CN106443562A - Networked online inspection system for electric energy metering devices - Google Patents
Networked online inspection system for electric energy metering devices Download PDFInfo
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- CN106443562A CN106443562A CN201610877613.2A CN201610877613A CN106443562A CN 106443562 A CN106443562 A CN 106443562A CN 201610877613 A CN201610877613 A CN 201610877613A CN 106443562 A CN106443562 A CN 106443562A
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- 238000007689 inspection Methods 0.000 title claims abstract description 17
- 230000006855 networking Effects 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000003556 assay Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000013480 data collection Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a networked online inspection system for electric energy metering devices. The networked online inspection system comprises data acquisition devices, a data concentration device and a background server, wherein the data acquisition devices and the data concentration device are deployed in an electric meter cabinet of a substation, and the background server is deployed at a metering center; the data acquisition devices are connected with electric energy meters correspondingly, acquire pulse signals of the electric energy meters and voltage U and current I which are connected to the front of the electric energy meters, and send sample value packets to the data concentration device; and the background server is deployed at the metering center and used for receiving time mark carrying information which is sent by the data concentration device, performing electric energy calculation on original voltage and current and comparing with an electric energy value corresponding to the pulse signals so as to realize networked online inspection for the electric energy metering devices. The system disclosed by the invention truly realizes network online inspection for the electric energy metering devices, the front end only requires to deploy the highly-integrated high-precision acquisition devices and the data concentration device, and a standard meter is not required to be installed; and the rear end only requires to deploy the server and does not need a digital or simulated electric energy meter calibration instrument, thereby realizing high-precision acquisition at the front end and networked inspection at the rear end.
Description
Technical field
The invention belongs to test of kilo watthour meter field, more particularly, to one kind are completed by networking online mode in measurement centre
The online checking system of electric power meter networking of electric energy meter field inspection work.
Background technology
Electric power meter be send out, supply, electricity consumption enterprise carries out unique foundation of electric energy trade, the correctness of electric energy metrical
It is directly connected to the interests of user and the economic benefit of electric power enterprise.According to industry standard DL/T448--2000《Electric energy metrical fills
Put technical management code》Requirement, generate electricity online, trans-regional transmission of electricity, transprovincially at least every 3 of transmission of electricity, large user etc. I class electric energy meter
Moon field test is once.
It is continuously increased and talent's intensive management with the continuous expansion of electrical network scale, electric energy meter quantity, traditional management
Pattern is difficult to meet the needs realizing electric energy meter management automation in actual operation gradually, is mainly reflected in following side
Face:
(1) data volume is big, and information exchange is poor, and data easily malfunctions during verification, and workload is larger.
(2) workload is big, working strength is high for artificial cycle inspection, and labor management flow process is lengthy and tedious, the efficiency of management is low.
(3) the desk checking cycle is longer, would become hard to find if electric energy meter breaks down in periodic regime, thus to meter
Expense management causes very big impact.
(4) when staff carries out a series of inspection to electric energy meter, the voltage and current to tested table and mark are needed
Quasi- table is docked accordingly, repeatedly the terminal on metering cabinet is rotated, increasing with number of times, and terminal will go out
Now loosen and the phenomenon such as stripped thread, if can not change in time, it will there is very big potential safety hazard.
(5) field test of electric energy meter has corresponding requirement to the load of circuit, if light load or power factor do not have
There is the requirement reaching regulation, then can not carry out the inspection of meter.
Content of the invention
It is an object of the invention to overcoming one kind that is of the prior art not enough and inventing to pass through networking in measurement centre
Online mode completes electric energy meter field inspection work, and only in the high-accuracy data acquisition that substation field deployment height is integrated
The online checking system of electric power meter networking of device data centralised arrangement.
The technical solution adopted in the present invention is:The online checking system of electric power meter networking, including being deployed in change
Data acquisition unit inside the ammeter screen cabinet of power station, data centralised arrangement and the background server being deployed in measurement centre;
Each data acquisition unit is connected with one piece of electric energy meter, before the pulse signal to electric energy meter and access electric energy meter
Voltage U and electric current I be acquired, and be assigned to time scale information respectively in collection point pulse signals, voltage U and electric current I, then
The voltage collecting U, electric current I and electric energy meter pulse signal are converted into the sampling value message of standard agreement, and to sampled value report
Literary composition enters row cache, then these sampling value messages are sent to data centralised arrangement;
Each number of units has been at least connected with a data acquisition unit according to centralised arrangement, and data centralised arrangement is responsible for receiving data
Harvester send over when target standard Protocol Data, and transmit to background service after these data are compressed
Device;
Background server is deployed in measurement centre, for the transmission of receiving data centralised arrangement through overcompression with markers
Standard Protocol Data, and these data convert are original voltage, electric current and pulse signal, then by original voltage
Carry out electric energy calculating with current signal, and corresponding with pulse signal for calculated energy value energy value is compared, real
Now to the networking of electric power meter in X -ray inspection X.
Described data acquisition unit is furnished with GPS synchronised clock, and GPS synchronised clock carries out time service to data acquisition unit.
Described data acquisition unit is connected by LAN with data centralised arrangement, data centralised arrangement up by optical fiber
It is connected with background server.
Described data acquisition unit passes through RS485 interface copy reading electric energy meter internal information.
Described background server is additionally operable to be stored initial data and assay.
Described data centralised arrangement carries out data prediction first and then is compressed after receiving sampling value message, data is pre-
Process and include Data integrality analysis and mend bag and consider ripple.
Present invention achieves to the networking of electric energy meter in X -ray inspection X, its core concept is front end high precision collecting, rear end
Networkingization is checked, and the high-accuracy data acquisition device at scene will access secondary loop voltage current signal and the electric energy of electric energy meter
The pulse output signals of table carry out Real-time Collection, by high-precision a/d converter convert analog signals into digital signal and by
Exported according to standard agreement, then background server is transferred data to by data network, be deployed in the backstage of measurement centre
Server will with when target information parsed, calculated and processed, by way of networking is in X -ray inspection X, electric energy meter is entered
Performing check.
Compared with prior art, the present invention at least has the advantages that is:
1st, the present invention is truly realized the networking of electric power meter in X -ray inspection X, and it is integrated that front end only needs to deployment height
The high precision collecting device data centralised arrangement changed is it is not necessary to install standard scale;Rear end only need to deployment server it is not necessary to
Digitized or the powermeter verification instrumeter of simulation, realize front end high precision collecting, and back-end networkization is checked.
2nd, present configuration Highgrade integration, and install very simple, after disposable installation, multiple without personnel on site
Binding post on operation measuring screen, greatly reduces work on the spot man-made fault that may be present and potential safety hazard.
3rd, the online checking system of electric power meter networking of the present invention solves field test in every 3 months asking once
Topic, it is not necessary to staff goes to scene to test, decreases workload, substantially increases work efficiency it is achieved that electric energy meter
Lean management.
4th, data acquisition unit is furnished with GPS synchronised clock, and GPS synchronised clock carries out time service to data acquisition unit, realizes
Data syn-chronization so that background server process be with when target precise information.
5th, the background server of the present invention is additionally operable to be stored initial data and assay, carries out be in after being easy to
Now, the work such as analysis and management, provides data to support for follow-up work;By being stored initial data, historical data is long
Phase accumulates, and carries out state estimation and event diagnosis to electric energy meter.
6th, in the present invention data acquisition unit by RS485 interface copy reading electric energy meter internal information so that the present invention has
Meter-reading function, can supplement the deficiency (leakage such as to copy, copy by mistake) of existing kilowatt meter reading-out system, or even substitutes existing kilowatt meter reading-out system.
Brief description
Fig. 1 is the system structure diagram of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the present invention includes being deployed in data acquisition unit inside transformer station's ammeter screen cabinet, fills in data set
Put and be deployed in the background server of measurement centre;
In the present invention, each data acquisition unit is connected with one piece of electric energy meter, the pulse signal to electric energy meter and connecing
Enter the voltage U before electric energy meter and electric current I to be acquired, and when collection point pulse signals, voltage U and electric current I are assigned to respectively
Then the voltage collecting U, electric current I and electric energy meter pulse signal are converted into the sampling value message of standard agreement by mark information, and
Row cache is entered to sampling value message, then these sampling value messages are sent to data centralised arrangement;Data acquisition unit is furnished with GPS
Synchronised clock, GPS synchronised clock carries out time service to data acquisition unit, realize data syn-chronization so that background server process
Be with when target precise information;
Each number of units has been at least connected with a data acquisition unit according to centralised arrangement, and data centralised arrangement is responsible for receiving data
Harvester send over when target standard Protocol Data, carry out data prediction first, data prediction include count
According to integrity analysis and benefit bag and worry ripple, then sampling value message is compressed by data after pretreatment after compression
After transmit to background server;As shown in figure 1, in the present embodiment, data centralised arrangement is connected with three data acquisition units;
Data acquisition unit is connected by LAN with data centralised arrangement, data centralised arrangement up by optical fiber and background server
It is connected;
Background server is deployed in measurement centre, for the transmission of receiving data centralised arrangement through overcompression with markers
Standard Protocol Data, and these data convert are original voltage, electric current and pulse signal, then by original voltage
Carry out electric energy calculating with current signal, and corresponding with pulse signal for calculated energy value energy value is compared, real
Now to the networking of electric power meter in X -ray inspection X;
Meanwhile, the background server of the present invention is additionally operable to be stored initial data and assay, opens after being easy to
Exhibition such as assumes, analyzes and manages at the work, provides data to support for follow-up work;Initial data is stored, by history number
According to long term accumulation, state estimation and event diagnosis can be carried out to electric energy meter.
As the presently preferred embodiments, in the present invention, data acquisition unit passes through RS485 interface copy reading electric energy meter internal information,
Make the present invention have meter-reading function, the deficiency (leakage such as occurring copy, copy by mistake) of existing kilowatt meter reading-out system can be supplemented, or even substitute existing
Some kilowatt meter reading-out systems.
Claims (6)
1. the online checking system of electric power meter networking is it is characterised in that include being deployed in inside transformer station's ammeter screen cabinet
Data acquisition unit, data centralised arrangement and the background server being deployed in measurement centre;
Each data acquisition unit is connected with one piece of electric energy meter, the electricity before the pulse signal to electric energy meter and access electric energy meter
Pressure U and electric current I is acquired, and is assigned to time scale information respectively in collection point pulse signals, voltage U and electric current I, then will adopt
The voltage U, electric current I and the electric energy meter pulse signal that collect are converted into the sampling value message of standard agreement, and sampling value message is entered
Row cache, then these sampling value messages are sent to data centralised arrangement;
Each number of units has been at least connected with a data acquisition unit according to centralised arrangement, and data centralised arrangement is responsible for receiving data collection
Device send over when target standard Protocol Data, and transmit to background server after these data are compressed;
Background server is deployed in measurement centre, for receiving data centralised arrangement send through overcompression with when target mark
Quasi- protocol data, and these data convert are original voltage, electric current and pulse signal, then by original voltage and electricity
Stream signal carries out electric energy calculating, and corresponding with pulse signal for calculated energy value energy value is compared, and it is right to realize
The networking of electric power meter is in X -ray inspection X.
2. the online checking system of electric power meter networking according to claim 1 is it is characterised in that described data is adopted
Acquisition means are furnished with GPS synchronised clock, and GPS synchronised clock carries out time service to data acquisition unit.
3. the online checking system of electric power meter networking according to claim 1 is it is characterised in that described data is adopted
Acquisition means are connected by LAN with data centralised arrangement, and data centralised arrangement is up to be connected with background server by optical fiber.
4. the online checking system of electric power meter networking according to claim 1 is it is characterised in that described data is adopted
Acquisition means pass through RS485 interface copy reading electric energy meter internal information.
5. the online checking system of electric power meter networking according to claim 1 is it is characterised in that described backstage takes
Business device is additionally operable to be stored initial data and assay.
6. the online checking system of electric power meter networking according to claim 1 is it is characterised in that described data set
Middle device carries out data prediction first and then is compressed after receiving sampling value message, data prediction includes data integrity
Analysis and benefit bag and worry ripple.
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CN201610877613.2A CN106443562A (en) | 2016-09-30 | 2016-09-30 | Networked online inspection system for electric energy metering devices |
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CN201610877613.2A CN106443562A (en) | 2016-09-30 | 2016-09-30 | Networked online inspection system for electric energy metering devices |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908753A (en) * | 2017-03-28 | 2017-06-30 | 云南电网有限责任公司大理供电局 | A kind of Watt-hour meter's field test device and safe data cloud storage system based on the Internet transmission data |
CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
CN110555983A (en) * | 2019-09-09 | 2019-12-10 | 云南省能源研究院有限公司 | Electric quantity data sampling method based on quasi-synchronous sampling |
WO2021004197A1 (en) * | 2019-07-05 | 2021-01-14 | 江苏金恒信息科技股份有限公司 | Method and device for checking electric energy data, and system |
CN112485754A (en) * | 2020-12-14 | 2021-03-12 | 深圳供电局有限公司 | Detection method and device of electric energy metering device, computer equipment and storage medium |
CN112965022A (en) * | 2019-12-12 | 2021-06-15 | 北京京人电器有限公司 | Electric energy meter box |
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CN105301552A (en) * | 2015-11-11 | 2016-02-03 | 千江(上海)信息科技有限公司 | Electric energy metering device online verification system |
CN205067716U (en) * | 2015-08-31 | 2016-03-02 | 千江(上海)信息科技有限公司 | Online calibration system of electric energy meter |
CN106199485A (en) * | 2016-06-22 | 2016-12-07 | 国网宁夏电力公司电力科学研究院 | High-voltage electric energy meter remote online check system |
CN206074795U (en) * | 2016-09-30 | 2017-04-05 | 千江(上海)信息科技有限公司 | The online checking system of electric power meter networking |
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2016
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Patent Citations (4)
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CN205067716U (en) * | 2015-08-31 | 2016-03-02 | 千江(上海)信息科技有限公司 | Online calibration system of electric energy meter |
CN105301552A (en) * | 2015-11-11 | 2016-02-03 | 千江(上海)信息科技有限公司 | Electric energy metering device online verification system |
CN106199485A (en) * | 2016-06-22 | 2016-12-07 | 国网宁夏电力公司电力科学研究院 | High-voltage electric energy meter remote online check system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908753A (en) * | 2017-03-28 | 2017-06-30 | 云南电网有限责任公司大理供电局 | A kind of Watt-hour meter's field test device and safe data cloud storage system based on the Internet transmission data |
CN109061547A (en) * | 2018-10-09 | 2018-12-21 | 国网河南省电力公司电力科学研究院 | A kind of full-time inspection on-line monitoring system of gate energy meter |
WO2021004197A1 (en) * | 2019-07-05 | 2021-01-14 | 江苏金恒信息科技股份有限公司 | Method and device for checking electric energy data, and system |
CN110555983A (en) * | 2019-09-09 | 2019-12-10 | 云南省能源研究院有限公司 | Electric quantity data sampling method based on quasi-synchronous sampling |
CN112965022A (en) * | 2019-12-12 | 2021-06-15 | 北京京人电器有限公司 | Electric energy meter box |
CN112485754A (en) * | 2020-12-14 | 2021-03-12 | 深圳供电局有限公司 | Detection method and device of electric energy metering device, computer equipment and storage medium |
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Effective date of registration: 20190726 Address after: 710065 West Electronic Community A Block C 309, 181 Taibai South Road, Xi'an High-tech Zone, Shaanxi Province Applicant after: QIANYUE (XI'AN) INFORMATION TECHNOLOGY Co.,Ltd. Address before: Jinshan District Fengjing town Shanghai City 38 201500 Cao Lilu Lane 19, room 1295 Applicant before: QIANJIANG (SHANGHAI) INFORMATION TECHNOLOGY CO.,LTD. |
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Application publication date: 20170222 |