CN105871466A - Wide-area stable communication devices and method having intelligent identification function - Google Patents
Wide-area stable communication devices and method having intelligent identification function Download PDFInfo
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- CN105871466A CN105871466A CN201610353985.5A CN201610353985A CN105871466A CN 105871466 A CN105871466 A CN 105871466A CN 201610353985 A CN201610353985 A CN 201610353985A CN 105871466 A CN105871466 A CN 105871466A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
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- Electromagnetism (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
The invention provides wide-area stable communication devices and method having an intelligent identification function. Special communication devices are deployed at plant station ends of a power system, unified access of wide-area stable control terminal equipment such as wide-area PMUs (phasor measurement units), stable control devices and the like is realized, and real-time reliable communication between the special communication devices and a stable control central station is realized through a special optical fiber network. Besides, the special communication devices can realize functions of real-time automatic finding and identification of the on-line or off-line state of the wide-area stable control terminal equipment and transmit information after identification to the wide-area stable control central station in real time. With the adoption of the devices and the method, complex programs that system configurations are required to be changed manually when access places of the stable control terminal equipment in the plant stations are changed and the equipment becomes online and offline are eliminated, data acquisition and unified access of control terminals are realized through the special communication devices, defects in data acquisition and control network separation of a wide-area stable system are effectively overcome, problems that data are acquired repeatedly and are difficult to share are solved, and the utilization efficiency of power acquisition data is improved.
Description
Technical field
The present invention relates to technical field of power system communication, be specifically related to a kind of there is the wide of intelligent recognition function
The stable communicator in territory and method.
Background technology
Along with construction and the development of future global energy the Internet of transregional interconnected network, more how long will produce
Distance, the demand of large-scale stable control class business, additionally, more wide area measurement and advanced control equipment
And systematic difference so that the transmission of data and information gets more and more at a distance, and wide-area communication flow is relatively big,
Synchronicity requires height, and business proposes real-time transmission requirement highly reliable, high to power communication.
The data acquisition of WAMS system at present is respectively adopted different communicating with the communication network of stabilizing control system
Network, wherein the PMU data collection of WAMS system is mainly transmitted, in WAMS by scheduling data
The running status of power circuit is monitored by center station and dispatching patcher in real time, and dispatch data net is to long data
Time delay and congestion problems are the most preferably solved；Security stability control system is also by point-to-point optical fiber special line pair
PMU data is acquired judging the load condition of circuit, and passes through main website according to the load condition of different circuits
System issues off-line strategy and carries out cutting the control command such as machine or cutting load, and this point-to-point span of control is limited,
It is difficult in adapt to the real-time controlled on a large scale and the reliability requirement of wide area stabilizing control system.And WAMS system
The state existence that system separates with security stability control system communication network is difficult to data sharing, and PMU data repeats to adopt
Collection, the problem that application efficiency is low.
The identification of terminal unit in plant stand in access network is mainly passed through by the control system of central site at present
The mode of human configuration realizes, if steady control terminal equipment accesses place and changes, on equipment in plant stand
Line or will be configured by artificial change system when rolling off the production line, it is achieved program is complicated；Additionally, once control system
When can not receive the collection data of terminal unit, it is difficult to judgement is equipment fault or communication line fault, need
Manually progressively search failure cause, it is difficult to realize automatically finding and processing in time of fault.Therefore, the most real
Now the automatic of steady control terminal equipment identifies and the real-time monitoring of presence, is a problem to be resolved.
Summary of the invention
For overcoming above-mentioned the deficiencies in the prior art, the present invention provides a kind of wide area peace with intelligent recognition function
Steady communicator and method, this communication means passes through to affix one's name to private communication device in power system plant stand end, and
Designated lane end to end is distributed, it is achieved WAMS system and stabilizing control system for wide area steady control terminal equipment
Sharing of communication network；Private communication device achieves wide area by data bypass collection and intelligent recognition function
Stable control centre station carries out remote real-time monitoring function to the access state of terminal unit in plant stand.
Realizing the solution that above-mentioned purpose used is:
A kind of stable signal communication means of wide area with intelligent recognition function, described communicator includes: point
The first line of a couplet optical interface processing unit that is not connected with main control unit, multiplex/demultiplex unit, Intelligent Recognition unit,
Ethernet interface processing unit and 2M optical interface processing unit；Respectively with described Intelligent Recognition unit, described with
The data bypass unit that too network interface processing unit is connected with described 2M optical interface processing unit.
Preferably, described main control unit controls for the coordination of functional module each to described communicator and synchronizes
Process.
Preferably, described first line of a couplet optical interface processing unit is for passing through SDH by the data being packaged into SDH frame structure
The standard STM-1 interface provided is uploaded to interior SDH equipment of standing, then the transmission network via SDH equipment composition will
Data are uploaded to control centre；Described SDH equipment receives from the control information of control centre and resolves
By corresponding output port, steady control terminal equipment is controlled in real time.
Preferably, according to interface index, data encapsulating structure information, described Intelligent Recognition unit judges that data are believed
The source of breath and the change of reference numeral port processing data, and the information after Intelligent Recognition is sent to described
Main control unit.
Further, described SDH equipment passes through 2.5G or 10G optical interface incoming fiber optic private network.
A kind of wide area stable signal communication means with intelligent recognition function, described communication means includes:
(1) data acquisition interface of communicator is numbered；
(2) data bypass unit carries out by-pass shunt and data filtering to gathering data, obtains interface data frame
Origination message；
(3) Intelligent Recognition unit judges goes out the access terminal equipment type of corresponding interface, and online or off-line
State.
Preferably, in described step (3), described judgement is each transmitted not according to wide area steady control terminal equipment
With data frame format and data content.
Further, the data of described wide area steady control terminal equipment report frequency to be 25～100 times/second；If number
It is not received by continuous 3 seconds gathering data reporting information according to by-pass unit, then judges that the steady control terminal of wide area sets
Standby off-line or fault；
Recover again reporting of data if data bypass unit is had no progeny in continuous 3 seconds, then judge that wide area surely controls end
End equipment is reached the standard grade or Failure elimination.
Compared with immediate prior art, the technical scheme that the present invention provides has the advantages that
1) Wide-area Measurement Information collection and stable control can be uniformly accessed into by private communication device in plant stand and on
It is coupled to fiber optic communication private network, improves wide area data collection and the real-time of control and reliability, effectively solve
Data delay and congestion problems is there is by dispatch data net in PMU data when being transmitted.
2) this communication means by affixing one's name to private communication device in power system plant stand end, and surely controls end for wide area
End equipment distributes dedicated optic fiber channel end to end, it is achieved WAMS system and the communication network of stabilizing control system
Sharing of network, efficiently solves the problem that WAMS system separates with stabilized control system communication network, improves logical
The utilization ratio of communication network, can realize PMU simultaneously and gather data sharing, it is to avoid PMU data repeats to adopt
Collection, improves the utilization ratio of data.
3) communication means proposed by the invention can be each plant stand end terminal data collection and control device divide
Join independent physical communication channels, it is achieved communication control function end to end, it is achieved that central station is directly to factory
Station equipment carries out Remote configuration and management.
4) intelligent recognition function of private communication device proposed by the invention, can be to the access shape of terminal unit
State is monitored in real time, and the discovery in advance of equipment fault and remote maintenance functions, effectively prevent steady control
Will be by the way of the configuration of artificial change system when terminal unit is reached the standard grade or rolled off the production line.
5) intelligent recognition function of private communication device proposed by the invention, when control system can not receive terminal
During the collection data of equipment, can be equipment fault or communication line fault with automatic decision, assist to realize therefore
Automatically finding and processing in time of barrier, is greatly improved steady control terminal equipment fault investigation and the efficiency solved.
Accompanying drawing explanation
Fig. 1 is that wide area based on private communication device provided by the present invention surely controls communication factory station communication entirety
Structure chart；
Fig. 2 is that wide area based on private communication device provided by the present invention surely controls communication factory station communication local
Structure chart；
Fig. 3 is the wide area stable signal communication means structure chart with intelligent recognition function provided by the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
A kind of stable signal communication means of wide area with intelligent recognition function, described communicator includes: point
The first line of a couplet optical interface processing unit that is not connected with main control unit, multiplex/demultiplex unit, Intelligent Recognition unit,
Ethernet interface processing unit and 2M optical interface processing unit；Respectively with described Intelligent Recognition unit, described with
The data bypass unit that too network interface processing unit is connected with described 2M optical interface processing unit.
Described main control unit is used for coordination control and the synchronization process of functional module each to described communicator.
Described first line of a couplet optical interface processing unit is for providing the data being packaged into SDH frame structure by SDH
Standard STM-1 interface is uploaded to interior SDH equipment of standing, then the transmission network constituted via SDH equipment is by data
Reach control centre；Described SDH equipment receives from the control information of control centre and carries out resolving by right
Steady control terminal equipment is controlled by output port in real time that answer.
Described Intelligent Recognition unit judges the source of data message according to interface index, data encapsulating structure information
With the change of reference numeral port processing data, and send the information after Intelligent Recognition to described main control unit.
Described SDH equipment passes through 2.5G or 10G optical interface incoming fiber optic private network.
A kind of wide area stable signal communication means with intelligent recognition function, described communication means includes:
(1) data acquisition interface of communicator is numbered；
(2) data bypass unit carries out by-pass shunt and data filtering to gathering data, obtains interface data frame
Origination message；
(3) Intelligent Recognition unit judges goes out the access terminal equipment type of corresponding interface, and online or off-line
State.
In described step (3), the different pieces of information frame that described judgement is each transmitted according to wide area steady control terminal equipment
Form and data content.
The data of described wide area steady control terminal equipment report frequency to be 25～100 times/second；If data bypass unit
It is not received by continuous 3 seconds gathering data reporting information, then judges wide area steady control terminal equipment off-line or event
Barrier；
Recover again reporting of data if data bypass unit is had no progeny in continuous 3 seconds, then judge that wide area surely controls end
End equipment is reached the standard grade or Failure elimination.
Described multiplex/demultiplex unit, multiplexing refers to the Ethernet data gathered and E1 interface data root
The STM-1 frame structure requiring the standard that is packaged into according to SDH frame structure accesses SDH network by upper connecting port；Instead
It, demultiplexing refers to resolve from the SDH frame structure data of first line of a couplet interface, and according to resolving knot
Really by data respectively by being sent to Ethernet interface or the E1 interface unit of reference numeral.
Described data bypass unit is for gathering from Ethernet interface processing unit and 2M optical interface processing unit
Data carry out data image and data filtration treatment, take out the interface index sum that Intelligent Recognition unit needs
Intelligent Recognition cell processing is sent to according to information such as encapsulating structures.
As it is shown in figure 1, be that in the present embodiment, in plant stand, steady control terminal equipment passes through private communication device, and
Optical fiber private network accesses the communication structure figure of central station, and described system includes that wide area surely controls central station, power communication
Optical fiber private network, wide area stable private communication device in plant stand, and all kinds of steady control terminal such as PMU, stability control equipment
Access device.
Described optical fiber private network, utilizes the channel multiplexing characteristic of SDH technology in optical fiber private network, special for each access
One is distributed from central station to end by restricted shortest path footpath algorithm with the wide area of communicator steady control terminal equipment
End-to-end 2M dedicated physical channel between end.
Described dedicated physical channel achieves the central station communication control end to end to plant stand end steady control terminal equipment
Function processed, directly can carry out Remote configuration and management to factory's station equipment by central station.
As in figure 2 it is shown, Fig. 2 be in the present embodiment wide area based on private communication device surely control communication plant stand in
Communication structure figure, described system includes interior SDH equipment of standing, wide area stable private communication device, and PMU,
All kinds of steady control terminal access device such as stability control equipment.
Described SDH equipment, realizes the upper united mouth with wide area stable private communication device even by STM-1 interface
Connect, and by 2.5G or 10G optical interface incoming fiber optic private network, it is achieved with the communication function of central station.
As it is shown on figure 3, Fig. 3 is the wide area stable signal communication dress in the present embodiment with intelligent recognition function
Putting structure chart, described system includes main control unit, data bypass module, Intelligent Recognition unit, multiplexing/demultiplex
With unit, Ethernet interface processing unit, 2M optical interface processing unit and first line of a couplet optical interface processing unit.
Described Intelligent Recognition unit, by data bypass collection and the complete paired terminal of Frame deep analysis function
Equipment accesses or discovery, the identity recognition function in real time of off-line, and by special Control on Communication passage by intelligence
Can identify that information real-time Transmission, to remote control center, specifically includes following steps:
1) first the data acquisition interface of private communication device is numbered, for identification terminal access interface
Data Source.
2) collection data are carried out by-pass shunt and data filtering, obtain the origination message of described interface data frame,
In the different pieces of information frame format each transmitted according to the wide area such as PMU, stability control device steady control terminal equipment and data
Hold, it can be determined that go out the access terminal equipment type of corresponding interface, and online or off-line state.
3) data of the wide area such as PMU, stability control device steady control terminal equipment report frequency to be 25～100 times/second,
Consider the transient information such as terminal unit control command, the file transmission transmission time, if data bypass unit continuous 3
It is not received by Miao gathering data reporting information, can be considered terminal unit off-line or fault.
4) simultaneously, Intelligent Recognition unit keeps uninterrupted monitoring in real time, if having no progeny continuous 3 seconds in data bypass
Recover the most again reporting of data, then can be considered that terminal unit is reached the standard grade or Failure elimination.
5) the steady control terminals of wide area such as private communication device is detected by Intelligent Recognition unit PMU, stability control device
Online or the off-line state of equipment and device class information are by special control reserved between communicator and central station
Passage real-time report processed is to the control system of central station.
Finally should be noted that: above example is merely to illustrate the technical scheme of the application rather than protects it
The restriction of scope, although the application being described in detail with reference to above-described embodiment, art common
Skilled artisans appreciate that those skilled in the art still can be to the detailed description of the invention of application after reading the application
Carry out all changes, amendment or equivalent, but these change, revise or equivalent, all in Shen
Within the claims that please await the reply.
Claims (8)
1. the stable signal communication means of wide area with intelligent recognition function, it is characterised in that described logical
T unit includes: the first line of a couplet optical interface processing unit that is connected with main control unit respectively, multiplex/demultiplex unit,
Intelligent Recognition unit, Ethernet interface processing unit and 2M optical interface processing unit；Know with described intelligence respectively
The data bypass list that other unit, described Ethernet interface processing unit are connected with described 2M optical interface processing unit
Unit.
2. the stable signal communication means of wide area as claimed in claim 1, it is characterised in that described master control list
Unit is used for coordination control and the synchronization process of functional module each to described communicator.
3. the stable signal communication means of wide area as claimed in claim 1, it is characterised in that described first line of a couplet light
Interface processing unit is for connecing standard STM-1 that the data being packaged into SDH frame structure are provided by SDH
Mouth is uploaded to interior SDH equipment of standing.
4. the stable signal communication means of wide area as claimed in claim 1, it is characterised in that described intelligence is known
Other unit judges source and the reference numeral port of data message according to interface index, data encapsulating structure information
Gather the change of data, and send the information after Intelligent Recognition to described main control unit.
5. the stable signal communication means of wide area as claimed in claim 3, it is characterised in that described SDH
Equipment passes through 2.5G or 10G optical interface incoming fiber optic private network.
6. a wide area stable signal communication means with intelligent recognition function, it is characterised in that described logical
Letter method includes:
(1) data acquisition interface of communicator is numbered；
(2) data bypass unit carries out by-pass shunt and data filtering to gathering data, obtains interface data frame
Origination message；
(3) the access terminal equipment type of Intelligent Recognition unit judges corresponding interface, and online or off-line
State.
7. communication means as claimed in claim 6, it is characterised in that in described step (3), described
It is judged as that the different pieces of information frame format and the data content that each transmit according to wide area steady control terminal equipment are made and being sentenced
Disconnected.
8. communication means as claimed in claim 7, it is characterised in that described wide area steady control terminal equipment
Data report frequency to be 25～100 times/second；If data bypass unit is not received by continuous 3 seconds gathering number
According to reporting information, then judge wide area steady control terminal equipment off-line or fault；
Recover again reporting of data if data bypass unit is had no progeny in continuous 3 seconds, then judge that wide area surely controls end
End equipment is reached the standard grade or Failure elimination.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353985.5A CN105871466B (en) | 2016-05-25 | 2016-05-25 | Wide-area stable communication device and method with intelligent identification function |
| PCT/CN2017/080971 WO2017202159A1 (en) | 2016-05-25 | 2017-04-18 | Wide-area stable communication apparatus and method having intelligent identification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610353985.5A CN105871466B (en) | 2016-05-25 | 2016-05-25 | Wide-area stable communication device and method with intelligent identification function |
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| CN105871466A true CN105871466A (en) | 2016-08-17 |
| CN105871466B CN105871466B (en) | 2021-10-29 |
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| WO (1) | WO2017202159A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105871466B (en) | 2021-10-29 |
| WO2017202159A1 (en) | 2017-11-30 |
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