CN105390170B - The control method of electromagnetic valve controlling system is closed in nuclear power station failure - Google Patents
The control method of electromagnetic valve controlling system is closed in nuclear power station failure Download PDFInfo
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- CN105390170B CN105390170B CN201510691733.9A CN201510691733A CN105390170B CN 105390170 B CN105390170 B CN 105390170B CN 201510691733 A CN201510691733 A CN 201510691733A CN 105390170 B CN105390170 B CN 105390170B
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- failure
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- magnet valve
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
-
- 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
Abstract
The control method of electromagnetic valve controlling system is closed in a kind of nuclear power station failure, is related to technical field of industrial control, and what is solved is the technical problem for reducing probability of damage and live load.This method closes solenoid valve control module for failure and sets five kinds of mode of operations, and five kinds of mode of operations are respectively manual mode, automatic mode, protect interlocking pattern, with regard to ground mode, listed pattern, and control rule accordingly for every kind of Working mode set.Method provided by the invention, the control for the powered-down magnet valve that failed suitable for nuclear power station.
Description
Technical field
The present invention relates to industrial control technology, is failed more particularly to a kind of nuclear power station and closes the control of electromagnetic valve controlling system
The technology of method.
Background technology
In nuclear power station, it is to close solenoid-driven by failure to have many equipment, in the powered-down magnet valve running that fails,
Staff needs to be monitored by operating the powered-down magnet valve operating condition of terminal-pair failure, the powered-down magnet valve of in good time control failure
Opening and closing.In the prior art, the operation correlation behavior or the number amount and type of alarm signal that the powered-down magnet valve itself that fails provides are very
It is limited, it is impossible to provide full information for staff to understand the actual motion state for the powered-down magnet valve that fails.Meanwhile only by work
The opening and closing of the manually operated powered-down magnet valve of failure of personnel, considerably increases the live load of operating personnel, there is because of operator
Misoperation causes the possibility of damage.
The content of the invention
For defect present in above-mentioned prior art, the technical problems to be solved by the invention are to provide a kind of energy fully
The powered-down magnet valve running state information that fails is provided, misoperation is effectively reduced and causes the probability of damage, and live load can be reduced
Nuclear power station failure close electromagnetic valve controlling system control method.
In order to solve the above-mentioned technical problem, the control of electromagnetic valve controlling system is closed in a kind of nuclear power station failure provided by the present invention
Method processed, it is related to nuclear power station failure and closes electromagnetic valve controlling system, electromagnetic valve controlling system is closed in the nuclear power station failure to be included being used for
Solenoid valve control module is closed in the failure of the powered-down magnet valve opening and closing of control failure, and inputs control for closing solenoid valve control module to failure
The operation terminal of instruction is made, for gathering the powered-down magnet valve working condition acquiring module of failure for the powered-down magnet valve floor data that fails, it is special
Sign is：
For failure close solenoid valve control module set five kinds of mode of operations, five kinds of mode of operations be respectively manual mode,
Automatic mode, protect interlocking pattern, with regard to ground mode, listed pattern, the initial operation mode that solenoid valve control module is closed in failure is
Manual mode；
The powered-down magnet valve that fails is normally closed solenoid valve so that failure is closed solenoid valve control module and broken down or during dead electricity,
The powered-down magnet valve that fails moves to closed positions；
The control method that each mode of operation of solenoid valve control module is closed in failure is as follows：
1）Manual mode
In a manual mode, failure close solenoid valve control module response operation terminal send automatic pattern switching instruction,
Listed pattern switching instruction, and mode of operation is switched into automatic mold when receiving operation terminal and sending automatic pattern switching instruction
Formula, mode of operation is switched into listed pattern when receiving operation terminal and sending listed pattern switching instruction；
In a manual mode, OPEN, the out code that solenoid valve control module response operation terminal is sent are closed in failure,
And the powered-down magnet valve of control failure moves to fully open position when receiving operation terminal and sending OPEN, operation terminal hair is being received
The powered-down magnet valve of control failure moves to closed positions when carrying out out code；
2）Automatic mode
In automatic mode, failure close solenoid valve control module response operation terminal send hand pattern switching instruction,
Listed pattern switching instruction, and other instructions that masking operation terminal is sent, and cut receiving operation terminal and sending manual mode
Mode of operation is switched into manual mode when changing instruction, when receiving operation terminal and sending listed pattern switching instruction by Working mould
Formula switches to listed pattern；
Solenoid valve control module is closed for failure and presets an open and close controlling rule, and in automatic mode, failure is powered-down
Magnet valve control module is failed the real-time working condition data of powered-down magnet valve by powered-down magnet valve working condition acquiring module collection of failing, and according to
The real-time working condition data gathered and the powered-down magnet valve of open and close controlling rule control set in advance failure open or close；
3）Protect interlocking pattern
Multiple interlock protection parameters are preset for the powered-down magnet valve that fails, and are every in solenoid valve control module is closed in failure
Individual one interlocking upper limit threshold of interlock protection parameter setting and an interlocking lower threshold；
Under manual mode or automatic mode, failure closes solenoid valve control module and passes through the powered-down magnet valve working condition acquiring mould that fails
Block collection fail powered-down magnet valve each interlock protection parameter instantaneous value, and by the instantaneous value of each interlock protection parameter respectively with respectively
Interlocking upper limit threshold, the interlocking lower threshold of interlock protection parameter are compared；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is more than or equal to
The interlocking upper limit threshold of the interlock protection parameter, failure close solenoid valve control module and control failure to close closed electromagnetic valve, and will
Mode of operation switches to protection interlocking pattern；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is less than or equal to
The interlocking lower threshold of the interlock protection parameter, failure close solenoid valve control module and control the powered-down magnet valve that fails to open, and will
Mode of operation switches to protection interlocking pattern；
In the case where protecting interlocking pattern, the powered-down magnet valve that fails is in dangerous running status, and solenoid valve control mould is closed in now failure
Hand pattern switching instruction that block masking operation terminal is sent, automatic pattern switching instruction, OPEN, out code, and lead to
Cross powered-down magnet valve working condition acquiring module collection of failing fail powered-down magnet valve each interlock protection parameter instantaneous value, and by each interlocking
The instantaneous value of Protection parameters respectively the interlocking upper limit threshold with each interlock protection parameter, interlocking lower threshold compared with；
In the case where protecting interlocking pattern, if the instantaneous value of each interlock protection parameter is both less than the interlock protection parameter
Interlock upper limit threshold and close solenoid valve control module more than the interlocking lower threshold of the interlock protection parameter, failure and will work
Pattern switching is to manual mode；
4）With regard to ground mode
A mode selector switch on the spot is set failing, under non-listed pattern, fail powered-down magnet valve on powered-down magnet valve
Control module detects the working condition of mode selector switch on the spot by the powered-down magnet valve working condition acquiring module that fails, if mould on the spot
Formula switching switch is in closure state, and failure closes solenoid valve control module and switches to mode of operation with regard to ground mode, if
Ground mode switching switch is off, and failure closes solenoid valve control module and mode of operation is switched into manual mode；
Under with regard to ground mode, failure close solenoid valve control module stop export OPEN, out code to failure it is powered-down
Magnet valve, now control the powered-down magnet valve of failure on the spot by operating personnel；
5）Listed pattern
Under listed pattern, failure pass solenoid valve control module is not responding to the hand pattern switching that operation terminal is sent and referred to
Make, automatic pattern switching instruction, and mode of operation is switched into hand when receiving operation terminal and sending releasing listed mode instruction
Dynamic model formula；
Under listed pattern, solenoid valve control module is closed in failure, and to stop export OPEN, out code powered-down to failure
Magnet valve, the pattern that is listed, which is used to fail, closes the maintenance and maintenance of electromagnetic valve actuating gear.
Further, after failure pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, closed by failing
The real-time working condition data of the powered-down magnet valve of magnetic valve working condition acquiring module collection failure, if do not collected relative with the control instruction
The feedback data answered, failure close solenoid valve control module and export corresponding failure alarm signal to operation terminal.
Further, if failure closes solenoid valve control module by failing what powered-down magnet valve working condition acquiring module collected
In the powered-down magnet valve real-time working condition data that fail, while include the powered-down magnet valve standard-sized sheet information of failure and the powered-down fully closed letter of magnet valve of failure
Breath, failure close solenoid valve control module i.e. to operation terminal output feedback failure alarm signal.
Further, after failure pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, closed by failing
The real-time working condition data of the powered-down magnet valve of magnetic valve working condition acquiring module collection failure, if it is complete both not collect the powered-down magnet valve of failure
Information is opened, and does not collect the powered-down fully closed information of magnet valve of failure, it is to be opened to operation terminal output that solenoid valve control module is closed in failure
Close failure alarm signal.
The control method of electromagnetic valve controlling system is closed in nuclear power station failure provided by the invention, to the various of powered-down magnet valve of failing
Operating condition design multiple-working mode, and different control modes is used to every kind of mode of operation, can the powered-down magnetic of automatic detection failure
The floor data of valve, and logical calculated is carried out automatically, control instruction is sent to the powered-down magnet valve of failure, set by logical algorithm
Meter, realize failure and close solenoid-driven and defencive function, reduce the possibility damaged caused by operator's misoperation, and
And the live load of operator can be reduced.
Embodiment
The present invention is described in further detail below in conjunction with specific embodiment, but the present embodiment is not limited to this hair
It is bright, every similar structure using the present invention and its similar change, protection scope of the present invention all should be included in, in the present invention
Number represent the relation of sum.
The control method of electromagnetic valve controlling system is closed in a kind of nuclear power station failure that the embodiment of the present invention is provided, and is related to nuclear power
Electromagnetic valve controlling system is closed in failure of standing, and electromagnetic valve controlling system is closed in the nuclear power station failure to be included being used to control the powered-down magnet valve that fails
Solenoid valve control module is closed in the failure of opening and closing, and for closing the operation end of solenoid valve control module input control instruction to failure
End, for gathering the powered-down magnet valve working condition acquiring module of failure for the powered-down magnet valve floor data that fails, it is characterised in that：
For failure close solenoid valve control module set five kinds of mode of operations, five kinds of mode of operations be respectively manual mode,
Automatic mode, protect interlocking pattern, with regard to ground mode, listed pattern, the initial operation mode that solenoid valve control module is closed in failure is
Manual mode；
The powered-down magnet valve that fails is normally closed solenoid valve so that failure is closed solenoid valve control module and broken down or during dead electricity,
The powered-down magnet valve that fails moves to closed positions；
The control method that each mode of operation of solenoid valve control module is closed in failure is as follows：
1）Manual mode
In a manual mode, failure close solenoid valve control module response operation terminal send automatic pattern switching instruction,
Listed pattern switching instruction, and mode of operation is switched into automatic mold when receiving operation terminal and sending automatic pattern switching instruction
Formula, mode of operation is switched into listed pattern when receiving operation terminal and sending listed pattern switching instruction；
In a manual mode, OPEN, the out code that solenoid valve control module response operation terminal is sent are closed in failure,
And the powered-down magnet valve of control failure moves to fully open position when receiving operation terminal and sending OPEN, operation terminal hair is being received
The powered-down magnet valve of control failure moves to closed positions when carrying out out code；
2）Automatic mode
In automatic mode, failure close solenoid valve control module response operation terminal send hand pattern switching instruction,
Listed pattern switching instruction, and other instructions that masking operation terminal is sent, and cut receiving operation terminal and sending manual mode
Mode of operation is switched into manual mode when changing instruction, when receiving operation terminal and sending listed pattern switching instruction by Working mould
Formula switches to listed pattern；
Solenoid valve control module is closed for failure and presets an open and close controlling rule, and in automatic mode, failure is powered-down
Magnet valve control module is failed the real-time working condition data of powered-down magnet valve by powered-down magnet valve working condition acquiring module collection of failing, and according to
The real-time working condition data gathered and the powered-down magnet valve of open and close controlling rule control set in advance failure open or close；
3）Protect interlocking pattern
To fail, powered-down magnet valve presets multiple interlock protection parameters（Such as operating temperature, the pressure for the powered-down magnet valve that fails
Power）, and be each one interlocking upper limit threshold of interlock protection parameter setting and a connection in solenoid valve control module is closed in failure
Lock lower threshold；
Under manual mode or automatic mode, failure closes solenoid valve control module and passes through the powered-down magnet valve working condition acquiring mould that fails
Block collection fail powered-down magnet valve each interlock protection parameter instantaneous value, and by the instantaneous value of each interlock protection parameter respectively with respectively
Interlocking upper limit threshold, the interlocking lower threshold of interlock protection parameter are compared；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is more than or equal to
The interlocking upper limit threshold of the interlock protection parameter, failure close solenoid valve control module and control failure to close closed electromagnetic valve, and will
Mode of operation switches to protection interlocking pattern；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is less than or equal to
The interlocking lower threshold of the interlock protection parameter, failure close solenoid valve control module and control the powered-down magnet valve that fails to open, and will
Mode of operation switches to protection interlocking pattern；
In the case where protecting interlocking pattern, the powered-down magnet valve that fails is in dangerous running status, and solenoid valve control mould is closed in now failure
Hand pattern switching instruction that block masking operation terminal is sent, automatic pattern switching instruction, OPEN, out code, and lead to
Cross powered-down magnet valve working condition acquiring module collection of failing fail powered-down magnet valve each interlock protection parameter instantaneous value, and by each interlocking
The instantaneous value of Protection parameters respectively the interlocking upper limit threshold with each interlock protection parameter, interlocking lower threshold compared with；
In the case where protecting interlocking pattern, if the instantaneous value of each interlock protection parameter is both less than the interlock protection parameter
Interlock upper limit threshold and close solenoid valve control module more than the interlocking lower threshold of the interlock protection parameter, failure and will work
Pattern switching is to manual mode；
4）With regard to ground mode
A mode selector switch on the spot is set failing, under non-listed pattern, fail powered-down magnet valve on powered-down magnet valve
Control module detects the working condition of mode selector switch on the spot by the powered-down magnet valve working condition acquiring module that fails, if mould on the spot
Formula switching switch is in closure state, and failure closes solenoid valve control module and switches to mode of operation with regard to ground mode, if
Ground mode switching switch is off, and failure closes solenoid valve control module and mode of operation is switched into manual mode；
Under with regard to ground mode, failure close solenoid valve control module stop export OPEN, out code to failure it is powered-down
Magnet valve, now control the powered-down magnet valve of failure on the spot by operating personnel；
5）Listed pattern
Under listed pattern, failure pass solenoid valve control module is not responding to the hand pattern switching that operation terminal is sent and referred to
Make, automatic pattern switching instruction, and mode of operation is switched into hand when receiving operation terminal and sending releasing listed mode instruction
Dynamic model formula；
Under listed pattern, solenoid valve control module is closed in failure, and to stop export OPEN, out code powered-down to failure
Magnet valve, the pattern that is listed, which is used to fail, closes the maintenance and maintenance of electromagnetic valve actuating gear.
In the embodiment of the present invention, after failure pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, pass through
The powered-down magnet valve working condition acquiring module that fails gathers the real-time working condition data for the powered-down magnet valve that fails, and refers to if do not collected with the control
Corresponding feedback data is made, failure closes solenoid valve control module and exports corresponding failure alarm signal to operation terminal.
In the embodiment of the present invention, adopted if solenoid valve control module is closed in failure by the powered-down magnet valve working condition acquiring module that fails
In the powered-down magnet valve real-time working condition data of failure collected, while include the powered-down magnet valve standard-sized sheet information of failure and the powered-down magnet valve of failure
Fully closed information, failure close solenoid valve control module i.e. to operation terminal output feedback failure alarm signal.
In the embodiment of the present invention, after failure pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, pass through
The powered-down magnet valve working condition acquiring module that fails gathers the real-time working condition data for the powered-down magnet valve that fails, if it is powered-down both not collect failure
Magnet valve standard-sized sheet information, and the powered-down fully closed information of magnet valve of failure is not collected, failure closes solenoid valve control module i.e. to operation terminal
Output opening and closing failure alarm signal.
Claims (4)
1. the control method of electromagnetic valve controlling system is closed in a kind of nuclear power station failure, it is related to nuclear power station failure and closes solenoid valve control system
System, electromagnetic valve controlling system is closed in the nuclear power station failure to be included being used for the powered-down magnet valve control of failure for controlling powered-down magnet valve opening and closing of failing
Molding block, and for closing the operation terminal of solenoid valve control module input control instruction to failure, for gathering the powered-down magnetic that fails
The powered-down magnet valve working condition acquiring module of failure of valve floor data, it is characterised in that：
Solenoid valve control module is closed for failure and sets five kinds of mode of operations, and five kinds of mode of operations are respectively manual mode, automatic
Pattern, protect interlocking pattern, with regard to ground mode, listed pattern, the initial operation mode that solenoid valve control module is closed in failure is manual
Pattern；
The powered-down magnet valve that fails is normally closed solenoid valve so that failure is closed solenoid valve control module and broken down or during dead electricity, failure
Powered-down magnet valve moves to closed positions；
The control method that each mode of operation of solenoid valve control module is closed in failure is as follows：
1）Manual mode
In a manual mode, failure closes the automatic pattern switching that solenoid valve control module response operation terminal is sent and instructs, be listed
Pattern switching is instructed, and mode of operation is switched into automatic mode when receiving operation terminal and sending automatic pattern switching instruction,
Mode of operation is switched into listed pattern when receiving operation terminal and sending listed pattern switching instruction；
In a manual mode, failure close solenoid valve control module response operation terminal send OPEN, out code, and
Receive control failure powered-down magnet valve when operation terminal sends OPEN and move to fully open position, pass is sent receiving operation terminal
The powered-down magnet valve of control failure moves to closed positions when closing instruction；
2）Automatic mode
In automatic mode, failure closes the hand pattern switching that solenoid valve control module response operation terminal is sent and instructs, be listed
Pattern switching instructs, and other instructions that masking operation terminal is sent, and refers to receiving operation terminal and sending hand pattern switching
Mode of operation is switched into manual mode when making, cut mode of operation when receiving operation terminal and sending listed pattern switching instruction
Shift to listed pattern；
Solenoid valve control module is closed for failure and presets an open and close controlling rule, and in automatic mode, fail powered-down magnet valve
Control module is failed the real-time working condition data of powered-down magnet valve by powered-down magnet valve working condition acquiring module collection of failing, and according to being adopted
The real-time working condition data of collection and the powered-down magnet valve of open and close controlling rule control set in advance failure open or close；
3）Protect interlocking pattern
Multiple interlock protection parameters are preset for the powered-down magnet valve that fails, and are each in solenoid valve control module is closed in failure
Lock Protection parameters and set an interlocking upper limit threshold and an interlocking lower threshold；
Under manual mode or automatic mode, failure pass solenoid valve control module is adopted by the powered-down magnet valve working condition acquiring module that fails
Collection fail powered-down magnet valve each interlock protection parameter instantaneous value, and by the instantaneous value of each interlock protection parameter respectively with each interlocking
Interlocking upper limit threshold, the interlocking lower threshold of Protection parameters are compared；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is more than or equal to the connection
The interlocking upper limit threshold of Protection parameters is locked, failure closes solenoid valve control module and controls failure to close closed electromagnetic valve, and by work
Pattern switching extremely protects interlocking pattern；
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter therein is less than or equal to the connection
The interlocking lower threshold of Protection parameters is locked, failure closes solenoid valve control module and controls the powered-down magnet valve of failing to open, and by work
Pattern switching extremely protects interlocking pattern；
In the case where protecting interlocking pattern, the powered-down magnet valve that fails is in dangerous running status, and solenoid valve control module screen is closed in now failure
Hand pattern switching instruction, automatic pattern switching instruction, OPEN, out code that operation terminal is sent are covered, and passes through mistake
Imitate the collection of powered-down magnet valve working condition acquiring module fail powered-down magnet valve each interlock protection parameter instantaneous value, and by each interlock protection
The instantaneous value of parameter respectively the interlocking upper limit threshold with each interlock protection parameter, interlocking lower threshold compared with；
In the case where protecting interlocking pattern, if the instantaneous value of each interlock protection parameter is both less than the interlocking of the interlock protection parameter
Upper limit threshold and the interlocking lower threshold for being more than the interlock protection parameter, failure close solenoid valve control module i.e. by mode of operation
Switch to manual mode；
4）With regard to ground mode
A mode selector switch on the spot is set failing, under non-listed pattern, solenoid valve control is closed in failure on powered-down magnet valve
Module detects the working condition of mode selector switch on the spot by the powered-down magnet valve working condition acquiring module that fails, and is cut if with regard to ground mode
Change switch and be in closure state, failure closes solenoid valve control module and switches to mode of operation with regard to ground mode, if mould on the spot
Formula switching switch is off, and failure closes solenoid valve control module and mode of operation is switched into manual mode；
Under with regard to ground mode, the solenoid valve control module stopping of failure pass exports OPEN, out code gives failure powered-down magnet valve,
Now control the powered-down magnet valve of failure on the spot by operating personnel；
5）Listed pattern
Under the pattern of being listed, failure pass solenoid valve control module is not responding to the hand pattern switching that operation terminal is sent and instructed, certainly
Dynamic model formula switching command, and mode of operation is switched into manual mould when receiving operation terminal and sending releasing listed mode instruction
Formula；
Under the pattern of being listed, the solenoid valve control module stopping of failure pass exports OPEN, out code gives failure powered-down magnet valve,
Listed pattern, which is used to fail, closes the maintenance and maintenance of electromagnetic valve actuating gear.
2. the control method of electromagnetic valve controlling system is closed in nuclear power station failure according to claim 1, it is characterised in that：Failure
After pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, pass through the powered-down magnet valve working condition acquiring module that fails and gather
Fail the real-time working condition data of powered-down magnet valve, if not collecting the feedback data corresponding with the control instruction, failure is powered-down
Magnet valve control module exports corresponding failure alarm signal to operation terminal.
3. the control method of electromagnetic valve controlling system is closed in nuclear power station failure according to claim 1, it is characterised in that：If
The powered-down magnet valve real-time working condition of failure that solenoid valve control module is collected by the powered-down magnet valve working condition acquiring module that fails is closed in failure
In data, while include the powered-down magnet valve standard-sized sheet information of failure and the powered-down fully closed information of magnet valve of failure, failure pass solenoid valve control
Module is i.e. to operation terminal output feedback failure alarm signal.
4. the control method of electromagnetic valve controlling system is closed in nuclear power station failure according to claim 1, it is characterised in that：Failure
After pass solenoid valve control module sends control instruction to the powered-down magnet valve that fails, pass through the powered-down magnet valve working condition acquiring module that fails and gather
Fail the real-time working condition data of powered-down magnet valve, if both not collecting the powered-down magnet valve standard-sized sheet information of failure, and does not collect failure
The powered-down fully closed information of magnet valve, failure close solenoid valve control module i.e. to operation terminal output opening and closing failure alarm signal.
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| CN201510691733.9A CN105390170B (en) | 2015-10-23 | 2015-10-23 | The control method of electromagnetic valve controlling system is closed in nuclear power station failure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510691733.9A CN105390170B (en) | 2015-10-23 | 2015-10-23 | The control method of electromagnetic valve controlling system is closed in nuclear power station failure |
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| CN105390170B true CN105390170B (en) | 2017-12-05 |
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| CN202645649U (en) * | 2012-06-27 | 2013-01-02 | 国核自仪系统工程有限公司 | Emergency trip system of redundancy type turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013054657A (en) * | 2011-09-06 | 2013-03-21 | Canon Inc | Information processing apparatus and method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202645649U (en) * | 2012-06-27 | 2013-01-02 | 国核自仪系统工程有限公司 | Emergency trip system of redundancy type turbine |
| CN203880171U (en) * | 2014-03-25 | 2014-10-15 | 上海飞奥燃气设备有限公司 | Fuel gas pressure regulating device |
| CN204516679U (en) * | 2015-04-17 | 2015-07-29 | 福建省宏科电力科技有限公司 | A kind of linkage control device |
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