CN102012496B - Fully automatic electric energy meter calibration system and method - Google Patents
Fully automatic electric energy meter calibration system and method Download PDFInfo
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- CN102012496B CN102012496B CN201010253868.4A CN201010253868A CN102012496B CN 102012496 B CN102012496 B CN 102012496B CN 201010253868 A CN201010253868 A CN 201010253868A CN 102012496 B CN102012496 B CN 102012496B
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Abstract
The invention discloses a fully automatic electric energy meter calibration method. A fully automatic electric energy meter calibration system comprises a detected meter, a control center, a meter calibration device and a sorting mechanism, wherein the meter calibration device comprises a personal computer (PC), a programmable logic controller (PLC) and a standard source; the standard source comprises a power meter and a standard meter; the PC is connected with the PLC, the standard source and the detected meter for communication respectively; the detected meter is placed on the sorting mechanism; and the PLC is connected with the sorting mechanism. During the entire electric energy meter calibration process, manual intervention is not needed, and the system automatically detects whether the PLC gets ready or not, lifts the detected meter, assembles and disassembles a probe connection, informs that the PLC has been calibrated completely and sorts the qualified and unqualified products. By the system and the method, the efficiency of the entire calibration process is improved, the calibration time is saved and the enterprise labor cost is reduced.
Description
Technical field
The present invention relates to electric energy meter calibration, especially full automatic electric energy meter meter correcting system and method.
Background technology
In electric system, various electric energy meters, before networking, need to be calibrated its electric flux error, and the method for calibration is a lot, are generally the methods that adopts error testing.But no matter being that calibration steps, is all generally to adopt manually or semi-automatic calibration, and its shortcoming is: calibration speed is slow, and efficiency is low, needs manual intervention just can complete calibration process, unavoidably larger personal error can occur.
Summary of the invention
One of technical matters to be solved by this invention is to provide a kind of full automatic electric energy meter meter correcting system, and system architecture is simple, easy to operate, electric energy meter calibration overall process is without manual intervention, improve whole calibration process efficiency, saved the alignment time, reduced enterprises using the labor cost.
Two of technical matters to be solved by this invention is to provide a kind of full automatic electric energy meter correction method, and the method is simple, and electric energy meter calibration overall process, without manual intervention, has improved whole calibration process efficiency, saves the alignment time, reduces enterprises using the labor cost.
For one of solving the problems of the technologies described above, technical scheme of the present invention is: a kind of full automatic electric energy meter meter correcting system, comprises tested Biao, control center, tester; Described tester comprises PC, PLC, standard source, and described standard source comprises power meter and standard scale, and described PC is connected communication with PLC, standard source and tested table respectively; Be provided with mechanism for sorting, described tested table is positioned on described mechanism for sorting, and described PLC is connected with mechanism for sorting.
As improvement, described mechanism for sorting comprises power source, some pallets, and described power source is connected with described pallet, and described each tested table correspondence is positioned on a pallet.
As improvement, described PC is connected with tested table with standard scale by 485 interfaces.
For solve the problems of the technologies described above two, technical scheme of the present invention is: a kind of full automatic electric energy meter correction method, comprises tested Biao, control center, tester, mechanism for sorting; Described tester comprises PC, PLC, standard source, and described standard source comprises power meter and standard scale, and described PC is connected communication with PLC, standard source and tested table respectively; Described tested table is positioned on described mechanism for sorting, and described PLC is connected with mechanism for sorting; Its concrete correction method is as follows:
1) initialization PLC;
2) after PC judges that PLC is ready, to standard source, send and rise sourse instruction;
3) wait for that after power source stable output, PC reads tested table address;
4) PC starts to sending alignment preparation instruction under tested table;
5), after time delay, PC starts to read two-circuit measured value; (being that state's net single-phase meter has live wire electric current to also have neutral line current simultaneously)
6) PC starts to issue calibration command to tested table;
7) PC continues to send and rise sourse instruction to standard source;
8) after source is stable, read two-circuit measured value, read tested table neutral line current value;
9) the tested table after PC calculating calibration and the relative error between standard scale;
10) in PC, preserve calibration data and error result, inform that PLC has calibrated, and instruction mechanism for sorting rolls off the production line underproof table meter, qualified table meter automatic numbering, sets up corresponding relation with table address.
As improvement, described mechanism for sorting comprises power source, some pallets, and described power source is connected with described pallet, and described each tested table correspondence is positioned on a pallet.
As improvement, described PC is connected with tested table with standard scale by 485 interfaces.
As improvement, step 2) in reference voltage be 220V, electric current I B, power factor (PF) 0.5.
As improvement, step 7) in, reference voltage is 220V, electric current 2.0IB, power factor (PF) 0.5.
As improvement, step 9) in the error amount set be no more than 1%, the relative error between tested table and standard scale surpasses 1%, PC thinks that this tested table is defective.
The beneficial effect that the present invention compared with prior art brought is:
Calibration overall process is without manual intervention, and whether system detects PLC automatically ready, automatically praises tested table, automatically installs and removes probe wiring, automatically informs that PLC has calibrated, and automatic sorting is qualified and defective.Improve whole calibration process efficiency, saved the alignment time, reduced enterprises using the labor cost.
Accompanying drawing explanation
Fig. 1 is system framework figure of the present invention;
Fig. 2 is calibration process flow diagram of the present invention.
Embodiment
Below in conjunction with instructions, the invention will be further described.
As shown in Figure 1, a kind of full automatic electric energy meter correction method, comprises tested Biao, control center, tester, mechanism for sorting.Described tester comprises PC, PLC, standard source, and described standard source comprises power meter and standard scale.Described PC is connected with PLC, can move and accept PLC information feedback by instruction PLC.Described PC is connected communication with the standard scale of standard source with tested table by 485 interfaces.Described PLC is connected with mechanism for sorting, and described mechanism for sorting comprises power source, some pallets, and described power source is connected with described pallet, and described each tested table correspondence is positioned on a pallet.
As shown in Figure 2, electric energy meter calibration steps is as follows:
1) initialization PLC;
2) after PC judges that PLC is ready, to standard source, send and rise sourse instruction, reference voltage is 220V, electric current I B, power factor (PF) 0.5.
3) wait for that after power source stable output, PC reads tested table address;
4) PC starts to sending alignment preparation instruction under tested table;
5) time delay is after 8 seconds, and PC starts to read two-circuit measured value; (being that state's net single-phase meter has live wire electric current to also have neutral line current simultaneously)
6) PC starts to issue calibration command to tested table;
7) PC continues to send and rise sourse instruction to standard source, and reference voltage is 220V, electric current 2.0IB, power factor (PF) 0.5.
8) after source is stable, read two-circuit measured value, read tested table neutral line current value;
9) the tested table after PC calculating calibration and the relative error between standard scale; The error amount of middle setting is no more than 1%, and the relative error between tested table and standard scale surpasses 1%, and PC thinks that this tested table is defective.
10) in PC, preserve calibration data and error result, inform that PLC has calibrated, and instruction mechanism for sorting rolls off the production line underproof table meter, qualified table meter automatic numbering, sets up corresponding relation with table address, top tray.
The present invention is in electric energy meter calibration overall process without manual intervention, and whether system detects PLC automatically ready, automatically praises tested table, automatically installs and removes probe wiring, automatically informs that PLC has calibrated, and automatic sorting is qualified and defective.Improve whole calibration process efficiency, saved the alignment time, reduced enterprises using the labor cost.
Claims (5)
1. a full automatic electric energy meter correction method, is characterized in that: comprise tested Biao, control center, tester, mechanism for sorting; Described tester comprises PC, PLC, standard source, and described standard source comprises power meter and standard scale, and described PC is connected communication with PLC, standard source and tested table respectively; Described tested table is positioned on described mechanism for sorting, and described PLC is connected with mechanism for sorting; Its concrete correction method is as follows:
1) initialization PLC;
2) after PC judges that PLC is ready, to standard source, send and rise sourse instruction;
3) wait for that after power source stable output, PC reads tested table address;
4) PC starts to sending alignment preparation instruction under tested table;
5), after time delay, PC starts to read two-circuit measured value;
6) PC starts to issue calibration command to tested table;
7) PC continues to send and rise sourse instruction to standard source;
8) after source is stable, read two-circuit measured value, read tested table neutral line current value;
9) the tested table after PC calculating calibration and the relative error between standard scale;
10) in PC, preserve calibration data and error result, inform that PLC has calibrated, and instruction mechanism for sorting rolls off the production line underproof table meter, qualified table meter automatic numbering, sets up corresponding relation with table address.
2. a kind of full automatic electric energy meter correction method according to claim 1, is characterized in that: described mechanism for sorting comprises power source, some pallets, and described power source is connected with described pallet, and described each tested table correspondence is positioned on a pallet.
3. a kind of full automatic electric energy meter correction method according to claim 1, is characterized in that: described PC is connected with tested table with standard scale by 485 interfaces.
4. a kind of full automatic electric energy meter correction method according to claim 1, is characterized in that: step 7) in, reference voltage is 220V, electric current 2.0IB, power factor (PF) 0.5.
5. a kind of full automatic electric energy meter correction method according to claim 1, is characterized in that: step 9) in the error amount set be no more than 1%, the relative error between tested table and standard scale surpasses 1%, PC thinks that this tested table is defective.
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| CN201010253868.4A CN102012496B (en) | 2010-08-13 | 2010-08-13 | Fully automatic electric energy meter calibration system and method |
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| CN201010253868.4A CN102012496B (en) | 2010-08-13 | 2010-08-13 | Fully automatic electric energy meter calibration system and method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253353A (en) * | 2011-04-19 | 2011-11-23 | 河北省电力研究院 | Method and device for automatically calibrating micro-ammeters |
| CN102288934A (en) * | 2011-08-05 | 2011-12-21 | 南通林洋电气有限公司 | Full-automatic calibrator and calibration method thereof |
| CN102565747A (en) * | 2012-01-10 | 2012-07-11 | 深圳市科陆电子科技股份有限公司 | Automatic verification system and method for single-phase intelligent watt-hour meter |
| CN102608560A (en) * | 2012-04-01 | 2012-07-25 | 贵州电力试验研究院 | Detection device for measuring accuracy of electric energy meter |
| CN103675750A (en) * | 2013-11-14 | 2014-03-26 | 深圳市航天泰瑞捷电子有限公司 | Method and device to realize measurement chip electricity meter calibration |
| CN104749550B (en) * | 2015-04-21 | 2018-01-26 | 国家电网公司 | A kind of asynchronous calibrating installation of single-phase multi-epitope and its calibration method |
| CN105807129B (en) * | 2016-03-02 | 2018-11-02 | 中国人民解放军91663部队 | Power meter with metering interface and its method |
| CN108089039B (en) * | 2017-12-20 | 2020-10-27 | 宁波三星医疗电气股份有限公司 | Method for shortening factory parameter setting time of electric energy meter |
| CN114089266B (en) * | 2022-01-21 | 2022-05-20 | 杭州炬华科技股份有限公司 | Meter calibration method and system suitable for single-phase double-loop electric energy meter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592717A (en) * | 2009-06-30 | 2009-12-02 | 深圳市科陆电子科技股份有限公司 | The method of automatically calibrating electrical instrument and system thereof |
| CN201436645U (en) * | 2009-07-01 | 2010-04-07 | 广东赛杰自动化与信息技术转移中心有限公司 | An electromechanical integrated training system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592717A (en) * | 2009-06-30 | 2009-12-02 | 深圳市科陆电子科技股份有限公司 | The method of automatically calibrating electrical instrument and system thereof |
| CN201436645U (en) * | 2009-07-01 | 2010-04-07 | 广东赛杰自动化与信息技术转移中心有限公司 | An electromechanical integrated training system |
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Application publication date: 20110413 Assignee: SHENZHEN HONGZHI SOFTWARE CO., LTD. Assignor: Kelu Electronic Science-Technology Co., Ltd., Shenzhen Contract record no.: 2014440020483 Denomination of invention: Fully automatic electric energy meter calibration system and method Granted publication date: 20140129 License type: Exclusive License Record date: 20141230 |
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Inventor after: Zhuang Gewei Inventor after: Chen Haibin Inventor after: Xiang Xuyang Inventor after: Zhang Honghong Inventor after: Zhang Jingyue Inventor after: Shen Juan Inventor after: Tang Lijun Inventor before: Tang Lijun |
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Effective date of registration: 20171120 Address after: No. 181 East Nanjing Road, Shanghai, Huangpu District Co-patentee after: Kelu Electronic Science-Technology Co., Ltd., Shenzhen Patentee after: State Grid Shanghai Municipal Electric Power Company Address before: 518000 Nanshan District science and Technology Park, Guangdong, Southern District, building T2, building, floor, 5 Patentee before: Kelu Electronic Science-Technology Co., Ltd., Shenzhen |
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