CN107607903A - Calibration method and device for electric energy metering equipment - Google Patents
Calibration method and device for electric energy metering equipment Download PDFInfo
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- CN107607903A CN107607903A CN201710848377.6A CN201710848377A CN107607903A CN 107607903 A CN107607903 A CN 107607903A CN 201710848377 A CN201710848377 A CN 201710848377A CN 107607903 A CN107607903 A CN 107607903A
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Abstract
The invention discloses a method and a device for calibrating electric energy metering equipment, wherein the method comprises the following steps: receiving energy data reported by the electric energy metering equipment; comparing the energy data with pre-stored standard data; and if the energy data is different from the standard data, calibrating the electric energy metering equipment. The invention solves the problem that the electric energy metering equipment in the prior art can not be calibrated and maintained after leaving the factory.
Description
Technical field
The present invention relates to collimation technique field, in particular to the calibration method and device of a kind of electric energy measuring equipment.
Background technology
With the continuous improvement of industrialized level, the nowadays monitoring to the energy has become more and more important with analysis, really
Protect monitoring with analysis accuracy be premised on the accuracy for ensureing electric energy measuring equipment, therefore, electric energy measuring equipment
Calibration seems particularly significant.
At present, the electric energy measuring equipment used is often simply calibrated before dispatching from the factory, after dispatching from the factory, electric energy measuring equipment
Whether need to calibrate user can not accurate judgement, and if it find that electric energy measuring equipment exists obvious abnormal, user is difficult to pair
Electric energy measuring equipment is calibrated.Although built-in calibration auxiliary circuit, calibration auxiliary electricity in electric energy measuring equipment
Road is only used for the factory calibration of electric energy measuring equipment, and during routine use electric energy measuring equipment, calibrate auxiliary circuit
Calibration maintenance can not be carried out to electric energy measuring equipment, because this hardware calibration mode for domestic consumer be difficult to control and
And the degree of accuracy of domestic consumer's calibration is not high.
In summary, existing electric energy measuring equipment will be unable to carry out calibration maintenance after dispatching from the factory, and lack to electric energy meter
The method that amount equipment is calibrated at any time, if exception occurs in electric energy measuring equipment, the normal use and shadow of user will be influenceed
Ring the monitoring effect and analysis result to the energy.
The content of the invention
The invention provides a kind of calibration method of electric energy measuring equipment and device, at least to solve electric energy in the prior art
Measuring equipment can not carry out the problem of calibration is safeguarded after dispatching from the factory.
In order to solve the above technical problems, the present invention solves by the following technical programs：
The invention provides a kind of calibration method of electric energy measuring equipment, including：Receive the energy that electric energy measuring equipment reports
Source data；By the multi-energy data compared with the normal data to prestore；If the multi-energy data and the normal data
Difference, then the electric energy measuring equipment is calibrated.
Wherein, before the multi-energy data that the reception electric energy measuring equipment reports, in addition to：Set in the electric energy metrical
It is standby to enter after calibration mode, the electric energy measuring equipment is adjusted to align mode.
Wherein, it is described that the electric energy measuring equipment is adjusted to align mode, including：According to prestoring and the criterion numeral
According to corresponding load data, the load condition of the electric energy measuring equipment is adjusted；It is described that school is carried out to the electric energy measuring equipment
Standard, including：According to default calibration equation, calibration data corresponding to the multi-energy data is determined；By the calibration data to institute
Electric energy measuring equipment transmission is stated, to calibrate the electric energy measuring equipment.
Wherein, it is described that the electric energy measuring equipment is adjusted to align mode, including：By the defeated of the electric energy measuring equipment
Enter parameter adjustment to preset value；It is described that the electric energy measuring equipment is calibrated, including：It is corresponding in the electric energy measuring equipment
Calibration range in, obtain multiple calibration data；The multiple calibration data is sequentially sent to the electric energy measuring equipment, directly
Untill the multi-energy data that the electric energy measuring equipment reports is identical with the normal data.
Wherein, the input parameter by the electric energy measuring equipment is adjusted to preset value, including：By the electric energy metrical
The input voltage and input current of equipment are all adjusted to zero.
The present invention also provides a kind of calibrating installation of electric energy measuring equipment, including：Receiving module, for receiving electric energy metrical
The multi-energy data that equipment reports；Comparison module, for by the multi-energy data compared with the normal data to prestore；Calibrating die
Block, in the case of judging the multi-energy data with the normal data difference in the comparison module, to the electric energy meter
Amount equipment is calibrated.
Wherein, described device also includes adjusting module；The adjusting module, in the reception electric energy measuring equipment
Before the multi-energy data of report, after the electric energy measuring equipment enters calibration mode, the electric energy measuring equipment is adjusted to
Align mode.
Wherein, the adjusting module, for according to the load data corresponding with the normal data that prestores, described in adjustment
The load condition of electric energy measuring equipment；The calibration module, is used for：According to default calibration equation, the multi-energy data is determined
Corresponding calibration data；The calibration data is sent to the electric energy measuring equipment, to calibrate the electric energy measuring equipment.
Wherein, the adjusting module, for the input parameter of the electric energy measuring equipment to be adjusted into preset value；The school
Quasi-mode block, is used for：In calibration range corresponding to the electric energy measuring equipment, multiple calibration data are obtained；By the multiple school
Quasi- data are sequentially sent to the electric energy measuring equipment, until multi-energy data and the standard that the electric energy measuring equipment reports
Untill data are identical.
Wherein, the adjusting module, it is further used for the input voltage of the electric energy measuring equipment and input current all
It is adjusted to zero.
In the present invention, whether can need to calibrate with automatic identification electric energy measuring equipment, judging electric energy measuring equipment
In the case of needing calibration, electric energy measuring equipment is calibrated automatically.Electricity can be calibrated whenever and wherever possible by user of the present invention
Whether energy measuring equipment, need to calibrate without artificial judgment electric energy measuring equipment, artificial so as to avoid without manual calibration
The problem of calibration accuracy is low.
Brief description of the drawings
Fig. 1 is the calibration method flow chart of according to embodiments of the present invention 1 electric energy measuring equipment；
Fig. 2 is the calibration method flow chart of according to embodiments of the present invention 2 electric energy measuring equipment；
Fig. 3 is the calibration method flow chart of according to embodiments of the present invention 3 electric energy measuring equipment；
Fig. 4 is the calibration system structure chart of according to embodiments of the present invention 4 electric energy measuring equipment；
Fig. 5 is the calibrating installation structure chart of according to embodiments of the present invention 5 electric energy measuring equipment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Embodiment 1
The embodiments of the invention provide a kind of calibration method of electric energy measuring equipment.The executive agent of the present embodiment can be
Calibrator (-ter) unit, the calibrator (-ter) unit can be server or portable calibrator (-ter) unit.Fig. 1 is according to embodiments of the present invention 1 electricity
The calibration method flow chart of energy measuring equipment.
Step S110, receive the multi-energy data that electric energy measuring equipment reports.
Electric energy measuring equipment is used to measure electric energy.Such as：Electric energy measuring equipment is Domestic electric meter.
Multi-energy data includes but is not limited to：It is voltage, electric current, active power, reactive power, apparent energy, forward and reverse active
Angle, voltage x current degree of unbalancedness, voltage x current between angle, electric current between electric energy, forward and reverse reactive energy, power factor, voltage
Peak value and requirement.
Electric energy measuring equipment can first be triggered and enter calibration mode, then receive electric energy measuring equipment in the calibration mode on
The multi-energy data of report.It is possible to further set trigger button in electric energy measuring equipment, or send to electric energy measuring equipment
Trigger command, and then clicking trigger button or by way of issuing trigger command, triggering electric energy measuring equipment enters calibration
Pattern.
Step S120, by the multi-energy data compared with the normal data to prestore.
Normal data is the multi-energy data measured under electric energy measuring equipment normal condition.Electric energy measuring equipment is in normal shape
Without calibration under state, so multi-energy data accuracy now is high, it can be used as and subsequently judge whether electric energy measuring equipment needs
The judgment standard of calibration.
Specifically, electric energy measuring equipment dispatch from the factory before need to calibrate, and electric energy measuring equipment dispatch from the factory after made first
Used time is typically in normal condition, and so, normal data can be the energy measured when electric energy measuring equipment factory calibration is completed
The multi-energy data that data or electric energy measuring equipment measure when using first.
Before electric energy measuring equipment is calibrated, the normal data that the electric energy measuring equipment reports is received, and stored.For
Differentiation different electric energy measuring equipment, can be by the mark for the normal data and the electric energy measuring equipment that electric energy measuring equipment reports
Know the corresponding storage of code.
Step S130, judge whether the multi-energy data and the normal data are identical；If it is, perform step
S140；If it is not, then perform step S150.
Each item data in the multi-energy data that electric energy measuring equipment is reported is compared with each item data in normal data
Compared with, if multi-energy data and normal data that electric energy measuring equipment reports have differences, illustrate electric energy measuring equipment exception, need to
Calibrate.If the multi-energy data that electric energy measuring equipment reports is identical with normal data, illustrate that electric energy measuring equipment is normal, nothing
Need to calibrate.
Step S140, if the multi-energy data is identical with the normal data, calibration terminates.
Step S150, if the multi-energy data is different from the normal data, the electric energy measuring equipment is carried out
Calibration.
Electric energy measuring equipment is calibrated, including：It can be determined according to default calibration equation corresponding to multi-energy data
Calibration data, the calibration data is sent to electric energy measuring equipment, so that electric energy measuring equipment carries out school according to the calibration data
It is accurate；Or multiple calibration data that prestore, a calibration data is sent to electric energy measuring equipment, judges electric energy measuring equipment again
Whether the secondary multi-energy data reported is identical with normal data, if it is different, then next calibration data is sent, until electric energy metrical
Untill the multi-energy data that equipment reports again is identical with normal data.
By sending calibration data to electric energy measuring equipment, the calibration of following species can be carried out to electric energy measuring equipment：
Voltage gain, mistuning calibration function, current gain, mistuning calibration function, active power gain, mistuning calibration function, reactive power gain, imbalance school
Standard, phase alignment.
Whether can be needed to calibrate with automatic identification electric energy measuring equipment by the present embodiment, judging electric energy measuring equipment
In the case of needing calibration, electric energy measuring equipment is calibrated automatically.It can be calibrated whenever and wherever possible by the present embodiment user
Electric energy measuring equipment, whether need to calibrate without artificial judgment electric energy measuring equipment, without manual calibration, so as to avoid people
The problem of work calibration accuracy is low.
Residing environment may have larger difference before being dispatched from the factory due to electric energy measuring equipment and after dispatching from the factory, so in order to protect
Card calibration is more accurate, can adjust the calibration of the electric energy measuring equipment after electric energy measuring equipment enters calibration mode
State；Receive the multi-energy data that the electric energy measuring equipment reports under the align mode.
The align mode of electric energy measuring equipment is the state of electric energy measuring equipment itself and the state of local environment.Adjustment electricity
The align mode of energy measuring equipment includes but is not limited to：Adjust the parameter state and load condition of electric energy measuring equipment.
For calibrating mode of the electric energy measuring equipment under different align modes, will be entered respectively by two embodiments below
Row explanation.
Embodiment 2
The present embodiment provides a kind of calibration method of more specific electric energy measuring equipment.Fig. 2 is implemented according to the present invention
The calibration method flow chart of the electric energy measuring equipment of example 2.
Step S210, it is corresponding with normal data negative according to prestoring after electric energy measuring equipment enters calibration mode
Data are carried, adjust the load condition of the electric energy measuring equipment.
Load data corresponding to normal data, it is to measure the multi-energy data (standard of electric energy measuring equipment in normal state
Data) when, the state for the load that electric energy measuring equipment is connected.
The measurement standard data when electric energy measuring equipment is first used, by the normal data and now electric energy metrical is set
Standby load data reports calibrator (-ter) unit, and calibrator (-ter) unit correspondingly deposits the normal data of the electric energy measuring equipment and load data
Storage, it is identical when making the load condition of electric energy measuring equipment with measurement standard data during subsequent calibrations electric energy measuring equipment.
Further, the load that electric energy measuring equipment connects is connected to calibrator (-ter) unit in advance, calibrator (-ter) unit is according to the electricity
The load data of energy measuring equipment, the state of the load of electric energy measuring equipment connection is controlled, make the load shape of electric energy measuring equipment
It is identical when state is with measurement standard data.
Such as：The load of electric energy measuring equipment connection includes：Television set, air-conditioning, washing machine and computer, in measurement standard number
According to when, to open, the state of air-conditioning, washing machine and computer then enters all to close in electric energy measuring equipment for the state of television set
After calibration mode, calibrator (-ter) unit can control television set to open, and control air-conditioning, washing machine and computer are all closed.
It is of course also possible to the load condition of electric energy measuring equipment is adjusted by other equipment.Such as：Pass through controller, electricity
Can the control screen of measuring equipment, remote control, hand switch etc. control load condition.
Step S220, receive the multi-energy data that the electric energy measuring equipment reports under the load condition.
Step S230, by the multi-energy data compared with the normal data.
Step S240, judge whether the multi-energy data is identical with the normal data；If identical, step is performed
S250；If it is different, then perform step S260.
Step S250, if the multi-energy data is identical with the normal data, the electric energy measuring equipment is controlled to move back
Go out calibration mode, terminate calibration.
Calibration END instruction can be sent to electric energy measuring equipment, to make electric energy measuring equipment terminate to refer to according to the calibration
Calibration mode is exited in order.
Electric energy measuring equipment can carry out normal data analysis and process after calibration mode is exited, and measure energy consumption.
Step S260, if the multi-energy data is different from the normal data, according to default calibration equation, it is determined that
Calibration data corresponding to the multi-energy data.
Calibration data includes：For the calibration value calibrated to electric energy measuring equipment.Such as：Calibration data includes：Electricity
Press the calibration values such as offset calibration, voltage gain calibration value, current offset calibration value, current gain calibration value.
Electric energy measuring equipment handbook can typically provide calibration equation.On the premise of known normal data and multi-energy data,
Using calibration equation, calibration data can be calculated.
Such as：Variation calibration equation is：Standard value=a* (measured value+b* calibration values)；Wherein a, b are known normal
Amount, variation standard value can obtain in normal data, and variation measured value can obtain in multi-energy data.According to
The calibration value that variation calibration equation obtains is exactly the variation calibration value in calibration data.Except variation calibrates public affairs
Formula can also have following calibration equation：Voltage, electric current, active power, reactive power gain calibration formula, electric current, active power,
Reactive power offset calibration formula, phase alignment formula.
Step S270, the calibration data is sent to the electric energy measuring equipment, set to calibrate the electric energy metrical
It is standby.
After calibration data is sent to electric energy measuring equipment, calibration data will be written into the calibration of electric energy measuring equipment
Register, complete calibration.
In the present embodiment, in order to further ensure the reliability and accuracy of calibration, electric energy meter can be measured respectively
Normal data of the equipment under different loads state is measured, and multigroup normal data and load data are stored, in calibration electricity
During energy measuring equipment, select one group of normal data and load data to use, select another group of normal data and load data to carry out
Checking.
Embodiment 3
The present embodiment provides a kind of calibration method of more specific electric energy measuring equipment.
Fig. 3 is the calibration method flow chart of according to embodiments of the present invention 3 electric energy measuring equipment.
Step S310, after electric energy measuring equipment enters calibration mode, by the input parameter of the electric energy measuring equipment
It is adjusted to preset value.
In measurement standard data, the value of the input parameter of electric energy measuring equipment can be recorded, in calibration, by electric energy meter
The input parameter of amount equipment is adjusted to the value again.
The present embodiment preferably, by the input voltage of electric energy measuring equipment and input current is all adjusted to zero.If electric energy
The input voltage and input current of measuring equipment are all zero, then the multi-energy data of electric energy measuring equipment should also be as all being zero, otherwise,
Electric energy measuring equipment needs to calibrate.
Step S320, receive the multi-energy data that the electric energy measuring equipment reports under the parameter state.
Step S330, by the multi-energy data compared with the normal data to prestore.
Step S340, judge whether the multi-energy data is identical with the normal data；If identical, step is performed
S350；If it is different, then perform step S360.
Step S350, if the multi-energy data is identical with the normal data, the electric energy measuring equipment is controlled to move back
Go out calibration mode, terminate calibration.
Step S360, in calibration range corresponding to the electric energy measuring equipment, obtain multiple calibration data.
Calibration range corresponding to electric energy measuring equipment is the span of the calibration register of electric energy measuring equipment.Calibration
Equipment prestores the calibration range of the power calibration equipment.Using each calibration value in the calibration range as a calibration number
According to.
Step S370, the multiple calibration data is sequentially sent to the electric energy measuring equipment, until the electric energy meter
Untill the multi-energy data that reports of amount equipment is identical with the normal data.
To ensure the accuracy of calibration, it is necessary to enumerate calibration value in the span of calibration register.Will calibration
Value is sent to electric energy measuring equipment, to write calibration register, completes primary calibration.After calibration value is sent, if hair
The multi-energy data that existing electric energy measuring equipment reports again is identical with normal data, then illustrates calibrated correct；It is if it find that electric
The multi-energy data that energy measuring equipment reports again is different from normal data, then explanation also needs to continue to calibrate, and at this moment takes out next
Individual calibration value is calibrated next time, by that analogy, untill judgement is calibrated correctly.In the present embodiment, often calibrate
Once then once judged, if the multi-energy data that electric energy measuring equipment reports is identical with normal data, judge school
It is accurate correct, conversely, judging to continue to calibrate.
Such as：The span of calibration register is -128~127, then is first sent to electric energy as calibration data by -128
Measuring equipment, to write calibration register, then multi-energy data now is contrasted with normal data；If identical,
Then illustrate calibrated correct；If it is not the same, electric energy measuring equipment then is sent to as calibration data by -127, to write
Calibration register, then multi-energy data now is contrasted with normal data, if identical, illustrate it is correctly calibrated,
If it is different, then continue to send -126 to electric energy measuring equipment, by that analogy, until correct calibration.
Embodiment 4
The present embodiment provides a kind of calibration system of electric energy measuring equipment.As shown in figure 4, for according to the embodiment of the present invention 4
Electric energy measuring equipment calibration system structure chart.
The calibration system of electric energy measuring equipment, including：Electric energy measuring equipment 410, communication equipment 420, the and of display device 430
Calibrator (-ter) unit 440.
Communication equipment is used to transmit data between electric energy measuring equipment 410 and calibrator (-ter) unit 440.Communication equipment 420 can
To be integrated in electric energy measuring equipment 410.
Display device 430 is used to monitoring and controlling electric energy measuring equipment 410, can observe the shape of electric energy measuring equipment 410
State data, multi-energy data etc..Display device 430 can be integrated in electric energy measuring equipment 410, or is integrated in calibrator (-ter) unit
In 440, or it is used as single equipment to use.When display device 430 is integrated in calibrator (-ter) unit 440 or is used alone, show
Show that equipment 430 can be used for monitoring and control multiple electric energy measuring equipments 410.
Calibrator (-ter) unit 440 is used to analyze the multi-energy data that electric energy measuring equipment 410 reports, and determines electric energy measuring equipment 410
Whether need to calibrate, and when electric energy measuring equipment 410 needs calibration, calibration data is issued to electric energy measuring equipment 410, with
Electric energy measuring equipment 410 is calibrated.Calibrator (-ter) unit 440 can be arranged on near-end or the distal end of electric energy measuring equipment 410.
Calibrator (-ter) unit 440 pre-saves multiple calibration data, and the plurality of calibration number need to cover the school of electric energy measuring equipment 410
Quasi- scope.Specific calibration range can refer to electric energy measuring equipment handbook.Calibrator (-ter) unit 440 pre-saves electric energy measuring equipment
410 normal data.The normal data can be the multi-energy data that electric energy measuring equipment 410 measures in factory calibration.
Calibrator (-ter) unit 440 and electric energy measuring equipment 410 are connected by communication equipment 420.
Electric energy measuring equipment 410 is triggered by display device 430 and enters calibration mode.
Calibrator (-ter) unit 440 analyzes the multi-energy data that electric energy measuring equipment 410 reports, and judges electric energy measuring equipment now
Whether 410 need to calibrate, if without calibration, control electric energy measuring equipment 410 exits calibration mode, carries out normal data
Analysis and processing, while pass through the state and multi-energy data of the display electric energy measuring equipment 410 of display device 430.
If necessary to calibrate, then calibrator (-ter) unit 440 takes out the calibration data pre-saved successively, by calibration data sequentially to
Electric energy measuring equipment 410 is sent, untill multi-energy data that electric energy measuring equipment 410 reports is identical with normal data.In school
After standard is completed, electric energy measuring equipment 410 can carry out normal data analysis and process, can be shown by display device 430
The state and multi-energy data of electric energy measuring equipment 410.Wherein, status data, such as：On-off signal state, relay output
State, alarm signal state, over-voltage and over-current, zero passage detection are exceeded the time limit state, Voltage Drop state, Voltage and Current Spikes state.
The calibration process of the present embodiment can be automatically performed by calibrator (-ter) unit, convenient high without manual intervention, simple and fast
Effect, the degree of accuracy are high.
Embodiment 5
The present embodiment provides a kind of calibrating installation of electric energy measuring equipment.As shown in figure 5, for according to the embodiment of the present invention 5
Electric energy measuring equipment calibrating installation structure chart.
In the present embodiment, the calibrating installation of the electric energy measuring equipment, including：
Receiving module 510, the multi-energy data reported for receiving electric energy measuring equipment.
Comparison module 520, for by the multi-energy data compared with the normal data to prestore.
Calibration module 530, for judging the multi-energy data feelings different from the normal data in the comparison module
Under condition, the electric energy measuring equipment is calibrated.
Alternatively, described device also includes adjusting module (not shown)；The adjusting module, in the reception
Before the multi-energy data that electric energy measuring equipment reports, after the electric energy measuring equipment enters calibration mode, by the electric energy
Measuring equipment is adjusted to align mode.
Alternatively, the adjusting module, for according to the load data corresponding with the normal data to prestore, adjusting institute
State the load condition of electric energy measuring equipment；The calibration module 530, is used for：According to default calibration equation, the energy is determined
Calibration data corresponding to data；The calibration data is sent to the electric energy measuring equipment, to calibrate the electric energy metrical
Equipment.
Alternatively, the adjusting module, for the input parameter of the electric energy measuring equipment to be adjusted into preset value；It is described
Calibration module 530, in calibration range corresponding to the electric energy measuring equipment, obtaining multiple calibration data；Will be described more
Individual calibration data is sequentially sent to the electric energy measuring equipment, until multi-energy data that the electric energy measuring equipment reports with it is described
Untill normal data is identical.
Alternatively, the adjusting module, it is further used for the input voltage and input current of the electric energy measuring equipment
All it is adjusted to zero.
The function of device described in the present embodiment is described in the embodiment of the method shown in Fig. 1-Fig. 4, therefore
Not detailed part, may refer to the related description in previous embodiment, will not be described here in the description of the present embodiment.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and the common knowledge in the art do not invented including the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
- A kind of 1. calibration method of electric energy measuring equipment, it is characterised in that including：Receive the multi-energy data that electric energy measuring equipment reports；By the multi-energy data compared with the normal data to prestore；If the multi-energy data is different from the normal data, the electric energy measuring equipment is calibrated.
- 2. according to the method for claim 1, it is characterised in that in the multi-energy data that the reception electric energy measuring equipment reports Before, in addition to：After the electric energy measuring equipment enters calibration mode, the electric energy measuring equipment is adjusted to align mode.
- 3. according to the method for claim 2, it is characterised in thatIt is described that the electric energy measuring equipment is adjusted to align mode, including：According to the load data corresponding with the normal data that prestores, the load condition of the electric energy measuring equipment is adjusted；It is described that the electric energy measuring equipment is calibrated, including：According to default calibration equation, calibration data corresponding to the multi-energy data is determined；The calibration data is sent to the electric energy measuring equipment, to calibrate the electric energy measuring equipment.
- 4. according to the method for claim 2, it is characterised in thatIt is described that the electric energy measuring equipment is adjusted to align mode, including：The input parameter of the electric energy measuring equipment is adjusted to preset value；It is described that the electric energy measuring equipment is calibrated, including：In calibration range corresponding to the electric energy measuring equipment, multiple calibration data are obtained；The multiple calibration data is sequentially sent to the electric energy measuring equipment, until the energy that the electric energy measuring equipment reports Untill source data is identical with the normal data.
- 5. according to the method for claim 4, it is characterised in that the input parameter by the electric energy measuring equipment adjusts To preset value, including：The input voltage of the electric energy measuring equipment and input current are all adjusted to zero.
- A kind of 6. calibrating installation of electric energy measuring equipment, it is characterised in that including：Receiving module, the multi-energy data reported for receiving electric energy measuring equipment；Comparison module, for by the multi-energy data compared with the normal data to prestore；Calibration module, it is right in the case of judging the multi-energy data with the normal data difference in the comparison module The electric energy measuring equipment is calibrated.
- 7. device according to claim 6, it is characterised in that described device also includes adjusting module；The adjusting module, for before the multi-energy data that reports of reception electric energy measuring equipment, in the electric energy metrical Equipment enters after calibration mode, and the electric energy measuring equipment is adjusted into align mode.
- 8. device according to claim 7, it is characterised in thatThe adjusting module, for according to the load data corresponding with the normal data to prestore, adjusting the electric energy metrical The load condition of equipment；The calibration module, is used for：According to default calibration equation, calibration data corresponding to the multi-energy data is determined；The calibration data is sent to the electric energy measuring equipment, to calibrate the electric energy measuring equipment.
- 9. device according to claim 7, it is characterised in thatThe adjusting module, for the input parameter of the electric energy measuring equipment to be adjusted into preset value；The calibration module, is used for：In calibration range corresponding to the electric energy measuring equipment, multiple calibration data are obtained；The multiple calibration data is sequentially sent to the electric energy measuring equipment, until the energy that the electric energy measuring equipment reports Untill source data is identical with the normal data.
- 10. device according to claim 9, it is characterised in that the adjusting module, be further used for the electric energy meter The input voltage and input current for measuring equipment are all adjusted to zero.
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| CN201710848377.6A CN107607903B (en) | 2017-09-19 | 2017-09-19 | Calibration method and device for electric energy metering equipment |
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| CN201710848377.6A CN107607903B (en) | 2017-09-19 | 2017-09-19 | Calibration method and device for electric energy metering equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917323A (en) * | 2019-04-18 | 2019-06-21 | 青岛高科通信股份有限公司 | A kind of adjustment controlling means of intelligent electric meter |
| CN109991493A (en) * | 2019-03-25 | 2019-07-09 | 珠海格力电器股份有限公司 | Electric energy monitoring method, device, equipment and system |
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| CN112485754A (en) * | 2020-12-14 | 2021-03-12 | 深圳供电局有限公司 | Detection method and device of electric energy metering device, computer equipment and storage medium |
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