Device intelligent access system based on device adaptation technology, and method of the same

Abstract

The invention discloses a device intelligent access system based on a device adaptation technology. The system is arranged at a transformer substation and communicated with a power supply bureau and a data acquisition device, and comprises a device management module, a plug-in and specification management module and a communication management module, wherein the device management module comprisesa device information model unit and a device management center unit; the plug-in and specification management unit comprises a device plug-in unit, a device plug-in management unit and a device specification library unit; and the communication management unit comprises a device communication interface unit, a device data sending unit, a device data receiving unit and a message bus unit. The system has strong expansibility and compatibility, needs less system transformation works while being compatible to old devices and old protocols or accessing to new devices and new protocols, thereby saving labor cost and reducing work load.

Description

technical field [0001] The invention relates to a device access terminal technology, in particular to an intelligent terminal access technology in a substation. Background technique [0002] In the online monitoring system of substation equipment, intelligent access of equipment is a crucial step. There are many kinds of equipment in the substation, and the characteristics of different equipment are different. The interface methods used by different equipment are also mostly different, including RS485, RS232, network interface and other interface methods. The communication protocols include MODBUS, CDT, IEC60870-5-103 protocol, IEC61850 protocol and other protocols, and the standards of communication protocols are constantly updated, there are relatively early MODBUS, CDT protocols, and new protocols that meet the IEC61850 standard; the format of the message depends on different manufacturers, different equipment types and different Service areas will also have different ma...

AI Technical Summary

Problems solved by technology

However, there are still many problems in this method: the conversion between different protocols requires different communication protocol converters, and for different device connection methods and message formats, the communication protocol converter must be customized or even replaced. The system needs to be upgraded or the field equipment needs to be upgraded, and the corresponding communication protocol converter also needs to be upgraded or purchased separately. On-site debugging is complicated and the access cycle is long. If new equipment or old equipment and its monitoring system need to be upgraded, It is necessary to configure the corresponding communication protocol converter or develop the corresponding communication protocol conversion equipment. The access to new and old equipment or the use of new protocols will be complicated and time-consuming, wasting excess manpower and material resources

[0004] The common disadvantage of the above methods is that the scalability and compatibility are not strong, and they can only target a single device or a single protocol. When compatible with old devices and old protocols or when accessing new devices and new protocols, a large number of existing The transformation of the system, even the development of a new system, but its actual business functions will not increase, so that the original functions and systems will be wasted, and the workload and cost will be huge

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