CN201654223U - Verification device for electric energy meters - Google Patents
Verification device for electric energy meters Download PDFInfo
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- CN201654223U CN201654223U CN2010201630922U CN201020163092U CN201654223U CN 201654223 U CN201654223 U CN 201654223U CN 2010201630922 U CN2010201630922 U CN 2010201630922U CN 201020163092 U CN201020163092 U CN 201020163092U CN 201654223 U CN201654223 U CN 201654223U
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- electric energy
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Abstract
The utility model discloses a verification device for electric energy meters. The device comprises a device body and an electric energy meter to be verified, wherein a comparator is arranged in the device body; the accuracy class of the comparator is higher than that of the electric energy meter to be verified; the comparator and the input terminal of the electric energy meter to be verified adopt inphase line current and phase voltage for connection; the comparator and the detection output port of the electric energy meter to be verification are equipped with a data memory EEPROM; the output port of the data memory EEPROM is equipped with an RS422 conversion module; the output terminal of the RS422 is connected with a concentrator used for collecting, preliminary counting, processing and storing the data of the data memory EEPROM; and the concentrator transmits data to the computer of a system master station verification center through GPRS. The verification device for electric energy meters can remotely operate and control the verification on multiple electric energy meters, thereby achieving high operating efficiency and lower detection cost, and further improving the meter management level of power supply enterprises.
Description
Technical field
The utility model relates to a kind of calibrating installation of electric energy meter, belongs to the electric energy meter calibration equipment technical field.
Background technology
At present, traditional electric energy meter calibration batch detection before regular visit or the dress table normally.The tape test instrument is found when electric energy meter goes wrong often late for it to on-site proving this moment during regular visit; The work workload was big when calibrating was measured in batches before the dress table, and detection efficiency is low, thereby influenced power supply enterprise's table meter management development.Chinese patent ZL01217726.1, be a kind of three resistance sampling three-phase and four-line full electronic watches, it is by gauge stand, watchcase, dial framework, register and electronic circuit constitute, register and electronic circuit are fixed in dial framework, and electric energy metrical is partly realized modularization in the electronic watch circuit, characteristics are for all being serially connected with sample resistance in three phase lines of this electric energy meter, three sample resistance signal output parts are connected to three separate metering circuit input ends respectively, the output terminal of these three mutual metering circuits is connected with the single-chip microcomputer input end by three groups of photoelectrical couplers, the output terminal of single-chip microcomputer runs device with the meter degree and is connected, and this kind three-phase and four-line full electronic watch can be used as comparer of the present utility model and uses.
The utility model content
The purpose of this utility model is to provide a kind of electric energy meter calibrating apparatus, can operated from a distance control many electric energy meter calibrations, and high efficiency reduces and detects cost, counts management development thereby improve power supply enterprise's table.
The purpose of this utility model is to realize by following technical scheme:
A kind of electric energy meter calibrating apparatus, comprise the electric energy meter to be examined and determine that device body and device body are outer, the built-in comparer of described device body, described comparer accuracy class is higher than the accuracy class of electric energy meter to be examined and determine, and the umber of pulse of being exported and the pulsed frequency of electric energy meter are consistent; Described comparer is connected with phase voltage with the line current that the input end of waiting to examine and determine electric energy meter is got homophase, the detection delivery outlet of described comparer and electric energy meter to be measured disposes a data-carrier store EEPROM, the delivery outlet of data-carrier store EEPROM disposes a RS422 modular converter, the output terminal of RS422 is connected with concentrator, and described concentrator is used to collect the data of data-carrier store EEPROM3 and carries out rough estimates, processing, storage; Described concentrator carries out data transmission by the computing machine at GPRS and main website of system calibrating center, makes computer realization to every electric energy meter calibrating apparatus Long-distance Control.
Electric energy meter calibrating apparatus of the present utility model, electric energy meter, GPRS terminal and comparer are made up, make the calibrating center to examine and determine electric energy meter at a distance, must arrive on-the-spot inconvenience by the tape verifying instrument when having solved electric energy meter regular visit in the prior art, the work workload is big when also having solved the preceding calibrating in batches of dress table measurement, the defective that detection efficiency is low, can operated from a distance control many electric energy meter calibrations, high efficiency, reduce and detect cost, thereby improve power supply enterprise's table meter management development.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, electric energy meter calibrating apparatus of the present utility model, comprise the electric energy meter to be examined and determine 2 that device body 1 and device body are outer, described device body 1 built-in comparer, described comparer accuracy class is higher than the accuracy class of electric energy meter to be examined and determine 2, and the pulsed frequency of umber of pulse of being exported and electric energy meter 2 is consistent; Described comparer is connected with phase voltage with the line current that the input end of waiting to examine and determine electric energy meter 2 is got homophase, the detection delivery outlet of described comparer and electric energy meter to be measured 2 disposes a data-carrier store EEPROM3, the delivery outlet of data-carrier store EEPROM3 disposes a RS422 modular converter 4, the output terminal of RS422 is connected with concentrator 5, and described concentrator 5 is used to collect the data of data-carrier store EEPROM3 and carries out rough estimates, processing, storage; Described concentrator 5 carries out data transmission by the computing machine at GPRS and main website of system calibrating center 6.Make computer realization to every electric energy meter calibrating apparatus Long-distance Control.When the computing machine at calibrating center 6 when concentrator 5 sends the calibrating order, concentrator 5 can be delivered to computing machine in real time with all pulse datas of electric energy meter in a couple of days 2 and comparer and compare, the computing machine at calibrating center 6 just can be judged the operation pass condition of electric energy meter from the tendency of electric energy meter 2, and the electric energy meter 2 here is three-phase three-wire electric energy meter or three-phase and four-line electric energy meter.
Claims (1)
1. electric energy meter calibrating apparatus, comprise the electric energy meter to be examined and determine that device body and device body are outer, it is characterized in that: the built-in comparer of described device body, described comparer accuracy class is higher than the accuracy class of electric energy meter to be examined and determine, and the umber of pulse of being exported and the pulsed frequency of electric energy meter are consistent; Described comparer is connected with phase voltage with the line current that the input end of waiting to examine and determine electric energy meter is got homophase, the detection delivery outlet of described comparer and electric energy meter to be measured disposes a data-carrier store EEPROM, the delivery outlet of data-carrier store EEPROM disposes a RS422 modular converter, the output terminal of RS422 is connected with concentrator, and described concentrator is used to collect the data of data-carrier store EEPROM and carries out rough estimates, processing, storage; Described concentrator carries out data transmission by the computing machine at GPRS and main website of system calibrating center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201630922U CN201654223U (en) | 2010-04-20 | 2010-04-20 | Verification device for electric energy meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201630922U CN201654223U (en) | 2010-04-20 | 2010-04-20 | Verification device for electric energy meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201654223U true CN201654223U (en) | 2010-11-24 |
Family
ID=43119467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201630922U Expired - Fee Related CN201654223U (en) | 2010-04-20 | 2010-04-20 | Verification device for electric energy meters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201654223U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736055A (en) * | 2012-06-15 | 2012-10-17 | 宁波三星电气股份有限公司 | Method for detecting metering accuracy of three-phase intelligent electric meter on line |
| WO2013053112A1 (en) * | 2011-10-12 | 2013-04-18 | 华北电网有限公司计量中心 | Workpiece tray of concentrator or special transformer acquisition terminal |
| CN104198971A (en) * | 2014-09-05 | 2014-12-10 | 国家电网公司 | Concentrator for automated test of assembly line field calibration |
| CN104198974A (en) * | 2014-09-05 | 2014-12-10 | 国家电网公司 | Specifically changed collection terminal for automated test of assembly line field calibration |
| CN106940434A (en) * | 2017-04-05 | 2017-07-11 | 贵州电网有限责任公司电力科学研究院 | A kind of long-range calibrating installation of electric energy meter platform and automatic calibrating method |
-
2010
- 2010-04-20 CN CN2010201630922U patent/CN201654223U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053112A1 (en) * | 2011-10-12 | 2013-04-18 | 华北电网有限公司计量中心 | Workpiece tray of concentrator or special transformer acquisition terminal |
| CN103649761A (en) * | 2011-10-12 | 2014-03-19 | 国家电网公司 | Workpiece tray of concentrator or special transformer acquisition terminal |
| CN103649761B (en) * | 2011-10-12 | 2015-12-09 | 国家电网公司 | The tray for work pieces of a kind of concentrator or specially change acquisition terminal |
| CN102736055A (en) * | 2012-06-15 | 2012-10-17 | 宁波三星电气股份有限公司 | Method for detecting metering accuracy of three-phase intelligent electric meter on line |
| CN102736055B (en) * | 2012-06-15 | 2016-07-13 | 宁波三星医疗电气股份有限公司 | The online test method of the three-phase intelligent ammeter accuracy of measuring |
| CN104198971A (en) * | 2014-09-05 | 2014-12-10 | 国家电网公司 | Concentrator for automated test of assembly line field calibration |
| CN104198974A (en) * | 2014-09-05 | 2014-12-10 | 国家电网公司 | Specifically changed collection terminal for automated test of assembly line field calibration |
| CN106940434A (en) * | 2017-04-05 | 2017-07-11 | 贵州电网有限责任公司电力科学研究院 | A kind of long-range calibrating installation of electric energy meter platform and automatic calibrating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110420 |