CN108519891A - A kind of nuclear power plant equipment structure preferred embodiment and processing method - Google Patents
A kind of nuclear power plant equipment structure preferred embodiment and processing method Download PDFInfo
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- CN108519891A CN108519891A CN201810213603.8A CN201810213603A CN108519891A CN 108519891 A CN108519891 A CN 108519891A CN 201810213603 A CN201810213603 A CN 201810213603A CN 108519891 A CN108519891 A CN 108519891A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
- G06F9/30029—Logical and Boolean instructions, e.g. XOR, NOT
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/25—Testing of logic operation, e.g. by logic analysers
Abstract
The invention discloses a kind of nuclear power plant equipment structure preferred embodiments, including：Protection interface is instructed for inputting the first protection instruction and the second protection；Two preferred logic channels; it is connect respectively with the protection interface; for when realizing the self diagnosis of the device structure preferred embodiment; described two preferred logic channels sequentially input logical signal 1; to verify the command path in this channel; and in a preferred logic channel input logic signal 1, another preferred logic channel input the first protection instruction and the second protection instruction, to work normally output logical consequence；Logic unit is driven, is connect respectively with described two preferred logic channels, for carrying out priority processing to the logical consequence, and final instruction is exported and arrives executing agency.The invention also discloses a kind of processing methods of nuclear power plant equipment structure preferred embodiment.While the present invention can ensure that the realization of device structure preferred embodiment most reasonably instructs preferred, online self diagnosis is completed.
Description
Technical field
The present invention relates to nuclear power station technical field more particularly to a kind of nuclear power plant equipment structure preferred embodiment and processing sides
Method.
Background technology
For some executing agency of nuclear power station, the instruction of more than one, such as protection instruction, control may be received
System instruction.Wherein, it is urgent to be mainly used for automatic trigger reactor for protection instruction (being typically two, indicated respectively with X1 and X2)
Shutdown and/or engineered safeguards features action, to realize and maintain the safe shutdown operating mode of power plant；Control instruction (is indicated) with Y
It is mainly used for adjusting reactor and other key system perameters, power plant is made to keep maximum safety margin and mapping most
It is excellent.Important key equipment also has the blocking order (being indicated with Z) for preventing malfunction, and the case where above instructions fail
The local operation instruction (being indicated with L) of lower use.Therefore, it is necessary to which equipment interface preferred module is arranged, realize to different instruction
Priority selection, execute the functions such as equipment protection logic, to be always ensured that the order tool that executing agency is placed in home
There is highest priority.
Equipment interface preferred module continuously should carry out self diagnosis to interface and internal logic etc., and can be according to self diagnosis result
Control command is placed in the home of acquiescence.And equipment interface preferred module in the prior art is as shown in Figure 1, two protections
Instruction X1 and X2 by with logic integration and then with control instruction Y, blocking order Z and local operation instruct L together with carry out it is excellent
Logical calculated is selected, result of calculation is by driving logic module, input/output interface to be sent to specific executing agency.
Equipment interface preferred module in the prior art is when realizing self diagnosis, due to the presence with logic, it is necessary to control
The logical signal of two protection instruction X1 and X2 is 1, but this self-diagnosing method influences equipment interface preferred module
It is preferred that working, to influence the normal work of executing agency.And if two protections are instructed the logical signal setting of X1 and X2 not
Together, by with can not be participated in after logic preferred logic verification, to cannot achieve self diagnosis.Therefore, how to pass through effective hand
Section realizes most rational instruction preferably and completes online self diagnosis, and equipment is made to be in always under various numerous and complicated operating modes
Most suitable state is an extremely important problem.
Invention content
The present invention is directed to problems of the prior art, provides a kind of nuclear power plant equipment structure preferred embodiment and processing
Method completes online self diagnosis while capable of ensureing that the realization of device structure preferred embodiment most reasonably instructs preferred.
The technical solution that the present invention is proposed with regard to above-mentioned technical problem is as follows：
On the one hand, the present invention provides a kind of nuclear power plant equipment structure preferred embodiment, including：
Protection interface is instructed for inputting the first protection instruction and the second protection；
Two preferred logic channels, connect with the protection interface respectively, for preferably being filled in the realization device structure
When the self diagnosis set, described two preferred logic channels sequentially input logical signal 1, to verify the command path in this channel, and
In a preferred logic channel input logic signal 1, another preferred logic channel input the first protection instruction and institute
The second protection instruction is stated, to work normally output logical consequence；
Logic unit is driven, is connect respectively with described two preferred logic channels, it is excellent for being carried out to the logical consequence
First grade processing, and export final instruction and arrive executing agency.
Further, described two preferred logic channels are additionally operable in the preferred work(for realizing the device structure preferred embodiment
When energy, each preferred logic channel inputs the first protection instruction respectively and second protection instructs, if since transmission misses
Difference causes the first protection instruction of described two preferred logic channels input or/and the second protection instruction inconsistent, then and described two
A preferred logic channel exports inconsistent logical consequence；
The driving logic unit is additionally operable to carry out priority integrated treatment to the inconsistent logical consequence, and exports
Executing agency is arrived in final instruction.
Further, the device structure preferred embodiment further includes：
Or logic unit, it connect, is used for described two preferred logic channels with described two preferred logic channels respectively
It is exported to the driving logic unit after the inconsistent logical consequence warp or logic integration of output.
Further, the protection interface includes the first protection instruction interface and use for inputting the first protection instruction
In the second protection instruction interface of input the second protection instruction；
Each preferred logic channel respectively includes：
With door, it is connect respectively with the first protection instruction interface and the second protection instruction interface, for input
Data carry out and logical process；And
Preferred logic unit is connect with described with door, described or logic unit respectively, for according to the processing with door
As a result logical consequence is exported.
Further, described two preferred logic channels are specifically used in the autodiagnosis for realizing the device structure preferred embodiment
When disconnected, two sequentially input logical signal 1 with door, to verify the command path in this channel, and believe in one and door input logic
When number 1, another and door input the first protection instruction and second protection instruct, so that preferred logic unit accordingly
Normal work output logical consequence.
Further, the first protection instruction is identical with the director data of the second protection instruction, described instruction number
It is executed instruction according to including at least one, it is described to execute instruction as middle stop instruction, close instruction or open instruction；
Described two preferred logic channels are specifically used for when realizing the preferred function of the device structure preferred embodiment, often
It is a to input the first protection instruction with door respectively and second protection instructs, if due to transmission error cause it is described two and
Door input first protection instruction or/and second protection instruction at least one execute instruction it is inconsistent, then each with door needle
It is inconsistent in the first protection instruction and the second protection instruction that are inputted to it to execute instruction output logic signal 0, for phase one
What is caused executes instruction output logic signal 1, and each preferred logic unit exports logic according to the logical signal accordingly exported with door
As a result.
Further, described or logic unit includes first or door, second or door and third or door；Each preferred logic list
Member respectively includes middle stop instruction output end, closes instruction output end and open instruction output end；
The instruction output end of opening of each preferred logic unit is connect with described first or door, and described finger is opened for passing through
Output end is enabled to export the logical signal for opening instruction to described first or door；The middle stop instruction of each preferred logic unit is defeated
Outlet is connect with described second or door, for being exported the logical signal of middle stop instruction to institute by the middle stop instruction output end
State second or door；The pass instruction output end of each preferred logic unit is connect with the third or door, for by described
The logical signal that instruction output end will close instruction is closed to export to described second or door；
Described first or door, described second or door, the third or door connect respectively with the driving logic unit, be used for
By the result of logical process through or logic integration after output to the driving logic unit.
Further, each preferred logic unit is specifically used for being accordingly 1 to hold with the logical signal of door output
Row instruction, by corresponding output end output logic signal 1 to corresponding or door, executes instruction other, by corresponding
Output end output logic signal 0 is to corresponding or door；
Each or door is specifically used for the logical signal progress exported to two preferred logic units or logical process, and exports
Handling result is to the driving logic unit；
The driving logic unit is specifically used for according to preset instructions priority, is in 1 execute instruction by logical signal
Priority level is highest to be executed instruction as final instruction, and executing agency is sent to.
Further, the device structure preferred embodiment further includes the control terminal instructed for input control；
The control terminal is connect with two preferred logic units respectively, and each preferred logic unit is additionally operable to that the control is arranged
The priority at end processed is less than the priority of the protection interface, and in the protection interface input data, the preferably described protection connects
The data of mouth input are handled.
On the other hand, the present invention provides a kind of method handled using above-mentioned nuclear power plant equipment structure preferred embodiment,
The nuclear power plant equipment structure preferred embodiment includes protection interface, and two preferred logics being connect respectively with the protection interface are logical
Road, and respectively at the channel attached driving logic unit of described two preferred logics, the method includes：
Protection interface input the first protection instruction and the second protection instruct；
When realizing the self diagnosis of the device structure preferred embodiment, described two preferred logic channels sequentially input logic
Signal 1, to verify the command path in this channel, and when a preferred logic channel input is logical signal 1, another is preferably
Logical channel input the first protection instruction and the second protection instruction, to work normally output logical consequence；
The driving logic unit carries out priority processing to the logical consequence, exports final instruction and arrives executing agency.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
Two preferred logic channels are set, and when realizing the self diagnosis of device structure preferred embodiment, a preferred logic is logical
Road input logic signal 1, to verify the correctness in this channel instruction path, the input of another preferred logic channel is in normal work
Make two protection instructions under state, ensures the preferred function of device structure preferred embodiment, after the completion of verification, switching two is excellent
The data for selecting logical channel to input, to be verified to another preferred logic channel, to make device structure preferred embodiment
Self diagnosis experiment is complete reliable, and there is no the risks of preferred function failure.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of nuclear power plant equipment structure preferred embodiment in the prior art；
Fig. 2 is the structural schematic diagram for the nuclear power plant equipment structure preferred embodiment that the embodiment of the present invention one provides；
Fig. 3 is the flow signal of the processing method of nuclear power plant equipment structure preferred embodiment provided by Embodiment 2 of the present invention
Figure.
Specific implementation mode
In order to solve not ensureing existing for equipment interface preferred module in the prior art that internal self-diagnosis experiment is complete
Property while realize the technical problems such as preferred function, the present invention is intended to provide a kind of nuclear power plant equipment structure preferred embodiment, core
Thought is thought：Protection interface, two preferred logic channels and driving logic unit are set, realizing device structure preferred embodiment
When self diagnosis, two preferred logic channels is made to sequentially input logical signal 1, to verify the command path in this channel, and at one
When the input logic signal 1 of preferred logic channel, another preferred logic channel inputs two protection instructions, realizes that device structure is excellent
The preferred function of screening device, it is complete reliable to make the self diagnosis of device structure preferred embodiment test, and there is no preferred work(
The risk that can be failed.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
An embodiment of the present invention provides a kind of nuclear power plant equipment structure preferred embodiments, and referring to Fig. 2, which includes：：
Protection interface is instructed for inputting the first protection instruction and the second protection；
Two preferred logic channels 2,3, connect with the protection interface respectively, for realizing that the device structure is preferred
When the self diagnosis of device, described two preferred logic channels sequentially input logical signal 1, to verify the command path in this channel,
And in a preferred logic channel input logic signal 1, another preferred logic channel input it is described first protection instruction and
The second protection instruction, to work normally output logical consequence；
Drive logic unit 4, connect respectively with described two preferred logic channels 2,3, be used for the logical consequence into
The processing of row major grade, and export final instruction and arrive executing agency.
It should be noted that there are two identical preferred logics to lead to for the device structure preferred embodiment tool in this implementation column
Road.When realizing the self diagnosis of the device structure preferred embodiment, first force to allow a preferred logic channel input logic signal
1, not in the data of input protection interface, and another preferred logic channel normally inputs the data of protection interface with normal work
Make, to complete the command path verification in preferred logic channel, then forces to allow another preferred logic channel input logic
Signal 1 similarly completes the command path verification in another preferred logic channel.For example, 2 input of preferred logic channel is first forced to be patrolled
Signal 1 is collected, two protection instructions that preferred logic channel 3 inputs protection interface are handled, and the logical consequence of processing is defeated
Go out value driving logic unit 4, so that execution structure is worked normally, so as in the same of the command path in verification preferred logic channel 2
When, ensure executing agency's normal work.After the completion of verification, force 3 input logic signal 1 of preferred logic channel, preferred logic logical
Two protection instructions that road 2 inputs protection interface are handled, and the logical consequence output valve of processing is driven logic unit 4,
Execution structure is set to work normally, while verifying the command path in preferred logic channel 3, to ensure the normal work of executing agency
Make.
In addition, complete self diagnosis further includes verification of the protection interface to the command path in two preferred logic channels, i.e.,
Whether data and the two preferred logic channels logical signal inputted for verifying protection interface output are consistent, and the verification is simpler
It is single, it can individually be verified.
Further, described two preferred logic channels are additionally operable in the preferred work(for realizing the device structure preferred embodiment
When energy, each preferred logic channel inputs the first protection instruction respectively and second protection instructs, if since transmission misses
Difference causes the first protection instruction of described two preferred logic channels input or/and the second protection instruction inconsistent, then and described two
A preferred logic channel exports inconsistent logical consequence；
The driving logic unit is additionally operable to carry out priority integrated treatment to the inconsistent logical consequence, and exports
Executing agency is arrived in final instruction.
It should be noted that under device structure preferred embodiment normal operation, two protections of protection interface output
Instruct it is identical, but since the transmission factors such as error may cause two protection instructions difference occur.The prior art also has kind
Device structure preferred embodiment can not carry out instruction in the case of protecting instruction inconsistent at two preferably, to cause device structure excellent
The preferred function of screening device fails.
Under the device structure preferred embodiment normal operation of this implementation column, two preferred logic channels can input guarantor
Two protection instructions for protecting interface, are missed if occurring transmission during protection interface is respectively transmitted to two preferred logic channels
Difference, the first protection instruction or/and the second protection instruction for causing some preferred logic channel to input change, excellent so as to cause two
Select the first protection instruction that logical channel receives or/and the second protection instruction inconsistent.Two preferred logic channels are right respectively
This channel reception to protection instruction handled, export inconsistent logical consequence, driving logic unit receives two respectively
The preferred work(of device structure preferred embodiment is realized in the logical consequence of preferred logic channel output, row major grade integrated treatment of going forward side by side
Energy.
The device structure preferred embodiment of this implementation column can not only ensure that preferred function does not fail when carrying out self diagnosis, make to hold
Row structure works normally, moreover it is possible in the case where two protection instructions of input are inconsistent, still ensure that preferred function does not fail, and makes
Execute structure normal work.
Further, as shown in Fig. 2, the device structure preferred embodiment further includes：
Or logic unit 5, it connect, is used for described two preferred logics with described two preferred logic channels 2,3 respectively
It is exported to the driving logic unit 4 after inconsistent logical consequence warp or logic integration that channel 2,3 exports.
It should be noted that even if the logical consequence of two preferred logic channels output is inconsistent, but warp or logic unit
By or logic integration after, two inconsistent logical consequences can still be exported to driving logic unit, to drive logic list
Member carries out priority integrated treatment.
Further, as shown in Fig. 2, the protection interface includes the first protection instruction for inputting the first protection instruction
Interface 11 and the second protection instruction interface 12 instructed for inputting the second protection；
Each preferred logic channel respectively includes：
With door, it is connect respectively with the first protection instruction interface and the second protection instruction interface, for input
Data carry out and logical process；And
Preferred logic unit is connect with described with door, described or logic unit respectively, for according to the processing with door
As a result logical consequence is exported.
Wherein, preferred logic channel 2 includes and door 21 and preferred logic unit 22；Preferred logic channel 3 includes and door 31
With preferred logic unit 32.
Further, described two preferred logic channels are specifically used in the autodiagnosis for realizing the device structure preferred embodiment
When disconnected, two sequentially input logical signal 1 with door, to verify the command path in this channel, and believe in one and door input logic
When number 1, another and door input the first protection instruction and second protection instruct, so that preferred logic unit accordingly
Normal work output logical consequence.
It should be noted that each there are two input terminals with door, for two protection instructions of input in normal work.
When realizing the self diagnosis of device structure preferred embodiment, two input terminal input logic signals 1 with door 21 can be first forced, i.e., not
Two protection instructions are inputted again, and still input two protection instruction normal works with door 31, to complete the finger in preferred logic channel 2
Enable path validation.In turn, two input terminal input logic signals 1 with door 31 are forced, i.e., no longer input two protection instructions, and
Two protection instruction normal works are still inputted with door 21, the command path to complete preferred logic channel 3 is verified.
Further, the first protection instruction is identical with the director data of the second protection instruction, described instruction number
It is executed instruction according to including at least one, it is described to execute instruction as middle stop instruction, close instruction or open instruction；
Described two preferred logic channels are specifically used for when realizing the preferred function of the device structure preferred embodiment, often
It is a to input the first protection instruction with door respectively and second protection instructs, if due to transmission error cause it is described two and
Door input first protection instruction or/and second protection instruction at least one execute instruction it is inconsistent, then each with door needle
It is inconsistent in the first protection instruction and the second protection instruction that are inputted to it to execute instruction output logic signal 0, for phase one
What is caused executes instruction output logic signal 1, and each preferred logic unit exports logic according to the logical signal accordingly exported with door
As a result.
It should be noted that protection instruction generally comprises middle stop instruction, closes instruction and opens instruction.It transmits and protects in protection interface
During finger shield is enabled to two preferred logic channels, since transmission error may cause some preferred logic channel reception to arrive
Executing instruction and change in one protection instruction, so as to cause the preferred logic channel reception to two protection instructions in
Execute instruction it is inconsistent, and it is inconsistent execute instruction through with output logic signal after logic 0, it is consistent execute instruction through
With output logic signal 1 after logic so that two to door to export the logical signal to its corresponding preferred logic unit inconsistent, from
And the logical consequence for causing two preferred logic units to export is inconsistent.
For example, it is preferable to which the middle stop instruction in the first protection instruction that logical channel 2 receives changes so that preferably patrol
Collecting the first protection instruction and second that channel 2 receives protects the middle stop instruction in instructing inconsistent, and inconsistent middle discontinuance
Enable through with door 21 and output logic signal after logic 0, other are consistent execute instruction through with exported after door 21 and logic
Pass instruction that middle stop instruction that logical signal 1 is 0 with 21 output logic signal of door, logical signal are 1 and instruction is opened to preferred
Logic unit 22.And preferred logic channel 3 receives that two protection instructions do not change, it is therein execute instruction it is uniform
Cause, through with door 31 and output logic signal after logic 1, i.e., with 31 output logic signal of door be 1 middle stop instruction, close instruction and
It opens instruction and arrives preferred logic unit 32.In turn, the logical consequence that preferred logic unit 22 exports after processing is middle stop instruction
It is 1 that logical signal, which is 0, pass instructs and opens the logical signal of instruction, the logical consequence that preferred logic unit 32 exports after processing
It is 1 to instruct for middle stop instruction, pass and open the logical signal of instruction, i.e. preferred logic unit 22 and preferred logic unit 32 passes through
Or logic unit 5 exports inconsistent logical consequence to driving logic unit 4.
Further, as shown in Fig. 2, described or logic unit 5 includes first or door 51, second or door 52 and third or door
53；Each preferred logic unit respectively includes middle stop instruction output end, closes instruction output end and open instruction output end；
The instruction output end of opening of each preferred logic unit is connect with described first or door, and described finger is opened for passing through
Output end is enabled to export the logical signal for opening instruction to described first or door；The middle stop instruction of each preferred logic unit is defeated
Outlet is connect with described second or door, for being exported the logical signal of middle stop instruction to institute by the middle stop instruction output end
State second or door；The pass instruction output end of each preferred logic unit is connect with the third or door, for by described
The logical signal that instruction output end will close instruction is closed to export to described second or door；
Described first or door, described second or door, the third or door connect respectively with the driving logic unit, be used for
By the result of logical process through or logic integration after output to the driving logic unit.
It should be noted that each or two preferred logic unit outputs of goalkeeper the logical signal warps accordingly executed instruction
Or output is to driving logic unit after logic, the inconsistent logic for making two preferred logic units of driving logic unit pair export
As a result priority integrated treatment is carried out.
Further, each preferred logic unit is specifically used for being accordingly 1 to hold with the logical signal of door output
Row instruction, by corresponding output end output logic signal 1 to corresponding or door, executes instruction other, by corresponding
Output end output logic signal 0 is to corresponding or door；
Each or door is specifically used for the logical signal progress exported to two preferred logic units or logical process, and exports
Handling result is to the driving logic unit；
The driving logic unit is specifically used for according to preset instructions priority, is in 1 execute instruction by logical signal
Priority level is highest to be executed instruction as final instruction, and executing agency is sent to.
It should be noted that each or door is in inconsistent the executing instruction for receiving two preferred logic unit output
When, i.e. preferred logic unit output logic signal is 0 to execute instruction, another preferred logic unit output logic signal
For 1 execute instruction or door still output logic signal is 1 to execute instruction, to by two preferred logic units outputs not
Output is to driving logic unit after consistent logical consequence is integrated, and driving logic unit is generally according to according to " S (middle discontinuances
Enable)->C (closing instruction)->The priority of O (opening instruction) " executes driving logic, to ensure that preferred function will not fail.
For example, it is preferable to which the middle stop instruction in the first protection instruction that logical channel 2 receives changes, preferred logic is logical
Two protection instructions that road 3 receives do not change, then the logical consequence that preferred logic unit 22 exports is middle stop instruction
It is 1 that logical signal, which is 0, pass instructs and opens the logical signal of instruction, and the logical consequence that preferred logic unit 32 exports is middle discontinuance
It is 1 to enable, close instruction and open the logical signal of instruction.Open instruction through first or door 51 or output logic signal 1 after logic, in
Stop instruction through second or door 52 or output logic signal 1 after logic, close instruction through third or door 53 or after logic output patrol
Collect signal 1 so that driving 4 input logic signal of logic unit is 1 middle stop instruction, pass instruction and opens instruction.Drive logic list
First 4 centering stop instructions close instruction and open instruction progress priority processing, and stop instruction arrives execution machine as final instruction in output
Structure.
Further, the device structure preferred embodiment further includes the control terminal instructed for input control；
The control terminal is connect with two preferred logic units respectively, and each preferred logic unit is additionally operable to that the control is arranged
The priority at end processed is less than the priority of the protection interface, and in the protection interface input data, the preferably described protection connects
The data of mouth input are handled.
Wherein, as shown in Fig. 2, control terminal includes control instruction interface 13, control instruction interface 13 respectively with preferred logic
Unit 22 and preferred logic unit 32 connect.Preferred logic unit is according to pre-set interface priority to the number of ports of input
According to being selected.When device structure preferred embodiment works normally, the two protection instruction interfaces and control instruction of protection interface
Interface can input data, but due to the priority of control instruction interface less than two protection instruction interface prioritys,
The data of two protection instruction interfaces of preferred logic Unit selection are handled.
In addition, for important key equipment, device structure preferred embodiment further includes referring to for inputting the locking of blocking order
Enable interface 14, and the local operation instruction interface 15 for inputting local operation instruction.Blocking order interface 14 respectively with it is excellent
Select logic unit 22 and preferred logic unit 32 to connect, local operation instruction interface 15 respectively with preferred logic unit 22 and preferred
Logic unit 32 connects.Wherein, two of the priority of blocking order interface and local operation instruction interface higher than protection interface
Instruction interface is protected, but since under normal circumstances, blocking order interface and local operation instruction interface input logic signal are 0
Instruction, therefore preferred logic unit to logical signal be 1 interface carry out priority selection when, still select the two of protection interface
The data that a protection instruction interface is inputted are handled.
In addition, as shown in Fig. 2, device structure preferred embodiment further includes input/output interface 6, it is connected to driving logic list
Between member and executing agency, the final instruction for logic unit will to be driven to export is transferred to execution structure.
Two preferred logic channels are arranged in the embodiment of the present invention, when realizing the self diagnosis of device structure preferred embodiment, one
A preferred logic channel input logic signal 1, to verify the correctness in this channel instruction path, another preferred logic channel is defeated
Enter two protection instructions under normal operating conditions, ensures the preferred function of device structure preferred embodiment, completed in verification
Afterwards, the data for switching the input of two preferred logic channels, to be verified to another preferred logic channel, to make equipment knot
The self diagnosis experiment of structure preferred embodiment is complete reliable, and there is no the risks of preferred function failure.
Embodiment two
An embodiment of the present invention provides a kind of method handled using above-mentioned nuclear power plant equipment structure preferred embodiment, institutes
It includes protection interface to state nuclear power plant equipment structure preferred embodiment, and two preferred logics being connect respectively with the protection interface are logical
Road, and respectively at the channel attached driving logic unit of described two preferred logics, referring to Fig. 3, the method includes：
S1, protection interface input the first protection instruction and the second protection instruction；
S2, when realizing the self diagnosis of the device structure preferred embodiment, described two preferred logic channels are sequentially input
Logical signal 1, to verify the command path in this channel, and when a preferred logic channel input is logical signal 1, another
Preferred logic channel input the first protection instruction and the second protection instruction, to work normally output logical consequence；
S3, the driving logic unit carry out priority processing to the logical consequence, export final instruction and arrive execution machine
Structure.
Two preferred logic channels are arranged in the embodiment of the present invention, when realizing the self diagnosis of device structure preferred embodiment, one
A preferred logic channel input logic signal 1, to verify the correctness in this channel instruction path, another preferred logic channel is defeated
Enter two protection instructions under normal operating conditions, ensures the preferred function of device structure preferred embodiment, completed in verification
Afterwards, the data for switching the input of two preferred logic channels, to be verified to another preferred logic channel, to make equipment knot
The self diagnosis experiment of structure preferred embodiment is complete reliable, and there is no the risks of preferred function failure.
In conclusion the present invention proposes a kind of nuclear power plant equipment structure preferred embodiment and processing method, have preferable
Practical function：Make each preferred logic channel input logic signal 1 successively, makes the normally input the of another preferred logic channel
One protection instruction and the second protection instruct, and so that the self diagnosis of device structure preferred embodiment is tested complete reliable, and there is no excellent
Select the risk of disabler；In the case where the protection instruction of two preferred logic channel inputs is inconsistent, respectively to this channel
Protection instruction handled, export inconsistent logical consequence to logic unit is driven, make driving logic unit to inconsistent
Logical consequence carry out priority synthesis output, executing agency is arrived to export final instruction, to ensure that preferred function does not fail.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of nuclear power plant equipment structure preferred embodiment, which is characterized in that including：
Protection interface is instructed for inputting the first protection instruction and the second protection；
Two preferred logic channels, connect with the protection interface respectively, for realizing the device structure preferred embodiment
When self diagnosis, described two preferred logic channels sequentially input logical signal 1, to verify the command path in this channel, and one
When a preferred logic channel input logic signal 1, another preferred logic channel input the first protection instruction and described the
Two protection instructions, to work normally output logical consequence；
Logic unit is driven, is connect respectively with described two preferred logic channels, for carrying out priority to the logical consequence
Processing, and export final instruction and arrive executing agency.
2. nuclear power plant equipment structure preferred embodiment as described in claim 1, which is characterized in that described two preferred logic channels
It is additionally operable to when realizing the preferred function of the device structure preferred embodiment, each preferred logic channel inputs described first respectively
Protection instruction and the second protection instruction, if since transmission error causes the first of described two preferred logic channel inputs to protect
Finger shield enables or/and the second protection instruction is inconsistent, then described two preferred logic channels export inconsistent logical consequence；
The driving logic unit is additionally operable to carry out priority integrated treatment to the inconsistent logical consequence, and exports final
Instruct executing agency.
3. nuclear power plant equipment structure preferred embodiment as claimed in claim 2, which is characterized in that the device structure preferred embodiment
Further include：
Or logic unit, it is connect respectively with described two preferred logic channels, for exporting described two preferred logic channels
Inconsistent logical consequence through or logic integration after output to the driving logic unit.
4. nuclear power plant equipment structure preferred embodiment as claimed in claim 3, which is characterized in that the protection interface includes being used for
The first of input the first protection instruction protects instruction interface and the second protection instruction interface for inputting the second protection instruction；
Each preferred logic channel respectively includes：
With door, it is connect respectively with the first protection instruction interface and the second protection instruction interface, for the number to input
According to progress and logical process；And
Preferred logic unit is connect with described with door, described or logic unit respectively, for according to the handling result with door
Export logical consequence.
5. nuclear power plant equipment structure preferred embodiment as claimed in claim 4, which is characterized in that described two preferred logic channels
Specifically for when realizing the self diagnosis of the device structure preferred embodiment, two sequentially input logical signal 1 with door, with verification
The command path in this channel, and one with door input logic signal 1 when, another with door input the first protection instruction and
The second protection instruction, so that corresponding preferred logic unit normal work output logical consequence.
6. nuclear power plant equipment structure preferred embodiment as claimed in claim 4, which is characterized in that the first protection instruction and institute
State the second protection instruction director data it is identical, described instruction data include it is at least one execute instruction, it is described execute instruction for
Middle stop instruction closes instruction or opens instruction；
Described two preferred logic channels are specifically used for when realizing the preferred function of the device structure preferred embodiment, Mei Geyu
Door input respectively it is described first protection instruction and it is described second protection instruction, if due to transmission error cause it is described two defeated with door
It is inconsistent that first entered protects at least one in instruction or/and the second protection instruction to execute instruction, then is each directed to it with door
It is inconsistent in the first protection instruction and the second protection instruction of input to execute instruction output logic signal 0, for consistent
Output logic signal 1 is executed instruction, each preferred logic unit exports logical consequence according to the logical signal accordingly exported with door.
7. nuclear power plant equipment structure preferred embodiment as claimed in claim 6, which is characterized in that described or logic unit includes the
One or door, second or door and third or door；Each preferred logic unit respectively includes middle stop instruction output end, closes instruction output end
With open instruction output end；
The instruction output end of opening of each preferred logic unit is connect with described first or door, and for passing through, described to open instruction defeated
Outlet exports the logical signal for opening instruction to described first or door；The middle stop instruction output end of each preferred logic unit
It is connect with described second or door, for being exported the logical signal of middle stop instruction to described by the middle stop instruction output end
Two or door；The pass instruction output end of each preferred logic unit is connect with the third or door, is referred to for passing through the pass
The logical signal that output end will close instruction is enabled to export to described second or door；
Described first or door, described second or door, the third or door connect respectively with the driving logic unit, for that will patrol
It is exported to the driving logic unit after the result warp or logic integration of volume processing.
8. nuclear power plant equipment structure preferred embodiment as claimed in claim 7, which is characterized in that each preferred logic unit
Specifically for being accordingly 1 to execute instruction with the logical signal of door output, by corresponding output end output logic signal 1 to
Corresponding or door, executes instruction other, passes through corresponding output end output logic signal 0 to corresponding or door；
Each or door is specifically used for the logical signal progress exported to two preferred logic units or logical process, and exports processing
As a result to the driving logic unit；
The driving logic unit is specifically used for according to preset instructions priority, by logical signal be in 1 execute instruction it is preferential
It is highest-ranking to execute instruction as final instruction, it is sent to executing agency.
9. nuclear power plant equipment structure preferred embodiment as claimed in claim 4, which is characterized in that the device structure preferred embodiment
It further include the control terminal instructed for input control；
The control terminal is connect with two preferred logic units respectively, and each preferred logic unit is additionally operable to that the control terminal is arranged
Priority be less than the protection interface priority, in the protection interface input data, the preferably described protection interface is defeated
The data entered are handled.
10. a kind of side handled using nuclear power plant equipment structure preferred embodiment as described in any one of claim 1 to 9
Method, the nuclear power plant equipment structure preferred embodiment includes protection interface, and two connect respectively with the protection interface preferably patrol
Channel is collected, and respectively at the channel attached driving logic unit of described two preferred logics, which is characterized in that the method packet
It includes：
Protection interface input the first protection instruction and the second protection instruct；
When realizing the self diagnosis of the device structure preferred embodiment, described two preferred logic channels sequentially input logical signal
1, to verify the command path in this channel, and when a preferred logic channel input is logical signal 1, another preferred logic
Channel input the first protection instruction and the second protection instruction, to work normally output logical consequence；
The driving logic unit carries out priority processing to the logical consequence, exports final instruction and arrives executing agency.
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| CN108519891B (en) | 2021-01-19 |
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