CN105572624A - Detection device and method of simulation digital meter - Google Patents

Detection device and method of simulation digital meter Download PDF

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Publication number
CN105572624A
CN105572624A CN201510925942.5A CN201510925942A CN105572624A CN 105572624 A CN105572624 A CN 105572624A CN 201510925942 A CN201510925942 A CN 201510925942A CN 105572624 A CN105572624 A CN 105572624A
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CN
China
Prior art keywords
mms
electric energy
detection
electric
analog digital
Prior art date
Application number
CN201510925942.5A
Other languages
Chinese (zh)
Inventor
杜杰
程瑛颖
肖冀
侯兴哲
周峰
胡建明
常仕亮
Original Assignee
国网重庆市电力公司电力科学研究院
国家电网公司
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Application filed by 国网重庆市电力公司电力科学研究院, 国家电网公司 filed Critical 国网重庆市电力公司电力科学研究院
Priority to CN201510925942.5A priority Critical patent/CN105572624A/en
Publication of CN105572624A publication Critical patent/CN105572624A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R22/00Arrangements for measuring time integral of electric power or current, e.g. by electricity meters
    • G01R22/06Arrangements for measuring time integral of electric power or current, e.g. by electricity meters by electronic methods
    • G01R22/061Details of electronic electricity meters
    • G01R22/063Details of electronic electricity meters related to remote communication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the preceding groups
    • G01R35/04Testing or calibrating of apparatus covered by the preceding groups of instruments for measuring time integral of power or current

Abstract

The invention discloses a detection device of a simulation digital meter. The detection device comprises a main CPU processing system, a display liquid crystal, a keyboard, a communication exchanger and multiple paths of ports, wherein the display liquid crystal, the keyboard, the communication exchanger and the ports are connected with the main CPU processing system. The main CPU processing system is used for simulating basic electric quantity generated by the simulation digital meter and supporting electric quantity sending on an MMS protocol. The communication exchanger module is used for achieving electric power data sharing of inner multiple paths of Ethernet channels of the main CPU processing system by external multiple paths of Ethernet ports. Each path of the Ethernet ports supports external electric power information sending via the MMS protocol. Based on the MMS communication protocol, the digitalization electric energy transmission detection device can simulate MMS-based electric energy acquisition transmission protocol detection of a 5-path digitalization electric energy meter, thereby avoiding necessary preparation of a digitalization electric energy meter during the new generation of electric energy acquisition transmission protocol detection work supporting the MMS protocol, and greatly improving detection efficiency of a digitalization electric energy acquisition terminal.

Description

A kind of analog digital table pick-up unit and method

Technical field

The present invention relates to digitalized electric energy acquisition terminal detection field, particularly a kind of analog digital table pick-up unit for the terminal test of digitizing electric quantity acquisition.

Background technology

In new-generation digital intelligent substation, the MMS communication protocol based on IEC61850 standard is all adopted for generated energy acquisition in station, the object that the electric quantity acquisition of digitizing simultaneously terminal gathers no longer is confined to the electric energy meter of traditional RS485 serial communication mode, in new-generation digital intelligent station, data communication protocol is all based on IEC61850 standard, adopts MMS for electric energy acquisition metering system data communication protocol.

In digital intelligent transformer station, it is whether accurate that digitizing electric quantity acquisition terminal based on MMS communication protocol gathers electric quantity data, directly have influence on the accuracy of metering main website to the power information monitoring of full station, vital effect is played to the electric energy loss monitoring at full station and the formulation of corresponding managing power consumption scheme.Pick-up unit is comprehensively and effectively lacked at present when detecting the digitizing electric quantity acquisition terminal based on MMS communications protocol, use analog digital table pick-up unit when testing the digitizing electric quantity acquisition terminal based on MMS communications protocol, the process of manually building test environment can be reduced, improve the efficiency of detection.

Therefore, a kind of pick-up unit that can detect based on the analog digital table of the detection digitizing electric quantity acquisition terminal of MMS communications protocol is needed.

Summary of the invention

Object of the present invention is just to provide a kind of pick-up unit that can detect based on the analog digital table of the detection digitizing electric quantity acquisition terminal of MMS communications protocol.

The object of the invention is by such technical scheme realize:

A kind of analog digital table pick-up unit provided by the invention, the display liquid crystal, keyboard, communications exchange device and the multichannel interface that comprise host CPU disposal system and be connected with host CPU disposal system respectively;

Described host CPU disposal system, produces basic electricity for analog digital table and supports power transmission amount in MMS communications protocol;

Described communications exchange device module, share host CPU disposal system inner multichannel EtherChannel energy data for realizing outside multichannel Ethernet interface, every road Ethernet interface all supports the electric quantity acquisition all virtual digit tables being carried out to MMS;

Described keyboard, for carrying out optimum configurations and input energy data Query Information;

Described display liquid crystal, for carrying out the information of optimum configurations and energy data query manipulation;

Described mass storage, for storing check information and calibration tails;

Described multichannel interface, for carrying out based on DL/T645 stipulations communication with electric energy acquisition terminal; And send the electric energy data meeting MMS.

Further, described multichannel interface is five road RS485.

Further, the MMS communications protocol that described host CPU disposal system adopts is the MMS message protocol of IEC61850 standard.

Further, the process chip of described host CPU disposal system adopts MPC8360E ultimate system.

Present invention also offers a kind of analog digital table detection method, comprise the following steps:

S1: arrange and treat simulation based on digital electric energy meter ICD model;

S2: MMS digitalized electrical energy meter information is set;

S3: generate digitalized electrical energy meter external MMS communication example;

Simulation generating electric energy data are communicated with electric energy acquisition terminal based on MMS by S4: by built-in communication server.

Further, described electric energy acquisition terminal carries out communicating by carrying out communication based on DL/T645 stipulations; And send the electric energy data meeting MMS.

Owing to have employed technique scheme, the present invention has following advantage:

Pick-up unit provided by the invention is the digitalized electric energy amount detecting device based on MMS communication protocol, can simulate and meet IEC61850 standard with the digitalized electrical energy meter of MMS message specification communication, realize detecting the generated energy acquisition of the digitalized electric energy acquisition terminal meeting MMS communication message specification based on IEC61850 standard, decrease the building at electric energy acquisition terminal test macro in MMS communication protocol detects, greatly improve the detection efficiency to digitizing electric energy acquisition terminal.

Five pieces of digital watch based on MMS communication protocol can be simulated by CPU disposal system, every block analog digital table can be simulated and be carried out electricity and have good luck, there is hardware separate tP address, support power transmission energy information in MMS communications protocol, external five road Ethernet interfaces can realize by communications exchange device the information about power that every road Ethernet interface gathers five pieces of analog digital tables, can direct connecting test five digitizing electric quantity collector terminals by Ethernet interface, the object of the quantity of the detected electric quantity collector of expansion can be reached by external switch expansion Ethernet interface simultaneously, by analog digital table pick-up unit, effectively can significantly improve detection speed, use simple high efficient and reliable.

Every road Ethernet interface is all supported externally to send electric energy information with MMS, simultaneously, RS485 interface is also followed DL/T645 stipulations and is externally sent electric energy information, based on above-mentioned basis, pick-up unit provided by the invention is the digitalized electric energy transmission pick-up unit based on MMS communication protocol, the carrying out can simulating 5 railway digital electric energy meters detects based on the generated energy acquisition host-host protocol of MMS, avoid and can support in the electric energy acquisition terminal testing of MMS in a new generation, necessary digitalized electrical energy meter prepares, and based on MMS modeling, the multiple work such as to build with networking, thus the detection efficiency greatly improved digitizing electric energy acquisition terminal.

Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized by instructions below and claims and be obtained.

Accompanying drawing explanation

Accompanying drawing of the present invention is described as follows.

Fig. 1 is analog digital table structure of the detecting device theory diagram.

Fig. 2 is traditional electrical energy acquisition terminal detection system structured flowchart.

Fig. 3 is the electric energy acquisition terminal detection system structured flowchart of application simulation digital watch pick-up unit.

Embodiment

Below in conjunction with drawings and Examples, the invention will be further described.

Embodiment 1

As shown in the figure, a kind of analog digital table pick-up unit that the present embodiment provides, the display liquid crystal, keyboard, communications exchange device and the multichannel interface that comprise host CPU disposal system and be connected with host CPU disposal system respectively;

Described host CPU disposal system, produces basic electricity for analog digital table and supports power transmission amount in MMS communications protocol;

Described communications exchange device module, share host CPU disposal system inner multichannel EtherChannel energy data for realizing outside multichannel Ethernet interface, every road Ethernet interface all supports the electric quantity acquisition all virtual digit tables being carried out to MMS;

Described keyboard, for carrying out optimum configurations and input energy data Query Information;

Described display liquid crystal, for carrying out the information of optimum configurations and energy data query manipulation;

Described mass storage, for storing check information and calibration tails;

Described 5 road RS485, for carrying out based on DL/T645 stipulations communication with electric energy acquisition terminal, meet the demand that the compatible tradition of electric energy acquisition terminal gathers port;

Described 5 road RJ45, for sending the electric energy data meeting MMS.

The MMS communications protocol that described host CPU disposal system adopts is the MMS message protocol of IEC61850 standard.

The process chip of described host CPU disposal system adopts MPC8360E base.

The present embodiment additionally provides a kind of analog digital table detection method, comprises the following steps:

S1: arrange and treat simulation based on digital electric energy meter ICD model

S2: MMS digitalized electrical energy meter information is set

S3: generate digitalized electrical energy meter external MMS communication example

S4: by built-in communication server, simulation generating electric energy data are communicated with electric energy acquisition terminal based on MMS, gather port as acquisition terminal has traditional RS485, then analogue means externally responds the question and answer mode generated energy acquisition of acquisition terminal based on DL/T645 stipulations simultaneously.

Described electric energy acquisition terminal carries out communicating by carrying out communication based on DL/T645 stipulations; And send the electric energy data meeting MMS.

Embodiment 2

The simulation based on digital detection device of electric energy meter that the present embodiment provides, comprise host CPU processing system modules, support based on power transmission energy on the MMS message protocol of IEC61850 standard, communications exchange device module, realize outside 5 road Ethernet interfaces to share the inner 5 road EtherChannel energy datas of host CPU processing system modules, every road Ethernet interface all supports the electric quantity acquisition all virtual digit tables being carried out to MMS.

Simulation based on digital detection device of electric energy meter comprises display liquid crystal and keyboard, can carry out optimum configurations and energy data query manipulation by keyboard liquid crystal to analog digital meter apparatus, can carry out relative parameters setting and electric quantity data inquiry output.Host CPU disposal system can produce basic electricity and supports power transmission amount in MMS communications protocol by analog digital table.Communications exchange device can realize the electric quantity data that external Ethernet interface shares inner all EtherChannels.

Shown in Figure 1, this device comprises host CPU disposal system, and this process chip adopts MPC8360E ultimate system, and the communication processing engine technology using it exclusive can realize the EtherChannel design of separate tP address 5 road.

Simulate based on the digital watch of MMS communication protocol by embedded software algorithm realization, every information about power data of every block analog digital table and address information all can corresponding data structures in memory, the corresponding EtherChannel hardware interface of every block analog digital table, distinguish different analog digital tables with IP address when carrying out electric energy information communication, when carrying out generated energy acquisition, in CPU disposal system, MMS message anticipation program can according to extracting telecommunications breath in data structure body corresponding in the address information in message to storer.

On concrete program realizes, analog digital heading first can produce the self-described file of 5 digitalized electrical energy meters automatically, i.e. ICD file, then be socketed based on ICD file and program, the internal electrical energy generator program of simulation based on digital produces the electric energy data such as active energy, reactive energy, then, according to the concrete stipulations of MMS, namely the description of IEC61850-8-1 generates concrete message frame, finally drives Ethernet interface to send.

Communications exchange device functions of modules is equivalent to an ethernet communication switch, the external Ethernet interface in every road can share the data of inner all EtherChannels by communication switch module, the complete simulated implementation of such system architecture in actual metered system based on the connected system of the electric quantity acquisition of the digital electricity meter of MMS communications protocol and digitizing electric quantity acquisition terminal.

By human-computer interaction module, can arrange the parameter of having good luck of every block simulation table, such as, voltage, electric current, power factor, produces different electric quantity data items by the electric energy meter run in software simulation transformer station.

Shown in Figure 2, when detecting digitalized electric energy acquisition terminal, traditional detection system needs to comprise the digitalized electrical energy meter that some are supported MMS communications protocol, ethernet communication switch, electric energy acquisition terminal, PC electric flux calling operation backstage.

Shown in Figure 3, use analog digital table pick-up unit can replace some digital watch and ethernet communication switch segment in traditional detection system, directly digitizing electric quantity acquisition terminal is connected by the Ethernet interface of ethernet line with analog digital table pick-up unit, this completes in coulomb collection system and gather building of electricity basic environment.

What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present invention.

Claims (6)

1. an analog digital table pick-up unit, is characterized in that: the display liquid crystal, keyboard, communications exchange device and the multichannel interface that comprise host CPU disposal system and be connected with host CPU disposal system respectively;
Described host CPU disposal system, produces basic electricity for analog digital table and supports power transmission amount in MMS communications protocol;
Described communications exchange device module, share host CPU disposal system inner multichannel EtherChannel energy data for realizing outside multichannel Ethernet interface, every road Ethernet interface all supports the electric quantity acquisition all virtual digit tables being carried out to MMS;
Described keyboard, for carrying out optimum configurations and input energy data Query Information;
Described display liquid crystal, for carrying out the information of optimum configurations and energy data query manipulation;
Described mass storage, for storing check information and calibration tails;
Described multichannel interface, for carrying out based on DL/T645 stipulations communication with electric energy acquisition terminal; And send the electric energy data meeting MMS.
2. analog digital table pick-up unit as claimed in claim 1, is characterized in that: described multichannel interface is five road RS485.
3. analog digital table pick-up unit as claimed in claim 1, is characterized in that: the MMS communications protocol that described host CPU disposal system adopts is the MMS message protocol of IEC61850 standard.
4. analog digital table pick-up unit as claimed in claim 1, is characterized in that: the process chip of described host CPU disposal system adopts MPC8360E ultimate system.
5. an analog digital table detection method, is characterized in that: comprise the following steps:
S1: arrange and treat simulation based on digital electric energy meter ICD model;
S2: MMS digitalized electrical energy meter information is set;
S3: generate digitalized electrical energy meter external MMS communication example;
Simulation generating electric energy data are communicated with electric energy acquisition terminal based on MMS by S4: by built-in communication server.
6. analog digital table detection method as claimed in claim 5, is characterized in that: described electric energy acquisition terminal carries out communicating by carrying out communication based on DL/T645 stipulations; And send the electric energy data meeting MMS.
CN201510925942.5A 2015-12-14 2015-12-14 Detection device and method of simulation digital meter CN105572624A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806831A (en) * 2010-04-19 2010-08-18 国电南京自动化股份有限公司 Intelligent substation electric energy meter
CN102539971A (en) * 2012-01-04 2012-07-04 天津市电力公司 Electric energy quality monitoring terminal of intelligent substation
CN102998562A (en) * 2012-11-26 2013-03-27 江苏省电力公司电力科学研究院 Power quality monitoring system based on International Electrotechnical Commission (IEC) 61850 communication protocol
CN103812724A (en) * 2013-10-13 2014-05-21 国家电网公司 Communication management device for transformer substation online monitoring system
CN104810923A (en) * 2015-04-23 2015-07-29 江阴长仪集团有限公司 Intelligent power distribution and use integrated terminal based on IEC61850 stipulation
CN204758672U (en) * 2015-06-04 2015-11-11 南京国电南自城乡电网自动化工程有限公司 Digital electric energy meter with ESAM encryption function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101806831A (en) * 2010-04-19 2010-08-18 国电南京自动化股份有限公司 Intelligent substation electric energy meter
CN102539971A (en) * 2012-01-04 2012-07-04 天津市电力公司 Electric energy quality monitoring terminal of intelligent substation
CN102998562A (en) * 2012-11-26 2013-03-27 江苏省电力公司电力科学研究院 Power quality monitoring system based on International Electrotechnical Commission (IEC) 61850 communication protocol
CN103812724A (en) * 2013-10-13 2014-05-21 国家电网公司 Communication management device for transformer substation online monitoring system
CN104810923A (en) * 2015-04-23 2015-07-29 江阴长仪集团有限公司 Intelligent power distribution and use integrated terminal based on IEC61850 stipulation
CN204758672U (en) * 2015-06-04 2015-11-11 南京国电南自城乡电网自动化工程有限公司 Digital electric energy meter with ESAM encryption function

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Application publication date: 20160511

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