CN201993459U - Real-time quality monitoring device for electric energy meter verification device - Google Patents
Real-time quality monitoring device for electric energy meter verification device Download PDFInfo
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- CN201993459U CN201993459U CN2011200334362U CN201120033436U CN201993459U CN 201993459 U CN201993459 U CN 201993459U CN 2011200334362 U CN2011200334362 U CN 2011200334362U CN 201120033436 U CN201120033436 U CN 201120033436U CN 201993459 U CN201993459 U CN 201993459U
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Abstract
The utility model relates to a real-time quality monitoring device for an electric energy meter verification device, in particular to a device and a method for verifying an electric energy meter. The conventional standard electric energy meter can be checked after a period of time, if the error of the standard electric energy meter is increased within the period of time, the quality of the batch of the checked electric energy meters is affected, and the accuracy of the electric energy meter cannot be ensured. The real-time quality monitoring device for the electric energy meter verification device is characterized by the inclusion of a second standard electric energy meter with an input terminal connected with a voltage and current output device, and a second error calculator connected with a first standard electric energy meter and the second standard electric energy meter and used for testing the comparative error between the first standard electric energy meter and the second standard electric energy meter, wherein the second error calculator is communicated and connected with a computer for transmitting the comparison result of output pulses of the first standard electric energy meter and the second standard electric energy meter to the computer. The real-time quality monitoring device can ensure the normal function of the electric energy meter verification device, ensure the quality of the electric energy meter and improve the stability.
Description
Technical field
The utility model relates to a kind of calibrator for watt-hour meter.
Background technology
On existing calibrator for watt-hour meter, generally adopt relative method to carry out the error of electric energy meter is tested at present.Because the electric energy meter calibration rules are more and more higher to the requirement of electric energy meter error, therefore to the accuracy of the supporting standard electric energy meter of calibrator for watt-hour meter itself and the also corresponding raising of requirement of stability.The general standard electric energy meter was just checked every a period of time, if become big at this time period internal standard electric energy meter error, then influenced the quality of electric energy meter that this batch examined, and the accuracy of electric energy meter can not get guaranteeing.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, and provides a kind of test of kilo watthour meter quality real time monitoring apparatus, to reach the purpose that guarantees the electric energy meter quality.For this reason, the utility model is taked following technical scheme.
Test of kilo watthour meter quality real time monitoring apparatus, calibrator for watt-hour meter comprises the voltage and current output unit, first standard electric energy meter that is connected with the voltage and current output unit, first Error Calculator that connects first standard electric energy meter and tested electric energy meter, the computing machine that is connected with the first Error Calculator communication, it is characterized in that: test of kilo watthour meter quality real time monitoring apparatus comprises that second standard electric energy meter that input end is connected with the voltage and current output unit reaches and first, what second master meter connected is used to test first, second Error Calculator of second master meter comparison error, second Error Calculator are connected with the computing machine communication with first, second standard electric energy meter output pulse comparison result is given computing machine.First knows the comparison error that the difference counter is used to calculate first standard electric energy meter and tested electric energy meter output pulse, and when error during greater than setting value, the notice computing machine is to judge that this tested electric energy meter is defective.Second Error Calculator is compared to the output pulse of first, second standard electric energy meter, when both comparison error amounts surpass setting value, and the notice computing machine; Realization guarantees the quality of electric energy meter to the real-time monitoring of first standard electric energy meter.
As the further of technique scheme improved and replenish, the utility model also comprises following additional technical feature.
Described test of kilo watthour meter quality real time monitoring apparatus is located in the housing of calibrator for watt-hour meter.Second Error Calculator and second standard electric energy meter are connected in the calibrator for watt-hour meter for a long time, as the part of calibrator for watt-hour meter.
Beneficial effect: second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judging the comparison error, whether the quality inspection of monitoring calibrator for watt-hour meter is normal to guarantee the calibrator for watt-hour meter function in specialized range in real time, guarantee the quality of electric energy meter, improve stability.
Description of drawings
Fig. 1 is the single-phase apparatus structure synoptic diagram of the utility model.
Fig. 2 is the utility model three-phase installation structural representation.
Embodiment
Below in conjunction with Figure of description the technical solution of the utility model is described in further detail.
As shown in Figure 1, 2, test of kilo watthour meter quality real time monitoring apparatus, calibrator for watt-hour meter comprise voltage and current output unit, first standard electric energy meter that is connected with the voltage and current output unit, connection first standard electric energy meter and first Error Calculator of tested electric energy meter, the computing machine that is connected with the first Error Calculator communication; Test of kilo watthour meter quality real time monitoring apparatus comprises second standard electric energy meter that input end is connected with the voltage and current output unit and second Error Calculator that is used to test first, second master meter comparison error that is connected with first, second master meter, and second Error Calculator is connected with the computing machine communication to give computing machine with first, second standard electric energy meter output pulse comparison result.Test of kilo watthour meter quality real time monitoring apparatus is located in the housing of calibrator for watt-hour meter.
Test of kilo watthour meter quality method for real-time monitoring: second Error Calculator is compared according to the output pulse of first, second standard electric energy meter, calculate both comparison errors, by judging the comparison error, whether the quality inspection of monitoring calibrator for watt-hour meter in real time is normal to guarantee the calibrator for watt-hour meter function in specialized range.When the comparison error of first, second standard electric energy meter surpasses certain value, second Error Calculator notice computing machine, computing machine stops the check to tested electric energy meter.First standard electric energy meter and second standard electric energy meter are the standard electric energy meter with class of accuracy, and the error characteristics basically identical of first, second standard electric energy meter.
In Fig. 1, the input end of first standard electric energy meter, second standard electric energy meter is electrically connected with the single-phase output terminal of voltage and current output unit by a connecting line, and second Error Calculator is carried out the error contrast to the single-phase voltage pulse and the current impulse of the output of first, second standard electric energy meter.In Fig. 2, the input end of first, second standard electric energy meter is electrically connected with the three-phase output end of voltage and current output unit by three connecting lines respectively, and second Error Calculator is carried out error to the three-phase voltage pulse of the output of first, second standard electric energy meter and three-phase current pulse respectively and contrasted.
Test of kilo watthour meter quality real time monitoring apparatus shown in above Fig. 1,2 and method are specific embodiment of the utility model; the utility model substantive distinguishing features and progress have been embodied; can be according to the use needs of reality; under enlightenment of the present utility model; it is carried out the equivalent modifications of aspects such as shape, structure, all at the row of the protection domain of this programme.
Claims (2)
1. test of kilo watthour meter quality real time monitoring apparatus, calibrator for watt-hour meter comprises the voltage and current output unit, first standard electric energy meter that is connected with the voltage and current output unit, first Error Calculator that connects first standard electric energy meter and tested electric energy meter, the computing machine that is connected with the first Error Calculator communication, it is characterized in that: test of kilo watthour meter quality real time monitoring apparatus comprises that second standard electric energy meter that input end is connected with the voltage and current output unit reaches and first, what second master meter connected is used to test first, second Error Calculator of second master meter comparison error, second Error Calculator are connected with the computing machine communication with first, second standard electric energy meter output pulse comparison result is given computing machine.
2. test of kilo watthour meter quality real time monitoring apparatus according to claim 1 is characterized in that: described test of kilo watthour meter quality real time monitoring apparatus is located in the housing of calibrator for watt-hour meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200334362U CN201993459U (en) | 2011-01-31 | 2011-01-31 | Real-time quality monitoring device for electric energy meter verification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200334362U CN201993459U (en) | 2011-01-31 | 2011-01-31 | Real-time quality monitoring device for electric energy meter verification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993459U true CN201993459U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200334362U Expired - Lifetime CN201993459U (en) | 2011-01-31 | 2011-01-31 | Real-time quality monitoring device for electric energy meter verification device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201993459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087351A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Watt-hour meter inspection quality real-time monitoring device and method |
| CN102967841A (en) * | 2012-11-29 | 2013-03-13 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter verification system and method based on meter and source integration and application of system and method |
-
2011
- 2011-01-31 CN CN2011200334362U patent/CN201993459U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087351A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Watt-hour meter inspection quality real-time monitoring device and method |
| CN102087351B (en) * | 2011-01-31 | 2014-03-26 | 浙江省电力公司 | Watt-hour meter inspection quality real-time monitoring device and method |
| CN102967841A (en) * | 2012-11-29 | 2013-03-13 | 辽宁省电力有限公司电力科学研究院 | Automatic digital multimeter verification system and method based on meter and source integration and application of system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20140326 |