CN106249632B - A kind of preferred module for nuclear power plant's I&C system - Google Patents
A kind of preferred module for nuclear power plant's I&C system Download PDFInfo
- Publication number
- CN106249632B CN106249632B CN201610843666.2A CN201610843666A CN106249632B CN 106249632 B CN106249632 B CN 106249632B CN 201610843666 A CN201610843666 A CN 201610843666A CN 106249632 B CN106249632 B CN 106249632B
- Authority
- CN
- China
- Prior art keywords
- instruction
- priority
- group
- output
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses a kind of preferred modules for nuclear power plant's I&C system, priority judgment module exports after selecting highest priority instruction to controlled plant, the device drives instruction includes at least 2 groups of instructions, for the priority judgment module by the hard logic circuit formed with door or door, NOT gate, the output of the hard logic circuit is AnAnd Bn, AnAnd BnMeet following logical operation formula：A1=a1；B1=(-a1)&b1；An=An‑1+[（-B n‑1）&an]；Bn=Bn‑1+[（-A n‑1）&（-an）&bn]；Wherein, AnInstruction, B are closed for the highest priority of outputnInstruction is opened for the highest priority of output ,+expression or logic ,-indicating NOT logic, & is indicated and logic, and n is more than or equal to 2, a1Indicate the pass instruction in the 1st group of instruction, b1It indicates to open instruction, a in the 1st group of instructionnIndicate the pass instruction in n-th group instruction, bnIt indicates to open instruction in n-th group instruction.
Description
Technical field
It is specifically a kind of for the excellent of nuclear power plant's I&C system the present invention relates to nuclear power plant's I&C system field is belonged to
Modeling block.
Background technology
Priority control module is an important component of npp safety grade instrument control platform, and it is special to be mainly used for driving
If the equipment such as safety devices and pump, the valve of related support system.The drive signal of driving device can be provided by multiple systems, in order to
It is abnormal that conflict between anti-stop signal causes driving device action to occur, and priority control module is needed to judge signal,
Determine that driving device executes action according to correct signal.Priority control module, which provides not only, connects the control of driving equipment
Mouthful, it is also necessary to priority processing is carried out to autocommand, the manual command of different safety class, is ordered according to priority output driving
It enables.
For the priority management of drive signal.Currently, more generally using using CPLD, FPGA or ARM as core
Board.Since CPLD, FPGA or ARM internal logic are complex, it is possible that exist it is estimated less than failure, it is difficult to meet
The reliability of nuclear power needs.
Invention content
The purpose of the present invention is：To overcome disadvantages mentioned above, the design to use the preferred module that logic-based gate circuit is built,
The management to the priority class of traffic is realized, and can be according to prioritization logic output drive signal, this method one side can be real
Existing priority management；On the other hand because building module using hard logic, reliability and safety all is based on to compile than existing
The preferred module of journey logical device is high.
The present invention is achieved through the following technical solutions：A kind of preferred module for nuclear power plant's I&C system, including receive
The priority judgment module of device drives instruction exports after the priority judgment module selection highest priority instruction to controlled
Equipment, the device drives instruction include at least 2 groups of instructions, and every group of instruction is divided into pass instruction and opens instruction, and n-th group instructs excellent
First grade is less than the priority of (n-1)th group of instruction, and the priority judgment module is by the hard logic that is formed with door or door, NOT gate
The output of circuit, the hard logic circuit is AnAnd Bn, AnAnd BnMeet following logical operation formula：
A1=a1；
B1=(- a1)&b1；
An=An-1+[(-B n-1)&an]；
Bn=Bn-1+[(-A n-1)&(-an)&bn]；
Wherein, AnInstruction, B are closed for the highest priority of outputnInstruction is opened for the highest priority of output ,+indicate or patrol
Volume ,-indicating NOT logic, & is indicated and logic, and n is more than or equal to 2, a1Indicate the pass instruction in the 1st group of instruction, b1Indicate that the 1st group refers to
Instruction, a are opened in ordernIndicate the pass instruction in n-th group instruction, bnIt indicates to open instruction in n-th group instruction.
Priority judgment module：For receiving multiple control commands, and according to prioritization logic to the order that receives into
Row processing, the highest order of output priority.
The output of following priority may be implemented in the hard logic circuit set up using above-mentioned logical operation formula：N-th group refers to
The priority of order instructs and opens the priority between instruction according to wiring less than the priority of (n-1)th group of instruction, with the pass in group
Depending on situation.And according to the hard logic circuit of above-mentioned logical operation formula establishment completely by being formed with door or door, NOT gate, full
While the above-mentioned priority relationship of foot requires, the use of CPLD, FPGA or ARM, the probability of failure pole of hard logic circuit are avoided
The low reliability needs that can meet nuclear power.Based on the preferred module of the present invention, preferred function, and logical gate may be implemented
It is built using hard logic, reliability is higher than traditional module built based on CPLD, FPGA or ARM, can be through safety certification
The certification of mechanism.
The priority between instruction is instructed and opened depending on wiring condition, with the pass in group specifically, can close to refer to
The priority of order is higher than the priority for opening instruction, can also be out the priority for closing instruction that the priority of instruction is higher than.
The invention also includes an input unit, an output unit, priority judgment module is received by input unit
Device drives instruct, and priority judgment module passes through output unit output priority supreme command to controlled plant.Input unit
For receiving multiple equipment driving instruction, the instruction of these device drives may be from different equipment, in power plant, device drives
Instruction may include autocommand, manual command from master control room, the order from emergency control panel, back-up disk, from more
The order of sample sexual system and the control command on the spot in equipment etc..Prioritization logic processing unit is built using hard logic,
Function selects the order of highest priority to send according to pre-set priority in the multiple orders received from input unit
To output module.Output unit is used for the output drivings orders such as equipment such as valve, pump downstream.
As an improvement of the present invention, the switch of locking output can also be arranged in the present invention, for keeping output invalid.For
Maloperation is prevented, latch switch can be set.Latch switch can be arranged in master control room, can also be arranged in preferred module
On cabinet or board, can also latch switch be all set on master control room, cabinet and board simultaneously.
As an improvement of the present invention, the power supply of preferred module can be provided by outside, can also module it is included.
As an improvement of the present invention, preferred module output end can also have order feedback in addition to drive command exports
With failure feedback function, order feedback is used for the output of superior feedback priority grade judgment module as a result, failure feedback is for just
The feedback to break down under normal operating status.
As an improvement of the present invention, LED light can be set in preferred module, be used to indicate module work shape
State, working condition include power supply status, I/O channel state, blocking etc..
As an improvement of the present invention, redundancy structure may be used in preferred module, i.e. prioritization logic processing unit is adopted
With two or more, avoid causing module unavailable by single failure.
Every group of instruction is by entering priority judgment module after light-coupled isolation.
The device drives instruction is that the device drives of nuclear power plant's I&C system instruct, and device drives instruction includes nuclear power
The autocommand of factory's master control room, the order of emergency control panel, the order of back-up disk, the order of diversity systems, is set manual command
Standby upper control command on the spot.
It illustrates：
The hard logic circuit obtained according to above-mentioned logical operation formula is as follows：When n is 2, the device drives instruction packet
The 1st group of instruction and the 2nd group of instruction are included, the 1st group of instruction is divided into a1And b1, the 2nd group of instruction be divided into a2And b2, a1、a2It is instructed to close,
b1、b2To open instruction, priority orders are followed successively by a from high to low1、b1、a2、b2；The output of hard logic circuit is A2And B2,
Middle a1Directly output result is A1, a1Into non-output-a behind the door1,-a1Same b1Into with export B behind the door1, B1Into non-defeated behind the door
Go out-B1,-B1Same a2Into with export P1, the same A of P1 behind the door1A is exported after entering or door2, A1Into non-output-A behind the door1, a2Into
Non- output-a behind the door2,-A1With-a2Into with export P2, the same b of P2 behind the door2Into with export P3, the same B of P3 behind the door1After entering or door
Export B2。
Further include order back propagation unit, the output result for returning priority judgment module.The order back propagation unit
To connect a conducting wire of higher level equipment.
The quantity of the priority judgment module is 2, defeated after 2 priority judgment module selection highest priority instructions
Go out to logic gate or output and extremely or after logic gate exports to controlled plant.
Apparatus of the present invention advantage：Based on the preferred module of the present invention, preferred function may be implemented, and logical gate uses
Hard logic is built, and reliability is higher than traditional module built based on CPLD, FPGA or ARM, being capable of through safety certification mechanism
Certification.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is present system schematic diagram.
Fig. 2 is 2 hard logic electrical block diagram of the embodiment of the present invention.
Fig. 3 is 3 hard logic electrical block diagram of the embodiment of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Figure 1-Figure 3：A kind of preferred module for nuclear power plant's I&C system, including receiving device driving instruction
Priority judgment module exports after the priority judgment module selection highest priority instruction to controlled plant, the equipment
Driving instruction includes at least 2 groups of instructions, and every group of instruction is divided into pass instruction and opens instruction, and the priority of n-th group instruction is less than (n-1)th
The priority of group instruction, with the passs instruction priority in group higher than with the instruction of opening in group, the priority judgment module be by
Output with door or the hard logic circuit of door, NOT gate composition, the hard logic circuit is AnAnd Bn, AnAnd BnMeet following logic fortune
Calculate formula：
A1=a1；
B1=(- a1)&b1；
An=An-1+[(-B n-1)&an]；
Bn=Bn-1+[(-A n-1)&(-an)&bn]；
Wherein, AnInstruction, B are closed for the highest priority of outputnInstruction is opened for the highest priority of output ,+indicate or patrol
Volume ,-indicating NOT logic, & is indicated and logic, and n is more than or equal to 2, a1Indicate the pass instruction in the 1st group of instruction, b1Indicate that the 1st group refers to
Instruction, a are opened in ordernIndicate the pass instruction in n-th group instruction, bnIt indicates to open instruction in n-th group instruction.
Priority judgment module：For receiving multiple control commands, and according to prioritization logic to the order that receives into
Row processing, the highest order of output priority.
The output of following priority may be implemented in the hard logic circuit set up using above-mentioned logical operation formula：N-th group refers to
The priority of order is less than the priority of (n-1)th group of instruction, is higher than with the pass instruction priority in group and opens instruction in group.And it presses
The hard logic circuit set up according to above-mentioned logical operation formula closes completely by being formed with door or door, NOT gate meeting above-mentioned priority
While system requires, the use of CPLD, FPGA or ARM are avoided, the probability of failure of hard logic circuit is extremely low can to meet nuclear power
Reliability need.Based on the preferred module of the present invention, preferred function may be implemented, and logical gate is taken using hard logic
It builds, reliability is higher than traditional module built based on CPLD, FPGA or ARM, is capable of the certification of through safety certification mechanism.
The invention also includes an input unit, an output unit, priority judgment module is received by input unit
Device drives instruct, and priority judgment module passes through output unit output priority supreme command to controlled plant.Input unit
For receiving multiple equipment driving instruction, the instruction of these device drives may be from different equipment, in power plant, device drives
Instruction may include autocommand, manual command from master control room, the order from emergency control panel, back-up disk, from more
The order of sample sexual system and the control command on the spot in equipment etc..Prioritization logic processing unit is built using hard logic,
Function selects the order of highest priority to send according to pre-set priority in the multiple orders received from input unit
To output module.Output unit is used for the output drivings orders such as equipment such as valve, pump downstream.
As an improvement of the present invention, the switch of locking output can also be arranged in the present invention, for keeping output invalid.For
Maloperation is prevented, latch switch can be set.Latch switch can be arranged in master control room, can also be arranged in preferred module
On cabinet or board, can also latch switch be all set on master control room, cabinet and board simultaneously.
As an improvement of the present invention, the power supply of preferred module can be provided by outside, can also module it is included.
As an improvement of the present invention, preferred module output end can also have order feedback in addition to drive command exports
It is fed back with failure, order feedback is for superior feedback routine test as a result, failure feedback under normal operating condition for occurring
The feedback of failure.
As an improvement of the present invention, LED light can be set in preferred module, be used to indicate module work shape
State, working condition include power supply status, I/O channel state, blocking etc..
As an improvement of the present invention, redundancy structure, i.e. input unit and prioritization logic may be used in preferred module
Processing unit all use it is two or more, avoid causing module unavailable by single failure.
Every group of instruction is by entering priority judgment module after light-coupled isolation.
The device drives instruction is that the device drives of nuclear power plant's I&C system instruct, and device drives instruction includes nuclear power
The autocommand of factory's master control room, the order of emergency control panel, the order of back-up disk, the order of diversity systems, is set manual command
Standby upper control command on the spot.
Further include order back propagation unit, the output result for returning priority judgment module.
The quantity of the priority judgment module is 2, defeated after 2 priority judgment module selection highest priority instructions
Go out to logic gate or output and extremely or after logic gate exports to controlled plant.
As those skilled in the art, may be configured as, with organizing in instruction, closing instruction and opening the priority between instruction above
Depending on wiring condition, in the present embodiment, the priority for closing instruction is higher than the priority for opening instruction.
Embodiment 2
As shown in Fig. 2, the present embodiment gives a kind of concrete implementation mode on the basis of embodiment 1：According to implementation
The hard logic circuit that the logical operation formula that example 1 provides obtains is as follows：When n is 2, the device drives instruction includes the 1st group
Instruction and the 2nd group of instruction, the 1st group of instruction are divided into a1And b1, the 2nd group of instruction be divided into a2And b2, a1、a2It is instructed to close, b1、b2To open
Instruction, priority orders are followed successively by a from high to low1、b1、a2、b2；The output of hard logic circuit is A2And B2, wherein a1Directly
Output result is A1, a1Into non-output-a behind the door1,-a1Same b1Into with export B behind the door1, B1Into non-output-B behind the door1,-B1
Same a2Into with export P1, the same A of P1 behind the door1A is exported after entering or door2, A1Into non-output-A behind the door1, a2Into non-defeated behind the door
Go out-a2,-A1With-a2Into with export P2, the same b of P2 behind the door2Into with export P3, the same B of P3 behind the door1B is exported after entering or door2。
Preferred module receives the driving instruction of 2 equipment, is input to preferentially after carrying out light-coupled isolation to the instruction received
Grade judgment module, the highest instruction of output priority after the selection of priority judgment module, and energy superior feedback status information,
Routine test result and self diagnosis result etc..Priviledge module includes the priority judgment module of two redundancies, and priority judges mould
Block is the core of preferred board, and the signal of input, which is carried out priority division, finally makes corresponding output, logic true value
Table such as table 1.
1 prioritization logic unit truth table of table
Note：The corresponding output logic in " 1 ", " 0 ", " X " represents free position.Wherein priority is successively decreased by order 1-2, OFF signal
Priority is higher than ON signal.
In the present embodiment, the case where being two groups of instruction inputs, A when output2And B2, a when input1And b1、a2And b2, above-mentioned
Logic gates may be implemented priority orders and be followed successively by a from high to low1、b1、a2、b2Output.
Embodiment 3
As shown in figure 3, the case where being three groups of instruction inputs in the present embodiment, A when output3And B3, a when input1And b1、a2With
b2、a3And b3, the present embodiment only increases one group of input on the basis of embodiment 2, and principle is consistent with embodiment 2, circuit knot
Structure as shown, do not repeating, this logic gates may be implemented priority orders and be followed successively by a from high to low herein1、b1、a2、
b2、a3And b3Output.
Preferred module receives the driving instruction of three equipment, is input to preferentially after carrying out light-coupled isolation to the instruction received
Grade judgment module, the highest instruction of output priority after the selection of priority selecting module, and energy superior feedback status information,
Routine test result and self diagnosis result etc..Priviledge module includes the priority selecting module of two redundancies, and priority selects mould
Block is the core of preferred board, and the signal of input, which is carried out priority division, finally makes corresponding output, logic true value
Table such as table 2.
2 prioritization logic unit truth table of table
Note：The corresponding output logic in " 1 ", " 0 ", " X " represents free position.Wherein priority is successively decreased by order 1-6, OFF signal
Priority is higher than ON signal.
Preferred module is an important component of npp safety grade instrument control platform, is mainly used for driving ad hoc safety
The equipment such as facility and pump, the valve of related support system.Driving device (such as valve, main pump motor etc.) positioned at actuating station needs root
Corresponding function is executed according to the drive signal that system is sent out.
The drive signal of driving device can be provided by multiple systems, and the conflict between signal in order to prevent leads to driving device
There is exception in action, needs priority control module to judge signal, determines that driving device is executed according to correct signal
Action.It provides not only the control interface to driving equipment, is also carried out to the autocommand of different safety class, manual command
Priority processing, to complete the requirement of system function.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (6)
1. a kind of preferred module for nuclear power plant's I&C system, which is characterized in that including the preferential of receiving device driving instruction
Grade judgment module exports after the priority judgment module selection highest priority instruction to controlled plant, the device drives
Instruction includes at least 2 groups of instructions, and every group of instruction is divided into pass instruction and opens instruction, and the priority of n-th group instruction refers to less than (n-1)th group
The priority of order, the priority judgment module is by the hard logic circuit formed with door or door, NOT gate, the hard logic circuit
Output be AnAnd Bn, AnAnd BnMeet following logical operation formula：
A1=a1；
B1=(- a1)&b1；
An=An-1+[(-Bn-1)&an]；
Bn=Bn-1+[(-An-1)&(-an)&bn]；
Wherein, AnInstruction, B are closed for the highest priority of outputnInstruction is opened for the highest priority of output ,+expression or logic ,-table
Show NOT logic, & is indicated and logic, and n is more than or equal to 2, a1Indicate the pass instruction in the 1st group of instruction, b1It indicates in the 1st group of instruction
Open instruction, anIndicate the pass instruction in n-th group instruction, bnIt indicates to open instruction in n-th group instruction.
2. a kind of preferred module for nuclear power plant's I&C system according to claim 1, which is characterized in that every group described
Instruction is by entering priority judgment module after light-coupled isolation.
3. a kind of preferred module for nuclear power plant's I&C system according to claim 1, which is characterized in that the equipment
Driving instruction is that the device drives of nuclear power plant's I&C system instruct, and device drives instruction includes the automatic life of master-control room of nuclear power plant
Enable, the order of manual command, emergency control panel, the order of back-up disk, the order of diversity systems, the life of control on the spot in equipment
It enables.
4. a kind of preferred module for nuclear power plant's I&C system according to any one of claim 1-3, feature
It is, when n is 2, the device drives instruction includes the 1st group of instruction and the 2nd group of instruction, and the 1st group of instruction is divided into a1And b1, the 2nd
Group instruction is divided into a2And b2, a1、a2It is instructed to close, b1、b2To open instruction, priority orders are followed successively by a from high to low1、b1、a2、
b2；The output of hard logic circuit is A2And B2, wherein a1Directly output result is A1, a1Into non-output-a behind the door1,-a1Same b1Into
Enter and exports B behind the door1, B1Into non-output-B behind the door1,-B1Same a2Into with export P1, the same A of P1 behind the door1It is exported after entering or door
A2, A1Into non-output-A behind the door1, a2Into non-output-a behind the door2,-A1With-a2Into with export P2, the same b of P2 behind the door2Into with
P3, the same B of P3 are exported behind the door1B is exported after entering or door2。
5. a kind of preferred module for nuclear power plant's I&C system according to any one of claim 1-3, feature
It is, further includes order back propagation unit, the output result for returning priority judgment module.
6. a kind of preferred module for nuclear power plant's I&C system according to any one of claim 1-3, feature
It is, the quantity of the priority judgment module is 2, is exported after 2 priority judgment module selection highest priority instructions
It extremely or after logic gate is exported to logic gate or output to controlled plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843666.2A CN106249632B (en) | 2016-09-23 | 2016-09-23 | A kind of preferred module for nuclear power plant's I&C system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843666.2A CN106249632B (en) | 2016-09-23 | 2016-09-23 | A kind of preferred module for nuclear power plant's I&C system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106249632A CN106249632A (en) | 2016-12-21 |
| CN106249632B true CN106249632B (en) | 2018-10-30 |
Family
ID=57610784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610843666.2A Active CN106249632B (en) | 2016-09-23 | 2016-09-23 | A kind of preferred module for nuclear power plant's I&C system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106249632B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242271A (en) * | 2016-12-27 | 2018-07-03 | 中广核研究院有限公司 | A kind of reactor virtual protection control device and its corresponding protection system |
| CN108519891B (en) * | 2018-03-15 | 2021-01-19 | 中广核工程有限公司 | Nuclear power station equipment structure optimization device and processing method |
| CN108613161B (en) * | 2018-05-09 | 2020-04-21 | 中国船舶重工集团公司第七一九研究所 | Blowdown device for steam generator of marine nuclear power platform |
| CN110096012B (en) * | 2019-05-24 | 2022-02-18 | 中核控制系统工程有限公司 | Nuclear power equipment driving module with auxiliary detection function |
| CN110296255B (en) * | 2019-06-27 | 2020-11-10 | 中国船舶重工集团公司第七一九研究所 | Priority control device and control method suitable for fully-sealed electric valve |
| CN110347143B (en) * | 2019-08-07 | 2020-10-16 | 中国核动力研究设计院 | Nuclear safety level optimization module field drive output loop diagnosis system and method |
| CN110460542B (en) * | 2019-08-13 | 2022-01-14 | 中核控制系统工程有限公司 | Nuclear power plant DCS (distributed control System) cascading data exchange system and data exchange method thereof |
| CN111026053B (en) * | 2019-12-06 | 2021-03-23 | 华北电力科学研究院有限责任公司 | Modular program control method and device based on truth table |
| CN114035423A (en) * | 2021-11-04 | 2022-02-11 | 北京广利核系统工程有限公司 | Priority drive management system |
| CN115497654B (en) * | 2022-09-19 | 2023-09-12 | 中国核动力研究设计院 | Test method, device and system for ECP manual instruction of reactor protection system |
| CN117092956B (en) * | 2023-10-16 | 2024-01-09 | 成都秦川物联网科技股份有限公司 | Gas flowmeter valve control linkage control method, system and equipment based on Internet of things |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995844A (en) * | 2009-08-25 | 2011-03-30 | 北京广利核系统工程有限公司 | Relay module with priority control function |
| CN103165207A (en) * | 2011-12-13 | 2013-06-19 | 中广核工程有限公司 | Sequential control method and system suitable for nuclear power station |
| CN104409123A (en) * | 2014-11-15 | 2015-03-11 | 北京广利核系统工程有限公司 | Priority management system of nuclear power plant |
| CN104538072A (en) * | 2014-12-08 | 2015-04-22 | 中广核工程有限公司 | Multifunctional interface and control method of nuclear power station safety level DCS |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842669B2 (en) * | 2001-09-24 | 2005-01-11 | Westinghouse Electric Company Llc | Component interface module |
-
2016
- 2016-09-23 CN CN201610843666.2A patent/CN106249632B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995844A (en) * | 2009-08-25 | 2011-03-30 | 北京广利核系统工程有限公司 | Relay module with priority control function |
| CN103165207A (en) * | 2011-12-13 | 2013-06-19 | 中广核工程有限公司 | Sequential control method and system suitable for nuclear power station |
| CN104409123A (en) * | 2014-11-15 | 2015-03-11 | 北京广利核系统工程有限公司 | Priority management system of nuclear power plant |
| CN104538072A (en) * | 2014-12-08 | 2015-04-22 | 中广核工程有限公司 | Multifunctional interface and control method of nuclear power station safety level DCS |
Non-Patent Citations (1)
| Title |
|---|
| 核电厂优先级控制模块的研究与设计;冯威等;《科技视界》;20150625(第18期);第264-265页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106249632A (en) | 2016-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106249632B (en) | A kind of preferred module for nuclear power plant's I&C system | |
| CN108418196B (en) | Electric current transfevent fault current limiter control method suitable for flexible direct current power grid | |
| CN104054265A (en) | Fault - tolerant power semiconductor switching device control system | |
| CN109050539A (en) | A kind of gate coordinated control system | |
| CN106532962B (en) | Multiterminal flexible direct current converter station centralized control method, device and system | |
| CN104242261B (en) | It is a kind of to throw the control method moved back suitable for T connection electric transmission lines differential protection function | |
| CN102955903A (en) | Method for processing safety critical information of rail transit computer control system | |
| CN106254274B (en) | The method that the transmission of substation's interchanger GOOSE message reduces the end of a thread obstruction | |
| CN106444514A (en) | High-reliability dual-redundancy power controller based on logic frame interaction | |
| CN113911169A (en) | Computer interlocking system for quickly switching execution representation layer and switching method thereof | |
| Fort et al. | Availability modeling of a safe communication system for rolling stock applications | |
| CN107766241A (en) | A kind of server physical serial interface shared system and serial ports sharing method | |
| CN105162514B (en) | Optical fiber ring network communication system and method | |
| CN105681131A (en) | Main-backup system and parallel outputting method thereof | |
| WO2021031597A1 (en) | Train door logic intelligent control system employing intelligent control unit | |
| CN103204169A (en) | Control system of subway platform shielded gate | |
| CN101682555A (en) | The fast ring redundancy of network | |
| CN110286634A (en) | A kind of lock-in control preferred module for nuclear power plant's I&C system | |
| CN110239575A (en) | Multiply two logic control implementations and the systems for taking two based on two | |
| CN110512984A (en) | A kind of intelligent car door redundancy control system and method based on redundancy | |
| CN206557562U (en) | A kind of on off state logic judgment equipment | |
| CN206894349U (en) | Generator auto-start control circuit and power distribution equipment | |
| CN109116837A (en) | Diagnostic message acquisition device, compartment, train diagnostic system and train | |
| CN101769106A (en) | Control system of underground safety door system and method thereof | |
| CN110096012B (en) | Nuclear power equipment driving module with auxiliary detection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201217 Address after: No.3, Hongda South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: CHINA NUCLEAR CONTROL SYSTEM ENGINEERING Co.,Ltd. Address before: 610000, No. three, 28 south section of Ring Road, Chengdu, Sichuan Patentee before: NUCLEAR POWER INSTITUTE OF CHINA |
|
| TR01 | Transfer of patent right |