CN109061546A - A kind of auto-adjustment device and method for electronic electric energy meter - Google Patents
A kind of auto-adjustment device and method for electronic electric energy meter Download PDFInfo
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- CN109061546A CN109061546A CN201811140663.8A CN201811140663A CN109061546A CN 109061546 A CN109061546 A CN 109061546A CN 201811140663 A CN201811140663 A CN 201811140663A CN 109061546 A CN109061546 A CN 109061546A
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- electric energy
- energy meter
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- calibration
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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
A kind of auto-adjustment device and method for electronic electric energy meter, including electronic electric energy meter, described device further includes data collector, signal source stage body, bar code scanner and the PC machine for being mounted with calibration application, the communication port of data collector and the communication port of electronic electric energy meter connect, ether net mode is attached communication between data collector and PC machine, bar code scanner is connect with PC machine respectively, and signal source stage body is connect with electronic electric energy meter；Signal source stage body carries out error testing to electronic electric energy meter, and data collector carries out address detected to electronic electric energy meter, the detection of electronic electric energy meter analog quantity quantized data is realized in conjunction with the detection of the signal source stage body and data collector, data collector acquires resulting data and is uploaded in the PC machine.The present invention can effectively avoid existing the case where accidentally school is leaked in the school appearance of manual operation detection, and then can effectively improve calibration efficiency and reduce calibration cost.
Description
Technical field
The present invention relates to the calibration technical field of electronic electric energy meter more particularly to a kind of automatic schools of electronic electric energy meter
Meter apparatus and method.
Background technique
In recent years, China's smart grid construction is already in full swing, and intelligent electric energy meter is widely applied in China,
2011, which are only State Grid Corporation of China's bid total amount, just reaches 7600 .88, ten thousand intelligent electric energy meters.In face of such huge order numbers
Amount, many manufacturers occur supplying the problems such as overproof with individual electric energy meter errors not in time, the error correction of intelligent electric energy meter
It is an important link of relationship production efficiency and product quality in production of intelligent electric energy meter.
The error correction of intelligent electric energy meter generally comprises gain calibration, phasing and Offset correction in the prior art.
RN8209 chip can support gain calibration, phasing and Offset correction, therefore most intelligent electric energy meter is built-in with
RN8209 chip.RN8209 chip can also measure active power, active energy, and provide two-way independent active power simultaneously
It is interrupted etc. with current effective value, voltage effective value, line frequency, zero passage, flexible anti-electricity-theft scheme may be implemented.
Currently, existing electronic electric energy meter needs manual operation to realize in calibration, there is detection time-consuming,
Be easy to appear accidentally school or leak school the defects of, it is therefore necessary to a kind of technical solution is provided, with effectively overcome the prior art lack
It falls into.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of auto-adjustment device for electronic electric energy meter,
In order to solve the above-mentioned technical problem, the present invention takes following technical scheme:
A kind of auto-adjustment device for electronic electric energy meter, including electronic electric energy meter, described device further include that data are adopted
Storage, signal source stage body, bar code scanner and the PC machine for being mounted with calibration application, the communication port and electronics of data collector
The communication port of formula electric energy meter connects, and ether net mode is attached communication, bar code scanner between data collector and PC machine
It is connect respectively with PC machine, signal source stage body is connect with electronic electric energy meter；
The signal source stage body carries out error testing and data collector to electronic electric energy meter and carries out to electronic electric energy meter
Address detected realizes the inspection of electronic electric energy meter analog quantity quantized data in conjunction with the detection of the signal source stage body and data collector
It surveys, data collector acquires resulting data and is uploaded in the PC machine.
The detection of the electronic electric energy meter analog quantity quantized data, voltage, electric current, function including electronic electric energy meter
The detection of rate, power factor and electric energy.
The communication port of the data collector and the communication port of electronic electric energy meter are respectively RS485 communication port.
The signal source stage body includes multi-epitope standard source calibration frame, and each epitope of the signal source stage body has pulse
Signaling interface, electronic electric energy meter have output of pulse signal.
At least one is arranged in the electronic electric energy meter, and when having more than two, each electronic electric energy meter parallel connection connects
It connects.
A kind of auto-adjustment method of electronic electric energy meter, comprising the following steps:
S10, starting calibration application, and load calibration scheme；
S11, pass through the bar code of electronic electric energy meter in bar code scanner scans epitope；
S12, the electric current of enabling signal source stage body, voltage output, and successively start the detection to version and time；
S13, sensed signal sources stage body and electronic electric energy meter whether successful connection, next step is entered if successful connection, it is no
Then exit calibration program；
S14, starting carry out the electronic electric energy meter of all epitopes to write basic parameter operation, to whole electronic electric energy meters
It writes basic parameter all end of operation and carries out next step again；
S15, starting active power gain calibration operation, voltage, electric current, the phase output of first switching signal source stage body, to signal
Stablize preset time T, then carries out initial error test；
S16, the automatic electronic electric energy meter progress active power gain calibration for obtaining error amount to all epitopes, correction finish it
It carries out error testing again afterwards and obtains error testing value, whether in error range to judge the error testing value；
S17, starting phase correction operation, first switching signal source stage body voltage, electric current, phase output, when signal stabilization is preset
Between T, then carry out initial error test；
To the electronic electric energy meter progress phasing of all epitopes, correction carries out again after finishing for S18, the automatic error amount that obtains
Error testing obtains error testing as a result, whether in error range to judge the error testing result；
S19, the output of stop signal ource electric current, carry out current offset correction；
S20, starting remove the electric energy clear operation of all epitopes and confirm；
S21, starting carry out bar code write operation to each epitope；
S22, calibration record is formed, be saved directly under predetermined directory, calibration terminates.
The preset time T is 7-9 seconds.
In the step S16, if the error testing value of a certain epitope calibration test exceeds error range, return step
S15 repeats, and after number of repetition reaches setting value N or error testing is unsuccessful, then corresponds to Epitope tag into red, table
Show that error correction fails, this epitope is not involved in subsequent calibration operation.
In the step S18, if the error testing result of a certain epitope calibration test exceeds error range, return step
S17 repeats, and after number of repetition reaches setting value N or error testing is unsuccessful, then corresponds to Epitope tag into red, table
Show that error correction fails, this epitope is not involved in subsequent calibration operation.
The present invention realizes that calibration process automation, whole process are not necessarily to manual intervention, and it is existing accidentally to effectively prevent manual operation
The case where school leakage school, occurs, and effectively increases calibration quality, and have many advantages, such as that the calibration time is short, and calibration precision is high, and
Calibration record automatically saves, and calibration information is more reasonably tracked and managed, and realizes with no paper, automatic operation comprehensively,
And then calibration efficiency can be effectively improved and reduce calibration cost.
Detailed description of the invention
Attached drawing 1 is the catenation principle schematic diagram of apparatus of the present invention；
Attached drawing 2 is the flow diagram of the method for the present invention.
Specific embodiment
To further understand the features of the present invention, technological means and specific purposes achieved, function, below with reference to
Present invention is further described in detail with specific embodiment for attached drawing.
As shown in Fig. 1, one aspect of the present invention discloses a kind of auto-adjustment device of electronic electric energy meter, including electronics
Formula electric energy meter, described device further include data collector, signal source stage body, bar code scanner and the PC for being mounted with calibration application
Machine, the communication port of data collector and the communication port of electronic electric energy meter connect, ether between data collector and PC machine
Net mode is attached communication, and bar code scanner is connect with PC machine respectively, and signal source stage body is connect with electronic electric energy meter, bar code
Scanner is for the bar code on scanning electron formula electric energy meter, in order to record the calibration information of each electronic electric energy meter.
The signal source stage body carries out error testing and data collector to electronic electric energy meter to electronic electric energy meter
Address detected is carried out, realizes electronic electric energy meter analog quantity quantized data in conjunction with the detection of the signal source stage body and data collector
Detection, data collector acquires resulting data and is uploaded in the PC machine.
In addition, the detection of the electronic electric energy meter analog quantity quantized data, voltage, electricity including electronic electric energy meter
The detection of stream, power, power factor and electric energy.The communication port of data collector and the communication port point of electronic electric energy meter
It Wei not RS485 communication port.
Moreover, signal source stage body includes multi-epitope standard source calibration frame, each epitope of the signal source stage body has arteries and veins
Signaling interface is rushed, electronic electric energy meter has output of pulse signal.One epitope of signal source stage body, a corresponding electronic type electricity
It can table.The corresponding pulse signal interface with signal source stage body of the output of pulse signal of electronic electric energy meter, to utilize signal source
The pulse signal interface of stage body carries out error testing.
At least one is arranged in the electronic electric energy meter, and when having more than two, each electronic electric energy meter parallel connection connects
It connects.For example 48 electronic electric energy meters can be set simultaneously, i.e., there are 48 epitopes accordingly, that is, 48 can be carried out simultaneously
The error correction operation of epitope.
On the other hand, as shown in Fig. 2, present invention further teaches a kind of auto-adjustment method of electronic electric energy meter, packets
Include following steps:
S10, starting calibration application, and load calibration scheme.By the button operation in corresponding equipment, booting is realized.
S11, by the bar code of electronic electric energy meter in bar code scanner scans epitope, when with multiple, needing pair
The electronic electric energy meter of each epitope is scanned, and obtains the data information of each electronic electric energy meter.
S12, the electric current of enabling signal source stage body, voltage output, and successively start the detection to version and time, it is ensured that inspection
The accuracy of survey process.
S13, sensed signal sources stage body and electronic electric energy meter whether successful connection, next step is entered if successful connection
Otherwise S14 exits calibration program.
S14, starting carry out the electronic electric energy meter of all epitopes to write basic parameter operation, to whole electronic watt-hours
Basic parameter all end of operation of writing of table carry out next step S15 again.
S15, starting active power gain calibration operation, voltage, electric current, the phase output of first switching signal source stage body, to
Signal stabilization time 8 seconds, then carry out initial error test
S16, the automatic electronic electric energy meter progress active power gain calibration for obtaining error amount to all epitopes, correction finish it
It carries out error testing again afterwards and obtains error testing value, whether in error range the error testing value is judged, if error testing
Value is fallen into the error range of setting, then active power gain calibration success；If error testing value is less or greater than setting
Error range, then active power gain calibration is unsuccessful.If the error testing value of a certain epitope calibration test exceeds error model
It encloses, then return step S15 repeats, and after number of repetition reaches setting value N or error testing is unsuccessful, then corresponds to epitope
It is marked as red, indicates error correction failure, this epitope is not involved in subsequent calibration operation.
S17, starting phase correction operation, first switching signal source stage body voltage, electric current, phase output, when signal stabilization
Between 8 seconds, then carry out initial error test.
To the electronic electric energy meter progress phasing of all epitopes, correction is finished later again for S18, the automatic error amount that obtains
It carries out error testing and obtains error testing as a result, whether in error range to judge the error testing result.If error testing
Value is fallen into the error range of setting, then phasing success；If error testing value is less or greater than the error model of setting
It encloses, then phasing is unsuccessful.If the error testing result of a certain epitope calibration test exceeds error range, return step
S17 repeats, and after number of repetition reaches setting value N or error testing is unsuccessful, then corresponds to Epitope tag into red, table
Show that error correction fails, this epitope is not involved in subsequent calibration operation.
S19, the output of stop signal source stage body electric current, carry out current offset correction.
S20, starting remove the electric energy clear operation of all epitopes and confirm.
S21, starting carry out bar code write operation to each epitope.
S22, calibration record is formed, be saved directly under predetermined directory, calibration terminates.
The present invention successively carries out active power gain calibration, phasing and current offset correction, realizes to electronic type electricity
The accurate correction of energy table.Entire correction course realizes automation, effectively prevents manual operation existing the case where missing school leakage school
Occur, effectively increase calibration quality, and have many advantages, such as that the calibration time is short, calibration precision is high, and calibration record is automatic
It saves, calibration information is more reasonably tracked and managed, realize with no paper, automatic operation comprehensively, and then can effectively mention
High calibration efficiency and reduce calibration cost.
It should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although ginseng
According to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned reality
Technical solution documented by example is applied to modify or equivalent replacement of some of the technical features, but it is all in this hair
Within bright spirit and principle, any modification, equivalent replacement, improvement and so on should be included in protection scope of the present invention
Within.
Claims (9)
1. a kind of auto-adjustment device for electronic electric energy meter, including electronic electric energy meter, which is characterized in that described device
It further include data collector, signal source stage body, bar code scanner and the PC machine for being mounted with calibration application, data collector leads to
Believe that the communication port of port and electronic electric energy meter connects, ether net mode is attached logical between data collector and PC machine
News, bar code scanner are connect with PC machine respectively, and signal source stage body is connect with electronic electric energy meter；
The signal source stage body carries out error testing and data collector to electronic electric energy meter and carries out to electronic electric energy meter
Address detected realizes the inspection of electronic electric energy meter analog quantity quantized data in conjunction with the detection of the signal source stage body and data collector
It surveys, data collector acquires resulting data and is uploaded in the PC machine.
2. the auto-adjustment device according to claim 1 for electronic electric energy meter, which is characterized in that the electronic type
The detection of electric energy meter analog quantity quantized data, voltage, electric current, power, power factor and electric energy including electronic electric energy meter
Detection.
3. the auto-adjustment device according to claim 2 for electronic electric energy meter, which is characterized in that the data are adopted
The communication port of storage and the communication port of electronic electric energy meter are respectively RS485 communication port.
4. the auto-adjustment device according to claim 3 for electronic electric energy meter, which is characterized in that the signal source
Stage body includes multi-epitope standard source calibration frame, and each epitope of the signal source stage body has pulse signal interface, electronic type electricity
Energy table has output of pulse signal.
5. the auto-adjustment device according to claim 3 for electronic electric energy meter, which is characterized in that the electronic type
At least one is arranged in electric energy meter, and when having more than two, each electronic electric energy meter is connected in parallel.
6. a kind of auto-adjustment method of electronic electric energy meter, comprising the following steps:
S10, starting calibration application, and load calibration scheme；
S11, pass through the bar code of electronic electric energy meter in bar code scanner scans epitope；
S12, the electric current of enabling signal source stage body, voltage output, and successively start the detection to version and time；
S13, sensed signal sources stage body and electronic electric energy meter whether successful connection, next step is entered if successful connection, it is no
Then exit calibration program；
S14, starting carry out the electronic electric energy meter of all epitopes to write basic parameter operation, to whole electronic electric energy meters
It writes basic parameter all end of operation and carries out next step again；
S15, starting active power gain calibration operation, voltage, electric current, the phase output of first switching signal source stage body, to signal
Stablize preset time T, then carries out initial error test；
S16, the automatic electronic electric energy meter progress active power gain calibration for obtaining error amount to all epitopes, correction finish it
It carries out error testing again afterwards and obtains error testing value, whether in error range to judge the error testing value；If (a certain epitope school
Table test error goes beyond the scope, then repeatedly S15 step, retries chance maximum 5 times, and the 5th or error testing are unsuccessful, then right
It answers Epitope tag at red, indicates error correction failure, this epitope is not involved in subsequent calibration step)
S17, starting phase correction operation, first switching signal source stage body voltage, electric current, phase output, when signal stabilization is preset
Between T, then carry out initial error test；
To the electronic electric energy meter progress phasing of all epitopes, correction carries out again after finishing for S18, the automatic error amount that obtains
Error testing obtains error testing as a result, whether in error range to judge the error testing result；If (a certain epitope calibration is surveyed
Examination error goes beyond the scope, then repeatedly S17 step, retries chance maximum 5 times, and the 5th or error testing are unsuccessful, then correspond to table
Position is marked as red, indicates error correction failure, this epitope is not involved in subsequent calibration step)
S19, the output of stop signal ource electric current, carry out current offset correction；
S20, starting remove the electric energy clear operation of all epitopes and confirm；
S21, starting carry out bar code write operation to each epitope；
S22, calibration record is formed, be saved directly under predetermined directory, calibration terminates.
7. the auto-adjustment method of electronic electric energy meter according to claim 6, which is characterized in that the preset time T
It is 7-9 seconds.
8. the auto-adjustment method of electronic electric energy meter according to claim 6, which is characterized in that in the step S16,
If the error testing value of a certain epitope calibration test exceeds error range, return step S15 repeats, when number of repetition reaches
After to setting value N or error testing is unsuccessful, then corresponds to Epitope tag into red, indicate error correction failure, this epitope is not
Participate in subsequent calibration operation.
9. the auto-adjustment method of electronic electric energy meter according to claim 6, which is characterized in that in the step S18,
If the error testing result of a certain epitope calibration test exceeds error range, return step S17 repeats, and works as number of repetition
Reach after setting value N or error testing is unsuccessful, then correspond to Epitope tag into red, indicates that error correction fails, this epitope
It is not involved in subsequent calibration operation.
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| CN201811140663.8A CN109061546A (en) | 2018-09-28 | 2018-09-28 | A kind of auto-adjustment device and method for electronic electric energy meter |
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