CN202872468U - Real-time data access interface devic of SCADA (Supervisory Control and Data Acquisition) system - Google Patents

Real-time data access interface devic of SCADA (Supervisory Control and Data Acquisition) system Download PDF

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Publication number
CN202872468U
CN202872468U CN2012206218514U CN201220621851U CN202872468U CN 202872468 U CN202872468 U CN 202872468U CN 2012206218514 U CN2012206218514 U CN 2012206218514U CN 201220621851 U CN201220621851 U CN 201220621851U CN 202872468 U CN202872468 U CN 202872468U
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CN
China
Prior art keywords
interface
module
equipment
transformer substation
time data
Prior art date
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Expired - Fee Related
Application number
CN2012206218514U
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Chinese (zh)
Inventor
范黎敏
邓华
邱雄
方云辉
汪步升
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO YONGYAO INFORMATION TECHNOLOGY Co Ltd
CIXI POWER SUPPLY BUREAU
Ningbo Electric Power Bureau
Original Assignee
NINGBO YONGYAO INFORMATION TECHNOLOGY Co Ltd
CIXI POWER SUPPLY BUREAU
Ningbo Electric Power Bureau
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Application filed by NINGBO YONGYAO INFORMATION TECHNOLOGY Co Ltd, CIXI POWER SUPPLY BUREAU, Ningbo Electric Power Bureau filed Critical NINGBO YONGYAO INFORMATION TECHNOLOGY Co Ltd
Priority to CN2012206218514U priority Critical patent/CN202872468U/en
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Publication of CN202872468U publication Critical patent/CN202872468U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40Display of information, e.g. of data or controls
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Abstract

The utility model relates to a transformer substation detection device, and in particular relates to a real-time data access interface device of an SCADA (Supervisory Control and Data Acquisition) system. The transformer substation detection device comprises an interface conversion module connected with an external device, and a USB (Universal Serial Bus) interface connected with the interface conversion module, wherein the USB interface is connected with a power grid operating state graph-data-model integration data protocol analysis module; the power grid operating state graph-data-model integration data protocol analysis module is connected with a communication management module; and the communication management module is connected with an Ethernet interface module, a fiber interface module and a control panel. According to the real-time data access interface device, through a distributed computing mode, the computation complexity of node units is reduced, and through the reasonable merger, the total node number is reduced, the overall processing efficiency of a transformer substation monitoring system is improved, and the cost spent on the digitalized and intellectualized reconstruction of the existing transformer substation is reduced.

Description

SCADA system real time data access interface equipment
Technical field
The utility model relates to a kind of transformer station checkout equipment, especially relates to a kind of SCADA system real time data access interface equipment.
Background technology
In recent years, along with the application of real-time data base in power grid enterprises, digital power grid, intelligent grid require more and more comprehensive for the Real-time Collection of field apparatus running status, and it is more and more to measure type and quantity.Provide the product producer of monitoring numerous, the model Various Functions also lacks unified standard aspect communication interface, causes a lot of protocol forward devices of needs, needs to load and process the agreement of number of different types on the data collection host.And there is incompatible situation in the agreement between each producer, the very difficult directly unified server that is linked into.Wherein, the SCADA system applies is the most extensive, and technical development is also ripe.It accounts for critical role in telecontrol system, can carry out monitoring and controlling to the operational outfit at scene, to realize the various functions such as data acquisition, equipment control, measurement, parameter adjusting and various types of signal warning.When SCADA system access external equipment, need to use SCADA system real time data access interface equipment, SCADA system real time data access interface equipment Main Problems is at present:
The physical interface of the same kind of 1-, distinct device model, communication protocol disunity bring complexity to the planning construction of digital transformer substation, are unfavorable for planning and designing and the construction of standardization, numeral, intelligence, transformer station.
The third-party protocol forward device of 2-just plays the forwarding effect, and a large amount of protocol analysis still needs the backstage to focus on, and has affected efficient.
3-is that each coordinative composition of equipments protocol converter cost is high, and the agreement after the conversion that provides of different manufacturers transducer also is not quite similar.
4-in morning net equipment construction time, does not all possess digitlization, standardized communication interface in a large number.
5-focuses on agreement, has the potential safety hazard of Single Point of Faliure.
In order to address these problems, some protocol converters have appearred on the market, and all be collecting device producer oneself exploitation basically, each producer provides collection and management software for the product of oneself.Because commercial competition, the external interface agreement of different manufacturers are also different, can't accomplish compatible; Or have third-party protocol forward device product, and all just play the effect that protocol transparent is transmitted, do not do the unified conversion of agreement.
Therefore be necessary to be improved at aspects such as unified interface, uniform protocol, raising operation efficiencies.
The utility model content
Deficiency for above-mentioned prior art existence, the purpose of this utility model provides a kind of SCADA system real time data access interface equipment, it have compatible strong, configurable, upwards provide the characteristics such as unified interface, uniform protocol, distributed arithmetic, be the key link during digitlization, intelligent grid are built.
To achieve these goals, the technical scheme that adopts of the utility model is:
SCADA of the present utility model system real time data access interface equipment comprises the interface modular converter that connects external equipment, and USB interface, the USB interface that links to each other with interface modular converter is connected that the digital-analog integrated data protocol parsing module of an operation of power networks state diagram, the digital-analog integrated data protocol parsing module of operation of power networks state diagram connect a communication management module, communication management module connects ethernet interface module, fiber interface module and control panel.
The utility model passes through distributed computing model, reduced the computation complexity of node unit, and reduced overall number of nodes by rational merging, and improved the overall treatment efficiency of transformer substation monitoring system, reduced the digitlization of existing transformer station, the cost of intellectualized reconstruction.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is modular structure schematic diagram of the present utility model;
Embodiment
The following stated only is preferred embodiment of the present utility model, does not therefore limit protection range of the present utility model.
Embodiment, as shown in Figure 1: the SCADA system real time data access interface equipment of present embodiment comprises the interface modular converter 1 that connects external equipment, and USB interface 2, the USB interface 2 that links to each other with interface modular converter 1 is connected the digital-analog integrated data protocol parsing module 3 of an operation of power networks state diagram, the digital-analog integrated data protocol parsing module 3 of operation of power networks state diagram connects a communication management module 4, communication management module 4 connection ethernet interface module 5, fiber interface module 6 and control panels 7.
Wherein, ethernet interface module 5 and fiber interface module 6 provide 2 kinds of optional upper communication modes by the connector mode.Be different from general all purpose communication module, the module package of this 2 kinds of specific aims design physical interface and communication protocol separately, device just will communicate in application layer the programming of processing, reduced taking the communication management module resource, reduce the code complexity of communication management module, improved the reliability of communication management module part.
Communication management module 4 is core cells of equipment, be responsible for data acquisition scheduling, buffer memory, with the communicating by letter of host computer, with the management logics such as the communicating by letter of slave computer, abnormal conditions processing.
Control panel is with 7 in the demonstration of the information such as operating state, equipment configuring condition, and according to the work of user's input control apparatus.
The key component that the digital-analog integrated data protocol parsing module 3 of operation of power networks state diagram is equipment, be responsible for parsing and the conversion of agreement, the data rule schemata of different manufacturers, different model kind monitoring equipment is converted to the application layer data of standard, or carries out reverse conversion.By this module of upgrading, can support unit type more, that upgrade.Because what process is congener Monitoring Data, the Monitoring Data content is consistent, is stylistic difference, and processing logic is simple, so the efficient of the processing of this module is higher than general protocol resolving program efficient.By this module, operating range is limited in a kind equipment in the transformer station, computational complexity is low, and processing speed is high.
USB interface 2 and interface modular converter 1, in order to adapt to the situation of substation field different measuring points quantity, interface modular converter is with standard USB physical interface and devices communicating, in the present embodiment, 4 of USB interface acquiescences also can be set to other quantity or can expand at most 128 access module by USB HUB.Be minimumly can connect 128 equipment.If access is the bus type module, such as 485, CAN, the equipment that then can connect is more.Because the equipment of a lot of producers often possesses the equipment of identical interface, particularly a certain kind, so bus type interface modular converter can connect all the same model equipment in the transformer station.So by such architecture design, this equipment can satisfy the design object that accesses the one species monitoring equipment of different manufacturers different model in the transformer station fully.
The data flow of whole equipment is as follows during work: the interface modular converter-〉 digital-analog integrated data protocol parsing module-〉 communication management module of (USB HUB)-〉 USB interface-〉 operation of power networks state diagram-〉 ethernet interface module (or fiber interface module).Interface between each module, except interface modular converter and the digital-analog integrated data protocol parsing module of operation of power networks state diagram all adopt the USB2.0 standard interface, the point-to-point communication between all the other modules all adopts high speed SPI interface.
The SCADA system real time data access interface equipment of present embodiment adopts the special-purpose digital-analog integrated data protocol parsing module of operation of power networks state diagram, and the agreement upgrading is as long as upgrade the digital-analog integrated data protocol parsing module of operation of power networks state diagram.Reduced the protocol converter of traditional integrated design, because of protocol extension and the cost of upgrading and causing the motherboard resources deficiency to need the integral replacing design to bring; Can change with the communication module of host computer, reduce cost; A large amount of protocol analysis conversion work are finished in equipment, communication protocol standard, and the system host load reduces greatly.
Than original transmission means, the utility model is compared with existing technology the advantage that has and is:
1, equipment can distributed networking, each node disjoint work, and the upgrading of certain node need not stop all the other equipment, and the reliabilty and availability of whole monitoring system increases.The computing of cloth formula has reduced the Single Point of Faliure rate of centralized calculation, and can not make mistakes because of certain part agreement causes the actual effect of whole monitoring and acquisition system, has also reduced the computational load of background system, improves the response speed of monitoring system.
2,, standardization unified with the communication protocol on backstage, clear and definite hierarchical relationship.System Model Reduction, reduced complexity, Reliability Enhancement.
3, have the construction needs that can adapt to by this device digitlization, intellectuality, standardization electrical network at the monitoring equipment of net now, avoided overlapping investment, reduced the cost that intelligent grid is built.
4, every kind of monitoring equipment is equipped with 1 SCADA system real time data access interface equipment, has reduced protocol forward device quantity, avoids again too concentrating the Single Point of Faliure hidden danger that causes.
5, the digital-analog integrated data protocol parsing module of operation of power networks state diagram can be convenient for changing, upgrading processing ability and need not change other parts.

Claims (1)

1.SCADA system's real time data access interface equipment, it is characterized in that: comprise the interface modular converter that connects external equipment, USB interface, the USB interface that links to each other with interface modular converter is connected the digital-analog integrated data protocol parsing module of an operation of power networks state diagram, the digital-analog integrated data protocol parsing module of operation of power networks state diagram connects a communication management module, communication management module connection ethernet interface module, fiber interface module and control panel.
CN2012206218514U 2012-11-20 2012-11-20 Real-time data access interface devic of SCADA (Supervisory Control and Data Acquisition) system Expired - Fee Related CN202872468U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500979A (en) * 2013-09-23 2014-01-08 北京康拓科技有限公司 Relay protection controller based on PXI-e and provided with smart power grid communication protocol
CN103595706A (en) * 2013-10-15 2014-02-19 航天科工深圳(集团)有限公司 Temperature sensing data universal server and communication method of temperature sensing data universal server
CN108965086A (en) * 2018-10-17 2018-12-07 郑州云海信息技术有限公司 A kind of data transmission method of integrated access equipment, apparatus and system
CN108965864A (en) * 2018-07-03 2018-12-07 上海欣诺通信技术股份有限公司 IPTV protocal analysis equipment
CN110445856A (en) * 2019-07-31 2019-11-12 南京联迪信息系统股份有限公司 A kind of Internet of Things communication part managing and control system and method for supporting multi-protocols access

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103500979A (en) * 2013-09-23 2014-01-08 北京康拓科技有限公司 Relay protection controller based on PXI-e and provided with smart power grid communication protocol
CN103500979B (en) * 2013-09-23 2016-02-03 北京康拓科技有限公司 A kind of relay protection and control device of the configuration intelligent grid communication protocol based on PXI-e
CN103595706A (en) * 2013-10-15 2014-02-19 航天科工深圳(集团)有限公司 Temperature sensing data universal server and communication method of temperature sensing data universal server
CN108965864A (en) * 2018-07-03 2018-12-07 上海欣诺通信技术股份有限公司 IPTV protocal analysis equipment
CN108965086A (en) * 2018-10-17 2018-12-07 郑州云海信息技术有限公司 A kind of data transmission method of integrated access equipment, apparatus and system
CN108965086B (en) * 2018-10-17 2021-06-25 郑州云海信息技术有限公司 Data transmission method, device and system of integrated access equipment
CN110445856A (en) * 2019-07-31 2019-11-12 南京联迪信息系统股份有限公司 A kind of Internet of Things communication part managing and control system and method for supporting multi-protocols access
CN110445856B (en) * 2019-07-31 2022-08-02 南京联迪信息系统股份有限公司 Internet of things communication assembly management and control system and method supporting multi-protocol access

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20151120

EXPY Termination of patent right or utility model