, middle neutron fluence rate for temperature in this computer based nuclear reactor rod control system.
The system of fool proof switchboard shielding control method reads described safety condition parameter in this computer based nuclear reactor rod control system from database.
The switches at different levels of fool proof switchboard shielding control method comprise from the superlative degree to the lowermost level successively in this computer based nuclear reactor rod control system:
(1) manual state switch;
(2) rearrangement pattern selector switch;
(3) group/bundle mode selection switch;
(4) insert/stop/extracting out selector switch.
The system of fool proof switchboard shielding control method judges that whether the interlocking condition of switch satisfies, and may further comprise the steps in this computer based nuclear reactor rod control system:
(1), then returns the result that the interlocking condition satisfies if this switch has carried out the model selection operation;
(2) if this switch does not carry out any model selection operation as yet, then return the ungratified result of interlocking condition.
The switch literal that system shielded in this computer based nuclear reactor rod control system in the fool proof switchboard shielding control method is a gray states, and the switch literal of institute of system release shielding is a black state.
The switch background of having carried out the model selection operation in this computer based nuclear reactor rod control system in the fool proof switchboard shielding control method is a red status, and the switch background of not carrying out any model selection operation as yet is a green state.
Adopted fool proof switchboard shielding control method in the computer based nuclear reactor rod control system of this invention, owing to wherein regularly from database, read all safety condition parameters and current system state of living in, and in real time the operability of operating switch under the interlocking condition of different system states and higher level's switch/subordinate's switch of rod control system in the nuclear reactor judged in view of the above, and only the switch that allows to operate has been carried out screen-unblocking and covered, and other switch is kept masked state, and the switch under the different patterns is distinguished with different colour codes, thereby can intuitively guide the on-site supervision personnel to carry out proper operation simply according to the sequence of operation of rules, avoid because the security incident that the people causes for maloperation, ensured the safety of nuclear reactor, effectively avoid the generation of accident, for human and environmentAL safety provide sound assurance; Simultaneously, method of the present invention is simple and easy directly perceived, and stable performance is swift in response, and operational efficiency is higher, and system stability is safe and reliable, and the scope of application is comparatively extensive, for solid foundation has been established in the development of the safety technique of nuclear power station.
Description of drawings
Fig. 1 is the workflow diagram of fool proof switchboard shielding control method in the computer based nuclear reactor rod control system of the present invention.
Fig. 2 is the operation interface synoptic diagram of fool proof switchboard shielding control method system mask rearrangement pattern change-over switch under the ungratified condition of interlocking condition of higher level's switch in the computer based nuclear reactor rod control system of the present invention.
Fig. 3 be in the computer based nuclear reactor rod control system of the present invention fool proof switchboard shielding control method under the condition that the interlocking condition of higher level's switch satisfies system to resetting the operation interface synoptic diagram of mode selector switch release shielding.
Fig. 4 is fool proof switchboard shielding control method system's operation interface synoptic diagram that release shields to the rearrangement mode selector switch under the ungratified condition of interlocking condition of subordinate's switch in the computer based nuclear reactor rod control system of the present invention.
Fig. 5 is the operation interface synoptic diagram of fool proof switchboard shielding control method system mask rearrangement pattern change-over switch under the condition that the interlocking condition of subordinate's switch satisfies in the computer based nuclear reactor rod control system of the present invention.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also Fig. 1 to shown in Figure 5, fool proof switchboard shielding control method in this computer based nuclear reactor rod control system, be provided with the switches at different levels that comprise manual state switch at least in the described rod control system, and this manual state switch is highest switch, wherein, described method may further comprise the steps:
(1) system is according to the residing state of the safety condition parameter of obtaining nuclear reactor and current system of default time cycle property, whether this safety condition parameter can cross whether too high signal or power neutron fluence rate too high signal whether of low signal, middle neutron fluence rate for temperature, and described system reads described safety condition parameter from database, can certainly adopt the alternate manner storage according to the system configuration of reality and read the safety condition parameter;
(2) if the residing state of current system is a normal operating condition, all switches of system mask then, and switch to automatic mode of operation, and return above-mentioned steps (1);
(3) if the residing state of current system is the abnormal running state, then system shields manual state switch release, and switches to manual operation state;
(4) system judges whether the interlocking condition of the pairing higher level's switch of other switches at different levels satisfies; Wherein, described switch at different levels comprises from the superlative degree to the lowermost level successively:
(a) manual state switch;
(b) rearrangement pattern selector switch;
(c) group/bundle mode selection switch;
(d) insert/stop/extracting out selector switch;
Described system judges that whether the interlocking condition of switch satisfies, and may further comprise the steps:
(a), then return the result that the interlocking condition satisfies if this switch has carried out the model selection operation;
(b) if this switch does not carry out any model selection operation as yet, then return the ungratified result of interlocking condition;
(5) if do not satisfy, then system will shield this grade switch;
(6) if satisfy, then system shields the release of this grade switch;
(7) system operates according to the user, and the switch that selected and release is accordingly shielded carries out the model selection operation;
(8) system judges whether the interlocking condition of the pairing subordinate of switches at different levels switch satisfies;
(9) if satisfy, then system will shield this grade switch;
(10) if do not satisfy, then system shields the release of this grade switch, and returns above-mentioned steps (1).
Simultaneously, the switch literal that system shielded wherein is a gray states, and the switch literal of institute of system release shielding is a black state; The switch background of having carried out the model selection operation wherein is a red status, and the switch background of not carrying out any model selection operation as yet is a green state.
In the middle of reality was used, computer based of the present invention prevented the safety interlocking method of faulty operation nuclear reactor rod control system, carries out work according to following steps:
(1) system regularly reads all safety condition parameters and current system state of living in according to the default time from database;
(2) if system's state of living in is normal, then manual state switch (AUTO/MANUAL SWITCH) shielding, system switches to automatic mode of operation;
(3) if system's state of living in is undesired, then hand automatic transfer switch (AUTO/MANUAL SWITCH) release shielding, system switches to manual operation state;
(4) shielding and the screen-unblocking for rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) covers, and manual operation state is that the interlocking condition of higher level's switch satisfies;
(5) if the interlocking condition of higher level's switch satisfies, promptly system is a manual operation state, then rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) release shielding;
(6) if the interlocking condition of higher level's switch does not satisfy, promptly system is automatic mode of operation, then rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) shielding;
When (7) rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) release shields, preference pattern;
(8) whether the interlocking condition of judging subordinate's switch satisfies, and promptly whether has selected group/bundle mode selection switch;
(9) if the interlocking condition of subordinate's switch satisfies, promptly selected group/bundle mode selection switch, rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) shielding;
(10) if the interlocking condition of subordinate's switch does not satisfy, i.e. not choosing group/bundle mode selection switch, rearrangement pattern selector switch (RELIGEMENT MODE SWITCH) is removed and is shielded.
Adopted fool proof switchboard shielding control method in the above-mentioned computer based nuclear reactor rod control system, owing to wherein regularly from database, read all safety condition parameters and current system state of living in, and in real time the operability of operating switch under the interlocking condition of different system states and higher level's switch/subordinate's switch of rod control system in the nuclear reactor judged in view of the above, and only the switch that allows to operate has been carried out screen-unblocking and covered, and other switch is kept masked state, and the switch under the different patterns is distinguished with different colour codes, thereby can intuitively guide the on-site supervision personnel to carry out proper operation simply according to the sequence of operation of rules, avoid because the security incident that the people causes for maloperation, ensured the safety of nuclear reactor, effectively avoid the generation of accident, for human and environmentAL safety provide sound assurance; Simultaneously, method of the present invention is simple and easy directly perceived, and stable performance is swift in response, and operational efficiency is higher, and system stability is safe and reliable, and the scope of application is comparatively extensive, for solid foundation has been established in the development of the safety technique of nuclear power station.
In this instructions, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. fool proof switchboard shielding control method in the computer based nuclear reactor rod control system, be provided with the switches at different levels that comprise manual state switch at least in the described rod control system, and this manual state switch is highest switch, it is characterized in that described method may further comprise the steps:
(1) system is according to the residing state of the safety condition parameter of obtaining nuclear reactor and current system of default time cycle property;
(2) if the residing state of current system is a normal operating condition, all switches of system mask then, and switch to automatic mode of operation, and return above-mentioned steps (1);
(3) if the residing state of current system is the abnormal running state, then system shields manual state switch release, and switches to manual operation state;
(4) system judges whether the interlocking condition of the pairing higher level's switch of other switches at different levels satisfies;
(5) if do not satisfy, then system will shield this grade switch;
(6) if satisfy, then system shields the release of this grade switch;
(7) system operates according to the user, and the switch that selected and release is accordingly shielded carries out the model selection operation;
(8) system judges whether the interlocking condition of the pairing subordinate of switches at different levels switch satisfies;
(9) if satisfy, then system will shield this grade switch;
(10) if do not satisfy, then system shields the release of this grade switch, and returns above-mentioned steps (1);
Described switch at different levels comprises from the superlative degree to the lowermost level successively:
(1) manual state switch;
(2) rearrangement pattern selector switch;
(3) group/bundle mode selection switch;
(4) insert/stop/extracting out selector switch.
2. fool proof switchboard shielding control method in the computer based nuclear reactor rod control system according to claim 1, it is characterized in that described safety condition parameter is whether temperature crosses whether too high signal or power neutron fluence rate too high signal whether of low signal, middle neutron fluence rate.
3. fool proof switchboard shielding control method in the computer based nuclear reactor rod control system according to claim 2 is characterized in that described system reads described safety condition parameter from database.
4. according to fool proof switchboard shielding control method in each described computer based nuclear reactor rod control system in the claim 1 to 3, it is characterized in that, described system judges that whether the interlocking condition of higher level's switch/subordinate's switch satisfies, and may further comprise the steps:
(1), then returns the result that the interlocking condition satisfies if this higher level's switch/subordinate's switch has carried out the model selection operation;
(2) if this higher level's switch/subordinate's switch does not carry out any model selection operation as yet, then return the ungratified result of interlocking condition.
5. according to fool proof switchboard shielding control method in each described computer based nuclear reactor rod control system in the claim 1 to 3, it is characterized in that, the switch literal that described system shielded is a gray states, and the switch literal of institute of system release shielding is a black state.
6. fool proof switchboard shielding control method in the computer based nuclear reactor rod control system according to claim 4, it is characterized in that, described switch background of having carried out the model selection operation is a red status, and the switch background of not carrying out any model selection operation as yet is a green state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101704079A CN101206464B (en) | 2007-11-14 | 2007-11-14 | Switch shielding control method for prevention of misoperation in nuclear reactor rod control system based on computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101704079A CN101206464B (en) | 2007-11-14 | 2007-11-14 | Switch shielding control method for prevention of misoperation in nuclear reactor rod control system based on computer |
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| Publication Number | Publication Date |
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| CN101206464A CN101206464A (en) | 2008-06-25 |
| CN101206464B true CN101206464B (en) | 2010-07-21 |
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| CN110850832B (en) * | 2019-11-27 | 2021-05-04 | 中广核工程有限公司 | Nuclear power plant equipment fault diagnosis system, diagnosis method and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127920A (en) * | 1993-12-22 | 1996-07-31 | 西屋电气公司 | System and method for simultaneously testing a plurality of control rods |
| CN1953105A (en) * | 2006-09-29 | 2007-04-25 | 上海海得控制系统股份有限公司 | Graphic early warning display method of safety margin based on nuclear reactor of computer |
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- 2007-11-14 CN CN2007101704079A patent/CN101206464B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1127920A (en) * | 1993-12-22 | 1996-07-31 | 西屋电气公司 | System and method for simultaneously testing a plurality of control rods |
| CN1953105A (en) * | 2006-09-29 | 2007-04-25 | 上海海得控制系统股份有限公司 | Graphic early warning display method of safety margin based on nuclear reactor of computer |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-180587A 2000.06.30 |
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