CN103675750A - Method and device to realize measurement chip electricity meter calibration - Google Patents
Method and device to realize measurement chip electricity meter calibration Download PDFInfo
- Publication number
- CN103675750A CN103675750A CN201310573524.5A CN201310573524A CN103675750A CN 103675750 A CN103675750 A CN 103675750A CN 201310573524 A CN201310573524 A CN 201310573524A CN 103675750 A CN103675750 A CN 103675750A
- Authority
- CN
- China
- Prior art keywords
- ammeter
- current
- calibration
- error
- resistive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention is applicable to the field of the electric power technology, and provides a method to realize measurement chip electricity meter calibration. The method comprises the following steps: an electricity meter is placed on a tooling facility; the tooling facility carries out source lifting operation; a current power factor of the electricity meter is calculated; a current inductive error of the electricity meter is calculated; an unqualified inductive error is compensated; a current resistance error of the electricity meter is calculated; and an unqualified resistance error is compensated. The invention also provides a device to realize measurement chip electricity meter calibration.
Description
Technical field
The invention belongs to this practicality invention and belong to power technology field, be specifically related to a kind of method and apparatus of realizing computation chip calibration.
Background technology
In single-phase electric meter production run, the error correction of carrying out ammeter is a requisite procedure in ammeter production procedure, how to complete quickly and accurately these Function detection, is the problem that many ammeters manufacturer faces.
Having at present a kind of method realizing is by a calibration stage body, and additional a PC software is realized.This is a kind of detection method that realizes error correction by calibration stage body, and the method, in resistive, perceptual error correction operation, all needs to get common data: error current value.This value is that the error meter that reads calibration stage body by software obtains, and, in order to obtain a stable error amount, conventionally all can repeatedly read the error meter of stage body.In addition, this method is not proofreaied and correct correct in the situation that in resistive error, can not carry out perceptual error correction operation.According to statistics, use this verification stage body to carry out error correction operation to ammeter, generally, the verification stage body of 48 epi-positions completes error correcting function, approximately needs the time of 1 hour, and this production efficiency is seriously restricting the demand of producing in enormous quantities.
Therefore, guaranteeing that error correcting function detects under the prerequisite of quality, by improving the calibration mode of PC software and the obtain manner of error, reduce Function detection cost, the production efficiency that promotes error correction operation is technical issues that need to address.
Summary of the invention
In view of this, provide a kind of method and apparatus of realizing computation chip calibration.
The present invention is achieved in that a kind of method that realizes computation chip calibration, comprises the following steps: ammeter is positioned over tooling device; Described tooling device carries out rising source operation; Calculate the current power factor of described ammeter; Calculate the current perceptual error amount of described ammeter; Compensate underproof perceptual error; Calculate the current resistive error amount of described ammeter; Compensate underproof resistive error.
The present invention also provides a kind of device of realizing computation chip calibration, comprises power supply; Communicating terminal; Tooling device.Tooling device comprises two ammeter rest areas, induction installation, control module and electric terminals, two ammeters of calibration are placed in described two ammeter rest areas, described induction installation is connected to described ammeter by inductance, described control module is connected to described ammeter by electric signal, and described electric terminal is electrically connected to power supply and communication terminal.
The above-mentioned method and apparatus of realizing computation chip calibration, by intelligent fixture equipment, additional a error calibration software forms, and in whole execution calibration process, only need to rise source once, has omitted the source that the rises operation going round and beginning again; Calibration step is first carried out perceptual error correction, then carries out resistive error correction, and desired data is error current data, the performance number by ammeter and signal source with the performance number of standard scale, calculate.The production efficiency that contains computation chip single-phase electric meter improves greatly.
Accompanying drawing explanation
Fig. 1 is the process flow diagram that the present invention realizes the method for computation chip calibration.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1 is the process flow diagram of realizing the method for computation chip calibration.
Step S1, ammeter is positioned over tooling device;
Step S2, tooling device carries out rising source operation.After software reruns or detects frock and restart, need to carry out rising source operation.This rises source action need signal source is risen to perceptual condition.Then the parameter such as the voltage by read signal source, electric current, angle, sees that the source that whether rises is correct, if incorrect, proceeds to rise source operation (comprising operations such as falling source, fine setting); Correct, just can carry out the correct operation of ammeter.
Step S3, the current power factor of calculating ammeter.First the active power true value P, the reactive power true value Q that need reading electric meters.Again according to formula: S1 (power factor)=P/ Sqrt (P^2+Q^2), calculates the current power factor S1 of ammeter.
Step S4, the current perceptual error amount of calculating ammeter.Be specially: the power factor S2 in the standard scale of read signal source, then according to formula: E1=(S1-S2)/S2, calculates the current perceptual error value E 1 of ammeter.
Step S5, judges that whether perceptual error is qualified; If qualified, calculate the current resistive error amount of ammeter.
If defective, carry out S6, carry out perceptual error compensation.Be specially: according to current angular difference penalty coefficient A, current perceptual error value E 1, carry out perceptual error compensation with perceptual calibration agreement.Carry out again carrying out step S3 after perceptual error compensation.
Step S7, the current resistive error amount of calculating ammeter.
Algorithm is: the active power value P1 that reading electric meters is current, then the A phase active power value P2 in the standard scale of read signal source, and then according to formula: E2=(P1-P2)/P2, calculates the current resistive error value E 2 of ammeter.
Another kind of algorithm is: the active power true value P of reading electric meters, inner divider ratio F, meter constant C, calibration voltage Vol, calibration electric current Cur; Calculate again real power value P true=(P*6B40A3D0BH)/F*C*10000H; Power standard value P mark=Vol*Cur*0.5; According to formula E1=(P true-P mark)/P mark, calculate resistive error current value E2.
Step S8, judges that whether resistive error is qualified;
If resistive error is qualified, carry out S10, judge whether to need to continue calibration.If desired carry out the calibration of next piece ammeter; If do not need, finish.
If resistive error is defective, carry out S9, carry out resistive error compensation.Be specially: according to current resistive penalty coefficient B, current resistive error value E 2, carry out resistive error compensation with resistive calibration agreement.Carry out again carrying out step S7 after resistive error compensation.
The device of realizing computation chip calibration comprises power supply, communicating terminal and tooling device.By intelligent fixture equipment, additional a error calibration software forms, and in whole execution calibration process, only need to rise source once, has omitted the source that the rises operation going round and beginning again; Calibration step is first carried out perceptual error correction, then carries out resistive error correction, and desired data is error current data, the performance number by ammeter and signal source with the performance number of standard scale, calculate.
Tooling device comprises two ammeter rest areas, induction installation, control module and electric terminals.Two ammeters of calibration are placed in two ammeter rest areas.Induction installation is connected to ammeter by inductance.Control module is connected to ammeter by electric signal, obtains the parameter of ammeter by electric signal, and calibrates perceptual error amount and the resistive error amount of ammeter.Electric terminal is electrically connected to power supply and communication terminal.
Tooling device also comprises pilot lamp and hummer, and pilot lamp shows the state that ammeter is positioned at or ejects, and hummer is reported to the police to abnormal conditions.
As above, the method and apparatus of realizing computation chip calibration provided by the present invention, guaranteeing that error correcting function detects under the prerequisite of quality, by improving the calibration mode of PC software and the obtain manner of error, reduce Function detection cost, promote the production efficiency of error correction operation.In 1 hour, 1 employee just can proofread and correct the ammeter of 180 left and right, compared to before this phenotype error calibration method, production efficiency can improve more than 3 times.And by this method, also can reduce several manpowers, can save the human cost of production.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a method that realizes computation chip calibration, is characterized in that, comprises the following steps:
Ammeter is positioned over tooling device;
Described tooling device carries out rising source operation;
Calculate the current power factor of described ammeter;
Calculate the current perceptual error amount of described ammeter;
Compensate underproof perceptual error;
Calculate the current resistive error amount of described ammeter;
Compensate underproof resistive error.
2. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, the described source of rising operates this step of described tooling device and comprises:
Signal source is risen to perceptual condition;
By reading the parameter of described signal source, judge whether described tooling device rises source correct;
If incorrect, proceed to rise source operation;
If correctly, carry out the correct operation of described ammeter.
3. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, this step of current power factor of the described ammeter of described calculating comprises:
Read active power true value and the reactive power true value of described ammeter;
According to described active power true value and described reactive power true value, calculate the current power factor of ammeter.
4. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, this step of current perceptual error amount of the described ammeter of described calculating comprises:
Power factor in the standard scale of read signal source;
According to the power factor in described current power factor and described standard scale, calculate the current perceptual error amount of described ammeter.
5. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, underproof this step of perceptual error of described compensation comprises:
Judge that whether described perceptual error is qualified;
If qualified, calculate the current resistive error amount of described ammeter;
If defective, carry out perceptual error compensation.
6. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, this step of current resistive error amount of the described ammeter of described calculating comprises:
Read the active power value of described ammeter;
A phase active power value in the standard scale of read signal source, calculates the current resistive error amount of described ammeter according to described active power value and the A phase active power value in described standard scale.
7. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, this step of current resistive error amount of the described ammeter of described calculating comprises:
The active power true value of reading electric meters, inner divider ratio, meter constant, calibration voltage and calibration electric current; According to described active power true value, described inner divider ratio, described meter constant, described calibration voltage and calibration Current calculation real power value and power standard value;
According to described real power value and described power standard value, calculate resistive error current value.
8. the method that realizes computation chip calibration as claimed in claim 1, is characterized in that, underproof this step of resistive error of described compensation comprises:
Judge that whether described resistive error is qualified;
If qualified, carry out the calibration of next piece ammeter;
If defective, carry out resistive error compensation.
9. a device of realizing computation chip calibration, is characterized in that, comprising:
Power supply;
Communicating terminal;
Tooling device, comprises two ammeter rest areas, induction installation, control module and electric terminals, and two ammeters of calibration are placed in described two ammeter rest areas; Described induction installation is connected to described ammeter by inductance; Described control module is connected to described ammeter by electric signal, obtains the parameter of described ammeter by electric signal, and calibrates perceptual error amount and the resistive error amount of described ammeter; Described electric terminal is electrically connected to power supply and communication terminal.
10. the device of realizing computation chip calibration as claimed in claim 9, is characterized in that: described tooling device also comprises pilot lamp and hummer, and described pilot lamp shows the state that ammeter is positioned at or ejects, and described hummer is reported to the police to abnormal conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573524.5A CN103675750A (en) | 2013-11-14 | 2013-11-14 | Method and device to realize measurement chip electricity meter calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310573524.5A CN103675750A (en) | 2013-11-14 | 2013-11-14 | Method and device to realize measurement chip electricity meter calibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103675750A true CN103675750A (en) | 2014-03-26 |
Family
ID=50313895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310573524.5A Pending CN103675750A (en) | 2013-11-14 | 2013-11-14 | Method and device to realize measurement chip electricity meter calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103675750A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842652A (en) * | 2016-06-01 | 2016-08-10 | 国网重庆市电力公司电力科学研究院 | Digital electric energy meter online checking method |
| CN106249191A (en) * | 2016-08-19 | 2016-12-21 | 武汉盛帆电子股份有限公司 | The correction method of three-phase electric energy meter and device |
| CN112230179A (en) * | 2020-05-06 | 2021-01-15 | 青岛鼎信通讯股份有限公司 | MSP430F 47187-based calibration method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10142306A (en) * | 1996-11-11 | 1998-05-29 | Toshiba Corp | Method and apparatus for adjusting induction type watthour meter |
| WO2003060531A1 (en) * | 2002-01-09 | 2003-07-24 | Mitsubishi Denki Kabushiki Kaisha | Electronic watt-hour meter, error adjusting method, and power calculating circuit |
| CN101140320A (en) * | 2006-09-07 | 2008-03-12 | 深圳市科陆电子科技股份有限公司 | Electrical energy meter calibration stand and checking method thereof |
| CN102012496A (en) * | 2010-08-13 | 2011-04-13 | 深圳市科陆电子科技股份有限公司 | Fully automatic electric energy meter calibration system and method |
| CN102230959A (en) * | 2011-04-21 | 2011-11-02 | 深圳市锐能微科技有限公司 | Method and system for calibrating electric energy meter and electric energy meter |
| CN102608559A (en) * | 2012-03-19 | 2012-07-25 | 钜泉光电科技(上海)股份有限公司 | Method for collecting electric energy errors of electric energy meter and device thereof |
-
2013
- 2013-11-14 CN CN201310573524.5A patent/CN103675750A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10142306A (en) * | 1996-11-11 | 1998-05-29 | Toshiba Corp | Method and apparatus for adjusting induction type watthour meter |
| WO2003060531A1 (en) * | 2002-01-09 | 2003-07-24 | Mitsubishi Denki Kabushiki Kaisha | Electronic watt-hour meter, error adjusting method, and power calculating circuit |
| CN101140320A (en) * | 2006-09-07 | 2008-03-12 | 深圳市科陆电子科技股份有限公司 | Electrical energy meter calibration stand and checking method thereof |
| CN102012496A (en) * | 2010-08-13 | 2011-04-13 | 深圳市科陆电子科技股份有限公司 | Fully automatic electric energy meter calibration system and method |
| CN102230959A (en) * | 2011-04-21 | 2011-11-02 | 深圳市锐能微科技有限公司 | Method and system for calibrating electric energy meter and electric energy meter |
| CN102608559A (en) * | 2012-03-19 | 2012-07-25 | 钜泉光电科技(上海)股份有限公司 | Method for collecting electric energy errors of electric energy meter and device thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842652A (en) * | 2016-06-01 | 2016-08-10 | 国网重庆市电力公司电力科学研究院 | Digital electric energy meter online checking method |
| CN105842652B (en) * | 2016-06-01 | 2018-12-25 | 国网重庆市电力公司电力科学研究院 | A kind of digital electricity meter on-line testing method |
| CN106249191A (en) * | 2016-08-19 | 2016-12-21 | 武汉盛帆电子股份有限公司 | The correction method of three-phase electric energy meter and device |
| CN112230179A (en) * | 2020-05-06 | 2021-01-15 | 青岛鼎信通讯股份有限公司 | MSP430F 47187-based calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105388445B (en) | A kind of auto-adjustment method of single-phase electric energy meter | |
| CN104483650B (en) | A kind of correction method of ammeter | |
| CN101629994B (en) | Method for automatically calibrating terminal in batch | |
| CN109738849A (en) | The general quick correction method of single-phase electric energy meter | |
| CN101806876A (en) | Electronic type transformer checking system | |
| CN101393255A (en) | Verifying apparatus for zinc oxide arrester tester | |
| CN104020437A (en) | Electric energy meter correction method | |
| CN102944865A (en) | Method and system for automatic calibration of single-phase meter | |
| CN104977557A (en) | Device and method for calibrating contact resistance tester | |
| CN103675750A (en) | Method and device to realize measurement chip electricity meter calibration | |
| CN105372621A (en) | Device calibration method, mobile correction device and field measurement equipment | |
| CN104297710A (en) | High-current sensor calibration method based on curve fitting method | |
| WO2023179255A1 (en) | Charging device and method, and related equipment | |
| CN104991214A (en) | Digital integrated circuit direct current parameter standard reproducing method and standard apparatus | |
| CN103558571A (en) | Calibration system of electronic transformer and merging unit | |
| CN105510864A (en) | Electric energy meter error metering detection method | |
| CN111896909B (en) | Electric energy meter error correction method and device | |
| CN114062763A (en) | Mutual inductor assembly and implementation method and use method thereof without secondary calibration | |
| CN103513218A (en) | Calibration method for multi-path alternating-current ammeter | |
| CN105652056A (en) | Self-adaptive compensation method of single-phase electric energy meter voltage change influence quantity | |
| CN105044451A (en) | Power compensation optimizing method used in electric energy meter replacement in live working state based on least square method curve fitting | |
| CN108152782B (en) | Method for testing correction coefficient of high-supply high-count electric energy meter | |
| CN102879760B (en) | Method and device for checking errors of direct current electric energy meter by using standard alternating current electric energy meter | |
| CN207675837U (en) | A kind of electric automobile charging pile detector | |
| CN102857307A (en) | Calibration method and calibration device for digital mobile communication general-purpose tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140326 |
|
| RJ01 | Rejection of invention patent application after publication |