CN106227098A - Protective relaying device and security isolation control method thereof and control device - Google Patents
Protective relaying device and security isolation control method thereof and control device Download PDFInfo
- Publication number
- CN106227098A CN106227098A CN201610727466.0A CN201610727466A CN106227098A CN 106227098 A CN106227098 A CN 106227098A CN 201610727466 A CN201610727466 A CN 201610727466A CN 106227098 A CN106227098 A CN 106227098A
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- Prior art keywords
- light mouth
- security isolation
- die block
- isolation
- mouth die
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- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention relates to protective relaying device and security isolation control method thereof and control device; this protective relaying device includes that security isolation controls device; this security isolation controls device and control method is all suitable for intelligent substation; control device is configured with light mouth transmitting-receiving security isolation module; when carrying out security isolation; send control instruction out of service to corresponding light mouth die block, control corresponding light mouth die block out of service, it is achieved the security isolation of protective relaying device.When this control device can reduce isolation protective relaying device light mouth when security isolation, the number of times of plug optical fiber, reduces the risk to protective relaying device maloperation, improves device light mouth and the service life of optical fiber and the transmitting of the information of guarantee.
Description
Technical field
The present invention relates to protective relaying device and security isolation control method thereof and control device, belonging to Power System Intelligent
Substation relay protection technical field.
Background technology
Intelligent substation is the important component part of strong intelligent grid, and in standing, protective relaying device connects sending and receiving in information
Sending and also exist bigger different from tradition transformer station in processing mode, reliability when being isolated from the outside it proposes more
High requirement.Compared with tradition transformer station, relay protection device of intelligent substation relies primarily on the light mouth of self and receives and sends messages, with
The form of optical signal carries out information transmission, and instead of most hard pressing plate with soft pressing plate, so that device isolation method
There occurs great change.
Mainly replace traditional cable conductor to receive with optical fiber due to relay protection device of intelligent substation and send required
The information wanted, say, that be provided with several transmitting-receiving light mouth die blocks, external device profit in relay protection device of intelligent substation
It is connected with the transmitting-receiving light mouth die block on protective relaying device with optical fiber, it is achieved be connected with external device communication by optical fiber.Pass through
The writing function that device self has carries out the inquiry of information, and at device unlike traditional relay protection when being isolated from the outside
Cut-off point it is evident that, to operator when therefore relay protection device of intelligent substation is isolated from the outside at binding post
Level professional technology have higher requirement.During relay protection device of intelligent substation maintenance at present, security isolation measure is multiple
Miscellaneous, scene is usually taked to pull out optical fiber solutions and device is carried out isolation physically.These characteristics and isolation method, the most significantly
Add workload and the working strength of operator, increase the risk of maloperation；On the other hand the plug repeatedly of optical fiber, contracting
Short device light mouth and the service life of optical fiber, reduce the reliability of information transmission, thus have impact on protective relaying device
Safe operation.
Summary of the invention
It is an object of the invention to provide a kind of relay protection device of intelligent substation security isolation control method, in order to solve
The mode pulling out optical fiber is used to realize the problem that physical isolation can reduce the service life of light mouth and optical fiber.Present invention simultaneously provides
A kind of relay protection device of intelligent substation security isolation controls device and a kind of protective relaying device.
For achieving the above object, the solution of the present invention includes a kind of protective relaying device security isolation control method, when having
When light mouth die block needs to carry out security isolation, send control instruction out of service to described smooth mouth die block, control described smooth mouth die
Block is out of service, it is achieved the security isolation of protective relaying device.
Described security isolation control method also includes: when the light mouth die block after isolation needs to resume operation, after isolation
Light mouth die block send and resume operation control instruction, control the light mouth die block after described isolation and resume operation.
A kind of protective relaying device security isolation controls device, is configured with light mouth transmitting-receiving security isolation in described control device
Module, described light mouth transmitting-receiving security isolation module is used for: when there being light mouth die block to need to carry out security isolation, to described smooth mouth die
Block sends control instruction out of service, controls described smooth mouth die block out of service, it is achieved the security isolation of protective relaying device.
Described light mouth transmitting-receiving security isolation module be additionally operable to: when isolation after light mouth die block need to resume operation time, to every
Light mouth die block after from sends control instruction of resuming operation, and controls the light mouth die block after described isolation and resumes operation.
Storing described light mouth transmitting-receiving security isolation module in FLASH memory in described control device, described control fills
Control unit in putting calls described light mouth transmitting-receiving security isolation module.
Described control device also includes that touch screen, described touch screen are connected with described control unit.
A kind of protective relaying device, controls device including security isolation, and described security isolation controls to be configured with light in device
Mouth transmitting-receiving security isolation module, described light mouth transmitting-receiving security isolation module is used for: need to carry out security isolation when there being light mouth die block
Time, send control instruction out of service to described smooth mouth die block, control described smooth mouth die block out of service, it is achieved relay protection fills
The security isolation put.
Described light mouth transmitting-receiving security isolation module be additionally operable to: when isolation after light mouth die block need to resume operation time, to every
Light mouth die block after from sends control instruction of resuming operation, and controls the light mouth die block after described isolation and resumes operation.
Storing described light mouth transmitting-receiving security isolation module in FLASH memory in described control device, described control fills
Control unit in putting calls described light mouth transmitting-receiving security isolation module.
Described control device also includes that touch screen, described touch screen are connected with described control unit.
The protective relaying device security isolation control mode that the present invention provides is be applicable to intelligent substation, by intelligence
It is previously implanted light mouth transmitting-receiving security isolation module inside substation relay protection device, in intelligent substation debugging, overhauls and transport
When row needs protective relaying device to carry out security isolation in safeguarding, call and perform this light mouth transmitting-receiving security isolation module, then
Send control instruction out of service to corresponding light mouth die block, control corresponding light mouth die block out of service, it is achieved relay protection
The security isolation of device, this control mode belongs to the electrical isolation carried out by control signal, inserts compared to traditional physics
Pull out the mode of isolation, on the one hand decrease the number of times that light mouth die block optical fiber is plugged by operator, improve protective relaying device
Light mouth die block and the service life of optical fiber；On the other hand all enter to scene when needing security isolation every time without staff
Row physics plug optical fiber, reduces the workload of operator and the risk of maloperation, it is ensured that the reliability of information transmission, has
It is beneficial to the safe operation of whole station relay protection.
Accompanying drawing explanation
Fig. 1 is the structural representation that protective relaying device security isolation controls device；
Fig. 2 protective relaying device back connection schematic diagram；
Fig. 3 is display and guidance panel light mouth option schematic diagram；
Fig. 4 is protective relaying device light mouth die block security isolation control flow chart；
Fig. 5 is that protective relaying device light mouth die block resumes operation control flow chart.
Detailed description of the invention
The present invention will be further described in detail below in conjunction with the accompanying drawings.
In the present invention, relay protection device of intelligent substation is provided with security isolation and controls device, this security isolation control
Device processed realizes the effect of the security isolation to protective relaying device.And for other ingredients in protective relaying device,
Belong to prior art, the most no longer describe in detail.
Routine techniques is also belonged to for the light mouth die block in protective relaying device, is the most simply introduced.
Under normal circumstances, the light mouth die block of protective relaying device is divided into two big classes, and a class is to receive light mouth die block, is used for connecing
Receiving extraneous data message, another kind of is to send light mouth die block, for outwardly starting data message.Further, light is received by 1
Mouth die block and 1 transmission light mouth die block composition 1, to light mouth die block, in the present embodiment, are referred to as 1 by the 1 of composition to light mouth die block
To transmitting-receiving light mouth die block, so, this protective relaying device include some to transmitting-receiving light mouth die block.
It is exactly to realize the light mouth die block in protective relaying device that the security isolation that the present invention provides controls the effect of device
Out of service and resume operation.It is out of service that the security isolation of protective relaying device represents corresponding light mouth die block.Entering
When row light mouth die block controls, the elementary cell of control is 1 to transmitting-receiving light mouth die block, i.e. control out of service or resume operation
Time, control signal can control simultaneously 1 to two light mouth die blocks in transmitting-receiving light mouth die block the most out of service or peace
Row for the national games.
As it is shown in figure 1, security isolation controls device includes FLASH memory and control unit, in the present embodiment, control
Unit is CPU.CPU is connected by data transmission link with FLASH memory, CPU and all of light in protective relaying device
Mouth die block is connected by data transmission link.This FLASH memory has been previously implanted light mouth transmitting-receiving security isolation module, this light
Mouth transmitting-receiving security isolation module is software module, and i.e. this light mouth transmitting-receiving security isolation module is substantially software program, and CPU passes through
Perform this software program to realize its function.The effect of this light mouth transmitting-receiving security isolation module is the light mouth to protective relaying device
Module sends out of service or control instruction of resuming operation, say, that the effect of this light mouth transmitting-receiving security isolation module is
CPU can make CPU send out of service or extensive according to actual operational order to light mouth die block when calling this isolation module
The multiple control instruction run.
In the present embodiment, this security isolation controls device and also includes touch screen, i.e. display and guidance panel, this display and
Guidance panel is connected with CPU.
CPU receives and dispatches security isolation module by the light mouth calling in FLASH memory after receiving peripheral operation instruction
Corresponding instruction is sent to transmitting-receiving light mouth die block.Owing to, in the present embodiment, controlling device and including display and guidance panel, so,
Out of service or operation of resuming operation to the light mouth die block of protective relaying device can be by the merit in this display and guidance panel
Can realize by menu option.
Light mouth transmitting-receiving security isolation module can the light mouth die block of security isolation be exactly the light mouth at the protective relaying device back side
Module, and if the protective relaying device back side possess with transmitting-receiving light mouth die block run indicator one to one time, i.e. every pair
The corresponding run indicator of transmitting-receiving light mouth die block.When protective relaying device being carried out security isolation operation, at needs to receipts
Light outlets module carry out security isolation or resume operation control time, can by control simultaneously correspondence run indicator state come
Whether display directly perceived corresponding transmitting-receiving light mouth die block runs, as shown in Figure 2.Particularly as follows: to needing to carry out the light mouth of outside isolation
When module sends the instruction stopping reception and the information of transmission, control to extinguish corresponding run indicator simultaneously；Need isolating
Light mouth die block when resuming operation, then send the instruction resumed operation to the light mouth die block isolated, control to light correspondence simultaneously
Run indicator.Such as: when needs carry out outside isolation to the 2nd to transmitting-receiving light mouth die block, to this transmitting-receiving light mouth die block
When sending the instruction stopping reception and the information of transmission, control to extinguish the 2nd run indicator simultaneously；When the 2nd to transmitting-receiving light mouth die
When block needs to resume operation, then to the 2nd, transmitting-receiving light mouth die block is sent the instruction resumed operation, control to light the 2nd fortune simultaneously
Row display lamp.
As it is shown on figure 3, display is with in the function menu light mouth option on guidance panel in protective relaying device, there is peace
" light mouth resumes operation " that " light mouth security isolation " option of full isolation transmitting-receiving light mouth die block and recovery transmitting-receiving light mouth die block run
Option.
If desired the i-th pair transmitting-receiving light mouth die block of protective relaying device is carried out security isolation, " light mouth the most in figure 3
Security isolation " option selects " security isolation i-th pair receives light outlets ", the operational order received is given to by display and guidance panel
CPU, CPU call the light mouth transmitting-receiving security isolation module in FLASH memory, by this light mouth transmitting-receiving security isolation module to the
I sends instruction out of service to transmitting-receiving light mouth die block, controls to extinguish the i-th fortune that i-th pair transmitting-receiving light mouth die block is corresponding simultaneously
Row display lamp, i-th pair transmitting-receiving light mouth die block is out of service, and the out of service and fortune to CPU transmission i-th pair transmitting-receiving light mouth die block
The feedback information that row display lamp extinguishes, then CPU is to display and guidance panel transmission " i-th pair receives light outlets security isolation "
Result, and eject result prompting frame, determine for operator, as shown in Figure 1.Above-mentioned message transmitting procedure and security isolation
Flow process is as shown in Figure 4.
If the i-th pair transmitting-receiving light mouth die block in protective relaying device needs to resume operation, " light mouth recovery the most in figure 3
Run " option selects " recover i-th pair receive light outlets run ", the operational order received is given to CPU by display and guidance panel,
CPU calls the light mouth transmitting-receiving security isolation module in FLASH memory, by this light mouth transmitting-receiving security isolation module to i-th pair
Transmitting-receiving light mouth die block sends the instruction resumed operation, and the i-th simultaneously lighting i-th pair transmitting-receiving light mouth die block corresponding runs instruction
Lamp；I-th pair transmitting-receiving light mouth die block resumes operation, and resumes operation to CPU transmission i-th pair transmitting-receiving light mouth die block and run instruction
The feedback information that lamp is lighted, then CPU is to display and the knot of guidance panel transmission " i-th pair receipts light outlets has been resumed operation "
Really, and eject result prompting frame, determine for operator, as shown in Figure 1.Above-mentioned message transmitting procedure and security isolation flow process
As shown in Figure 5.
In above-described embodiment, light mouth transmitting-receiving security isolation module not only can realize the security isolation of light mouth die block and control merit
Can, additionally it is possible to realize light mouth die block and resume operation control function, this is determined by the software program that this security isolation module is corresponding, but
It is, owing to the inventive point of the present invention is that utilizing light mouth to receive and dispatch security isolation module realizes the security isolation of light mouth die block, so,
As other embodiment, light mouth transmitting-receiving security isolation module can also only have the security isolation function of light mouth die block, i.e. light
Mouth is received and dispatched software program corresponding to security isolation module and is only had the security isolation function of light mouth die block, and CPU is calling this light mouth receipts
It is merely able to realize the security isolation of light mouth die block when sending out security isolation module, light mouth die block is not resumed operation and do limited wanting
Ask, or utilize other existing modes to realize resuming operation of light mouth die block.
In above-described embodiment, FLASH memory is planted light inlet transmitting-receiving security isolation module, CPU and this FLASH memory
Connect, call and perform this security isolation module, as other embodiment, if CPU inherently possesses certain storage energy
If power, this light mouth transmitting-receiving security isolation module can be implanted directly in this CPU, it is not necessary to implants FLASH memory, so exists
When security isolation controls, CPU can directly invoke and perform this security isolation module.
In above-described embodiment, security isolation controls to be additionally provided with touch screen in device, i.e. display and guidance panel, and utilizing should
Panel is capable of showing the state of light mouth die block and the control instruction of input security isolation in real time, and this is the reality of a kind of optimization
Executing mode, as other embodiment, when need not show light mouth die block, this touch screen can also be without arranging, and
Directly to controlling device input control instruction；Or the combination utilizing input keyboard and display realize the input of control instruction with
And the real-time display of state.
In above-described embodiment, the control object of security isolation is a pair transmitting-receiving light mouth die block, a same time control of control signal
Making one and receive light mouth die block and a transmission light mouth die block, this kind of embodiment, the inventive point of the present invention is peace
The control method of full isolation and control device, and control object is not done to definitive requirement, so, as other enforcement
Example, control signal can also control simultaneously more to or more smooth mouth die block, or a control signal is only used for
Control a light mouth die block.
It is presented above specific embodiment, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, for those of ordinary skill in the art, according to the teachings of the present invention, designs various change
The model of shape, formula, parameter are not required to spend creative work.The most right
Change that embodiment is carried out, revise, replace and modification still falls within protection scope of the present invention.
Claims (10)
1. a protective relaying device security isolation control method, it is characterised in that when have light mouth die block need carry out safety every
From time, to described smooth mouth die block send control instruction out of service, control described smooth mouth die block out of service, it is achieved relay protection
The security isolation of device.
Protective relaying device security isolation control method the most according to claim 1, it is characterised in that described security isolation
Control method also includes: when the light mouth die block after isolation needs to resume operation, and the light mouth die block after isolation sends and recovers fortune
Row control instruction, controls the light mouth die block after described isolation and resumes operation.
3. a protective relaying device security isolation controls device, it is characterised in that is configured with light mouth in described control device and receives
Sending out security isolation module, described light mouth transmitting-receiving security isolation module is used for: when there being light mouth die block to need to carry out security isolation, to
Described smooth mouth die block sends control instruction out of service, controls described smooth mouth die block out of service, it is achieved protective relaying device
Security isolation.
Protective relaying device security isolation the most according to claim 3 controls device, it is characterised in that described light mouth is received and dispatched
Security isolation module is additionally operable to: when the light mouth die block after isolation needs to resume operation, the light mouth die block after isolation sends extensive
Run control instruction again, control the light mouth die block after described isolation and resume operation.
Protective relaying device security isolation the most according to claim 3 controls device, it is characterised in that described control device
In FLASH memory in store described light mouth transmitting-receiving security isolation module, the control unit in described control device calls institute
State light mouth transmitting-receiving security isolation module.
Protective relaying device security isolation the most according to claim 5 controls device, it is characterised in that described control device
Also include that touch screen, described touch screen are connected with described control unit.
7. a protective relaying device, it is characterised in that including that security isolation controls device, described security isolation controls in device
Being configured with light mouth transmitting-receiving security isolation module, described light mouth transmitting-receiving security isolation module is used for: carry out when there being light mouth die block to need
During security isolation, send control instruction out of service to described smooth mouth die block, control described smooth mouth die block out of service, it is achieved continue
The security isolation of electrical protective device.
Protective relaying device the most according to claim 7, it is characterised in that described light mouth transmitting-receiving security isolation module is also used
In: when needing to resume operation when the light mouth die block after isolation, the light mouth die block after isolation sends control instruction of resuming operation, control
Make the light mouth die block after described isolation to resume operation.
Protective relaying device the most according to claim 7, it is characterised in that the FLASH memory in described control device
Middle storage described light mouth transmitting-receiving security isolation module, the control unit in described control device call described light mouth transmitting-receiving safety every
From module.
Protective relaying device the most according to claim 9, it is characterised in that described control device also includes touch screen, institute
State touch screen to be connected with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727466.0A CN106227098A (en) | 2016-08-25 | 2016-08-25 | Protective relaying device and security isolation control method thereof and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727466.0A CN106227098A (en) | 2016-08-25 | 2016-08-25 | Protective relaying device and security isolation control method thereof and control device |
Publications (1)
| Publication Number | Publication Date |
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| CN106227098A true CN106227098A (en) | 2016-12-14 |
Family
ID=57555372
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610727466.0A Pending CN106227098A (en) | 2016-08-25 | 2016-08-25 | Protective relaying device and security isolation control method thereof and control device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595764A (en) * | 2004-06-22 | 2005-03-16 | 北京四方继保自动化股份有限公司 | Swap-free optical fiber multiplexing apparatus for relaying protection |
| CN2759065Y (en) * | 2004-12-02 | 2006-02-15 | 华为技术有限公司 | Single board with optical fiber interface |
| CN101340240A (en) * | 2008-08-26 | 2009-01-07 | 中兴通讯股份有限公司 | Method and system for remote controlling status of optical module in optical network |
| CN101387877A (en) * | 2008-07-28 | 2009-03-18 | 中兴通讯股份有限公司 | Optical fibre auto switching device and method thereof |
| CN102723988A (en) * | 2012-06-12 | 2012-10-10 | 迈普通信技术股份有限公司 | Control method and communication device of optical module |
| CN103532541A (en) * | 2013-09-30 | 2014-01-22 | 上海斐讯数据通信技术有限公司 | Light module power supply control method and system |
| CN105337661A (en) * | 2015-10-14 | 2016-02-17 | 上海斐讯数据通信技术有限公司 | Optical communication energy-saving control method and optical communication device |
| CN105469593A (en) * | 2015-11-27 | 2016-04-06 | 国家电网公司 | Intelligent substation optical fiber interface online data mapping transmission method |
-
2016
- 2016-08-25 CN CN201610727466.0A patent/CN106227098A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595764A (en) * | 2004-06-22 | 2005-03-16 | 北京四方继保自动化股份有限公司 | Swap-free optical fiber multiplexing apparatus for relaying protection |
| CN2759065Y (en) * | 2004-12-02 | 2006-02-15 | 华为技术有限公司 | Single board with optical fiber interface |
| CN101387877A (en) * | 2008-07-28 | 2009-03-18 | 中兴通讯股份有限公司 | Optical fibre auto switching device and method thereof |
| CN101340240A (en) * | 2008-08-26 | 2009-01-07 | 中兴通讯股份有限公司 | Method and system for remote controlling status of optical module in optical network |
| CN102723988A (en) * | 2012-06-12 | 2012-10-10 | 迈普通信技术股份有限公司 | Control method and communication device of optical module |
| CN103532541A (en) * | 2013-09-30 | 2014-01-22 | 上海斐讯数据通信技术有限公司 | Light module power supply control method and system |
| CN105337661A (en) * | 2015-10-14 | 2016-02-17 | 上海斐讯数据通信技术有限公司 | Optical communication energy-saving control method and optical communication device |
| CN105469593A (en) * | 2015-11-27 | 2016-04-06 | 国家电网公司 | Intelligent substation optical fiber interface online data mapping transmission method |
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