CN106405478A - Remote on-line detection and fault analysis system for electronic type electric energy meter - Google Patents
Remote on-line detection and fault analysis system for electronic type electric energy meter Download PDFInfo
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- CN106405478A CN106405478A CN201610901717.2A CN201610901717A CN106405478A CN 106405478 A CN106405478 A CN 106405478A CN 201610901717 A CN201610901717 A CN 201610901717A CN 106405478 A CN106405478 A CN 106405478A
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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
Abstract
The present invention provides a remote on-line detection and fault analysis system for an electronic type electric energy meter. The remote on-line detection and fault analysis system comprises a field terminal and a remote automatic detection master station; the field terminal includes a master control chip, a metering chip, a signal access board card, a first electric energy meter access board card, a second electric energy meter access board card and a communication board card; the signal access board card is provided with a voltage and current measurement interface and is connected with the metering chip and the master control chip; the first electric energy meter access board card is provided with an electric energy meter pulse interface and is connected with the metering chip and the second electric energy meter access board card which is provided with an electric energy meter communication interface; the master control chip is connected with the second electric energy meter access board card, the metering chip and the communication board card; and the communication board card is provided with an optical fiber and/or a 4G network interface connected with the master station. The remote on-line detection and fault analysis system for the electronic type electric energy meter of the invention is simple in structure. With the remote on-line detection and fault analysis system for the electronic type electric energy meter adopted, the remote on-line detection and fault analysis of the electronic type electric energy meter can be realized, and time synchronization with electric energy metering pulses outputted with an electronic type electric energy meter to be tested can be realized, fault analysis and warning can be also realized.
Description
Technical field
The present invention relates to Electric Energy Metering Technology field, more particularly, to a kind of electronic electric energy meter remote online detection and fault
Analysis system.
Background technology
Build under overall background in intelligent grid, for guaranteeing the fair, just and open of electric energy metrical it is necessary to operating
Electronic electric energy meter is periodically detected and is safeguarded, but electronic electric energy meter is arranged at load and critical point, is related to a multiaspect
Wide and quantity is big, huge with the workload that traditional cycle routine inspection mode carries out live O＆M, cause Utilities Electric Co. metering O＆M people
Power is difficult to tackle.
With the fast development of Automation of Electric Systems, intellectuality, computer technology and digital communication technology, power supply enterprise
Already constructed electric energy measurement automation system, but existing electric energy measurement automation system did not still possess to electronic watt-hour
Table carries out the function of remote online detection, simultaneously because the on-site terminal self performance in electric energy measurement automation system is unstable
Fixed, state cannot be monitored, and not only accuracy is low to lead to existing electric energy measurement automation system abnormality alarming, and enormous amount,
Power supply management department is caused to be difficult to judge all events, the authenticity of fault warning information and accuracy accurately and in time, more no
Method carries out depth analysis to wherein substantial amounts of event of misrepresenting deliberately.Accordingly, it would be desirable to research electronic electric energy meter remote online detection and event
Barrier analytical technology, the monitoring including on-site terminal oneself state and the method for performance evaluation, and make it as early as possible in electronic watt-hour
It is applied in the detection of table remote online and O＆M.
It has been disclosed that a kind of long-range check and monitoring system in prior art（Hao Junfeng, electric energy metrical
The research [D] of device remote verification and monitoring system, North China Electric Power University, 2012）, this system is by field electric energy table intelligence school
Test instrument, field control technology, field control main frame, monitoring network, monitoring host computer etc. to constitute, this system adopts field electric energy table intelligence
Tester can pass through to verify selecting module connection multiple stage electric energy meter, but be only applicable to detect the electric energy meter being in same bus section, busbar section,
And volume larger, costly and system architecture complicated it is impossible to be applied to Large scale construction, this system does not possess itself shape simultaneously
State monitoring function, may cause the inaccurate of testing result because itself service behaviour is unstable.
Additionally, also disclosing Application No. 201520488110.7, a kind of entitled Watthour meter remote is supervised automatically
Survey check system utility model patent, due to this system embed standard electric energy meter, increased cost it is impossible to electronic type to be checked
The electric energy metrical pulse of electric energy meter output realizes synchronization and accident analysis and the warning of time.
Therefore, need a kind of electronic electric energy meter remote online detection and trouble analysis system badly, be not only simple in structure, realize
The detection of electronic electric energy meter remote online and fault diagnosis, and real with the electric energy metrical pulse of electronic electric energy meter to be checked output
Synchronization between current and accident analysis and warning.
Content of the invention
Embodiment of the present invention technical problem to be solved is, provide a kind of detection of electronic electric energy meter remote online with
Trouble analysis system, is not only simple in structure, realize electronic electric energy meter remote online detection and fault diagnosis, and with electricity to be checked
The electric energy metrical pulse of minor electric energy meter output realizes synchronization and accident analysis and the warning of time.
In order to solve above-mentioned technical problem, embodiments provide a kind of detection of electronic electric energy meter remote online with
Trouble analysis system, described electronic electric energy meter remote online detection and trouble analysis system are included for collection in worksite electrical network electricity
Piezoelectricity flow data and receive the electronic electric energy meter to be checked electrical energy pulse being sent and the on-site terminal of realizing time synchronized and
For receiving described line voltage current data and electrical energy pulse that electronic electric energy meter to be checked is sent carrying out at data
Reason, realizes the remote automation to described electronic electric energy meter remote detection to be checked and detects main website；Wherein,
Described on-site terminal includes main control chip, computation chip, signal accesses board, electric energy meter first accesses board, electric energy meter
Second accesses board and communication card；Wherein,
Described signal access board first end be provided with the voltage transformer being connected to measure line voltage current data and/
Or the voltage and current measurement interface of current transformer, the second end is connected with the first end of described computation chip, the 3rd end with described
The first end of main control chip is connected；
The first end that described electric energy meter first accesses board is provided with the electric energy meter pulse connecting described electronic electric energy meter to be checked
Interface, the second end is connected with the second end of described computation chip, and the 3rd end is connected with the second end of described main control chip, the 4th end
The first end accessing board with described electric energy meter second is connected；
The second end that described electric energy meter second accesses board is provided with the electric energy meter communication connecting described electronic electric energy meter to be checked
Interface, the 3rd end is connected with the 3rd end of described main control chip；
4th end of described main control chip is connected with the 3rd end of described computation chip, the 5th end and the first of described communication card
End is connected；
Second end of described communication card is provided with and connects optical fiber interface and/or the 4G network that described remote automation detects main website
Interface.
Wherein, it is to be checked with described that the electric energy meter pulse interface that described electric energy meter first accesses on board passes through pulse test line
Electronic electric energy meter connects realizes pulse data reception, and the electric energy meter communication interface that described electric energy meter second accesses on board is led to
Cross RS-485 bus and be connected realization communication with described electronic electric energy meter to be checked.
Implement the embodiment of the present invention, have the advantages that：
1st, the electronic electric energy meter remote online detection in the embodiment of the present invention and trouble analysis system are to electronic watt-hour to be checked
When table is detected, the line voltage current data that the signal access board of on-site terminal is collected is carried out in computation chip
After electric energy metrical, board is accessed by electric energy meter first and is converted into pulse signal, this pulse signal is simultaneously electric with the same time period
The electrical energy impulse signals that electronic electric energy meter to be checked received by energy table first access board sends are contrasted, thus realizing
The Synchronization Control of above-mentioned two pulse signal, simultaneously main control chip electricity calculating is carried out to above-mentioned two pulse signal, and will count
Calculation result is sent to remote automation detection main website and is analyzed and processes, thus realizing long-range to tested electronic electric energy meter
Detection；
2nd, the electronic electric energy meter remote online detection in the embodiment of the present invention and trouble analysis system are to electronic watt-hour to be checked
When table is detected, the line voltage electric current that the signal access board of on-site terminal is collected directly is accessed with electric energy meter first
Result of calculation in main control chip for the electrical energy impulse signals that electronic electric energy meter to be checked received by board sends is carried out point
Analysis and comparison, thus realize the diagnosis to electronic electric energy meter to be checked and transformer fault and alarm.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, according to
These accompanying drawings obtain other accompanying drawings and still fall within scope of the invention.
Fig. 1 is the system knot of electronic electric energy meter remote online detection provided in an embodiment of the present invention and trouble analysis system
Structure schematic diagram.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made into one
Step ground describes in detail.
As shown in figure 1, for, in the embodiment of the present invention, a kind of electronic electric energy meter remote online detection of proposition is divided with fault
Analysis system, the detection of this electronic electric energy meter remote online is included for collection in worksite line voltage electric current number with trouble analysis system
According to this and receive the electronic electric energy meter to be checked electrical energy pulse being sent and the on-site terminal 1 of realizing time synchronized and be used for receiving
Electrical energy pulse that line voltage current data and electronic electric energy meter to be checked are sent simultaneously carries out data processing, realizes to be checked
The remote automation detection main website 2 of electronic electric energy meter remote detection；Wherein,
On-site terminal 1 includes main control chip 11, computation chip 12, signal accesses board 13, electric energy meter first accesses board 14, electricity
Board 15 and communication card 16 can be accessed by table second；Wherein,
Signal access board 13 first end a1 be provided be connected to measure line voltage current data voltage transformer and/
Or the voltage and current measurement interface T1 of current transformer, the second end a2 is connected with first end b1 of computation chip 12, the 3rd end a3
It is connected with first end d1 of main control chip 11, this signal accesses board 13 and is used for gathering line voltage current signal goes forward side by side line number mould
Conversion；
First end c1 that electric energy meter first accesses board 14 is provided with the electric energy meter pulse interface connecting electronic electric energy meter to be checked
T2, the second end c2 are connected with the second end b2 of computation chip 12, and the 3rd end is connected with the second end d2 of main control chip 11, the 4th end
First end e1 that c4 accesses board 15 with electric energy meter second is connected, and this electric energy meter first accesses board 14 and is used for receiving electronics to be checked
Computation chip 12 is calculated according to gathered line voltage current data by the electrical energy impulse signals that formula electric energy meter sends simultaneously
Electric energy measurement is converted into corresponding pulse signal, so that main control chip 11 realizes the synchronization control to above-mentioned two pulse signal
System, thus meet the demand to electronic electric energy meter remote detection to be checked；
The second end e2 that electric energy meter second accesses board 15 is provided with the electric energy meter communication interface connecting electronic electric energy meter to be checked
T3, the 3rd end e3 is connected with the 3rd end d3 of main control chip 11, and this electric energy meter second accesses board 15 and is used for realizing electronics to be checked
Formula electric energy meter and the synchronous communication of on-site terminal；
4th end d4 of main control chip 11 is connected with the 3rd end b3 of computation chip 12, the 5th end d5 and the first of communication card 16
End f1 is connected；
Second end f2 of communication card 16 is provided with the optical fiber interface connecting remote automation detection main website 2 and/or 4G network connects
Mouth T4, for believing main control chip 11 by the data of direct process line voltage current signal or the line voltage electric current processing
Number it is sent to remote automation detection main website 2 with the pulse signal correction data of electronic electric energy meter to be checked.
In one embodiment, the electric energy meter pulse interface T2 that electric energy meter first accesses on board 14 passes through pulse test line
It is connected with electronic electric energy meter to be checked and realizes pulse data reception, and the electric energy meter communication that electric energy meter second accesses on board 15 connects
Mouth T3 is connected realization communication by RS-485 bus with electronic electric energy meter to be checked, and the voltage x current that signal accesses on board 13 is surveyed
Amount interface T1 passes through cable and realizes connecting with voltage transformer and/or current transformer.
Electronic electric energy meter remote online detection in the embodiment of the present invention and the operation principle of trouble analysis system are：Right
When electronic electric energy meter to be checked is detected, the signal of on-site terminal 1 accesses the line voltage electric current number that board 13 is collected
After carrying out electric energy metrical in computation chip 12, board 14 is accessed by electric energy meter first and is converted into pulse signal, this pulse
Signal simultaneously accesses, with electric energy meter first in the same time period, the electric energy that the electronic electric energy meter to be checked received by board 14 sends
Pulse signal is contrasted, thus realizing the Synchronization Control of above-mentioned two pulse signal, main control chip 11 is to above-mentioned two simultaneously
Pulse signal carries out electricity calculating, and result of calculation is sent to remote automation detection main website 2 is analyzed and processes, thus
Realize the remote detection to tested electronic electric energy meter；
Meanwhile, when electronic electric energy meter to be checked being detected, the signal of on-site terminal 1 accesses the electrical network that board 13 is collected
Voltage x current is directly and electric energy meter first accesses the electrical energy pulse letter that the electronic electric energy meter to be checked received by board 14 sends
Result of calculation number in main control chip 11 is analyzed and compares, thus realizing to electronic electric energy meter to be checked and transformer
The diagnosis of fault and alarm.
Implement the embodiment of the present invention, have the advantages that：
1st, the electronic electric energy meter remote online detection in the embodiment of the present invention and trouble analysis system are to electronic watt-hour to be checked
When table is detected, the line voltage current data that the signal access board of on-site terminal is collected is carried out in computation chip
After electric energy metrical, board is accessed by electric energy meter first and is converted into pulse signal, this pulse signal is simultaneously electric with the same time period
The electrical energy impulse signals that electronic electric energy meter to be checked received by energy table first access board sends are contrasted, thus realizing
The Synchronization Control of above-mentioned two pulse signal, simultaneously main control chip electricity calculating is carried out to above-mentioned two pulse signal, and will count
Calculation result is sent to remote automation detection main website and is analyzed and processes, thus realizing long-range to tested electronic electric energy meter
Detection；
2nd, the electronic electric energy meter remote online detection in the embodiment of the present invention and trouble analysis system are to electronic watt-hour to be checked
When table is detected, the line voltage electric current that the signal access board of on-site terminal is collected directly is accessed with electric energy meter first
Result of calculation in main control chip for the electrical energy impulse signals that electronic electric energy meter to be checked received by board sends is carried out point
Analysis and comparison, thus realize the diagnosis to electronic electric energy meter to be checked and transformer fault and alarm.
Above disclosed be only present pre-ferred embodiments, certainly the right model of the present invention can not be limited with this
Enclose, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (2)
1. a kind of detection of electronic electric energy meter remote online with trouble analysis system it is characterised in that described electronic electric energy meter
Remote online detection and trouble analysis system include for collection in worksite line voltage current data and receive electronic type to be checked
Electrical energy pulse that electric energy meter is sent simultaneously realizes the on-site terminal of time synchronized（1）With for receiving described line voltage electric current number
According to this and the electrical energy pulse that sent of electronic electric energy meter to be checked carry out data processing, realize to described electronic watt-hour to be checked
The remote automation detection main website of table remote detection（2）；Wherein,
Described on-site terminal（1）Including main control chip（11）, computation chip（12）, signal access board（13）, electric energy meter first
Access board（14）, electric energy meter second access board（15）And communication card（16）；Wherein,
Described signal accesses board（13）First end be provided be connected to measure line voltage current data mutual induction of voltage
The voltage and current measurement interface of device and/or current transformer, the second end and described computation chip（12）First end be connected, the 3rd
End and described main control chip（11）First end be connected；
Described electric energy meter first accesses board（14）First end be provided with the electric energy meter connecting described electronic electric energy meter to be checked
Pulse interface, the second end and described computation chip（12）The second end be connected, the 3rd end and described main control chip（11）Second
End is connected, and board is accessed with described electric energy meter second in the 4th end（15）First end be connected；
Described electric energy meter second accesses board（15）The second end be provided with the electric energy meter connecting described electronic electric energy meter to be checked
Communication interface, the 3rd end and described main control chip（11）The 3rd end be connected；
Described main control chip（11）The 4th end and described computation chip（12）The 3rd end be connected, the 5th end and described communication board
Card（16）First end be connected；
Described communication card（16）The second end be provided with the described remote automation of connection and detect main website（2）Optical fiber interface and/
Or 4G network interface.
2. electronic electric energy meter remote online as claimed in claim 1 detection with trouble analysis system it is characterised in that described
Electric energy meter first accesses board（14）On electric energy meter pulse interface pass through pulse test line and described electronic electric energy meter to be checked
Connect and realize pulse data reception, and described electric energy meter second accesses board（15）On electric energy meter communication interface pass through RS-485
Bus is connected realization communication with described electronic electric energy meter to be checked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610901717.2A CN106405478A (en) | 2016-10-14 | 2016-10-14 | Remote on-line detection and fault analysis system for electronic type electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610901717.2A CN106405478A (en) | 2016-10-14 | 2016-10-14 | Remote on-line detection and fault analysis system for electronic type electric energy meter |
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| CN201610901717.2A Pending CN106405478A (en) | 2016-10-14 | 2016-10-14 | Remote on-line detection and fault analysis system for electronic type electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089991A (en) * | 2020-02-10 | 2020-05-01 | 华立科技股份有限公司 | Electric energy metering method and device and electric energy meter |
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- 2016-10-14 CN CN201610901717.2A patent/CN106405478A/en active Pending
Patent Citations (5)
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| CN102135608A (en) * | 2011-01-29 | 2011-07-27 | 四川电力科学研究院 | Electric energy metering and monitoring system of intelligent gateway |
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Application publication date: 20170215 |