CN202889325U - Real-time data access interface equipment of online oil chromatography monitoring system - Google Patents
Real-time data access interface equipment of online oil chromatography monitoring system Download PDFInfo
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- CN202889325U CN202889325U CN 201220622216 CN201220622216U CN202889325U CN 202889325 U CN202889325 U CN 202889325U CN 201220622216 CN201220622216 CN 201220622216 CN 201220622216 U CN201220622216 U CN 201220622216U CN 202889325 U CN202889325 U CN 202889325U
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Abstract
The utility model relates to substation detection equipment and in particular relates to real-time data access interface equipment of an online oil chromatography monitoring system. The real-time data access interface equipment comprises an interface conversion module connected with external equipment, and a universal serial bus (USB) interface connected with the interface conversion module, wherein the USB interface is connected with a power transformer oil chromatography data protocol analysis module; the power transformer oil chromatography data protocol analysis module is connected with a communication management module; and the communication management module is connected with an Ethernet interface module, an optical fiber interface module and a control panel. Due to the distributed computation mode, the computation complexity of a node unit is reduced, the total node number is reduced due to reasonable merging, the overall processing efficiency of a substation monitoring system is improved, and the digital and intelligent transformation cost spent on the conventional substation is reduced.
Description
Technical field
The utility model relates to a kind of transformer station checkout equipment, especially relates to a kind of oil chromatography on-line monitoring 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, measure type and quantity more and more.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 oil chromatography on-line monitoring system is the precision equipment that integrates control, Measurement and analysis technology, the oil-filled electrical equipments such as transformer are carried out on-line monitoring, and online various fault characteristic gases concentration and the variation tendency that promptly and accurately detects dissolved in insulating oil, these gases comprise hydrogen, carbon monoxide, methane, ethane, ethene, acetylene etc.When oil chromatography on-line monitoring system access external equipment, need to use oil chromatography on-line monitoring system real time data access interface equipment, oil chromatography on-line monitoring 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.
The a large amount of online equipment building times of 4-early all do not possess digitlization, standardized communication interface.
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 oil chromatography on-line monitoring 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:
Oil chromatography on-line monitoring system real time data access interface equipment of the present utility model 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 an electric power transformer oil chromatographic data protocol analysis module, electric power transformer oil chromatographic data protocol analysis module connects a communication management module, communication management module connection 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 oil chromatography on-line monitoring system real time data access interface equipment of the 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 an electric power transformer oil chromatographic data protocol analysis module 3, electric power transformer oil chromatographic data protocol analysis module 3 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.
Electric power transformer oil chromatographic data protocol analysis module 3 is key components of equipment, is 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, and 4 of USB interface acquiescences 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: interface modular converter-〉 (USB HUB)-〉 USB interface-〉 electric power transformer oil chromatographic data protocol analysis module-〉 communication management module-〉 ethernet interface module (or fiber interface module).Interface between each module, except interface modular converter and electric power transformer oil chromatographic data protocol analysis module all adopt the USB2.0 standard interface, the point-to-point communication between all the other modules all adopts high speed SPI interface.
The oil chromatography on-line monitoring system real time data access interface equipment of the present embodiment adopts special-purpose electric power transformer oil chromatographic data protocol analysis module, and the agreement upgrading is as long as upgrade electric power transformer oil chromatographic data protocol analysis module.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 oil chromatography on-line monitoring 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, electric power transformer oil chromatographic data protocol analysis module can be convenient for changing, upgrading processing ability and need not change other parts.
Claims (1)
1. oil chromatography on-line monitoring system 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 an electric power transformer oil chromatographic data protocol analysis module, electric power transformer oil chromatographic data protocol analysis module connects a communication management module, communication management module connection ethernet interface module, fiber interface module and control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622216 CN202889325U (en) | 2012-11-20 | 2012-11-20 | Real-time data access interface equipment of online oil chromatography monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220622216 CN202889325U (en) | 2012-11-20 | 2012-11-20 | Real-time data access interface equipment of online oil chromatography monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889325U true CN202889325U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220622216 Expired - Fee Related CN202889325U (en) | 2012-11-20 | 2012-11-20 | Real-time data access interface equipment of online oil chromatography monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889325U (en) |
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2012
- 2012-11-20 CN CN 201220622216 patent/CN202889325U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |