CN105370608B - The control method of nuclear power station Double Speed Fan control system - Google Patents
The control method of nuclear power station Double Speed Fan control system Download PDFInfo
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- CN105370608B CN105370608B CN201510691794.5A CN201510691794A CN105370608B CN 105370608 B CN105370608 B CN 105370608B CN 201510691794 A CN201510691794 A CN 201510691794A CN 105370608 B CN105370608 B CN 105370608B
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- speed fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
A kind of control method of nuclear power station Double Speed Fan control system, is related to technical field of industrial control, and what is solved is to reduce the technical problem of probability of damage and live load.This method is that Double Speed Fan control module sets two kinds of working conditions and five kinds of mode of operations; two kinds of working conditions are respectively fast state, lower-speed state; 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.The method that the present invention is provided, it is adaptable to the control of nuclear power station Double Speed Fan.
Description
Technical field
The present invention relates to industrial control technology, more particularly to a kind of control method of nuclear power station Double Speed Fan control system
Technology.
Background technology
In nuclear power station, there are many equipment to be driven by Double Speed Fan, in Double Speed Fan running, staff
Need by operating terminal-pair Double Speed Fan operating condition to be monitored, in good time control Double Speed Fan start and stop.In the prior art,
The operation correlation behavior or the number amount and type of alarm signal that Double Speed Fan itself is provided are extremely limited, it is impossible to carried for staff
For full information to understand the actual motion state of Double Speed Fan.Meanwhile, only opening by the manually operated Double Speed Fan of staff
Stop, considerably increase the live load of operating personnel, there is the possibility damaged caused by operator's misoperation.
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
Double Speed Fan running state information is provided, effectively reduction misoperation causes the probability damaged, and can reduce the core of live load
The control method of power station Double Speed Fan control system.
In order to solve the above-mentioned technical problem, the controlling party of a kind of nuclear power station Double Speed Fan control system provided by the present invention
Method, is related to nuclear power station Double Speed Fan control system, and the nuclear power station Double Speed Fan control system includes being used to control Double Speed Fan
The Double Speed Fan control module of operation, the operation terminal for inputting control instruction to Double Speed Fan control module, and for adopting
Collect the Double Speed Fan working condition acquiring module of Double Speed Fan floor data, it is characterised in that：
Two kinds of working conditions and five kinds of mode of operations, the two of Double Speed Fan control module are set for Double Speed Fan control module
It is respectively fast state, lower-speed state to plant working condition, and five kinds of mode of operations of Double Speed Fan control module are respectively manual mould
Formula, automatic mode, protection interlocking pattern, with regard to ground mode, listed pattern, the original operating state of Double Speed Fan control module is low
Fast state, the initial operation mode of Double Speed Fan control module is manual mode；
When Double Speed Fan control module is in lower-speed state, if Double Speed Fan control module receives operation, terminal sends height
Fast status switching instruction, Double Speed Fan control module is with by working condition switching to fast state；
Double Speed Fan control module be in fast state when, if Double Speed Fan control module receive operation terminal send it is low
Fast status switching instruction, Double Speed Fan control module is with by working condition switching to lower-speed state；
The control method of each mode of operation of Double Speed Fan control module is as follows：
1）Manual mode
In a manual mode, the automatic pattern switching that Double Speed Fan control module response operation terminal is sent instructs, is listed
Pattern switching is instructed, and mode of operation is switched into automatic mode receiving when operation terminal sends automatic pattern switching instruction,
Mode of operation is switched into listed pattern receiving when operation terminal sends the instruction of listed pattern switching；
In a manual mode, the enabled instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation
When terminal sends enabled instruction, if Double Speed Fan control module is in fast state, Double Speed Fan high-speed starting is controlled, such as
Fruit Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low rate start；
In a manual mode, the halt instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation
When terminal sends halt instruction, if Double Speed Fan control module is in fast state, control Double Speed Fan stops at a high speed, such as
Fruit Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low speed to stop；
2）Automatic mode
In automatic mode, the hand pattern switching that Double Speed Fan control module response operation terminal is sent instructs, is listed
Pattern switching is instructed, and other instructions that masking operation terminal is sent, and is referred to receiving operation terminal and sending hand pattern switching
Mode of operation is switched into manual mode when making, mode of operation is cut receiving when operation terminal sends listed pattern switching instruction
Shift to listed pattern；
A start-up and shut-down control rule is preset for Double Speed Fan control module, in automatic mode, Double Speed Fan control
Module gathers the real-time working condition data of Double Speed Fan by Double Speed Fan working condition acquiring module, and according to the real-time working condition gathered
Data and start-up and shut-down control set in advance rule, the control Double Speed Fan high speed when Double Speed Fan control module is in fast state
Start or stop at a high speed, control Double Speed Fan low rate start or low speed stop when Double Speed Fan control module is in lower-speed state
Only；
3）Protect interlocking pattern
Multiple interlock protection parameters are preset for Double Speed Fan, and are that each interlocking is protected in Double Speed Fan control module
Protect one interlocking upper limit threshold of parameter setting and an interlocking lower threshold；
Under manual mode or automatic mode, Double Speed Fan control module gathers double by Double Speed Fan working condition acquiring module
The instantaneous value of each interlock protection parameter of fast blower fan, and by the instantaneous value of each interlock protection parameter respectively with each interlock protection parameter
Interlocking upper limit threshold, interlocking lower threshold be 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, and Double Speed Fan control module is under fast state, Double Speed Fan control mould
Block is that control Double Speed Fan stops at a high speed, and mode of operation is switched into protection interlocking pattern；
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, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control mould
Block is that control Double Speed Fan low speed stops, and mode of operation is switched into 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, and Double Speed Fan control module is under fast state, Double Speed Fan control mould
Block is control Double Speed Fan high-speed starting, and mode of operation is switched into 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, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control mould
Block is control Double Speed Fan low rate start, and mode of operation is switched into protection interlocking pattern；
Under protection interlocking pattern, Double Speed Fan is in dangerous running status, now Double Speed Fan control module shielding behaviour
Hand pattern switching instruction, automatic pattern switching instruction, enabled instruction, the halt instruction sent as terminal, and pass through double speed wind
The instantaneous value of each interlock protection parameter of machine working condition acquiring module collection Double Speed Fan, and by the instantaneous value of each interlock protection parameter
Interlocking upper limit threshold, interlocking lower threshold respectively with each interlock protection parameter is compared；
Under protection interlocking pattern, if the instantaneous value of each interlock protection parameter is both less than the interlock protection parameter
Interlock upper limit threshold and more than the interlocking lower threshold of the interlock protection parameter, Double Speed Fan control module is i.e. by mode of operation
Switch to manual mode；
4）With regard to ground mode
One mode selector switch on the spot, under non-listed pattern, Double Speed Fan control module are set on Double Speed Fan
The working condition of mode selector switch on the spot is detected by Double Speed Fan working condition acquiring module, if on the spot at mode selector switch
In closure state, Double Speed Fan control module switches to mode of operation with regard to ground mode, if on the spot at mode selector switch
In off-state, mode of operation is switched to manual mode by Double Speed Fan control module；
Under with regard to ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now
Double Speed Fan is controlled on the spot by operating personnel；
5）Listed pattern
Under listed pattern, the hand pattern switching that Double Speed Fan control module is not responding to operate terminal to send is instructed, certainly
Dynamic model formula switching command, and mode of operation is switched into manual mould receiving when operation terminal sends releasing listed mode instruction
Formula；
Under listed pattern, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, is listed
Pattern is used for the maintenance and maintenance of Double Speed Fan executing agency.
Further, Double Speed Fan control module is sent after control instruction to Double Speed Fan, is adopted by Double Speed Fan operating mode
Collect the real-time working condition data that module gathers Double Speed Fan, it is double if not collecting the feedback data corresponding with the control instruction
Fast fan control module exports corresponding failure alarm signal to operation terminal.
Further, if the Double Speed Fan that Double Speed Fan control module is collected by Double Speed Fan working condition acquiring module
In real-time working condition data, while including Double Speed Fan starts information and Double Speed Fan stalling information, Double Speed Fan control module
I.e. to operation terminal output feedback failure alarm signal.
Further, Double Speed Fan control module is sent after control instruction to Double Speed Fan, is adopted by Double Speed Fan operating mode
Collect module and gather the real-time working condition data of Double Speed Fan, if both not collected Double Speed Fan starts information, and do not collect double
Fast blower fan stalls information, and Double Speed Fan control module is i.e. to operation terminal output start and stop failure alarm signal.
The control method for the nuclear power station Double Speed Fan control system that the present invention is provided, to the various operating condition designs of Double Speed Fan
Multiple-working mode, and to every kind of mode of operation use different control modes, can automatic detection Double Speed Fan floor data,
And logical calculated is carried out automatically, control instruction is sent to Double Speed Fan, designed by logical algorithm, Double Speed Fan drive is realized
Dynamic and defencive function, reduces the possibility damaged caused by operator's misoperation, and can reduce the work of operator
Load.
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
Bright, every similar structure using the present invention and its similar change all should be included in protection scope of the present invention, the present invention
Number represent the relation of sum.
A kind of control method for nuclear power station Double Speed Fan control system that the embodiment of the present invention is provided, is related to nuclear power station double
Fast blower fan control system, the nuclear power station Double Speed Fan control system includes the Double Speed Fan control for being used to control Double Speed Fan to run
Molding block, the operation terminal for inputting control instruction to Double Speed Fan control module, and for gathering Double Speed Fan operating mode number
According to Double Speed Fan working condition acquiring module, it is characterised in that：
Two kinds of working conditions and five kinds of mode of operations, the two of Double Speed Fan control module are set for Double Speed Fan control module
It is respectively fast state, lower-speed state to plant working condition, and five kinds of mode of operations of Double Speed Fan control module are respectively manual mould
Formula, automatic mode, protection interlocking pattern, with regard to ground mode, listed pattern, the original operating state of Double Speed Fan control module is low
Fast state, the initial operation mode of Double Speed Fan control module is manual mode；
When Double Speed Fan control module is in lower-speed state, if Double Speed Fan control module receives operation, terminal sends height
Fast status switching instruction, Double Speed Fan control module is with by working condition switching to fast state；
Double Speed Fan control module be in fast state when, if Double Speed Fan control module receive operation terminal send it is low
Fast status switching instruction, Double Speed Fan control module is with by working condition switching to lower-speed state；
The control method of each mode of operation of Double Speed Fan control module is as follows：
1）Manual mode
In a manual mode, the automatic pattern switching that Double Speed Fan control module response operation terminal is sent instructs, is listed
Pattern switching is instructed, and mode of operation is switched into automatic mode receiving when operation terminal sends automatic pattern switching instruction,
Mode of operation is switched into listed pattern receiving when operation terminal sends the instruction of listed pattern switching；
In a manual mode, the enabled instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation
When terminal sends enabled instruction, if Double Speed Fan control module is in fast state, Double Speed Fan high-speed starting is controlled, such as
Fruit Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low rate start；
In a manual mode, the halt instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation
When terminal sends halt instruction, if Double Speed Fan control module is in fast state, control Double Speed Fan stops at a high speed, such as
Fruit Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low speed to stop；
2）Automatic mode
In automatic mode, the hand pattern switching that Double Speed Fan control module response operation terminal is sent instructs, is listed
Pattern switching is instructed, and other instructions that masking operation terminal is sent, and is referred to receiving operation terminal and sending hand pattern switching
Mode of operation is switched into manual mode when making, mode of operation is cut receiving when operation terminal sends listed pattern switching instruction
Shift to listed pattern；
A start-up and shut-down control rule is preset for Double Speed Fan control module, in automatic mode, Double Speed Fan control
Module gathers the real-time working condition data of Double Speed Fan by Double Speed Fan working condition acquiring module, and according to the real-time working condition gathered
Data and start-up and shut-down control set in advance rule, the control Double Speed Fan high speed when Double Speed Fan control module is in fast state
Start or stop at a high speed, control Double Speed Fan low rate start or low speed stop when Double Speed Fan control module is in lower-speed state
Only；
3）Protect interlocking pattern
Multiple interlock protection parameters are preset for Double Speed Fan（The operating temperature of such as Double Speed Fan, pressure）, and
It is each one interlocking upper limit threshold of interlock protection parameter setting and an interlocking lower threshold in Double Speed Fan control module；
Under manual mode or automatic mode, Double Speed Fan control module gathers double by Double Speed Fan working condition acquiring module
The instantaneous value of each interlock protection parameter of fast blower fan, and by the instantaneous value of each interlock protection parameter respectively with each interlock protection parameter
Interlocking upper limit threshold, interlocking lower threshold be 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, and Double Speed Fan control module is under fast state, Double Speed Fan control mould
Block is that control Double Speed Fan stops at a high speed, and mode of operation is switched into protection interlocking pattern；
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, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control mould
Block is that control Double Speed Fan low speed stops, and mode of operation is switched into 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, and Double Speed Fan control module is under fast state, Double Speed Fan control mould
Block is control Double Speed Fan high-speed starting, and mode of operation is switched into 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, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control mould
Block is control Double Speed Fan low rate start, and mode of operation is switched into protection interlocking pattern；
Under protection interlocking pattern, Double Speed Fan is in dangerous running status, now Double Speed Fan control module shielding behaviour
Hand pattern switching instruction, automatic pattern switching instruction, enabled instruction, the halt instruction sent as terminal, and pass through double speed wind
The instantaneous value of each interlock protection parameter of machine working condition acquiring module collection Double Speed Fan, and by the instantaneous value of each interlock protection parameter
Interlocking upper limit threshold, interlocking lower threshold respectively with each interlock protection parameter is compared；
Under protection interlocking pattern, if the instantaneous value of each interlock protection parameter is both less than the interlock protection parameter
Interlock upper limit threshold and more than the interlocking lower threshold of the interlock protection parameter, Double Speed Fan control module is i.e. by mode of operation
Switch to manual mode；
4）With regard to ground mode
One mode selector switch on the spot, under non-listed pattern, Double Speed Fan control module are set on Double Speed Fan
The working condition of mode selector switch on the spot is detected by Double Speed Fan working condition acquiring module, if on the spot at mode selector switch
In closure state, Double Speed Fan control module switches to mode of operation with regard to ground mode, if on the spot at mode selector switch
In off-state, mode of operation is switched to manual mode by Double Speed Fan control module；
Under with regard to ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now
Double Speed Fan is controlled on the spot by operating personnel；
5）Listed pattern
Under listed pattern, the hand pattern switching that Double Speed Fan control module is not responding to operate terminal to send is instructed, certainly
Dynamic model formula switching command, and mode of operation is switched into manual mould receiving when operation terminal sends releasing listed mode instruction
Formula；
Under listed pattern, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, is listed
Pattern is used for the maintenance and maintenance of Double Speed Fan executing agency.
In the embodiment of the present invention, Double Speed Fan control module is sent after control instruction to Double Speed Fan, passes through Double Speed Fan
Working condition acquiring module gathers the real-time working condition data of Double Speed Fan, if not collecting the feedback coefficient corresponding with the control instruction
According to Double Speed Fan control module exports corresponding failure alarm signal to operation terminal.
In the embodiment of the present invention, if pair that Double Speed Fan control module is collected by Double Speed Fan working condition acquiring module
In fast blower fan real-time working condition data, while including Double Speed Fan starts information and Double Speed Fan stalling information, Double Speed Fan control
Molding block is i.e. to operation terminal output feedback failure alarm signal.
In the embodiment of the present invention, Double Speed Fan control module is sent after control instruction to Double Speed Fan, passes through Double Speed Fan
Working condition acquiring module gathers the real-time working condition data of Double Speed Fan, if both not collected Double Speed Fan starts information, and does not adopt
Collect Double Speed Fan stalling information, Double Speed Fan control module is i.e. to operation terminal output start and stop failure alarm signal.
Claims (4)
1. a kind of control method of nuclear power station Double Speed Fan control system, is related to nuclear power station Double Speed Fan control system, the core
Power station Double Speed Fan control system includes the Double Speed Fan control module for being used to control Double Speed Fan to run, for Double Speed Fan
Control module inputs the operation terminal of control instruction, and for gathering the Double Speed Fan working condition acquiring mould of Double Speed Fan floor data
Block, it is characterised in that：
Two kinds of working conditions and five kinds of mode of operations, two kinds of works of Double Speed Fan control module are set for Double Speed Fan control module
Be respectively fast state, lower-speed state as state, five kinds of mode of operations of Double Speed Fan control module be respectively manual mode, from
Dynamic model formula, protection interlocking pattern, with regard to ground mode, listed pattern, the original operating state of Double Speed Fan control module is low speed shape
State, the initial operation mode of Double Speed Fan control module is manual mode；
When Double Speed Fan control module is in lower-speed state, if Double Speed Fan control module receives operation, terminal sends high speed shape
State switching command, Double Speed Fan control module is with by working condition switching to fast state；
When Double Speed Fan control module is in fast state, if Double Speed Fan control module receives operation, terminal sends low speed shape
State switching command, Double Speed Fan control module is with by working condition switching to lower-speed state；
The control method of each mode of operation of Double Speed Fan control module is as follows：
1）Manual mode
In a manual mode, the automatic pattern switching that Double Speed Fan control module response operation terminal is sent is instructed, listed pattern
Switching command, and mode of operation switched into automatic mode receiving when operation terminal sends automatic pattern switching instruction, receiving
Mode of operation is switched into listed pattern when sending listed pattern switching instruction to operation terminal；
In a manual mode, the enabled instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation terminal
When sending enabled instruction, if Double Speed Fan control module is in fast state, Double Speed Fan high-speed starting is controlled, if double
Fast fan control module is in lower-speed state, then controls Double Speed Fan low rate start；
In a manual mode, the halt instruction that Double Speed Fan control module response operation terminal is sent, and receiving operation terminal
When sending halt instruction, if Double Speed Fan control module is in fast state, control Double Speed Fan stops at a high speed, if double
Fast fan control module is in lower-speed state, then controls Double Speed Fan low speed to stop；
2）Automatic mode
In automatic mode, the hand pattern switching that Double Speed Fan control module response operation terminal is sent is instructed, listed pattern
Switching command, and other instructions that masking operation terminal is sent, and receive operation terminal send hand pattern switching instruction when
Mode of operation is switched into manual mode, mode of operation is switched to receiving when operation terminal sends listed pattern switching instruction
Listed pattern；
A start-up and shut-down control rule, in automatic mode, Double Speed Fan control module are preset for Double Speed Fan control module
The real-time working condition data of Double Speed Fan are gathered by Double Speed Fan working condition acquiring module, and according to the real-time working condition data gathered
And start-up and shut-down control rule set in advance, control Double Speed Fan high-speed starting when Double Speed Fan control module is in fast state
Or stop at a high speed, when Double Speed Fan control module is in lower-speed state, control Double Speed Fan low rate start or low speed stop；
3）Protect interlocking pattern
Multiple interlock protection parameters are preset for Double Speed Fan, and are each interlock protection ginseng in Double Speed Fan control module
One interlocking upper limit threshold of number setting and an interlocking lower threshold；
Under manual mode or automatic mode, Double Speed Fan control module gathers double speed wind by Double Speed Fan working condition acquiring module
The instantaneous value of each interlock protection parameter of machine, and the connection by the instantaneous value of each interlock protection parameter respectively with each interlock protection parameter
Lock upper limit threshold, interlocking lower threshold 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, and Double Speed Fan control module is under fast state, Double Speed Fan control module is
Control Double Speed Fan to stop at a high speed, and mode of operation is switched into protection interlocking pattern；
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, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control module is
Control Double Speed Fan low speed to stop, and mode of operation is switched into 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 connection
The interlocking lower threshold of Protection parameters is locked, and Double Speed Fan control module is under fast state, Double Speed Fan control module is
Double Speed Fan high-speed starting is controlled, and mode of operation is switched into 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 connection
The interlocking lower threshold of Protection parameters is locked, and Double Speed Fan control module is under lower-speed state, Double Speed Fan control module is
Double Speed Fan low rate start is controlled, and mode of operation is switched into protection interlocking pattern；
Under protection interlocking pattern, Double Speed Fan is in dangerous running status, and now Double Speed Fan control module masking operation is whole
Hand pattern switching instruction, automatic pattern switching instruction, enabled instruction, the halt instruction sent are held, and passes through Double Speed Fan work
The instantaneous value of each interlock protection parameter of condition acquisition module collection Double Speed Fan, and the instantaneous value of each interlock protection parameter is distinguished
Interlocking upper limit threshold, interlocking lower threshold with each interlock protection parameter are compared；
Under protection 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, Double Speed Fan control module switch mode of operation
To manual mode；
4）With regard to ground mode
One mode selector switch on the spot is set on Double Speed Fan, and under non-listed pattern, Double Speed Fan control module passes through
The working condition of Double Speed Fan working condition acquiring module detection mode selector switch on the spot, if mode selector switch is in and closed on the spot
Conjunction state, Double Speed Fan control module switches to mode of operation with regard to ground mode, if mode selector switch is in disconnected on the spot
Mode of operation is switched to manual mode by open state, Double Speed Fan control module；
Under with regard to ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now by grasping
Make personnel and control Double Speed Fan on the spot；
5）Listed pattern
Under listed pattern, Double Speed Fan control module is not responding to hand pattern switching instruction, the automatic mold for operating terminal to send
Formula switching command, and mode of operation is switched into manual mode receiving when operation terminal sends releasing listed mode instruction；
Under listed pattern, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, and be listed pattern
Maintenance and maintenance for Double Speed Fan executing agency.
2. the control method of nuclear power station Double Speed Fan control system according to claim 1, it is characterised in that：Double Speed Fan
Control module is sent after control instruction to Double Speed Fan, and the real-time work of Double Speed Fan is gathered by Double Speed Fan working condition acquiring module
Condition data, if not collecting the feedback data corresponding with the control instruction, Double Speed Fan control module is i.e. to operation terminal
Export corresponding failure alarm signal.
3. the control method of nuclear power station Double Speed Fan control system according to claim 1, it is characterised in that：If double speed
In the Double Speed Fan real-time working condition data that fan control module is collected by Double Speed Fan working condition acquiring module, include simultaneously
Double Speed Fan starts information and Double Speed Fan stalling information, and Double Speed Fan control module is i.e. to operation terminal output feedback failure report
Alert signal.
4. the control method of nuclear power station Double Speed Fan control system according to claim 1, it is characterised in that：Double Speed Fan
Control module is sent after control instruction to Double Speed Fan, and the real-time work of Double Speed Fan is gathered by Double Speed Fan working condition acquiring module
Condition data, if both not collected Double Speed Fan starts information, and do not collect Double Speed Fan stalling information, Double Speed Fan control
Module is i.e. to operation terminal output start and stop failure alarm signal.
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