CN101783196B - Control device of magnetic valve of nuclear power station and control method thereof - Google Patents
Control device of magnetic valve of nuclear power station and control method thereof Download PDFInfo
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- CN101783196B CN101783196B CN2009101888512A CN200910188851A CN101783196B CN 101783196 B CN101783196 B CN 101783196B CN 2009101888512 A CN2009101888512 A CN 2009101888512A CN 200910188851 A CN200910188851 A CN 200910188851A CN 101783196 B CN101783196 B CN 101783196B
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Abstract
The invention relates to a control device of a magnetic valve of a nuclear power station and a control method thereof, wherein the control device is used for controlling the action of the magnetic valve of the nuclear power station, and comprises a command process module, a logical operation module, and a display module; the command process module is used for acquiring outside command information including a manual command, an automatic command, a protection command, enabled conditions and a magnetic valve status signal fed back by a controlled device, and setting the information to the logical operation module; the logical operation module is used for selecting the current command from the manual command, the automatic command and the protection command according to the priorities from low to high, generating the control command of the action of the magnetic valve according to the current command and the enabled conditions, and generating a logical output operation signal according to the control command and the magnetic valve operation signal; and the display module is used for displaying the logical output status signal. The invention improves the automation operation level of the nuclear station magnetic valve, and can lighten the work loading of operators.
Description
Technical field
The present invention relates to nuclear power station computing machine instrument and control field, relate in particular to a kind of magnetic valve of nuclear power station control device and control method thereof.
Background technology
At present introduce Digitizing And Control Unit in the nuclear power station and realized control and the driving of equipment, Digitizing And Control Unit has changed traditional equipment control and type of drive, improved automaticity, reduced rate of breakdown, configuration is flexible, and be convenient to observe the field apparatus running status, and make operator no longer need to understand by the pilot lamp on the observation operation platform state of field apparatus, control on-the-spot equipment by the switch on the manual operating platform, button.
In order to give full play to the superiority of digital control system in nuclear power plant, need to digest improvement according to former control system required function, especially to the control of the solenoid valve in the nuclear power plant equipment.
Summary of the invention
The technical problem to be solved in the present invention is, for the defects of prior art, provides a kind of control device and control method thereof of solenoid control of the Digitizing And Control Unit that is suitable for nuclear power station.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of magnetic valve of nuclear power station control device, be used for controlling the solenoid valve action of described nuclear power station, it comprises: command process module, be used for obtaining outside command information, comprise the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled device feed back, and send to described logical operation module;
Logical operation module, be used for according to priority ascending order and select present instruction from described manual command, automatic command, protection instruction, according to described present instruction and described enabled condition, produce the steering order of control solenoid valve action, and produce the logic output status signal according to described steering order and solenoid valve status signal;
Display module is used for showing described logic output status signal.
The present invention also provides a kind of magnetic valve of nuclear power station control method, and it may further comprise the steps:
A, obtain outside command information, comprise the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled device feed back;
B, according to priority ascending order are selected present instruction from described manual command, automatic command, protection instruction, according to described present instruction and described enabled condition, produce the steering order of control solenoid valve action, and show;
C, produce the logic output status signal according to described steering order and solenoid valve status signal, and show.
Magnetic valve of nuclear power station control device of the present invention, function and application requirement according to control system, reasonably improve original control system, give full play to the function of dcs, it can read the feedback signal from solenoid valve automatically, and automatically carry out logical calculated, and steering order is sent to solenoid valve.Simultaneously also will offer operator by the digitizing man-machine interface with this device-dependent on-the-spot feedback and control information, allow the relevant information that operator can this equipment of centralized knowledge.This improvement not only promotes nuclear power station automatic operating level, can also alleviate operator's working load.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the magnetic valve of nuclear power station control device application principle block diagram of the embodiment of the invention;
Fig. 2 is the logical operation module theory diagram of the magnetic valve of nuclear power station control device of the embodiment of the invention;
Fig. 3 is instruction output process flow diagram in single Electromagnetic Control of magnetic valve of nuclear power station control method of the embodiment of the invention;
Fig. 4 is instruction output process flow diagram in two Electromagnetic Control of magnetic valve of nuclear power station control method of the embodiment of the invention.
Embodiment
Below in conjunction with diagram, the preferred embodiments of the present invention are described in detail.
The logical operation module theory diagram of the magnetic valve of nuclear power station control device of preferred embodiment of the present invention comprises command process module, logical operation module and display module as shown in Figure 1.Wherein, command process module is used for obtaining outside command information, comprises the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled device feed back, and sends to logical operation module.Logical operation module is used for according to priority ascending order and selects present instruction from manual command, automatic command, protection instruction; according to present instruction and enabled condition; produce the steering order of control solenoid valve action, and produce the logic output status signal according to steering order and solenoid valve status signal.Display module display logic output status signal namely uses the display processing methods such as color change, literal indication, upward provides this equipment operation condition for operating personnel at HMI (man-machine interface).
In the present embodiment; as shown in Figure 2; when solenoid valve was single solenoid valve, logical operation module comprised the instruction output unit, and described instruction output unit comprises priority judgment sub-unit, manual command output subelement, automatic command output subelement, protection instruction output subelement.
Wherein, described priority judgment sub-unit is used for according to priority ascending order and selects present instruction from manual command, automatic command, protection instruction.Protect instruction output subelement, be used for when present instruction is the protection instruction, if protect instruction for opening instruction, then the steering order of instruction output unit output is for opening instruction; If the protection instruction is for closing, then the instruction output unit is not exported steering order.Automatic command output subelement, being used in present instruction is automatic command, and enabled condition is when effective; If automatic command is for opening instruction, then the steering order of instruction output unit output is for opening instruction; If automatic command is for closing instruction, the instruction output unit is not exported steering order.Manual command output subelement, being used in present instruction is manual command, and enabled condition is when being effective, if manual command is for opening instruction, then the steering order of instruction output unit output is for opening instruction, if automatic command for closing, the instruction output unit is not exported steering order.
In the present embodiment, as shown in Figure 2, when solenoid valve was single solenoid valve, logical operation module also comprised the State-output unit, can produce the logic output status signal according to steering order and solenoid valve status signal.Described State-output unit comprises: open fault status signal and produce subelement, close fault status signal and produce subelement, two fault status signals produce subelement, and two zero failure status signals produce subelement, open status signal and produce subelement, the off status signal produces subelement.
Specifically, open fault status signal and produce subelement, the steering order that is used for exporting at the instruction output unit is for opening instruction, and field apparatus, be single solenoid valve, status signal when exceeding for first schedule time from the complete shut-down state to full-gear, produce and open fault status signal.Close fault status signal and produce subelement, be used for not being out instruction in steering order, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state.Two fault status signals produce subelements, are used for simultaneously effectively the time, producing two fault status signals at the full-gear of solenoid valve status signal and complete shut-down state.Two zero failure status signals produce subelements, and it is simultaneously invalid to be used at full-gear and the complete shut-down state of solenoid valve status signal, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals.Open status signal and produce subelement, being used at the solenoid valve status signal is full-gear, and when having got rid of a two fault-signal, produces and open status signal.The off status signal produces subelement, and being used at the solenoid valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.More than first schedule time, second schedule time and the 3rd schedule time can set as required.
In the present embodiment; as shown in Figure 2; when solenoid valve is dual-coil electromagnetic valve; logical operation module can comprise the instruction output unit equally, and described instruction output unit comprises priority judgment sub-unit, manual command output subelement, automatic command output subelement, protection instruction output subelement and integrated logic judgment sub-unit.
Wherein, described priority judgment sub-unit is used for according to priority ascending order and selects present instruction from manual command, automatic command, protection instruction.Protection instruction output subelement; be used for when present instruction is the protection instruction, if protect instruction for opening instruction, then the steering order of instruction output unit output is for opening instruction; if the protection instruction is for closing instruction, then the steering order of instruction output unit output is for closing instruction.Automatic command output subelement, being used in present instruction is automatic command, and enabled condition is when effective, if automatic command for opening instruction, then the steering order exported of instruction output unit is for opening instruction; If automatic command is for closing instruction, the steering order of instruction output unit output is for closing instruction.Manual command output subelement, being used in present instruction is manual command, and enabled condition is when being effective, if manual command is for opening instruction, then the steering order of instruction output unit output is for opening instruction, if automatic command is for closing instruction, the steering order of instruction output unit output is for closing instruction.
The integrated logic judgment sub-unit, be used at the solenoid valve status signal when opening status signal, the instruction of opening that produces was lost efficacy, after the pass instruction is sent, the instruction of opening that produces was lost efficacy, the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal, the instruction of opening in the automatic command of generation, the manual command was lost efficacy, in the protection instruction to open instruction effective; When the solenoid valve status signal is the off status signal; the pass instruction that produces was lost efficacy; opening after instruction sends; the pass instruction that produces was lost efficacy; the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal; the automatic command that produces, the pass instruction in the manual command were lost efficacy, and the pass instruction in the protection instruction is effective.
In the present embodiment, as shown in Figure 2, when solenoid valve was dual-coil electromagnetic valve, logical operation module also comprised the State-output unit, and it produces the logic output status signal according to steering order and solenoid valve status signal.Described State-output unit comprises: open fault status signal and produce subelement, close fault status signal and produce subelement, two fault status signals produce subelement, and two zero failure status signals produce subelement, open status signal and produce subelement, the off status signal produces subelement.
Wherein, open fault status signal and produce subelement, be used in steering order for opening instruction, and the solenoid valve status signal is when exceeding for first schedule time from the complete shut-down state to full-gear, fault status signal is opened in generation.Close fault status signal and produce subelement, being used in steering order is to close instruction, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state.Two fault status signals produce subelements, simultaneously effectively the time, produce two fault status signals at the full-gear of solenoid valve status signal and complete shut-down state.Two zero failure status signals produce subelements, and it is simultaneously invalid to be used at full-gear and the complete shut-down state of solenoid valve status signal, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals.Open status signal and produce subelement, being used at the solenoid valve status signal is full-gear, and when having got rid of a two fault-signal, produces and open status signal.The off status signal produces subelement, and being used at the solenoid valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.
According to above magnetic valve of nuclear power station control system, the present invention also provides a kind of magnetic valve of nuclear power station control method, and it may further comprise the steps:
S100, obtain outside command information, comprise the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled device feed back;
S200, according to priority ascending order are selected present instruction from manual command, automatic command, protection instruction, according to present instruction and enabled condition, produce the steering order of control solenoid valve action, and show;
S300, produce the logic output status signal according to described steering order and solenoid valve status signal, and show.
Wherein, when controlled solenoid valve is single solenoid valve, step S200 process flow diagram as shown in Figure 3, arbitrary step or multistep in specifically may further comprise the steps:
S211, according to priority ascending order are selected present instruction from manual command, automatic command, protection instruction;
S212, be protection during instruction in present instruction, if the protection instruction for opening, then the steering order of instruction output unit output is for opening instruction, if protect instruction for closing, then the instruction output unit is not exported steering order;
S213, be automatic command in present instruction, and enabled condition is when effective; If automatic command is for opening instruction, then the steering order of instruction output unit output is for opening instruction; If automatic command is for closing instruction, the instruction output unit is not exported steering order;
S214, be manual command in present instruction, and enabled condition is when being effective, if manual command for opening instruction, then the steering order of instruction output unit output is for opening instruction, if automatic command is the pass instruction, the instruction output unit is not exported steering order.
S221, in steering order for opening instruction, and the solenoid valve status signal produces and opens fault status signal when exceeding for first schedule time from the complete shut-down state to full-gear;
S222, be not out instruction in steering order, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
S223, simultaneously effectively the time, produce two fault status signals at the full-gear of solenoid valve status signal and complete shut-down state;
S224, simultaneously invalid in the full-gear of solenoid valve status signal and complete shut-down state, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
S225, be full-gear at the solenoid valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
S226, be the complete shut-down state at the solenoid valve status signal, and when having got rid of two zero failure signal, produce the off status signal.
Wherein, when solenoid valve is dual-coil electromagnetic valve, step S200 process flow diagram as shown in Figure 4, arbitrary step or multistep in specifically may further comprise the steps:
S231, according to priority ascending order are selected present instruction from manual command, automatic command, protection instruction;
S232, be protection during instruction in present instruction, if the protection instruction for opening instruction, then the steering order of instruction output unit output is for opening instruction, if the protection instruction for closing instruction, then the steering order of instruction output unit output is the pass instruction;
S233, be automatic command in present instruction, and enabled condition is when effective, if automatic command for opening instruction, then the steering order of instruction output unit output is for opening instruction; If automatic command is for closing instruction, the steering order of instruction output unit output is for closing instruction;
S234, be manual command in present instruction, and when enabled condition is effective, if manual command for opening instruction, then the steering order of instruction output unit output is for opening instruction, if automatic command is for closing instruction, the steering order of instruction output unit output is for closing instruction;
S235, at the solenoid valve status signal when opening status signal, the instruction of opening that produces was lost efficacy, after the instruction of described pass is sent, the instruction of opening that produces was lost efficacy, the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal, the instruction of opening in the automatic command that produces, the manual command was lost efficacy, in the protection instruction to open instruction effective;
S236, when the solenoid valve status signal is the off status signal; the pass instruction that produces was lost efficacy; opening after instruction sends; the pass instruction that produces was lost efficacy; the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal; the automatic command that produces, the pass instruction in the manual command were lost efficacy, and the pass instruction in the protection instruction is effective.
S241, in steering order for opening instruction, and the solenoid valve status signal produces and opens fault status signal when exceeding for first schedule time from the complete shut-down state to full-gear;
S242, in steering order for closing instruction, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
S243, simultaneously effectively the time, produce two fault status signals at the full-gear of solenoid valve status signal and complete shut-down state;
S244, simultaneously invalid in the full-gear of described solenoid valve status signal and complete shut-down state, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
S245, be full-gear at the solenoid valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
S246, be the complete shut-down state at the solenoid valve status signal, and when having got rid of two zero failure signal, produce the off status signal.
In operational process, controlled solenoid valve can move with other controlled device interlockings, automatically starts shipment (or automatically stopping transport) solenoid valve according to the available situation of relevant device, better meets the requirement of process system.In addition, the magnetic valve of nuclear power station control device of the embodiment of the invention has cured, and the user just can control and monitor dissimilar solenoid valves by the flexible configuration to its input/output signal.The user can also add self-defined control algolithm very easily, expands its control function.The user can be according to the situation of equipment, and configuration produces the guard signal of this equipment, under emergency situation, allows this equipment protection stop transport (or protection is started shipment), prevents device damage.Also can accept simultaneously operator's manual steering order.The steering order of instruction output unit output can directly be controlled on-the-spot single solenoid valve or dual-coil electromagnetic valve by the output function of dcs, also can be distributed in the formula control system other functional module and call.
In the magnetic valve of nuclear power station control device and control method of present embodiment, in order to satisfy nuclear power station conventional island and the nuclear island consistance on man machine operation interface, make following regulation: all are the change-over switch of the distant place that provides of driving stage equipment/on the spot on the spot, when normal operation, should be placed on remote location, cut to regard to position the time if any specific (special) requirements, should through after the main control room mandate, can carry out; All automatically rise/stop, the ON/OFF instruction, all are designed to be fixedly connected with, need be through the operations staff cut/throw selection; Need to determine whether to throw when automatic through the operations staff, can outside this control device, add in addition and cut the throwing logic, and then send into this control device.
Magnetic valve of nuclear power station control device of the present invention and control method, function and application requirement according to control system, reasonably improve original control system, give full play to the function of dcs, it can read the feedback signal from controlled solenoid valve automatically, and automatically carry out logical calculated, produce steering order and send to controlled solenoid valve.On-the-spot feedback states information exchange that simultaneously also will be relevant with controlled solenoid valve is crossed the digitizing man-machine interface and is offered operator, allows the relevant information that operator can this equipment of centralized knowledge.
The characteristics such as magnetic valve of nuclear power station control device control algorithm of the present invention is powerful, feedback information is abundant, farthest utilized the man-machine interface advantage of Computer Control Technology and advanced master-control room, thereby improved nuclear power station automatic control level and safety operation level, also alleviated simultaneously operator's working load.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (8)
1. a magnetic valve of nuclear power station control device is used for controlling the solenoid valve action of described nuclear power station, it is characterized in that, comprising:
Command process module is used for obtaining outside command information, comprises the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled solenoid valve feed back, and sends to described logical operation module;
Logical operation module, be used for according to priority ascending order and select present instruction from described manual command, automatic command, protection instruction, according to described present instruction and described enabled condition, produce the steering order of control solenoid valve action, and produce the logic output status signal according to described steering order and solenoid valve status signal;
Display module is used for showing described logic output status signal;
When described solenoid valve is single solenoid valve or dual-coil electromagnetic valve, described logical operation module comprises the instruction output unit, and described instruction output unit comprises priority judgment sub-unit, manual command output subelement, automatic command output subelement, protection instruction output subelement; Wherein,
The priority judgment sub-unit is used for according to priority ascending order and selects present instruction from described manual command, automatic command, protection instruction;
Described protection instruction output subelement is used in described present instruction during for the protection instruction, if described protection instruction for opening instruction, then described steering order if described protection instruction is the pass instruction, is not then exported steering order for opening instruction;
Described automatic command output subelement, being used in described present instruction is automatic command, and described enabled condition is when effective, if described automatic command is for opening instruction, then described steering order is for opening instruction, if described automatic command is not exported steering order for closing instruction;
Described manual command output subelement, being used in described present instruction is manual command, and described enabled condition is when being effective, if described manual command is for opening instruction, then described steering order is for opening instruction, if described manual command is not exported steering order for closing instruction.
2. magnetic valve of nuclear power station control device according to claim 1 is characterized in that, when described solenoid valve was single solenoid valve, described logical operation module also comprised the State-output unit, and described State-output unit comprises:
Open fault status signal and produce subelement, be used in described steering order for opening instruction, and the solenoid valve status signal is when exceeding for first schedule time from the complete shut-down state to full-gear, fault status signal is opened in generation;
Close fault status signal and produce subelement, be used for not being out instruction in described steering order, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
Two fault status signals produce subelements, are used for simultaneously effectively the time, producing two fault status signals at the full-gear of described solenoid valve status signal and complete shut-down state;
Two zero failure status signals produce subelements, and it is simultaneously invalid to be used at full-gear and the complete shut-down state of described solenoid valve status signal, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
Open status signal and produce subelement, being used at described solenoid valve status signal is full-gear, and when having got rid of a two fault-signal, produces and open status signal;
The off status signal produces subelement, and being used at described solenoid valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.
3. magnetic valve of nuclear power station control device according to claim 1 is characterized in that, when described solenoid valve was dual-coil electromagnetic valve, described instruction output unit also comprised the integrated logic judgment sub-unit; Wherein,
Described integrated logic judgment sub-unit is used for according to electrically operated valve status signal and the described steering order output of logic output status signal Comprehensive Control.
4. magnetic valve of nuclear power station control device according to claim 3 is characterized in that, when described solenoid valve was dual-coil electromagnetic valve, described logical operation module also comprised the State-output unit, and described State-output unit comprises:
Open fault status signal and produce subelement, be used in described steering order for opening instruction, and the solenoid valve status signal is when exceeding for first schedule time from the complete shut-down state to full-gear, fault status signal is opened in generation;
Close fault status signal and produce subelement, be used in described steering order for closing instruction, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
Two fault status signals produce subelements, are used for simultaneously effectively the time, producing two fault status signals at the full-gear of described solenoid valve status signal and complete shut-down state;
Two zero failure status signals produce subelements, and it is simultaneously invalid to be used at full-gear and the complete shut-down state of described solenoid valve status signal, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
Open status signal and produce subelement, being used at described solenoid valve status signal is full-gear, and when having got rid of a two fault-signal, produces and open status signal;
The off status signal produces subelement, and being used at described solenoid valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.
5. a magnetic valve of nuclear power station control method is characterized in that, may further comprise the steps:.
A, obtain outside command information, comprise the solenoid valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled device feed back;
B, according to priority ascending order are selected present instruction from described manual command, automatic command, protection instruction, according to described present instruction and described enabled condition, produce the steering order of control solenoid valve action, and show;
C, produce the logic output status signal according to described steering order and solenoid valve status signal, and show;
Further, when described solenoid valve is single solenoid valve or dual-coil electromagnetic valve, arbitrary step or multistep during described step B may further comprise the steps:
B11, according to priority ascending order are selected present instruction from manual command, automatic command, protection instruction;
B12, be protection during instruction in described present instruction, if the protection instruction for opening, then the steering order of instruction output unit output is for opening instruction, if protect instruction for closing, then the instruction output unit is not exported steering order;
B13, be automatic command in described present instruction, and enabled condition is when effective; If automatic command is for opening, then the steering order of instruction output unit output is for opening instruction; If automatic command is for closing, the instruction output unit is not exported steering order;
B14, be manual command in described present instruction, and enabled condition is when being effective, if manual command for opening, then the steering order of instruction output unit output is for opening instruction, if manual command for closing, the instruction output unit is not exported steering order.
6. magnetic valve of nuclear power station control method according to claim 5 is characterized in that, when described solenoid valve is single solenoid valve, and arbitrary step or multistep during described step B is further comprising the steps of:
B21, in described steering order for opening instruction, and the solenoid valve status signal produces and opens fault status signal when exceeding for first schedule time from the complete shut-down state to full-gear;
B22, be not out instruction in described steering order, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
B23, simultaneously effectively the time, produce two fault status signals at the full-gear of described solenoid valve status signal and complete shut-down state;
B24, simultaneously invalid in the full-gear of described solenoid valve status signal and complete shut-down state, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
B25, be full-gear at described solenoid valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
B26, be the complete shut-down state at described solenoid valve status signal, and when having got rid of two zero failure signal, produce the off status signal.
7. magnetic valve of nuclear power station control method according to claim 5 is characterized in that, when described solenoid valve was dual-coil electromagnetic valve, described step B may further comprise the steps:
B35, at described solenoid valve status signal when opening status signal, the instruction of opening that produces was lost efficacy, after the instruction of described pass is sent, the instruction of opening that produces was lost efficacy, the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal, the instruction of automatically, manually opening that produces was lost efficacy, and it is effective that instruction is opened in protection;
B36, when described solenoid valve status signal is the off status signal; the pass instruction that produces was lost efficacy; opening after instruction sends; the pass instruction that produces was lost efficacy; the solenoid valve status signal for open fault-signal, when closing fault-signal, a two fault-signal or two zero failure signal; the instruction of automatically, manually closing that produces was lost efficacy, and it is effective that instruction is closed in protection.
8. magnetic valve of nuclear power station control method according to claim 7 is characterized in that, when described solenoid valve is dual-coil electromagnetic valve, and arbitrary step or multistep during described step B is further comprising the steps of:
B41, in described steering order for opening instruction, and the solenoid valve status signal produces and opens fault status signal when exceeding for first schedule time from the complete shut-down state to full-gear;
B42, in described steering order for closing instruction, and the solenoid valve status signal produces and closes fault status signal when exceeding for second schedule time from full-gear to the complete shut-down state;
B43, simultaneously effectively the time, produce two fault status signals at the full-gear of described solenoid valve status signal and complete shut-down state;
B44, simultaneously invalid in the full-gear of described solenoid valve status signal and complete shut-down state, and when exceeding for the 3rd schedule time ineffective time simultaneously, produce two zero failure status signals;
B45, be full-gear at described solenoid valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
B46, be the complete shut-down state at described solenoid valve status signal, and when having got rid of two zero failure signal, produce the off status signal.
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| CN103165012B (en) * | 2011-12-14 | 2015-10-28 | 中国广核集团有限公司 | A kind of trainer of nuclear power station main steam isolation valve control system and method |
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| CN101783196A (en) | 2010-07-21 |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Patentee after: CHINA GENERAL NUCLEAR POWER Corp. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. |