CN106019202A - Multi-channel digital standard electric energy meter - Google Patents
Multi-channel digital standard electric energy meter Download PDFInfo
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- CN106019202A CN106019202A CN201610313574.3A CN201610313574A CN106019202A CN 106019202 A CN106019202 A CN 106019202A CN 201610313574 A CN201610313574 A CN 201610313574A CN 106019202 A CN106019202 A CN 106019202A
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- energy meter
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a multi-channel digital standard electric energy meter which is composed of a signal acquisition module, a channel selection module, a signal processing module, an electric energy pulse comparison module, and a signal transmission module. The input end of the signal acquisition module is connected with a signal source, the output end of the signal acquisition module is connected with the channel selection module, the output end of the channel selection module is connected with the input end of the signal processing module, the output end of the signal processing module is connected with one input end of the electric energy pulse comparison module, the other input end of the electric energy pulse comparison module is connected with signals acquired by a detected electric energy meter, the output end of the electric energy pulse comparison module is connected with the input end of the signal transmission module, and the output end of the signal transmission module is used for being connected with a monitoring system. By using the multi-channel digital standard electric energy meter, a running digital electric energy meter can be detected in real time in a digital transformer substation. When there is a data problem, the cause of an accident happening to the digital electric energy meter can be found in a timelier manner. Real-time and accurate electric energy metering is ensured.
Description
Technical field
The invention belongs to electric energy metrical field, especially a kind of multi-channel digital standard electric energy meter.
Background technology
At present, along with developing rapidly of intelligent grid and digitizing technique, digital transformer substation and digitalized electrical energy meter also become electricity
The development trend that can measure.The Site Detection to digital electricity meter in present stage, as tradition electric energy meter, uses numeral electric energy
The digital electricity meter that scene is run by table on-site calibrator is detected by the cycle one by one, can be as the development of intelligent grid,
In transformer station, the detection being broadcast to digital electricity meter on-the-spot of full-scale digital amount brings new development opportunity, due to numeral message
Transmission, make the monitoring in real time that digital electricity meter measures accomplished, and simultaneously as fiber-optic transfer instead of cable transmission,
Make situ metrology more safe and reliable, also make same standard electric energy meter detect many tool digital electricity meters simultaneously and be achieved.
Summary of the invention
In place of it is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of rational in infrastructure, esy to use, safe and reliable,
Carry high efficiency multi-channel digital standard electric energy meter.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of multi-channel digital standard electric energy meter, it is characterised in that: multi-channel digital standard electric energy meter is by signal acquisition module, logical
Road selects module, signal processing module, electrical energy pulse comparison module, signal transmission module composition, the input of signal acquisition module
End connecting signal source, the outfan interface channel of signal acquisition module selects module, and the outfan of channel selecting module connects signal
The input of processing module, the outfan of signal processing module connects an input of electrical energy pulse comparison module, this electric energy arteries and veins
Another input rushing comparison module connects tested table collection signal, and the outfan of electrical energy pulse comparison module connects signal transmission
The input of module, this signal transmission module outfan is used for connection monitoring system.
And, concretely comprise the following steps:
(1) the signal acquisition module of multichannel standard electric energy meter carries out the collection of signal from the data stream meeting stipulations；
(2), after the signal gathered being numbered sequence, enter channel selecting module, in order selector channel；
(3) choose the data of passage, entering signal processing module, digital signal shown in multi-channel digital standard scale,
Including voltage, electric current, power factor etc.；
(4) the pulse needing the digital electricity meter of detection is connected with multi-channel digital standard electric energy meter, corresponding unified signal source
Passage, meter constant is set, carries out the comparison of electrical energy pulse constant afterwards, calculate the error of tested digital electricity meter；
(5) the electric energy meter error that will detect in real time, by signal transmission module, is sent to the monitoring system of transformer station, card electricity
That can measure is the most accurate.
And, signal acquisition module uses optical fiber interface to receive.
And, signal acquisition module carries out the collection of 16 road signals simultaneously.
Advantages of the present invention and good effect be:
By multi-channel digital standard scale, in digital transformer substation, it is achieved run the real-time detection of digital electricity meter, work as data
When going wrong, the accident reason of digitalized electrical energy meter can be found more timely, it is ensured that electric energy metrical in real time accurately.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings and by specific embodiment, and following example are illustrative, no
It is determinate, it is impossible to limit protection scope of the present invention with this.
A kind of multi-channel digital standard electric energy meter, on the basis of existing standard digital electricity meter, changes single channel into multichannel,
Being installed in digital transformer substation, voltage x current passes through combining unit, and side's transmission is to the digital electricity meter run, a side
Transmit at most passage digital standard electric energy meter, the numeral pulse of table is connected with the pulsion phase of standard scale, calculate operation numeral electricity
The Real-time Error of energy table, by its tradition to monitoring system.
See shown in accompanying drawing, multi-channel digital standard electric energy meter by signal acquisition module, channel selecting module, signal processing module,
Electrical energy pulse comparison module, signal transmission module form, the input connecting signal source of signal acquisition module, signal acquisition module
Outfan interface channel select module, the outfan of channel selecting module connects the input of signal processing module, signal processing
The outfan of module connects an input of electrical energy pulse comparison module, and another input of this electrical energy pulse comparison module is even
Connecing tested table and gather signal, the outfan of electrical energy pulse comparison module connects the input of signal transmission module, this signal transmission mould
Block outfan is used for connection monitoring system.
Concretely comprise the following steps:
(1) multichannel standard electric energy meter carries out the collection of signal from the data stream meeting stipulations；
In signal acquisition module, when meeting the data stream of stipulations after combining unit is transmitted out, it is partly into the number of operation
Word electric energy meter, a signal acquisition module entering multichannel standard electric energy meter, multichannel standard electric energy meter uses optical fiber interface to connect
Receive, at most can carry out the collection of 16 road signals simultaneously；
(2), after the signal gathered being numbered sequence, enter channel selecting module, in order selector channel；
(3) choose the data of passage, entering signal processing module, digital signal shown in multi-channel digital standard scale,
Including voltage, electric current, power factor etc.；
(4) the pulse needing the digital electricity meter of detection is connected with multi-channel digital standard electric energy meter, corresponding unified signal source
Passage, meter constant is set, carries out the comparison of electrical energy pulse constant afterwards, calculate the error of tested digital electricity meter；
(5) the electric energy meter error that will detect in real time, by signal transmission module, is sent to the monitoring system of transformer station, card electricity
That can measure is the most accurate.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: not
Departing from the spirit and scope of the present invention, various replacements, to change and modifications be all possible, therefore, and the scope of the present invention not office
It is limited to embodiment and accompanying drawing disclosure of that.
Claims (4)
1. a multi-channel digital standard electric energy meter, it is characterised in that: multi-channel digital standard electric energy meter by signal acquisition module,
Channel selecting module, signal processing module, electrical energy pulse comparison module, signal transmission module form, signal acquisition module defeated
Entering and hold connecting signal source, the outfan interface channel of signal acquisition module selects module, and the outfan of channel selecting module connects letter
The input of number processing module, the outfan of signal processing module connects an input of electrical energy pulse comparison module, this electric energy
Another input of pulse comparison module connects tested table and gathers signal, and the outfan of electrical energy pulse comparison module connects signal and passes
The input of defeated module, this signal transmission module outfan is used for connection monitoring system.
Multi-channel digital standard electric energy meter the most according to claim 1, it is characterised in that: concretely comprise the following steps:
(1) the signal acquisition module of multichannel standard electric energy meter carries out the collection of signal from the data stream meeting stipulations；
(2), after the signal gathered being numbered sequence, enter channel selecting module, in order selector channel；
(3) choose the data of passage, entering signal processing module, digital signal shown in multi-channel digital standard scale,
Including voltage, electric current, power factor etc.；
(4) the pulse needing the digital electricity meter of detection is connected with multi-channel digital standard electric energy meter, corresponding unified signal source
Passage, meter constant is set, carries out the comparison of electrical energy pulse constant afterwards, calculate the error of tested digital electricity meter；
(5) the electric energy meter error that will detect in real time, by signal transmission module, is sent to the monitoring system of transformer station, card electricity
That can measure is the most accurate.
Multi-channel digital standard electric energy meter the most according to claim 1, it is characterised in that: signal acquisition module uses optical fiber
Interface.
Multi-channel digital standard electric energy meter the most according to claim 1, it is characterised in that: signal acquisition module is carried out simultaneously
The collection of 16 road signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313574.3A CN106019202A (en) | 2016-05-12 | 2016-05-12 | Multi-channel digital standard electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313574.3A CN106019202A (en) | 2016-05-12 | 2016-05-12 | Multi-channel digital standard electric energy meter |
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| Publication Number | Publication Date |
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| CN106019202A true CN106019202A (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610313574.3A Pending CN106019202A (en) | 2016-05-12 | 2016-05-12 | Multi-channel digital standard electric energy meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405481A (en) * | 2016-11-11 | 2017-02-15 | 国网冀北电力有限公司电力科学研究院 | Nonlinear-load metering precision measuring method for digital electric energy meter |
| CN107817400A (en) * | 2017-10-23 | 2018-03-20 | 国家电网公司 | A kind of power equipment data processing equipment and method |
| CN109557497A (en) * | 2018-10-25 | 2019-04-02 | 国网天津市电力公司电力科学研究院 | A kind of new digital electric energy meter field real-time detecting system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102053201A (en) * | 2009-10-31 | 2011-05-11 | 郑州三足科技发展有限公司 | Multi-channel field standard electrical energy meter |
| CN202794334U (en) * | 2012-09-21 | 2013-03-13 | 郑州三晖电气股份有限公司 | Wide-range direct current standard electric energy meter |
| CN103901389A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Verifying device and method of analog electric signal electric energy meter, analog electronic signal electric energy meter and digital signal electric energy meter |
| CN103901391A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Novel analog standard meter with digital electric energy meter detection function and detection method |
-
2016
- 2016-05-12 CN CN201610313574.3A patent/CN106019202A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053201A (en) * | 2009-10-31 | 2011-05-11 | 郑州三足科技发展有限公司 | Multi-channel field standard electrical energy meter |
| CN202794334U (en) * | 2012-09-21 | 2013-03-13 | 郑州三晖电气股份有限公司 | Wide-range direct current standard electric energy meter |
| CN103901389A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Verifying device and method of analog electric signal electric energy meter, analog electronic signal electric energy meter and digital signal electric energy meter |
| CN103901391A (en) * | 2014-04-09 | 2014-07-02 | 国家电网公司 | Novel analog standard meter with digital electric energy meter detection function and detection method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405481A (en) * | 2016-11-11 | 2017-02-15 | 国网冀北电力有限公司电力科学研究院 | Nonlinear-load metering precision measuring method for digital electric energy meter |
| CN107817400A (en) * | 2017-10-23 | 2018-03-20 | 国家电网公司 | A kind of power equipment data processing equipment and method |
| CN109557497A (en) * | 2018-10-25 | 2019-04-02 | 国网天津市电力公司电力科学研究院 | A kind of new digital electric energy meter field real-time detecting system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |