CN105370608A - Control method of control system for nuclear power plant double-speed fan - Google Patents
Control method of control system for nuclear power plant double-speed fan Download PDFInfo
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- CN105370608A CN105370608A CN201510691794.5A CN201510691794A CN105370608A CN 105370608 A CN105370608 A CN 105370608A CN 201510691794 A CN201510691794 A CN 201510691794A CN 105370608 A CN105370608 A CN 105370608A
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- double speed
- speed fan
- control module
- fan control
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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
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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
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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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
- 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
The invention relates to the technical field of industrial control and discloses a control method of a control system for a nuclear power plant double-speed fan. The technical aims of reducing the damage probability and working loads are achieved. According to the method, two working states and five working modes are set for a double-speed fan control module, wherein the two working states include the high-speed state and the low-speed state, and the five working modes include the manual mode, the automatic mode, the protective interlocking mode, the local mode and the listing mode; and corresponding control rules are set for each working mode. The method is suitable for controlling the nuclear power plant double-speed fan.
Description
Technical field
The present invention relates to industrial control technology, particularly relate to a kind of technology of controlling method of nuclear power station Double Speed Fan control system.
Background technique
In nuclear power station, have a lot of equipment to be driven by Double Speed Fan, in Double Speed Fan running, staff needs to be monitored Double Speed Fan operating conditions by operating terminal, in good time control Double Speed Fan start and stop.In prior art, the operation correlation behavior that Double Speed Fan self provides or the quantity of alarm signal and type very limited, full information can not be provided to understand the actual motion state of Double Speed Fan for staff.Meanwhile, only by the start and stop of staff's manually-operable Double Speed Fan, considerably increase the working load of operator, also exist because operator's misoperation causes the possible of damage.
Summary of the invention
For the defect existed in above-mentioned prior art, technical problem to be solved by this invention is to provide one can fully provide Double Speed Fan running state information, effective reduction misoperation causes the probability of damage, and can reduce the controlling method of the nuclear power station Double Speed Fan control system of working load.
In order to solve the problems of the technologies described above, the controlling method of a kind of nuclear power station Double Speed Fan control system provided by the present invention, relate to nuclear power station Double Speed Fan control system, described nuclear power station Double Speed Fan control system comprises the Double Speed Fan control module run for controlling Double Speed Fan, and for the operating terminal to Double Speed Fan control module input control order, for gathering the Double Speed Fan working condition acquiring module of Double Speed Fan floor data, it is characterized in that:
For Double Speed Fan control module sets two kinds of working staties and five kinds of mode of operations, two kinds of working staties of Double Speed Fan control module are respectively fast state, lower-speed state, five kinds of mode of operations of Double Speed Fan control module be respectively manual mode, automatic mode, protection interlocking pattern, with regard to ground mode, pattern of listing, the original operating state of Double Speed Fan control module is lower-speed state, and 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 operating terminal send high speed switching command, Double Speed Fan control module switches to fast state with by working state;
When Double Speed Fan control module is in fast state, if Double Speed Fan control module receives operating terminal send low speed switching command, Double Speed Fan control module switches to lower-speed state with by working state;
The controlling method of each mode of operation of Double Speed Fan control module is as follows:
1) manual mode
In a manual mode, automatic mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending automatic mode switching command, mode of operation is switched to automatic mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
In a manual mode, the enabled instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending enabled instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan high-speed starting, if Double Speed Fan control module is in lower-speed state, then control Double Speed Fan low speed start;
In a manual mode, the halt instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending halt instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan to stop at a high speed, if Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low speed and stop;
2) automatic mode
In automatic mode, manual mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and other instruction that masking operation terminal is sent, and when receiving operating terminal and sending manual mode switching command, mode of operation is switched to manual mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
For Double Speed Fan control module presets an on off control rule, in automatic mode, Double Speed Fan control module is by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and according to gathered real-time working condition data and preset on off control rule, control Double Speed Fan high-speed starting when Double Speed Fan control module is in fast state or stop at a high speed, controlling Double Speed Fan low speed start or low speed stopping when Double Speed Fan control module is in lower-speed state;
3) interlocking pattern is protected
For Double Speed Fan presets multiple interlock protection parameter, and be each interlock protection setting parameter one interlocking upper limit threshold and an interlocking lower threshold in Double Speed Fan control module;
Under manual mode or automatic mode, the instantaneous value of each interlock protection parameter by the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and compares with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking by Double Speed Fan control module respectively;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan and stops at a high speed, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed and stops, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan high-speed starting, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed start, and mode of operation is switched to protection interlocking pattern;
Under protection interlocking pattern, Double Speed Fan is in dangerous running state, now Double Speed Fan control module masking operation terminal send manual mode switching command, automatic mode switching command, enabled instruction, halt instruction, and pass through the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and the instantaneous value of each interlock protection parameter is compared with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking respectively;
Under protection interlocking pattern, if the instantaneous value of each interlock protection parameter is less than the interlocking upper limit threshold of this interlock protection parameter and is greater than the interlocking lower threshold of this interlock protection parameter, Double Speed Fan control module switches to manual mode by mode of operation;
4) with regard to ground mode
Double Speed Fan arranges a mode selector switch on the spot, under non-pattern of listing, Double Speed Fan control module detects the working state of mode selector switch on the spot by Double Speed Fan working condition acquiring module, if mode selector switch is in closed state on the spot, Double Speed Fan control module switches to regard to ground mode by mode of operation, if mode selector switch is in off state on the spot, Double Speed Fan control module switches to manual mode by mode of operation;
With regard under ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now controls Double Speed Fan on the spot by operator;
5) to list pattern
Under the pattern of listing, Double Speed Fan control module is manual mode switching command, the automatic mode switching command sent of operation response terminal not, and receive operating terminal send releasing list mode instruction time mode of operation is switched to manual mode;
Under the pattern of listing, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, and pattern of listing is for the inspection and maintenance of Double Speed Fan actuator.
Further, Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if do not collect the feedback data corresponding with this control command, namely Double Speed Fan control module exports corresponding failure alarm signal to operating terminal.
Further, if Double Speed Fan control module by Double Speed Fan working condition acquiring module acquires to Double Speed Fan real-time working condition data in, include Double Speed Fan log-on message and Double Speed Fan stall information, Double Speed Fan control module is namely to operating terminal output feedack failure alarm signal simultaneously.
Further, Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if both do not collected Double Speed Fan log-on message, do not collect again Double Speed Fan stall information, namely Double Speed Fan control module exports start and stop failure alarm signal to operating terminal.
The controlling method of nuclear power station Double Speed Fan control system provided by the invention; to the various operating condition design multiple-working modes of Double Speed Fan; and different control modes is adopted to often kind of mode of operation; automatically the floor data of Double Speed Fan can be detected; and automatically carry out logical calculated; control command is sent to Double Speed Fan; designed by logical algorithm; achieve Double Speed Fan to drive and protective function; reduce because operator's misoperation causes the possible of damage, and the working load of operator can be reduced.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail; but the present embodiment is not limited to the present invention; every employing analog structure of the present invention and similar change thereof, all should list protection scope of the present invention in, the pause mark in the present invention all represent and relation.
The controlling method of a kind of nuclear power station Double Speed Fan control system that the embodiment of the present invention provides, relate to nuclear power station Double Speed Fan control system, described nuclear power station Double Speed Fan control system comprises the Double Speed Fan control module run for controlling Double Speed Fan, and for the operating terminal to Double Speed Fan control module input control order, for gathering the Double Speed Fan working condition acquiring module of Double Speed Fan floor data, it is characterized in that:
For Double Speed Fan control module sets two kinds of working staties and five kinds of mode of operations, two kinds of working staties of Double Speed Fan control module are respectively fast state, lower-speed state, five kinds of mode of operations of Double Speed Fan control module be respectively manual mode, automatic mode, protection interlocking pattern, with regard to ground mode, pattern of listing, the original operating state of Double Speed Fan control module is lower-speed state, and 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 operating terminal send high speed switching command, Double Speed Fan control module switches to fast state with by working state;
When Double Speed Fan control module is in fast state, if Double Speed Fan control module receives operating terminal send low speed switching command, Double Speed Fan control module switches to lower-speed state with by working state;
The controlling method of each mode of operation of Double Speed Fan control module is as follows:
1) manual mode
In a manual mode, automatic mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending automatic mode switching command, mode of operation is switched to automatic mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
In a manual mode, the enabled instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending enabled instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan high-speed starting, if Double Speed Fan control module is in lower-speed state, then control Double Speed Fan low speed start;
In a manual mode, the halt instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending halt instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan to stop at a high speed, if Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low speed and stop;
2) automatic mode
In automatic mode, manual mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and other instruction that masking operation terminal is sent, and when receiving operating terminal and sending manual mode switching command, mode of operation is switched to manual mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
For Double Speed Fan control module presets an on off control rule, in automatic mode, Double Speed Fan control module is by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and according to gathered real-time working condition data and preset on off control rule, control Double Speed Fan high-speed starting when Double Speed Fan control module is in fast state or stop at a high speed, controlling Double Speed Fan low speed start or low speed stopping when Double Speed Fan control module is in lower-speed state;
3) interlocking pattern is protected
For Double Speed Fan presets multiple interlock protection parameter (operating temperature of such as Double Speed Fan, pressure), and be each interlock protection setting parameter one interlocking upper limit threshold and an interlocking lower threshold in Double Speed Fan control module;
Under manual mode or automatic mode, the instantaneous value of each interlock protection parameter by the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and compares with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking by Double Speed Fan control module respectively;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan and stops at a high speed, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed and stops, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan high-speed starting, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed start, and mode of operation is switched to protection interlocking pattern;
Under protection interlocking pattern, Double Speed Fan is in dangerous running state, now Double Speed Fan control module masking operation terminal send manual mode switching command, automatic mode switching command, enabled instruction, halt instruction, and pass through the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and the instantaneous value of each interlock protection parameter is compared with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking respectively;
Under protection interlocking pattern, if the instantaneous value of each interlock protection parameter is less than the interlocking upper limit threshold of this interlock protection parameter and is greater than the interlocking lower threshold of this interlock protection parameter, Double Speed Fan control module switches to manual mode by mode of operation;
4) with regard to ground mode
Double Speed Fan arranges a mode selector switch on the spot, under non-pattern of listing, Double Speed Fan control module detects the working state of mode selector switch on the spot by Double Speed Fan working condition acquiring module, if mode selector switch is in closed state on the spot, Double Speed Fan control module switches to regard to ground mode by mode of operation, if mode selector switch is in off state on the spot, Double Speed Fan control module switches to manual mode by mode of operation;
With regard under ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now controls Double Speed Fan on the spot by operator;
5) to list pattern
Under the pattern of listing, Double Speed Fan control module is manual mode switching command, the automatic mode switching command sent of operation response terminal not, and receive operating terminal send releasing list mode instruction time mode of operation is switched to manual mode;
Under the pattern of listing, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, and pattern of listing is for the inspection and maintenance of Double Speed Fan actuator.
In the embodiment of the present invention, Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if do not collect the feedback data corresponding with this control command, namely Double Speed Fan control module exports corresponding failure alarm signal to operating terminal.
In the embodiment of the present invention, if Double Speed Fan control module by Double Speed Fan working condition acquiring module acquires to Double Speed Fan real-time working condition data in, include Double Speed Fan log-on message and Double Speed Fan stall information, Double Speed Fan control module is namely to operating terminal output feedack failure alarm signal simultaneously.
In the embodiment of the present invention, Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if both do not collected Double Speed Fan log-on message, do not collect again Double Speed Fan stall information, namely Double Speed Fan control module exports start and stop failure alarm signal to operating terminal.
Claims (4)
1. the controlling method of a nuclear power station Double Speed Fan control system, relate to nuclear power station Double Speed Fan control system, described nuclear power station Double Speed Fan control system comprises the Double Speed Fan control module run for controlling Double Speed Fan, and for the operating terminal to Double Speed Fan control module input control order, for gathering the Double Speed Fan working condition acquiring module of Double Speed Fan floor data, it is characterized in that:
For Double Speed Fan control module sets two kinds of working staties and five kinds of mode of operations, two kinds of working staties of Double Speed Fan control module are respectively fast state, lower-speed state, five kinds of mode of operations of Double Speed Fan control module be respectively manual mode, automatic mode, protection interlocking pattern, with regard to ground mode, pattern of listing, the original operating state of Double Speed Fan control module is lower-speed state, and 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 operating terminal send high speed switching command, Double Speed Fan control module switches to fast state with by working state;
When Double Speed Fan control module is in fast state, if Double Speed Fan control module receives operating terminal send low speed switching command, Double Speed Fan control module switches to lower-speed state with by working state;
The controlling method of each mode of operation of Double Speed Fan control module is as follows:
1) manual mode
In a manual mode, automatic mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending automatic mode switching command, mode of operation is switched to automatic mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
In a manual mode, the enabled instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending enabled instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan high-speed starting, if Double Speed Fan control module is in lower-speed state, then control Double Speed Fan low speed start;
In a manual mode, the halt instruction that Double Speed Fan control module operation response terminal is sent, and when receiving operating terminal and sending halt instruction, if Double Speed Fan control module is in fast state, then control Double Speed Fan to stop at a high speed, if Double Speed Fan control module is in lower-speed state, then controls Double Speed Fan low speed and stop;
2) automatic mode
In automatic mode, manual mode switching command, pattern of listing switching command that Double Speed Fan control module operation response terminal is sent, and other instruction that masking operation terminal is sent, and when receiving operating terminal and sending manual mode switching command, mode of operation is switched to manual mode, when receiving operating terminal and sending and list pattern switching command, mode of operation is switched to the pattern of listing;
For Double Speed Fan control module presets an on off control rule, in automatic mode, Double Speed Fan control module is by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and according to gathered real-time working condition data and preset on off control rule, control Double Speed Fan high-speed starting when Double Speed Fan control module is in fast state or stop at a high speed, controlling Double Speed Fan low speed start or low speed stopping when Double Speed Fan control module is in lower-speed state;
3) interlocking pattern is protected
For Double Speed Fan presets multiple interlock protection parameter, and be each interlock protection setting parameter one interlocking upper limit threshold and an interlocking lower threshold in Double Speed Fan control module;
Under manual mode or automatic mode, the instantaneous value of each interlock protection parameter by the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and compares with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking by Double Speed Fan control module respectively;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan and stops at a high speed, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein more than or equal to the interlocking upper limit threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed and stops, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in fast state, namely Double Speed Fan control module controls Double Speed Fan high-speed starting, and mode of operation is switched to protection interlocking pattern;
Under manual mode or automatic mode, if the instantaneous value of any one interlock protection parameter is wherein less than or equal to the interlocking lower threshold of this interlock protection parameter, and under Double Speed Fan control module is in lower-speed state, namely Double Speed Fan control module controls Double Speed Fan low speed start, and mode of operation is switched to protection interlocking pattern;
Under protection interlocking pattern, Double Speed Fan is in dangerous running state, now Double Speed Fan control module masking operation terminal send manual mode switching command, automatic mode switching command, enabled instruction, halt instruction, and pass through the instantaneous value of each interlock protection parameter of Double Speed Fan working condition acquiring module acquires Double Speed Fan, and the instantaneous value of each interlock protection parameter is compared with the interlocking upper limit threshold of each interlock protection parameter, lower threshold of interlocking respectively;
Under protection interlocking pattern, if the instantaneous value of each interlock protection parameter is less than the interlocking upper limit threshold of this interlock protection parameter and is greater than the interlocking lower threshold of this interlock protection parameter, Double Speed Fan control module switches to manual mode by mode of operation;
4) with regard to ground mode
Double Speed Fan arranges a mode selector switch on the spot, under non-pattern of listing, Double Speed Fan control module detects the working state of mode selector switch on the spot by Double Speed Fan working condition acquiring module, if mode selector switch is in closed state on the spot, Double Speed Fan control module switches to regard to ground mode by mode of operation, if mode selector switch is in off state on the spot, Double Speed Fan control module switches to manual mode by mode of operation;
With regard under ground mode, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, now controls Double Speed Fan on the spot by operator;
5) to list pattern
Under the pattern of listing, Double Speed Fan control module is manual mode switching command, the automatic mode switching command sent of operation response terminal not, and receive operating terminal send releasing list mode instruction time mode of operation is switched to manual mode;
Under the pattern of listing, Double Speed Fan control module stops exporting enabled instruction, halt instruction to Double Speed Fan, and pattern of listing is for the inspection and maintenance of Double Speed Fan actuator.
2. the controlling method of nuclear power station Double Speed Fan control system according to claim 1, it is characterized in that: Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if do not collect the feedback data corresponding with this control command, namely Double Speed Fan control module exports corresponding failure alarm signal to operating terminal.
3. the controlling method of nuclear power station Double Speed Fan control system according to claim 1, it is characterized in that: if Double Speed Fan control module by Double Speed Fan working condition acquiring module acquires to Double Speed Fan real-time working condition data in, include Double Speed Fan log-on message and Double Speed Fan stall information, Double Speed Fan control module is namely to operating terminal output feedack failure alarm signal simultaneously.
4. the controlling method of nuclear power station Double Speed Fan control system according to claim 1, it is characterized in that: Double Speed Fan control module is after Double Speed Fan sending controling instruction, by the real-time working condition data of Double Speed Fan working condition acquiring module acquires Double Speed Fan, if both do not collected Double Speed Fan log-on message, do not collect again Double Speed Fan stall information, namely Double Speed Fan control module exports start and stop failure alarm signal to operating terminal.
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| CN201510691794.5A CN105370608B (en) | 2015-10-23 | 2015-10-23 | The control method of nuclear power station Double Speed Fan control system |
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