CN107037230B - A kind of active and standby detectable signal processing method and processing device of nuclear power station main pump revolving speed, rack - Google Patents
A kind of active and standby detectable signal processing method and processing device of nuclear power station main pump revolving speed, rack Download PDFInfo
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- CN107037230B CN107037230B CN201710249841.XA CN201710249841A CN107037230B CN 107037230 B CN107037230 B CN 107037230B CN 201710249841 A CN201710249841 A CN 201710249841A CN 107037230 B CN107037230 B CN 107037230B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
Abstract
The present invention relates to a kind of active and standby detectable signal processing method and processing devices of nuclear power station main pump revolving speed, rack.Active and standby detectable signal processing unit of the invention is made of input module, transmission module, control module, signal processing module and output module.The independent process and monitoring of the active and standby detectable signal treatment channel hardware of main pump revolving speed can be achieved, the interference between the active and standby detectable signal of main pump revolving speed can be eliminated, simplify composed structure, reduce the failure rate of rack, improve the reliability of nuclear power station main pump revolving speed rack, realize that redundancy is spare in terms of hardware handles, i.e., it ought wherein all the way in addition the processing of signal when something goes wrong, can be used directly signal all the way and be handled.Active and standby detectable signal processing unit of the invention is using simple and independent hardware design so that active and standby detectable signal individually manage and control, overcome traditional active and standby detectable signal altogether the signal interference of wiring with can not real-time monitoring for detectable signal the shortcomings that.
Description
Technical field
The present invention relates to nuclear power stations, more specifically to a kind of active and standby detectable signal processing side of nuclear power station main pump revolving speed
Method and device, rack.
Background technique
Nuclear power station main pump is the very important equipment of nuclear power station, provides kinetic energy driving primary Ioops coolant and carries out to reactor core
It is cooling, main pump whether good operation, main pump revolving speed is the important parameter of pump operating, and in addition tach signal takes part in multiple important patrol
The operation collected realizes the protection to reactor core, so primary Ioops main pump tach signal is nuclear power station very important parameter.Existing
Nuclear power station main pump revolving speed rack according to history use experience, on the rack there is main signal dry in main pump revolving speed space signal
It disturbs, when space signal exception, will cause tach signal operation irregularity, main cause may be SPM1 fastener (input card) electricity
Road the problems in the design is either caused by standby usage signal ground altogether before handover.
Secondly, main pump revolving speed fastener is too many, the fastener really used during the work time is seldom, and single fastener failure is easy
Cause revolving speed to fail, and can not achieve independent monitoring between active and standby tach signal channel, current standby usage signal can only be handled
Signal all the way, space signal does not have independent hardware handles channel, and not can be carried out monitoring, if rack does not have standby usage letter
Number interference the problem of, when space signal failure, cannot timely find the failure of space signal, may result in when master
Just discovery space signal also failure when abnormal signal, causes main pump tach signal to lose monitoring completely, forces unit
Termination of pumping shutdown is overhauled.
In addition, when handling fastener failure, will also be led since standby usage tach signal does not have independent hardware handles channel
It causes main pump tach signal to lose monitoring completely, main pump tach signal standby usage design function is made to lose meaning.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of nuclear power station main pump
The active and standby detectable signal processing method and processing device of revolving speed, rack.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of active and standby detection of nuclear power station main pump revolving speed
Signal processing apparatus exports the main probe and the acquisition nuclear power station of main detectable signal including acquisition nuclear power station main pump revolving speed
Main pump revolving speed further includes for receiving the main detectable signal and the standby detection letter to export the spare probe for detectable signal
Number input module, the transmission transmitted to the main detectable signal and the standby detectable signal is connect with the input module
Module, is connected to the transmission mould at the signal processing module handled to the main detectable signal and the standby detectable signal
Control module between block and the signal processing module, for main detectable signal and the standby detectable signal described in real-time monitoring
And export the main control module of control signal；
The transmission module includes main transmission channel and standby transmission channel, and the signal processing module includes main signal processing
Unit and standby signal processing unit；The main transmission channel and the standby transmission channel is mutually indepedent, main signal processing singly
It is first mutually indepedent with the standby signal processing unit；
The main control module is connect with the control module, and output control signal, which controls the control module, makes the main letter
Number processing unit connect with the main transmission channel and/or connect the standby signal processing unit with the standby transmission channel,
Output principal current signal, and/or the standby letter are individually handled to realize the main signal processing unit to the main detectable signal
Number processing unit individually handles the standby detectable signal the standby current signal of output.
In the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the present invention, it is preferable that the input mould
Block includes main access interface and standby access interface, between the main access interface and the standby access interface independently of each other.
In the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the present invention, it is preferable that the control mould
Block includes first choice switch and the second selection switch, and the first choice switch and the second selection switch are according to the control
Main signal processing unit described in signal communication processed and the main transmission channel are to be transmitted to the main letter for the main detectable signal
Number processing unit；
And/or the connection standby signal processing unit and the standby transmission channel are to be transmitted to institute for the standby detectable signal
State standby signal processing unit.
In the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the present invention, it is preferable that the control mould
Block further includes test module, for accessing external test signal or being tested for outside.
In the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the present invention, it is preferable that further include and institute
State the isolation module that isolation transmission is carried out for realizing input switch signal and output switching signal of control module connection.
In the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the present invention, it is preferable that further include and institute
State the principal current signal and standby current signal progress list for exporting to the signal processing module of signal processing module connection
The output module solely exported.
The present invention also provides a kind of nuclear power station main pump revolving speed racks, including acquisition nuclear power station main pump revolving speed is to export main detection
The main probe and the acquisition nuclear power station main pump revolving speed of signal are to export the spare probe for detectable signal, further includes:
For receiving the input module of the main detectable signal and the standby detectable signal, being connect with the input module pair
Transmission module that the main detectable signal and the standby detectable signal are transmitted, to the main detectable signal and the standby detection
Signal processing module that signal is handled, the control mould being connected between the transmission module and the signal processing module
Block, for main detectable signal described in real-time monitoring and the standby detectable signal and export control signal main control module；Wherein,
The input module includes main access interface and standby access interface, the main access interface and the standby access interface
Between it is mutually indepedent；
The signal processing module includes main signal processing unit and standby signal processing unit, the main signal processing unit
It is mutually indepedent with the standby signal processing unit；
The transmission module includes main transmission channel and standby transmission channel, the main transmission channel and the standby transmission channel
Independently of each other；
The main control module is connect with the control module, and output control signal, which controls the control module, makes the main letter
Number processing unit connect with the main transmission channel and/or connect the standby signal processing unit with the standby transmission channel,
Output principal current signal, and/or the standby letter are individually handled to realize the main signal processing unit to the main detectable signal
Number processing unit individually handles the standby detectable signal the standby current signal of output；
The control module includes first choice switch, the second selection switch, test module, first choice switch and
The second selection switch main signal processing unit according to the control signal communication and the main transmission channel is with by institute
It states main detectable signal and is transmitted to the main signal processing unit；And/or the connection standby signal processing unit is transmitted with described
Channel is to be transmitted to the standby signal processing unit for the standby detectable signal；
The test module is switched according to the control signal and the first choice or the second selection switch connection,
To access external test signal or be tested for outside；
Isolation module is connect with the control module, for realizing input switch signal and output switching signal carry out every
From transmission；
Output module, respectively with the main signal processing unit, the standby signal processing unit and the isolation module
Connection, exports the principal current signal, the standby current signal and the output switching signal.
The present invention also provides a kind of active and standby detectable signal processing methods of nuclear power station main pump revolving speed, comprising the following steps:
Input module receives main detectable signal and standby detectable signal, and by the main detectable signal and the standby detectable signal
It is transmitted to transmission module；
The main detectable signal and the standby detectable signal are transmitted to control module by the transmission module；Wherein, described
Transmission module includes main transmission channel and standby transmission channel, and the main transmission channel and the standby transmission channel are mutually indepedent；
Main control module outputs control signals to the control module, makes the main detectable signal to control the control module
Signal processing module is individually transmitted to the standby detectable signal；The signal processing module includes main signal processing unit and standby
Signal processing unit；
Control module main signal processing unit according to the control signal communication and the main transmission channel, with
Realize that the main signal processing unit carries out individually processing output principal current signal, and/or connection institute to the main detectable signal
State standby signal processing unit and the standby transmission channel, to realize that the standby signal processing unit carries out the standby detectable signal
Individually processing exports standby current signal.
In the active and standby detectable signal processing method of nuclear power station main pump revolving speed of the present invention, it is preferable that the input mould
Block includes main access interface and standby access interface, between the main access interface and the standby access interface independently of each other.
In the active and standby detectable signal processing method of nuclear power station main pump revolving speed of the present invention, it is preferable that the control mould
Block includes first choice switch and the second selection switch, and the first choice switch and the second selection switch are according to the control
Main signal processing unit described in signal communication processed and the main transmission channel are to be transmitted to the main letter for the main detectable signal
Number processing unit；
And/or the connection standby signal processing unit and the standby transmission channel are to be transmitted to institute for the standby detectable signal
State standby signal processing unit.
Implement the active and standby detectable signal processing unit of nuclear power station main pump of the invention, has the advantages that achievable master
The independent monitoring of the active and standby detectable signal treatment channel hardware of revolution speed can be eliminated dry between the active and standby detectable signal of main pump revolving speed
It disturbs, effectively reduces extra fastener, simplify composed structure, reduce the failure rate of rack, improve nuclear power station main pump revolving speed rack
Reliability, realize that redundancy is spare in terms of hardware handles, i.e., ought wherein the processing of signal when something goes wrong, can be direct all the way
Using in addition signal is handled all the way.
In addition, active and standby detectable signal processing unit of the invention is designed using simple and separate hardware, so that active and standby detection
Signal is individually managed and is controlled, and overcomes the signal interference of the active and standby detectable signal of tradition wiring altogether, and can not real-time monitoring it is standby
The shortcomings that detectable signal.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the active and standby detectable signal processing device embodiment one of nuclear power station main pump revolving speed of the present invention；
Fig. 2 is the signal schematic representation of the active and standby detectable signal processing device embodiment one of nuclear power station main pump revolving speed of the present invention；
Fig. 3 is the structural schematic diagram of the active and standby detectable signal processing unit control module of nuclear power station main pump revolving speed of the present invention.
Specific embodiment
Fig. 1 is the structural schematic diagram of the active and standby detectable signal processing device embodiment one of nuclear power station main pump revolving speed of the present invention.It should
The active and standby detectable signal processing unit of embodiment carries out detection to nuclear power station main pump revolving speed and to the detectable signal for detecting acquisition
It carries out independent process and transmission, i.e., the main probe for detecting nuclear power station main pump revolving speed and spare detects to obtain
Detectable signal enter before the processor of nuclear power station main pump revolving speed rack, it is main probe output main detectable signal and spare probe
The standby detectable signal of output is mutually indepedent, and is independent of each other, and any interference is not present in each leisure transmission process, solves tradition
Existing interference problem when the main probe of rack is with spare pop one's head in altogether.As shown in Figure 1, active and standby detectable signal of the invention handles dress
Set including acquisition nuclear power station main pump revolving speed main probe to export main detectable signal and the acquisition nuclear power station main pump revolving speed with
The spare probe for exporting standby detectable signal, further includes input module 10, transmission module 20, control module 30, signal processing module
40, main control module (not shown).Control signal is exported by main control module and controls control module 30, is made at transmission module 20 and signal
Reason module 40 is correspondingly connected with, and main detectable signal and/or standby detectable signal is transmitted to signal processing module 40, by signal processing
40 pairs of main detectable signals of module and/or standby detectable signal are individually handled.
Specifically,
Main probe (not shown), for acquiring nuclear power station main pump revolving speed and exporting corresponding detectable signal, i.e., main spy
Signal is surveyed, and main detectable signal is accessed by input module 10 by corresponding conducting wire.
Spare probe (not shown), it is for acquiring nuclear power station main pump revolving speed and exporting corresponding detectable signal, i.e., standby
Detectable signal；And standby detectable signal is accessed by input module 10 by corresponding conducting wire.It is to be appreciated that spare probe can be with master
Probe simultaneously detects nuclear power station main pump revolving speed, and spare probe is mounted on the same main pump with main probe.It is obtained
The standby detectable signal obtained is identical as main detectable signal in principle, namely visit parallel simultaneously to main pump revolving speed by spare probe
It surveys, standby redundancy can be used as in main probe failure.By installing two rotational speed probes on the same main pump, as long as there is one
The signal of probe is capable of handling, and the monitoring to this main pump revolving speed can be realized.
Input module 10 is connected with main probe and spare probe respectively, is respectively connected to main detection by input module 10 and is believed
Number and standby detectable signal.Preferably, in this embodiment, input module 10 includes main access interface and standby access interface, and main
It is mutually indepedent between access interface and standby access interface.When main detectable signal and standby detectable signal are respectively connected to input module 10
When, due to mutually indepedent between main access interface and standby access interface, the negative terminal of the negative terminal of main detectable signal and standby detectable signal
Not altogether, therefore, mutually indepedent between main detectable signal and standby detectable signal, eliminate mutual interference.
Transmission module 20 is connect with input module 10, for carrying out signal transmission to main detectable signal and standby detectable signal.
Alternatively, transmission module 20 includes main transmission channel and standby transmission channel, and main transmission channel is for the master with input module 10
Access interface is corresponding to carry out signal transmission, and standby transmission channel is used for progress signal biography corresponding with the standby access interface of input module 10
It is defeated, and main transmission channel and standby transmission channel are mutually indepedent, the two carries out in signals transmission, and respective signal is mutually indepedent,
It is independent of each other.
Signal processing module 40 is connect with control module 30, for carrying out respectively to main detectable signal and standby detectable signal
Main detectable signal and standby detectable signal are converted to corresponding current signal by individually processing.Alternatively, signal processing module 40
Including main signal processing unit 401 and standby signal processing unit 402.
Specifically, main signal processing unit 401 is for handling main detectable signal and being converted to corresponding principal current
Signal.The principal current signal of the embodiment is generally 4~20mA, and the current signal of usual 4~20mA is in nuclear power station DCS system
The standard signal that each device can be operated normally.When the principal current signal of output is 4mA, accordingly, main pump revolving speed is 0；
When the principal current signal of output is 20mA, accordingly, main pump revolving speed is 1800rpm.That is, by main probe to main pump
The detection of revolving speed simultaneously carries out the corresponding principal current signal of processing output via 401 pairs of main detectable signals of main signal processing unit, leads to
Corresponding relationship between overcurrent signal and main pump revolving speed would know that the actual speed of main pump, and then can be realized by current signal
To the real-time monitoring of main pump revolving speed.
Standby signal processing unit 402 is used to handle standby detectable signal and be converted to corresponding standby current signal.Make
For selection, processing apparatus identical with main signal processing unit 401 is can be used in standby signal processing unit 402 of the invention, through standby
The standby current signal of the processing output of signal processing unit 402 is generally identical as principal current signal, i.e. 4~20mA.Similarly, standby signal
Standby 4~20mA of current signal that processing unit 402 exports is the marking signal of main pump revolving speed.I.e. when the standby current signal of output
When for 4mA, main pump revolving speed is 0；When the standby current signal of output is 20mA, main pump revolving speed is 1800rpm.That is, logical
It crosses standby probe, can also realize the detection to main pump revolving speed for signal processing unit 402, and standby signal processing unit 402 can be passed through
The standby current signal of output realizes the real-time monitoring to main pump revolving speed.
Preferably, main signal processing unit 401 and standby signal processing unit 402 are mutually indepedent, i.e. main signal processing unit
401 with standby signal processing unit 402 be two parallel devices, is independent of each other between the two, two paths of signals is achievable realize it is only
Vertical input and output.For example, when any one break down, it is assumed that 401 failure of main signal processing unit, it can be by standby
Signal processing unit 402 is completed the detection to main pump revolving speed and is handled, and completes the monitoring function of main pump revolving speed, and at entire signal
During reason, the problems such as interference without sluggish or switching.
Further, main signal processing unit 401 and standby signal processing unit 402 can also be by main detectable signal or standby detections
Signal is converted to corresponding voltage signal, and usual voltage signal is 0~10V；The voltage signal is corresponding in turn to main pump revolving speed, i.e.,
When output voltage is 0V, corresponding main pump revolving speed is 0, and when output voltage is 10V, corresponding main pump revolving speed is 1800rpm.
Control module 30 is connected between transmission module 20 and signal processing module 40, according to control signal behavior connection
Main transmission channel and main signal processing unit 401 and/or it is connected to standby transmission channel and standby signal processing unit.Alternatively, exist
In the embodiment, control module 30 includes first choice switch 301 and the second selection switch 302.First choice switch 301 and
Two selection switches 302 are according to control signal communication main signal processing unit 401 and main transmission channel, and/or are connected at standby signal
Manage unit 402 and standby transmission channel.
Further, control module 30 further includes test module 303, for accessing external test signal or carrying out for outside
Test.
It is the active and standby detectable signal processing unit control module 30 of nuclear power station main pump revolving speed of the present invention referring particularly to Fig. 3, Fig. 3
Structural schematic diagram.Wherein, signal A is equivalent to main detectable signal, and signal B is equivalent to standby detectable signal, and Test is to survey
The external test signal that die trial block 303 accesses.It, can by the different selections of first choice switch 301 and the second selection switch 302
Realize the mode of multi-signal output, the main detectable signal of such as exportable output or standby detectable signal export main detection letter simultaneously
Number and standby detectable signal or output external test signal in any one signal output mode.Its concrete implementation is as follows:
As shown in figure 3, when first choice switch 301 is got to the selection switch 302 of contact 1, second and disconnected, main signal processing
Unit 401 is connect with main transmission channel, and main detectable signal is transmitted to main signal processing unit 401 through main transmission channel, passes through master
Signal processing unit 401 carries out conversion process output principal current signal (4~20mA)；When first choice switch 301 disconnect, second
When selection switch 302 gets to contact 2 ', standby signal processing unit 402 is connect with standby transmission channel, and standby detectable signal passes through standby transmission
Channel transfer carries out conversion process by standby signal processing unit 402 and exports standby current signal (4 to standby signal processing unit 402
~20mA)；When first choice switch 301 gets to contact 1, and the second selection switch 302 gets to contact 2 ', main signal processing unit
401 connect with main transmission channel, and standby signal processing unit 402 is connect with standby transmission channel, main detectable signal and standby detectable signal
Simultaneous transmission is to main signal processing unit 401 and standby signal processing unit 402 respectively, at the same export principal current signal (4~
It is 20mA) and standby current signal (4~20mA)；When first choice switch 301 get to contact 3 or second selection switch get to contact 3 '
When, it can access external test signal, or tested for outside, for example, can lead to when first choice switch 301 gets to contact 3
It crosses and is tested or be added external signal using external tool, realize the routine test to main pump.
Main control module is mainly used for carrying out real-time monitoring to the active and standby detectable signal of main pump revolving speed, and then realizes to nuclear power station
The real-time monitoring of main pump revolving speed, and the first choice switch 301 in control module 30 and the second selection switch are controlled according to demand
302 are gated accordingly, to export corresponding detectable signal or test signal.
Preferably, the active and standby detectable signal processing unit of the embodiment nuclear power station main pump revolving speed may also include isolation module
60, output module 50.Isolation module 60 is connected between control module 30 and output module 50, is mainly used for believing input switch
Number and output switching signal carry out isolation transmission.Output module 50 is connect with isolation module 60, signal processing module 40 respectively, point
The other voltage exported to principal current signal, standby current signal or main signal processing unit 401 and standby signal processing unit 402 is believed
It number is individually exported, and output module 50 can also reserve output interface to make spare output interface.
Specifically, the signal processing of the active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the invention shows such as Fig. 2, figure
2 be the signal schematic representation of the active and standby detectable signal processing device embodiment one of nuclear power station main pump revolving speed of the present invention.As shown in Fig. 2,
SENSOR A is main detectable signal, SENSOR B is standby detectable signal, SPM16 is input module 10, SPDM1 is transmission module
20, SIC6 be control module 30, and the A in SIC6 represents first choice switch 301, the B in SIC6 represents the second selection and switchs
302, when the A in SIC6, which gets to 1, B, gets to 2 ', main detectable signal and standby detectable signal can be respectively by main transmission channels and standby
Transmission channel is transmitted in main signal processing unit 401 and standby signal processing unit 402, passes through main signal processing unit respectively
401 and standby signal processing unit 402 signal processing individually is carried out to main detectable signal, standby detectable signal, and respectively output phase is answered
Current signal or voltage signal.
The active and standby detectable signal processing unit of nuclear power station main pump revolving speed of the invention, is set by the isolation to input module 10
The independent design of meter, main signal processing unit 401 and standby signal processing unit 402, eliminates the active and standby detectable signal of tach signal
Between interference, while can also be achieved the independent monitoring of the active and standby detectable signal treatment channel hardware of main pump revolving speed, realize hardware
The standby functions in channel reduce extra fastener compared with traditional, reduce failure rate, and reliability is higher, it can be achieved that right
The real-time monitoring of active and standby detectable signal.
The invention also discloses a kind of nuclear power station main pump revolving speed rack, which includes acquisition nuclear power
Station owner's revolution speed is to export main probe and the acquisition nuclear power station main pump revolving speed of main detectable signal to export the standby of standby detectable signal
With probe, further includes:
For receiving the input module 10 of main detectable signal and standby detectable signal, connecting with input module 10 and believe main detection
Number and the standby detectable signal transmission module 20 transmitted, signal processing that main detectable signal and standby detectable signal are handled
Module 40, the control module 30 being connected between transmission module and signal processing module, for the main detectable signal of real-time monitoring and
Standby detectable signal and the main control module for exporting control signal；Wherein,
Input module 10 includes main access interface and standby access interface, between main access interface and standby access interface mutually solely
It is vertical；
Signal processing module 40 includes main signal processing unit 401 and standby signal processing unit 402, main signal processing unit
401 and standby signal processing unit 402 it is mutually indepedent；
Transmission module 20 includes main transmission channel and standby transmission channel, and main transmission channel and standby transmission channel are mutually indepedent；
Main control module is connect with control module 30, and output control signal control control module 30 makes main signal processing unit
401 connect with main transmission channel and/or connect standby signal processing unit 402 with standby transmission channel, to realize that main signal is handled
401 pairs of main detectable signals of unit individually handle output principal current signal, and/or standby signal processing unit 402 to standby detectable signal
Individually processing exports standby current signal；
Control module 30 includes that first choice switch 301, second selects switch 302, test module 303, and first choice is opened
Close 301 and second selection switch 302 according to control signal communication main signal processing unit 401 with main transmission channel to be detected main
Signal is transmitted to main signal processing unit 401；And/or the standby signal processing unit 402 of connection and standby transmission channel will be standby will detect
Signal is transmitted to standby signal processing unit 402；
Test module 303 is connect according to control signal with first choice switch 301 or the second selection switch 302, with access
External test signal is tested for outside；
Isolation module 60 is connect with control module 30, for realizing input switch signal and output switching signal carry out every
From transmission；
Output module 50 connects with main signal processing unit 401, standby signal processing unit 402 and isolation module 60 respectively
It connects, output principal current signal, standby current signal and output switching signal.
The present invention also provides a kind of active and standby detectable signal processing methods of nuclear power station main pump revolving speed, comprising the following steps:
Input module 10 receives main detectable signal and standby detectable signal, and main detectable signal and standby detectable signal are transmitted to
Transmission module 20；
Main detectable signal and standby detectable signal are transmitted to control module 30 by transmission module 20；Wherein, transmission module 20 is wrapped
Main transmission channel and standby transmission channel are included, main transmission channel and standby transmission channel are mutually indepedent；
Main control module outputs control signals to control module 30, makes main detectable signal and standby detection to control control module 30
Signal is individually transmitted to signal processing module 40；Signal processing module 40 includes main signal processing unit 401 and standby signal processing
Unit 402；
Control module 30 is according to control signal communication main signal processing unit 401 with main transmission channel, to realize main signal
401 pairs of processing unit main detectable signals carry out individually processing output principal current signal, and/or are connected to standby signal processing unit 402
Standby current signal is exported with standby transmission channel, to realize that standby signal processing unit 402 carries out individually processing to standby detectable signal.
Alternatively, input module 10 includes main access interface and standby access interface, main access interface and standby access interface
Between it is mutually indepedent.
Further, control module 30 includes first choice switch 301 and the second selection switch 302, first choice switch
301 and second select switch 302 according to control signal communication main signal processing unit 401 and main transmission channel to believe main detection
Number it is transmitted to main signal processing unit 401；
And/or standby signal processing unit 402 is connected to standby transmission channel so that standby detectable signal is transmitted to standby signal processing
Unit 402.
Active and standby detectable signal processing method of the invention can realize prison in real time to the active and standby state detecting signal of main pump revolving speed
It surveys.
It is to be appreciated that the active and standby detectable signal processing method of the embodiment can be in above-mentioned active and standby detectable signal processing unit
Upper realization.
Above embodiments only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The equivalent changes and modifications that range is done are sought, should belong to the covering scope of the claims in the present invention.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of active and standby detectable signal processing unit of nuclear power station main pump revolving speed, including acquisition nuclear power station main pump revolving speed is to export main spy
Main probe and the acquisition nuclear power station main pump revolving speed of signal are surveyed to export the spare probe of standby detectable signal, the main probe
The main detectable signal of output and the standby detectable signal of the spare probe output are mutually indepedent, which is characterized in that further include:
For receiving the input module of the main detectable signal and the standby detectable signal, connecting with the input module to described
Transmission module that main detectable signal and the standby detectable signal are transmitted, to the main detectable signal and the standby detectable signal
The signal processing module handled, the control module, the use that are connected between the transmission module and the signal processing module
The main detectable signal described in real-time monitoring and the standby detectable signal and the main control module for exporting control signal；
The transmission module includes main transmission channel and standby transmission channel, and the signal processing module includes main signal processing unit
With standby signal processing unit；The main transmission channel and the standby transmission channel are mutually indepedent, the main signal processing unit with
The standby signal processing unit is mutually indepedent；
The main control module is connect with the control module, and output control signal, which controls the control module, to be made at the main signal
Reason unit connect with the main transmission channel and/or connect the standby signal processing unit with the standby transmission channel, with reality
The existing main signal processing unit individually handles at output principal current signal, and/or the standby signal the main detectable signal
It manages unit and individually handles the standby detectable signal the standby current signal of output.
2. the active and standby detectable signal processing unit of nuclear power station main pump revolving speed according to claim 1, which is characterized in that described defeated
Entering module includes main access interface and standby access interface, between the main access interface and the standby access interface independently of each other.
3. the active and standby detectable signal processing unit of nuclear power station main pump revolving speed according to claim 1, which is characterized in that the control
Molding block includes first choice switch and the second selection switch, and the first choice switch and the second selection switch are according to institute
It is described the main detectable signal to be transmitted to state main signal processing unit described in control signal communication and the main transmission channel
Main signal processing unit；
And/or be connected to the standby signal processing unit and the standby transmission channel it is described standby the standby detectable signal to be transmitted to
Signal processing unit.
4. the active and standby detectable signal processing unit of nuclear power station main pump revolving speed according to claim 1, which is characterized in that the control
Molding block further includes test module, for accessing external test signal or being tested for outside.
5. the active and standby detectable signal processing unit of nuclear power station main pump revolving speed according to claim 1, which is characterized in that further include
With the isolation module that transmission is isolated for realizing input switch signal and output switching signal of control module connection.
6. the active and standby detectable signal processing unit of nuclear power station main pump revolving speed according to claim 1, which is characterized in that further include
The principal current signal for export to the signal processing module that is connect with the signal processing module and for current signal into
The output module that row individually exports.
7. a kind of nuclear power station main pump revolving speed rack, including acquisition nuclear power station main pump revolving speed with export the main probe of main detectable signal with
And the acquisition nuclear power station main pump revolving speed is to export the spare probe for detectable signal, which is characterized in that further include:
For receiving the input module of the main detectable signal and the standby detectable signal, connecting with the input module to described
Transmission module that main detectable signal and the standby detectable signal are transmitted, to the main detectable signal and the standby detectable signal
The signal processing module handled, the control module, the use that are connected between the transmission module and the signal processing module
The main detectable signal described in real-time monitoring and the standby detectable signal and the main control module for exporting control signal；Wherein,
The input module includes main access interface and standby access interface, between the main access interface and the standby access interface
Independently of each other；
The signal processing module includes main signal processing unit and standby signal processing unit, the main signal processing unit and institute
It is mutually indepedent to state standby signal processing unit；
The transmission module includes main transmission channel and standby transmission channel, and the main transmission channel and the standby transmission channel are mutual
It is independent；
The main control module is connect with the control module, and output control signal, which controls the control module, to be made at the main signal
Reason unit connect with the main transmission channel and/or connect the standby signal processing unit with the standby transmission channel, with reality
The existing main signal processing unit individually handles at output principal current signal, and/or the standby signal the main detectable signal
It manages unit and individually handles the standby detectable signal the standby current signal of output；
The control module includes first choice switch, the second selection switch, test module, first choice switch and described
The second selection switch main signal processing unit according to the control signal communication and the main transmission channel is with by the master
Detectable signal is transmitted to the main signal processing unit；And/or it is connected to the standby signal processing unit and the standby transmission channel
The standby detectable signal is transmitted to the standby signal processing unit；
The test module is switched according to the control signal and the first choice or the second selection switch connection, to connect
Enter external test signal or is tested for outside；
Isolation module is connect with the control module, for realizing input switch signal and output switching signal isolation transmission；
Output module connects with the main signal processing unit, the standby signal processing unit and the isolation module respectively
It connects, exports the principal current signal, the standby current signal and the output switching signal.
8. a kind of active and standby detectable signal processing method of nuclear power station main pump revolving speed, which comprises the following steps:
Input module receives main detectable signal and standby detectable signal, and the main detectable signal and the standby detectable signal are transmitted
To transmission module；The main detectable signal and the standby detectable signal are mutually indepedent；
The main detectable signal and the standby detectable signal are transmitted to control module by the transmission module；Wherein, the transmission
Module includes main transmission channel and standby transmission channel, and the main transmission channel and the standby transmission channel are mutually indepedent；
Main control module outputs control signals to the control module, makes the main detectable signal and institute to control the control module
It states standby detectable signal and is individually transmitted to signal processing module；The signal processing module includes main signal processing unit and standby signal
Processing unit；
Control module main signal processing unit according to the control signal communication and the main transmission channel, to realize
The main signal processing unit carries out individually processing output principal current signal to the main detectable signal, and/or is connected to described standby
Signal processing unit and the standby transmission channel, to realize the standby signal processing unit to the standby detectable signal progress individually
Processing exports standby current signal.
9. the active and standby detectable signal processing method of nuclear power station main pump revolving speed according to claim 8, which is characterized in that described defeated
Entering module includes main access interface and standby access interface, between the main access interface and the standby access interface independently of each other.
10. the active and standby detectable signal processing method of nuclear power station main pump revolving speed according to claim 8, which is characterized in that described
Control module includes first choice switch and the second selection switch, and the first choice switchs and the second selection switch basis
Main signal processing unit described in the control signal communication and the main transmission channel are to be transmitted to institute for the main detectable signal
State main signal processing unit；
And/or be connected to the standby signal processing unit and the standby transmission channel it is described standby the standby detectable signal to be transmitted to
Signal processing unit.
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| CN201710249841.XA CN107037230B (en) | 2017-04-17 | 2017-04-17 | A kind of active and standby detectable signal processing method and processing device of nuclear power station main pump revolving speed, rack |
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| CN201710249841.XA CN107037230B (en) | 2017-04-17 | 2017-04-17 | A kind of active and standby detectable signal processing method and processing device of nuclear power station main pump revolving speed, rack |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107656086B (en) * | 2017-08-31 | 2020-05-15 | 深圳中广核工程设计有限公司 | Nuclear power station main pump rotating speed signal monitoring system and method |
| CN108107230A (en) * | 2017-12-01 | 2018-06-01 | 中广核工程有限公司 | A kind of nuclear power station main pump speed measuring system and method |
| CN109933052B (en) * | 2019-04-30 | 2020-11-06 | 中广核核电运营有限公司 | Fault diagnosis system, rotating speed rack with fault diagnosis function and monitoring system |
| CN110045142B (en) * | 2019-04-30 | 2021-06-22 | 中广核核电运营有限公司 | Reliability monitoring system, rotating speed rack with reliability monitoring function and system |
| CN110060789B (en) * | 2019-04-30 | 2020-09-01 | 中广核核电运营有限公司 | Reliability monitoring system and rotating speed rack with reliability monitoring function |
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