CN106569166A - Testing method for legal metering part of double-core electric energy meter - Google Patents
Testing method for legal metering part of double-core electric energy meter Download PDFInfo
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- CN106569166A CN106569166A CN201610902022.6A CN201610902022A CN106569166A CN 106569166 A CN106569166 A CN 106569166A CN 201610902022 A CN201610902022 A CN 201610902022A CN 106569166 A CN106569166 A CN 106569166A
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- electric energy
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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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Abstract
The invention relates to a technical field, and especially relates to a testing method for a legal metering part of a double-core electric energy meter. The method comprises the steps that a detection table body receives an instruction of a PC, and outputs a signal to a detected electric energy meter; the detection table body obtains the metering data of the legal metering part of the detected electric energy meter under a plurality of testing conditions, and calculates error data according to metering data; the PC stores the error data, and carries out the fitting of an error curve according to the error data; the PC compares the error curve with a calibration standard, and obtains a comparison result. Because the detection table body calculates error data according to metering data, the PC stores the error data, and carries out the fitting of the error curve according to the error data, compares the error curve with the calibration standard, and obtains the comparison result. The method can detect the accuracy of independent operation of the legal metering part of the detected electric energy meter under the interference of various types of testing conditions.
Description
Technical field
The present invention relates to technical field, more particularly to a kind of method of testing in twin-core electric energy meter legality measurement portion.
Background technology
At present, China's electric energy meter is designed for integral type, i.e., metering section and non-metering part are not done autonomous working and required.This
Plant electric energy meter software and hardware is required to compare solidification, once there is hardware or software failure, the side for changing whole table can only be taken
Formula is carried out to ensure electric-power metering everything goes well with your work.And for preventing from distorting the security consideration of electric energy list procedure, do not allow electric energy meter
On-line software updating.And in the following electricity market full of competition, different sale of electricity main bodys are examined for pursuit benefit's
Consider, many rate electricity price day Time segments division strategies of formulation have more specific aim, multiformity and real-time.But this to prior art one
The electric energy meter of body formula design proposes stern challenge.How meter can be realized again while metering accuracy and reliability is ensured
The renewal or optimization of amount charging way, is current urgent problem.It is right simultaneously with the progressively infiltration of Consumer's Experience idea
The functional requirement of electric energy meter is also more and more, and if want to extend upgrade function at present, the mode for installing new table can only be taken to carry out reality
It is existing, the waste of resource is not only caused, and also add manpower and materials cost.
But IR46 standards require that electric energy meter electronic equipment is separate with components apart function of measuring and other functions, pipe
Reason partial software online upgrading does not affect the Stability and veracity of metering section.Twin-core electric energy meter based on IR46 standards will
Become the developing direction of Science in Future in China electric energy meter.Twin-core electric energy meter requires that legality measurement part and administrative section separate, that is, measure
Core can work independently with management core, and legality measurement part.So, metering core can't be affected during electric energy meter online upgrading
Normal work, without the need for installing new table.
In order to ensure the quality of twin-core electric energy meter, electric energy meter needed the independence to its legality measurement part before dispatching from the factory
Tested, therefore, it is badly in need of the method for testing that a kind of twin-core electric energy meter legality measurement part works independently occur.
The content of the invention
In order to overcome the problems referred to above, the present invention to provide a kind of method of testing in twin-core electric energy meter legality measurement portion, the method
Can test whether twin-core electric energy meter legality measurement portion can work independently.
It is that the present invention provides a kind of method of testing in twin-core electric energy meter legality measurement portion to be included up to above-mentioned advantage：Check-out console
Body obtains in real time the continuous data in the legality measurement portion of tested electric energy meter under several test condition, and inspection stage body is according to stoichiometric number
According to calculate error information, including：PC stored error data and according to error information obtain curve of error；PC is by error
Curve is compared with standard verification, obtains comparative result.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, the test condition bag
Include：Tested electric energy meter multichannel communicates simultaneously, the upgrading of tested electric energy meter software, parameter setting, tested is carried out to tested electric energy meter
Electric energy meter zeros data；To one or more in management department's frequent recovery, the external disturbance of tested electric energy meter.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, the external disturbance bag
Include：In simulation working power failure, peripheral circuit pin short circuit or open fault, tested electric energy meter normal course of operation to quilt
Survey electric energy meter carries out one or more in module replacing.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, described inspection stage body
The continuous data in the legality measurement portion of tested electric energy meter under several test condition is obtained in real time, and inspection stage body is according to continuous data
The error information of calculating, including：Electric quantity metering to checking stage body to be sent to tested electric energy meter obtains output data a；Inspection stage body
Receive the electric quantity data b of tested electric energy meter；Inspection stage body calculate a and b difference as error information.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, described inspection stage body
The continuous data in the legality measurement portion of tested electric energy meter under several test condition is obtained in real time, and inspection stage body is according to continuous data
The error information of calculating, including：Electric quantity metering to checking stage body to be sent to tested electric energy meter obtains output data a；Inspection stage body
Receive the electric quantity data b of tested electric energy meter；Inspection stage body calculate a and b ratio as error information.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, the legality measurement portion
Including computation chip, metering MCU, RS485 interfaces, battery, clock chip and memorizer.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, the tested electric energy meter
Electrically connected with described PC by RS485 lines.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, the computation chip leads to
Cross SPI lines to electrically connect with the metering MCU.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, receive in inspection stage body
The instruction of PC is to the tested electric energy meter zeros data of tested electric energy meter output signal as described before.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, described PC and institute
Control test stage body is stated while testing multiple tested electric energy meters.
Because present invention inspection stage body obtains in real time the meter in the legality measurement portion of tested electric energy meter under several test condition
Amount data, according to the error information for calculating legal system measurement unit；PC stored error data and according to error information obtain error
Curve；PC is compared curve of error with standard verification, obtains comparative result.Tested electric energy meter can be measured in different surveys
The accuracy that tested electric energy meter legality measurement portion works independently under the interference of strip part.
Description of the drawings
Fig. 1 is the schematic diagram of the tested electric energy meter of the present invention.
Fig. 2 is the schematic diagram of the synchronous testing device of the present invention.
Fig. 3 is the flow chart of the method for testing in first embodiment of the invention twin-core electric energy meter legality measurement portion.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to proposing specific embodiment, structure, feature and its effect according to the present invention, describe in detail as after.
Referring to the tested electric energy meter of the method for testing in the twin-core electric energy meter legality measurement portion of Fig. 1 present invention includes legal system meter
Amount portion and management department.
Legality measurement portion includes computation chip, metering MCU, RS485 interfaces, battery, clock chip and memorizer.Metering core
Piece is electrically connected by SPI lines with metering MCU.Tested electric energy meter is electrically connected by RS485 interfaces and battery with metering MCU.Clock
Chip and memorizer are electrically connected with metering MCU.Management department includes management MCU, and metering MCU is electric with management MCU by standard interface
Connection.Tested electric energy meter is electrically connected by RS485 lines with described PC.
PC obtains legal system electric quantity data by legal system portion RS485 serial ports, by managing core RS485 serial ports, infrared, carrier wave
Management department's electric quantity data is obtained etc. mode.
Fig. 3 is the flow chart of the method for testing in first embodiment of the invention twin-core electric energy meter legality measurement portion.Refer to figure
3, the method for testing in the twin-core electric energy meter legality measurement portion of the present embodiment includes：
S1, inspection stage body receive the instruction of PC to tested electric energy meter output signal；
S2, inspection stage body obtain in real time the continuous data in the legality measurement portion of tested electric energy meter under several test condition,
The error information that inspection stage body is calculated according to continuous data；
S3, PC stored error data and according to error information fit error curve；
S4, PC are compared curve of error and standard verification, obtain comparative result.
Test condition includes：Tested electric energy meter multichannel communicates simultaneously, the upgrading of tested electric energy meter software, to tested electric energy meter
Carry out parameter setting, tested electric energy meter zeros data；To the one kind in management department's frequent recovery, the external disturbance of tested electric energy meter
Or it is several.External disturbance includes：Simulation working power failure, peripheral circuit pin short circuit or open fault, tested electric energy meter are just
Often in running to tested electric energy meter carry out in module replacing one or more.
Inspection stage body obtains in real time the continuous data of tested electric energy meter under several test condition, calculates tested electric energy meter
Error information includes：Electric quantity metering to checking stage body to be sent to tested electric energy meter obtains output data a；Inspection stage body receives tested
The electric quantity data b of electric energy meter；Inspection stage body calculate a and b difference as error information.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, inspection stage body is obtained in real time
The continuous data of tested electric energy meter under several test condition is taken, calculating the error information of tested electric energy meter includes：To check-out console
Body is sent to the electric quantity metering of tested electric energy meter and obtains output data a；Inspection stage body receives the electric quantity data b of tested electric energy meter；Inspection
Test stage body calculate a and b ratio as error information.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, receive in inspection stage body
The instruction of PC is to the tested electric energy meter zeros data of tested electric energy meter output signal as described before.
In one embodiment of the method for testing in the twin-core electric energy meter legality measurement portion of the present invention, described PC and institute
Control test stage body is stated while testing multiple tested electric energy meters.Every ammeter is all that independent test is independent of each other, can be with
Multiple ammeters how much are arranged to test simultaneously simultaneously according to stage body epi-position.
To sum up, the present invention at least has the following advantages that:
Because the inspection stage body in the method for testing in the twin-core electric energy meter legality measurement portion of the present invention calculates in real time tested electricity
The error information of energy table；The error information of the inspection stage body that PC reads in real time is simultaneously recorded, and is fitted to curve of error；PC and inspection
Test stage body to the different test conditions of tested electric energy meter output；So, tested electric energy meter can just be measured in different test conditions
Interference under the accuracy that works independently of tested electric energy meter legality measurement portion.Thus, just can ensure that the electric energy meter for dispatching from the factory is conjunction
Lattice product.
More than, only it is presently preferred embodiments of the present invention, any pro forma restriction is not made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any those skilled in the art,
In the range of technical solution of the present invention, when making a little change using the technology contents of the disclosure above or be modified to equivalent
The Equivalent embodiments of change, as long as being that, without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent variations and modification that example is made are applied, is still fallen within the range of technical solution of the present invention.
Claims (10)
1. a kind of method of testing in twin-core electric energy meter legality measurement portion, it is characterised in that include：
Inspection stage body receives the instruction of PC to tested electric energy meter output signal；
Inspection stage body obtains in real time the continuous data in the legality measurement portion of tested electric energy meter under several test condition, checks stage body
According to continuous data calculation error data；
PC stored error data and according to error information fit error curve；
PC is compared curve of error with standard verification, obtains comparative result.
2. the method for testing in twin-core electric energy meter legality measurement portion according to claim 1 is characterized in that, the test strip
Part includes one or more in following conditions：Tested electric energy meter multichannel communicates simultaneously, the upgrading of tested electric energy meter software, to quilt
Surveying electric energy meter carries out parameter setting, tested electric energy meter zeros data；Management department's frequent recovery, outside to tested electric energy meter is dry
Disturb.
3. the method for testing in twin-core electric energy meter legality measurement portion according to claim 2 is characterized in that, the outside is dry
Disturb including one or more following：Simulation working power failure, peripheral circuit pin short circuit or open fault, tested electric energy meter
In normal course of operation to tested electric energy meter carry out module replacing.
4. the method for testing in twin-core electric energy meter legality measurement portion according to claim 1 is characterized in that, described inspection
Stage body obtains in real time the continuous data in the legality measurement portion of tested electric energy meter under several test condition, and inspection stage body is according to metering
The error information that data are calculated, including：
Electric quantity metering to checking stage body to be sent to tested electric energy meter obtains output data a；
Inspection stage body receives the electric quantity data b of tested electric energy meter；
Inspection stage body calculate a and b difference as error information.
5. the method for testing in twin-core electric energy meter legality measurement portion according to claim 1 is characterized in that, described inspection
Stage body obtains in real time the continuous data in the legality measurement portion of tested electric energy meter under several test condition, and inspection stage body is according to metering
The error information that data are calculated, including：
Electric quantity metering to checking stage body to be sent to tested electric energy meter obtains output data a；
Inspection stage body receives the electric quantity data b of tested electric energy meter；
Inspection stage body calculate a and b ratio as error information.
6. according to the method for testing in the arbitrary described twin-core electric energy meter legality measurement portion of claim 1-5 characterized in that, described
Legality measurement portion includes computation chip, metering MCU, RS485 interfaces, battery, clock chip and memorizer.
7. the method for testing in twin-core electric energy meter legality measurement portion according to claim 6 is characterized in that, the tested electricity
Energy table is electrically connected by RS485 lines with described PC.
8. the method for testing in twin-core electric energy meter legality measurement portion according to claim 6 is characterized in that, the metering core
Piece is electrically connected by SPI lines with the metering MCU.
9. the method for testing in twin-core electric energy meter legality measurement portion according to claim 1 is characterized in that, in inspection stage body
The instruction of PC is received to the tested electric energy meter zeros data of tested electric energy meter output signal as described before.
10. the method for testing in twin-core electric energy meter legality measurement portion according to claim 1 is characterized in that, described PC
With the control test stage body multiple tested electric energy meters are tested simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610902022.6A CN106569166B (en) | 2016-10-17 | 2016-10-17 | A kind of test method in twin-core electric energy meter legality measurement portion |
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| CN201610902022.6A CN106569166B (en) | 2016-10-17 | 2016-10-17 | A kind of test method in twin-core electric energy meter legality measurement portion |
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| CN106569166B CN106569166B (en) | 2019-08-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505588A (en) * | 2017-08-08 | 2017-12-22 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter combines error testing method and system |
| CN108445436A (en) * | 2018-03-01 | 2018-08-24 | 宁波迦南智能电气股份有限公司 | A kind of electric energy meter that twin-core operating status is mutually examined |
| CN112098924A (en) * | 2020-11-04 | 2020-12-18 | 南方电网数字电网研究院有限公司 | Interactive function testing method and device based on double-core intelligent electric meter |
| CN112858993A (en) * | 2021-02-20 | 2021-05-28 | 南方电网数字电网研究院有限公司 | Double-core electric energy meter test system |
| CN112994964A (en) * | 2019-12-16 | 2021-06-18 | 浙江正泰仪器仪表有限责任公司 | Intelligent electric meter double-core communication simulation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900801A (en) * | 2010-07-15 | 2010-12-01 | 田卫华 | Intelligent electric energy meter field test device and test method thereof |
| CN103698735A (en) * | 2013-10-30 | 2014-04-02 | 国家电网公司 | Electric energy meter harmonic test device and method thereof |
| CN104020437A (en) * | 2014-06-21 | 2014-09-03 | 宁波三星电气股份有限公司 | Electric energy meter correction method |
| CN105116369A (en) * | 2015-09-09 | 2015-12-02 | 国网冀北电力有限公司电力科学研究院 | Radio frequency radiation disturbance rejection degree test apparatus and system |
-
2016
- 2016-10-17 CN CN201610902022.6A patent/CN106569166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900801A (en) * | 2010-07-15 | 2010-12-01 | 田卫华 | Intelligent electric energy meter field test device and test method thereof |
| CN103698735A (en) * | 2013-10-30 | 2014-04-02 | 国家电网公司 | Electric energy meter harmonic test device and method thereof |
| CN104020437A (en) * | 2014-06-21 | 2014-09-03 | 宁波三星电气股份有限公司 | Electric energy meter correction method |
| CN105116369A (en) * | 2015-09-09 | 2015-12-02 | 国网冀北电力有限公司电力科学研究院 | Radio frequency radiation disturbance rejection degree test apparatus and system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505588A (en) * | 2017-08-08 | 2017-12-22 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter combines error testing method and system |
| CN108445436A (en) * | 2018-03-01 | 2018-08-24 | 宁波迦南智能电气股份有限公司 | A kind of electric energy meter that twin-core operating status is mutually examined |
| CN108445436B (en) * | 2018-03-01 | 2020-04-10 | 宁波迦南智能电气股份有限公司 | Electric energy meter with double cores for mutual detection of running states |
| CN112994964A (en) * | 2019-12-16 | 2021-06-18 | 浙江正泰仪器仪表有限责任公司 | Intelligent electric meter double-core communication simulation system |
| CN112994964B (en) * | 2019-12-16 | 2023-11-14 | 浙江正泰仪器仪表有限责任公司 | Communication simulation system between two cores of intelligent ammeter |
| CN112098924A (en) * | 2020-11-04 | 2020-12-18 | 南方电网数字电网研究院有限公司 | Interactive function testing method and device based on double-core intelligent electric meter |
| CN112858993A (en) * | 2021-02-20 | 2021-05-28 | 南方电网数字电网研究院有限公司 | Double-core electric energy meter test system |
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