CN101783194B - Control device of electrically operated valve of nuclear power station and control method - Google Patents
Control device of electrically operated valve of nuclear power station and control method Download PDFInfo
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- CN101783194B CN101783194B CN2009101888495A CN200910188849A CN101783194B CN 101783194 B CN101783194 B CN 101783194B CN 2009101888495 A CN2009101888495 A CN 2009101888495A CN 200910188849 A CN200910188849 A CN 200910188849A CN 101783194 B CN101783194 B CN 101783194B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The invention relates to a control device method thereof of an electrically operated valve of a nuclear power station and a control, wherein the control device is used for controlling the action of the electrically operated valve of the nuclear power station, and comprises a command process module, a logistic 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 an electrically operated valve status signal fed back by the controlled electrically operated valve, and sends the information to the logistic operation module; the logistic 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 for controlling the electrically operated valve according to the current command and the enabled conditions and generating a logical output operation signal according to the control command and the electrically operated valve status signal; and the display module is used for displaying the logical output operation signal. The invention improves the automation operation level of the nuclear power station electrically operated 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 electrically operated 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 electrically operated 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 electrically operated valve 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 electrically operated valve of nuclear power station control device, be used for controlling the electrically operated valve action of described nuclear power station, it comprises: command process module, be used for obtaining outside command information, comprise the electrically operated 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 electrically operated valve action, and produce the logic output status signal according to described steering order and electrically operated valve status signal;
Display module is used for showing described logic output status signal.
The present invention also provides a kind of electrically operated valve of nuclear power station control method, and it may further comprise the steps:
A, obtain outside command information, comprise the electrically operated 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 electrically operated valve action, and show;
C, produce the logic output status signal according to described steering order and electrically operated valve status signal, and show.
Electrically operated 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 electrically operated valve automatically, and automatically carry out logical calculated, and steering order is sent to electrically operated 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 electrically operated 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 electrically operated valve of nuclear power station control device of the embodiment of the invention;
Fig. 3 is instruction output process flow diagram in the electrically operated valve control that stops in the band of electrically operated valve of nuclear power station control method of the embodiment of the invention;
Fig. 4 is instruction output process flow diagram during the completely open and close electrically operated valve of the electrically operated valve of nuclear power station control method of the embodiment of the invention is controlled.
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 electrically operated 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 electrically operated valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled electrically operated valve 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 electrically operated valve action, and produce the logic output status signal according to steering order and electrically operated valve status signal.Display module display logic output status signal namely uses the display processing methods such as color change, literal indication, in the upper operation conditions that electrically operated valve is provided for operating personnel of HMI (man-machine interface).
In the present embodiment; as shown in Figure 2; when electrically operated valve is the electrically operated valve that stops in the band; 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 and comprehensive decision logic unit.
Wherein, the 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, then the steering order of instruction output unit output is for opening instruction; If the protection instruction is for closing, 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 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.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 steering order of instruction output unit output is the pass instruction.
Comprehensive decision logic unit; be used at the electrically operated valve status signal when opening status signal; the instruction of opening that produces was lost efficacy; closing after instruction or middle stop instruction send, the instruction of opening of generation was lost efficacy, when the electrically operated valve status signal be a pair fault-signal; the instruction of opening in the automatic command that produces, the manual command was lost efficacy; protection in the instruction to open instruction effective, when the electrically operated valve status signal was the equipment failure state signal, the instruction of opening in the automatic command of generation, manual command and the protection instruction was lost efficacy.When the electrically operated valve status signal is the off status signal; the pass instruction that produces was lost efficacy; after opening instruction or middle stop instruction and sending; the pass instruction that produces was lost efficacy; when the electrically operated valve status signal was a two fault-signal, the automatic command of generation, the pass instruction in the manual command were lost efficacy, and the pass instruction in the protection instruction is effective; when the electrically operated valve status signal was the equipment failure state signal, the pass instruction in the automatic command of generation, manual command and the protection instruction was lost efficacy.
In the present embodiment, as shown in Figure 2, when electrically operated valve was the electrically operated valve that stops in the band, logical operation module also comprised the State-output unit, can produce the logic output status signal according to steering order and electrically operated valve status signal.Wherein the State-output unit comprises: the electrically operated valve fault status signal produces subelement, a two fault status signal and produces subelement, opens status signal and produce that subelement, off status signal produce subelement, middle off-position is put signal and produced subelement.
Wherein, the electrically operated valve fault status signal produces subelement, is used for producing the electrically operated valve fault status signal when electrically operated valve breaks down.Two fault status signals produce subelements, are used for simultaneously effectively the time, producing two fault status signals at the full-gear of described electrically operated valve status signal and complete shut-down state.Open status signal and produce subelement, being used at described electrically operated 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 electrically operated valve status signal is the complete shut-down state, and when having got rid of a two fault-signal, produces the off status signal.Middle off-position is put signal generation subelement and is put signal for generation of off-position in the electrically operated valve.
In the present embodiment; as shown in Figure 2; when electrically operated valve is the electrically operated valve of completely open and close; 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 comprehensive decision logic unit.
Wherein, the 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.
Comprehensive decision logic unit; be used at described electrically operated 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 electrically operated 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; protection in the instruction to open instruction effective; when the electrically operated valve status signal was the electrically operated valve fault status signal, the instruction of opening in the automatic command of generation, manual command, the protection instruction was lost efficacy.When described electrically operated valve status signal is the off status signal; the pass instruction that produces was lost efficacy; open after instruction sends described; the pass instruction that produces was lost efficacy; the electrically operated 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; pass instruction in the protection instruction is effective; when the electrically operated valve status signal was the electrically operated valve fault status signal, the pass instruction in the automatic command of generation, manual command, the protection instruction was lost efficacy.
In the present embodiment, as shown in Figure 2, when electrically operated valve was the electrically operated valve of completely open and close, logical operation module also comprised the State-output unit, and it produces the logic output status signal according to steering order and electrically operated valve status signal.Wherein the State-output unit comprises: the electrically operated valve fault status signal produces subelement, open fault status signal and produce subelement, close fault status signal and produce subelement, two fault status signals produce subelement, two zero failure status signals produce subelement, open status signal and produce subelement and off status signal generation subelement.
Wherein, open fault status signal and produce subelement, be used in steering order for opening instruction, and the electrically operated 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 electrically operated 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 electrically operated 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 electrically operated 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 electrically operated 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 electrically operated valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.The electrically operated valve fault status signal produces subelement, is used for producing the electrically operated valve fault status signal when electrically operated valve breaks down.
According to above electrically operated valve of nuclear power station control system, the present invention also provides a kind of electrically operated valve of nuclear power station control method, and it may further comprise the steps:
S100, obtain outside command information, comprise the electrically operated valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled electrically operated valve 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 electrically operated valve action, and show;
S300, produce the logic output status signal according to described steering order and electrically operated valve status signal, and show.
Wherein, when controlled electrically operated valve for the band in stop electrically operated valve the time, 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 the protection instruction for closing, then to export steering order be the pass instruction to the instruction output unit;
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 steering order of instruction output unit output is for closing instruction;
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 for closing instruction, instruction output unit output steering order is the pass instruction;
S215, at the electrically operated valve status signal when opening status signal, the instruction of opening that produces was lost efficacy, closing after instruction or middle stop instruction send, the instruction of opening that produces was lost efficacy, when the electrically operated valve status signal was a two fault-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 electrically operated valve status signal was the equipment failure state signal, the instruction of opening in the automatic command of generation, manual command and the protection instruction was lost efficacy;
S216, when the electrically operated valve status signal is the off status signal; the pass instruction that produces was lost efficacy; after opening instruction or middle stop instruction and sending; the pass instruction that produces was lost efficacy; when the electrically operated valve status signal was a two fault-signal, the automatic command of generation, the pass instruction in the manual command were lost efficacy, and the pass instruction in the protection instruction is effective; when the electrically operated valve status signal was the equipment failure state signal, the pass instruction in the automatic command of generation, manual command and the protection instruction was lost efficacy.
S221, when electrically operated valve breaks down, produce the electrically operated valve fault status signal;
S222, simultaneously effectively the time, produce two fault status signals at the full-gear of described electrically operated valve status signal and complete shut-down state;
S223, be full-gear at described electrically operated valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
S224, be the complete shut-down state at described electrically operated valve status signal, and when having got rid of a two fault-signal, produce the off status signal;
Off-position is put signal in S225, the generation electrically operated valve.
Wherein, when electrically operated valve is the electrically operated valve of completely open and close, 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 described electrically operated 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 electrically operated 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, protection in the instruction to open instruction effective, when the electrically operated valve status signal was the electrically operated valve fault status signal, the instruction of opening in the automatic command of generation, manual command, the protection instruction was lost efficacy;
S236, when described electrically operated valve status signal is the off status signal; the pass instruction that produces was lost efficacy; open after instruction sends described; the pass instruction that produces was lost efficacy; the electrically operated 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; pass instruction in the protection instruction is effective; when the electrically operated valve status signal was the electrically operated valve fault status signal, the pass instruction in the automatic command of generation, manual command, the protection instruction was lost efficacy.
S241, in steering order for opening instruction, and the electrically operated 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 electrically operated 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 electrically operated valve status signal and complete shut-down state;
S244, simultaneously invalid in the full-gear of described electrically operated 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 electrically operated 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 electrically operated valve status signal, and when having got rid of two zero failure signal, produce the off status signal;
S247, when electrically operated valve breaks down, produce the electrically operated valve fault status signal.
In operational process, controlled electrically operated valve can move with other controlled device interlockings, automatically starts shipment (or automatically stopping transport) electrically operated valve according to the available situation of relevant device, better meets the requirement of process system.In addition, the electrically operated valve of nuclear power station control device of the embodiment of the invention has cured, and the user just can control and monitor dissimilar electrically operated 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 electrically operated valve, and configuration produces the guard signal of this electrically operated valve, under emergency situation, allows this electrically operated valve protection stop transport (or protection is started shipment), prevents that electrically operated valve from damaging.Also can accept simultaneously operator's manual steering order.The steering order of instruction output unit output can directly be controlled the electrically operated valve that stops in the on-the-spot band or the electrically operated valve of completely open and close by the output function of dcs, also can be distributed in the formula control system other functional module and call.
In the electrically operated 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.
Electrically operated 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 electrically operated valve automatically, and automatically carry out logical calculated, produce steering order and send to controlled electrically operated valve.On-the-spot feedback states information exchange that simultaneously also will be relevant with controlled electrically operated valve is crossed the digitizing man-machine interface and is offered operator, allows the relevant information that operator can this electrically operated valve of centralized knowledge.
The characteristics such as electrically operated 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 (6)
1. an electrically operated valve of nuclear power station control device is used for controlling the electrically operated 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 electrically operated valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled electrically operated 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 electrically operated valve action, and produce the logic output status signal according to described steering order and electrically operated valve status signal;
Display module is used for showing described logic output status signal;
When described electrically operated valve for band in during the electrically operated valve of the electrically operated valve that stops or completely open and close; described logical operation module comprises the instruction output unit; described instruction output unit comprises priority judgment sub-unit, manual command output subelement, automatic command output subelement, protection instruction output subelement and comprehensive decision logic unit; wherein
Described 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 for when described present instruction is the protection instruction, and exporting described steering order is described protection instruction;
Described automatic command output subelement, being used in described present instruction is automatic command, and described enabled condition is when effective, exporting described steering order is described automatic command;
Described manual command output subelement, being used in described present instruction is manual command, and described enabled condition is when being effective, exporting described steering order is described manual command;
Described comprehensive decision logic unit is used for according to electrically operated valve status signal and the described steering order output of logic output status signal Comprehensive Control.
2. electrically operated valve of nuclear power station control device according to claim 1 is characterized in that, when described electrically operated valve was the electrically operated valve that stops in the band, described logical operation module also comprised the State-output unit, and described State-output unit comprises:
The electrically operated valve fault status signal produces subelement, is used for producing the electrically operated valve fault status signal when electrically operated valve breaks down;
Two fault status signals produce subelements, are used for simultaneously effectively the time, producing two fault status signals at the full-gear of described electrically operated valve status signal and complete shut-down state;
Open status signal and produce subelement, being used at described electrically operated 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 electrically operated valve status signal is the complete shut-down state, and when having got rid of a two fault-signal, produces the off status signal;
Middle off-position is put signal and is produced subelement, puts signal for generation of off-position in the electrically operated valve.
3. electrically operated valve of nuclear power station control device according to claim 1, it is characterized in that, when described electrically operated valve is the electrically operated valve of completely open and close, described logical operation module also comprises the State-output unit, is used for producing the logic output status signal according to described steering order and electrically operated valve status signal; Described State-output unit comprises:
The electrically operated valve fault status signal produces subelement, is used for producing the electrically operated valve fault status signal when electrically operated valve breaks down;
Open fault status signal and produce subelement, be used in described steering order for opening instruction, and the electrically operated 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 electrically operated 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 electrically operated 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 electrically operated 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 electrically operated 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 electrically operated valve status signal is the complete shut-down state, and when having got rid of two zero failure signal, produces the off status signal.
4. an electrically operated valve of nuclear power station control method is characterized in that, may further comprise the steps:.
A, obtain outside command information, comprise the electrically operated valve status signal that manual command, automatic command, protection instruction, enabled condition and controlled electrical equipment 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 electrically operated valve action, and show;
C, produce the logic output status signal according to described steering order and electrically operated valve status signal, and show;
When described electrically operated valve for band in during the electrically operated valve of the electrically operated valve that stops or completely open and close, arbitrary step or multistep during described step B may further comprise the steps:
B11, according to priority ascending order are selected present instruction from described manual command, automatic command, protection instruction;
B12, be protection during instruction in described present instruction, if described protection instruction for opening instruction, then described steering order is for opening instruction, if described protection instruction for closing instruction, then the steering order of output is the pass instruction;
B13, be automatic command in described present instruction, and described enabled condition is when effective, if described automatic command for opening instruction, then described steering order is for opening instruction, if described automatic command is for closing instruction, the output steering order is for closing instruction;
B14, be manual command in described present instruction, and described enabled condition is when being effective, if described manual command for opening instruction, then described steering order is for opening instruction, if described automatic command is for closing instruction, the output steering order is for closing instruction;
B15, at described electrically operated 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, when the electrically operated valve status signal was a two fault-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 electrically operated valve status signal was the electrically operated valve fault status signal, the instruction of opening in the automatic command of generation, manual command, the protection instruction was lost efficacy;
B16, when described electrically operated valve status signal is the off status signal; the pass instruction that produces was lost efficacy; open after instruction sends described; the pass instruction that produces was lost efficacy; when the electrically operated valve status signal was a two fault-signal, the automatic command of generation, the pass instruction in the manual command were lost efficacy, and the pass instruction in the protection instruction is effective; when the electrically operated valve status signal was the electrically operated valve fault status signal, the pass instruction in the automatic command of generation, manual command, the protection instruction was lost efficacy.
5. electrically operated valve of nuclear power station control method according to claim 4 is characterized in that, when described electrically operated valve is the electrically operated valve that stops in the band, and arbitrary step or multistep during described step B is further comprising the steps of:
B21, when electrically operated valve breaks down, produce the electrically operated valve fault status signal;
B22, simultaneously effectively the time, produce two fault status signals at the full-gear of described electrically operated valve status signal and complete shut-down state;
B23, be full-gear at described electrically operated valve status signal, and when having got rid of a two fault-signal, produce and open status signal;
B24, be the complete shut-down state at described electrically operated valve status signal, and when having got rid of a two fault-signal, produce the off status signal;
Off-position is put signal in B25, the generation electrically operated valve.
6. electrically operated valve of nuclear power station control method according to claim 4 is characterized in that, when described electrically operated valve is the electrically operated valve of completely open and close, 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 electrically operated 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 electrically operated 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 electrically operated valve status signal and complete shut-down state;
B44, simultaneously invalid in the full-gear of described electrically operated 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 electrically operated 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 electrically operated valve status signal, and when having got rid of two zero failure signal, produce the off status signal;
B47, when electrically operated valve breaks down, produce the electrically operated valve fault status signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101888495A CN101783194B (en) | 2009-12-15 | 2009-12-15 | Control device of electrically operated valve of nuclear power station and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102176330B (en) * | 2011-02-22 | 2013-11-06 | 中广核工程有限公司 | Grouped control method for nuclear station and system thereof |
| CN103672148B (en) * | 2013-12-12 | 2017-10-31 | 中广核工程有限公司 | A kind of method and system for detecting main steam isolation valve of nuclear power plant |
| CN104500151B (en) * | 2014-12-08 | 2016-05-11 | 中广核工程有限公司 | Duty control method and system during steam turbine for nuclear power station regulates |
| CN105370960B (en) * | 2015-10-23 | 2017-12-05 | 国核自仪系统工程有限公司 | The control method of nuclear power station total travel motor-driven valve control system |
| CN108730598A (en) * | 2017-04-17 | 2018-11-02 | 江苏核电有限公司 | A kind of nuclear power station radgas sampling solenoid valve remote control apparatus and method |
| CN107763282B (en) * | 2017-09-29 | 2019-07-19 | 北京广利核系统工程有限公司 | A kind of control device and control method of electric control valve |
| CN110296255B (en) * | 2019-06-27 | 2020-11-10 | 中国船舶重工集团公司第七一九研究所 | Priority control device and control method suitable for fully-sealed electric valve |
| CN110568777B (en) * | 2019-08-13 | 2021-10-15 | 中广核工程有限公司 | Digital control system and driving device and driving circuit thereof |
| CN110611311B (en) * | 2019-09-26 | 2020-11-24 | 国核电力规划设计研究院有限公司 | Power distribution method and device for electric valve |
| CN117092956B (en) * | 2023-10-16 | 2024-01-09 | 成都秦川物联网科技股份有限公司 | Gas flowmeter valve control linkage control method, system and equipment based on Internet of things |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |