CN206863544U - A kind of distributed micro-grid control system based on triple modular redundant framework - Google Patents
A kind of distributed micro-grid control system based on triple modular redundant framework Download PDFInfo
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- CN206863544U CN206863544U CN201720766247.3U CN201720766247U CN206863544U CN 206863544 U CN206863544 U CN 206863544U CN 201720766247 U CN201720766247 U CN 201720766247U CN 206863544 U CN206863544 U CN 206863544U
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Abstract
The utility model discloses a kind of distributed micro-grid control system based on triple modular redundant framework, including engineer station, operator station, at least one control system unit, engineer station, operator station are by controlling network to be connected with each control system unit；Each control system unit includes controller unit and multiple IO modules units；Controller unit is connected by IO communication networks with each IO modules unit, and each IO modules unit is connected with corresponding spot sensor, execution equipment respectively；Wherein, controller unit includes three independent controllers；Each IO modules unit includes three independent IO modules；Each controller in controller unit is communicated respectively by IO communication networks and three IO modules in each IO modules unit.Distributed micro-grid Control system architecture of the utility model based on triple modular redundant framework is simple, can effectively improve the stability and reliability of existing microgrid control system.
Description
Technical field
A kind of distributed micro-grid control system based on triple modular redundant framework is the utility model is related to, especially suitable for micro-capacitance sensor
Control, the reliabilty and availability of whole system can be effectively improved.
Background technology
Microgrid control system is mainly controller dual redundant framework at present, and the damage of any one equipment can cause system to be patrolled
Collect and judge exception, cause equipment tripping or malfunction, bring great challenge, particularly reliability will to micro-capacitance sensor stable operation
High occasion is sought, if desired for the occasion of steady load control, tripping once occurs in system, and not only the owner to micro-capacitance sensor brings
Economic loss, while destabilizing factor is brought to whole power network, while if scene often occurs due to caused by equipment fault
Malfunction, it can be brought greater inconvenience to the normal production of micro-capacitance sensor.
Therefore a kind of system is needed to can solve the problem that the reliable sex chromosome mosaicism of micro-capacitance sensor, while and can enough reduces equipment malfunction
Micro grid control system.
The content of the invention
The purpose of this utility model is to solve defect present in prior art, there is provided one kind can improve existing
Microgrid reliability control system while and can enough effectively improve the microgrid control system of availability, are greatly improved the steady of system
Qualitative and reliability.
In order to achieve the above object, the utility model provides a kind of distributed micro-grid control system based on triple modular redundant framework
System, including engineer station, operator station, at least one control system unit, engineer station, operator station by control network with
Each control system unit is connected；Each control system unit includes controller unit and multiple IO modules units；Controller unit
Be connected by IO communication networks with each IO modules unit, each IO modules unit respectively with corresponding spot sensor, perform equipment
It is connected；Wherein, controller unit includes three independent controllers；Each IO modules unit includes three independent IO modules；
Each controller in controller unit is communicated respectively by IO communication networks IO modules corresponding with each IO modules unit.
Synchronization module is equipped with each controller of controller unit；Synchronization module includes four communicating circuits, a table
Certainly circuit；In each controller MCU input with each IO modules unit to should controller IO modules output end phase
Even, MCU three tunnels of signal output part point transmission, is connected, another two tunnel passes through two respectively with the input end communication of voting circuit all the way
Individual communicating circuit is connected with another two controller communications of the controller unit, and output signal is transported for the I/O signal or logic of collection
Calculate result；The input of voting circuit connects another two independent controls respectively by another two communicating circuits simultaneously in each controller
Device processed, the output end of voting circuit are connected by MCU with the input of corresponding IO modules.
Each IO modules unit also includes output control voting module；Three IO modules of each IO modules unit pass through output
Control voting module is connected with corresponding execution equipment.
The utility model has advantages below compared with prior art：
1st, each controller unit of the utility model includes three independent controllers, and each of which passes through IO communication networks
Network corresponds communication respectively with being connected three independent IO modules in IO module units, forms triple redundance controller and IO modules
Communicate branch, three branched form combination 3-2-1 of redundancy degraded mode operation（I.e. when there is branch's failure, degrade
For dual redundant pattern；When You Liangge branches failure, unit operation pattern is downgraded to）, will not because of individual equipment failure and
Cause the malfunction or tripping of system, can effectively ensure that the fault-tolerance and availability of system operation.
2nd, increase synchronization module in the controller, the synchronization of device unit is controlled to the I/O signal of reception, by each control
After device carries out logical operation respectively, then the synchronization being controlled to the logic operation result of I/O signal in device unit, synchronous fortune
Calculate result to export respectively to corresponding IO modules, decide by vote module by the output control in IO module units synchronizes again
Afterwards, export to the scene of outside and perform equipment, ensure that the independence of each controller and IO module, while further enhancing and be
System reliability of operation.
3 at the same each I O point be acquired by three IO modules, the failure of any one IO module or bus will not
Cause the system failure, improve the reliability of system.
Communication and voting between 4 and controller unit are automatically performed by hardware, are participated in, are greatly reduced without software
Controller handles load, improves the operational efficiency of system.
5th, distributed micro-grid Control system architecture of the utility model based on triple modular redundant framework is simple, can effectively improve existing
Microgrid control system stability and reliability.
Brief description of the drawings
Fig. 1 is the structural scheme of mechanism of the utility model distributed micro-grid control system；
Fig. 2 is the circuit theory diagrams of controller C1 in Fig. 1；
Fig. 3 is the circuit theory diagrams of IO module units in Fig. 1；
Fig. 4 is the workflow diagram of the utility model distributed micro-grid control system.
In figure, 1- engineer stations, 2- operator stations, 3- control networks, 4- controller units, 5-IO communication networks, 6-IO
Module unit, 7- spot sensors, 8- perform equipment.
Embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, distributed micro-grid control system of the utility model based on triple modular redundant framework includes：Engineer station 1,
Operator station 2 and 1 and the control system unit of the above, engineer station 1, operator station 2 are by controlling network 3 and control system
Unit connects；Control system unit as shown in FIG., including controller unit 4, IO communication networks 5 and multiple IO modules units 6,
Controller unit 4 is contacted by IO communication networks 5 and IO modules unit 6, IO modules unit 6 therein and spot sensor 7,
Equipment 8 is performed to connect.
The communications protocol of controller unit and IO module units uses sequence number, time tag, CRC verification mode.Follow
Ring redundancy check English full name Cyclic Redundancy Check, referred to as CRC.
Wherein, controller unit 4 is by three independent controller C1, C2, C3 composition control device groups, each controller bag
Synchronization module is included, as shown in Fig. 2 the synchronization module includes four communicating circuits, a voting circuit.IO modules unit 6 be by
Three independent IO modules M1, M2, M3 composition IO modules groups and an output control voting module, as shown in Figure 3.
Three independent controller C1, C2, C3 in controller unit are each via IO communication networks with being connected IO modules
Three independent IO modules M1, M2, M3 correspond communication respectively in unit, form triple redundance controller and the communication point of IO modules
Branch；That is three branches of redundancy, according to failure situation, run by 3-2-1 degraded mode；Wherein, when there is branch's failure
When, it is downgraded to two redundant modes；When there are two branch's failures, unit operation pattern is downgraded to.
With reference to Fig. 2, by taking controller C1 as an example, MCU therein input signal connects the IO collections of IO modules for controller
Signal, output signal are I/O signal or operation result, the transmission of three tunnels of output end point, communicate connect with voting circuit all the way, another two
Road is connected by two communicating circuits and the communication of another two independent controls of control unit respectively；The input of voting circuit connects
MCU and another two independent controls are met, input signal is each controller I/O signal or operation result, and voting circuit is only with another two
Vertical controller is connected by communicating circuit, and voting circuit output end is connected with MCU, and output valve takes 2 voting results for 3；MCU is by table
Certainly result output gives the IO modules M1 of the corresponding connections of controller C1.By this structure, controller is in data syn-chronization and voting
Realized using pure hardware circuit, voting process is automatically performed, and processor directly reads voting result.
As shown in figure 3, three independent IO modules collection signal input parts in IO module units connect same sensor
7, input identical transducing signal；Control signal output connects output control voting module simultaneously；Output control decides by vote module
Output end performs the control of equipment 8 with scene and connected, and the output valve of output control voting module takes 2 votings for 3.
A kind of distributed micro-grid control system based on triple modular redundant framework, specific workflow used by the utility model
It is as follows：
Step 1）IO modules M1, M2, M3 distinguish the data of collection site sensor 7 in every group of IO modules unit 6（Including existing
The signals such as field voltage, electric current）.
Step 2）IO module M1, M2, M3 modules are respectively led to the on-site signal of collection by IO in every group of IO modules unit 6
News network 7 sends corresponding controller C1, C2, C3 in controller unit 4 to.
Step 3）It is synchronous per I/O data is carried out between controller C1, C2, C3 in group controller unit 4, and carry out 3 and take 2
Voting.
Step 4）Controller C1, C2, C3 participate in logic fortune using the I/O data after voting respectively in per group controller unit 4
Calculate.
Step 5）It is synchronous per logic operation result is carried out between controller C1, C2, C3 in group controller unit 4, go forward side by side
Row 3 takes 2 votings.
Step 6）Result is issued by IO communication networks 5 respectively per controller C1, C2, C3 in group controller unit 4
Corresponding IO modules M1, M2, M3 in IO modules unit 6.
Step 7）IO modules M1, M2, M3 in every group of IO modules unit 6 carry out 3 by output control voting module and take 2 tables
Certainly, the scene of issuing performs equipment 8 and carries out signal output.
Above-mentioned steps are run according to failure situation by 3-2-1 degraded mode；Wherein, when there is branch's failure, drop
Level is two redundant modes；When there are two branch's failures, unit operation pattern is downgraded to.
Claims (3)
1. a kind of distributed micro-grid control system based on triple modular redundant framework, including engineer station, operator station, at least one control
System unit processed, engineer station, operator station are by controlling network to be connected with each control system unit；Each control system unit is equal
Including controller unit and multiple IO modules units；Controller unit is connected by IO communication networks with each IO modules unit, respectively
IO modules unit is connected with corresponding spot sensor, execution equipment respectively；It is characterized in that：The controller unit includes three
Individual independent controller；Each IO modules unit includes three independent IO modules；Each controller in controller unit passes through
IO communication networks IO modules corresponding with each IO modules unit communicate respectively.
2. distributed micro-grid control system according to claim 1, it is characterised in that：Each control of the controller unit
Synchronization module is equipped with device；The synchronization module includes four communicating circuits, a voting circuit；MCU in each controller
Input with each IO modules unit to should the output end of IO modules of controller be connected, MCU signal output part point three
Road is transmitted, and is connected all the way with the input end communication of the voting circuit, another two tunnel passes through two communicating circuits and the control respectively
Another two controller communications connection of device unit, output signal are the I/O signal or logic operation result of collection；Each controller
The input of middle voting circuit connects another two independent controls respectively by another two communicating circuits simultaneously, voting circuit it is defeated
Go out end by MCU with the input of corresponding IO modules to be connected.
3. distributed micro-grid control system according to claim 2, it is characterised in that：Each IO modules unit also includes output
Control voting module；Three IO modules of each IO modules unit are decided by vote module by the output control and set with corresponding execution
It is standby to be connected.
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| CN201720766247.3U CN206863544U (en) | 2017-06-28 | 2017-06-28 | A kind of distributed micro-grid control system based on triple modular redundant framework |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245303A (en) * | 2018-09-30 | 2019-01-18 | 天合光能股份有限公司 | A kind of modified distributed micro-grid hierarchical control method and system |
| CN110045698A (en) * | 2019-04-11 | 2019-07-23 | 重庆川仪控制系统有限公司 | A kind of controller based on DCS control system |
-
2017
- 2017-06-28 CN CN201720766247.3U patent/CN206863544U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245303A (en) * | 2018-09-30 | 2019-01-18 | 天合光能股份有限公司 | A kind of modified distributed micro-grid hierarchical control method and system |
| CN110045698A (en) * | 2019-04-11 | 2019-07-23 | 重庆川仪控制系统有限公司 | A kind of controller based on DCS control system |
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Address after: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee after: Nanjing Keyuan Intelligent Technology Group Co.,Ltd. Address before: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee before: NANJING SCIYON AUTOMATION GROUP Co.,Ltd. |