CN205353344U - Long -range online automatic check -out system of electronic electric energy meter - Google Patents
Long -range online automatic check -out system of electronic electric energy meter Download PDFInfo
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- CN205353344U CN205353344U CN201520999028.0U CN201520999028U CN205353344U CN 205353344 U CN205353344 U CN 205353344U CN 201520999028 U CN201520999028 U CN 201520999028U CN 205353344 U CN205353344 U CN 205353344U
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Abstract
The utility model discloses a long -range online automatic check -out system of electronic electric energy meter, including check -up terminal, remote server, electronic electric energy meter, current transformer and voltage transformer the check -up terminal comprises standard electric energy meter, acquisition unit, main processing unit and communication unit, voltage transformer's one end electric connection electronic electric energy meter electronic electric energy meter electric connection standard electric energy meter and acquisition unit, this long -range online automatic check -out system of electronic electric energy meter, on the one hand electronic electric energy meter's online quick automatic check is realized to accessible acquisition unit and standard table electric energy meter, the accessible communication unit is looked over and is reported to the police with the long -range real -time data of remote server realization again on the one hand, thereby the utility model discloses electronic electric energy meter's long -range online automatic check be can realize, electronic electric energy meter's accuracy and reliability have been improved greatly.
Description
Technical field
This utility model belongs to automatic Verification technical field, is specifically related to a kind of electronic electric energy meter remote online automatic checking system.
Background technology
The calibrating record of electronic electric energy meter is the basis that operation of power networks technical-economic index is adjusted, and trade both sides settle accounts the legal foundation of the electricity charge especially.At present, the verification overwhelming majority for electronic electric energy meter adopts calibration pulse relative method, and when verifying electrical energy meter accuracy, line load be there are certain requirements (electric energy meter Calibrated current is more than 10%, S level electric energy meter Calibrated current is more than 5%, power factor is more than 0.5, and load is relatively stable), once run into load or power factor is too low, electric energy meter sends a pulse to be needed the long period and easily loses, it is easy to cause error checking time length and the inaccurate problem of error testing.Meanwhile, in view of this, the present utility model people, for adopting drawbacks described above during calibration pulse method verification electronic watt-hour Watch Error to further investigate, has this case to produce then.
Utility model content
The purpose of this utility model is in that to provide a kind of electronic electric energy meter remote online automatization check system, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme: a kind of electronic electric energy meter remote online automatic checking system, including verification terminal, remote server, electronic electric energy meter, current transformer and voltage transformer, described verification terminal is by standard electric energy meter, collecting unit, Main Processor Unit and communication unit composition, described Main Processor Unit one end is electrically connected standard electric energy meter and collecting unit, other end signal connecting communication unit, between described communication unit and remote server, signal is connected, described current transformer one end is electrically connected with electronic electric energy meter and standard electric energy meter, one end of described voltage transformer is electrically connected electronic electric energy meter described in electronic electric energy meter and is electrically connected standard electric energy meter and collecting unit.
Preferably, described verification terminal is at least 1, and each verification terminal is equipped with collecting unit, and collecting unit one end is electrically connected with electronic electric energy meter by RS485, and the other end is electrically connected with standard electric energy meter.
Preferably, described collecting unit is multi pass acquisition channel unit.
Technique effect of the present utility model and advantage: this electronic electric energy meter remote online automatic checking system, the online fast automatic verification of electronic electric energy meter can be realized on the one hand by collecting unit and standard scale electric energy meter, remote real-time data can be realized by communication unit and remote server again on the one hand check and report to the police, thus this utility model can realize the remote online automatic Verification of electronic electric energy meter, substantially increase accuracy and the reliability of electronic electric energy meter.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present utility model；
In figure: A, verification terminal；B, remote server；C, electronic electric energy meter；D, current transformer；E, voltage transformer；A, standard electric energy meter；B, collecting unit；C, Main Processor Unit；D, communication unit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
This utility model provides a kind of electronic electric energy meter remote online automatic checking system as shown in Figure 1, including verification terminal A, remote server B, electronic electric energy meter C, current transformer D and voltage transformer E, described verification terminal A is by standard electric energy meter a, collecting unit b, Main Processor Unit c and communication unit d composition, Main Processor Unit c one end is electrically connected standard electric energy meter a and collecting unit b, other end signal connecting communication unit d, between communication unit d with remote server B, signal is connected, current transformer D one end is electrically connected with electronic electric energy meter C and standard electric energy meter a, one end of voltage transformer E is electrically connected electronic electric energy meter C, electronic electric energy meter C is electrically connected standard electric energy meter a and collecting unit b, verification terminal A is at least 1, and each verification terminal A is equipped with collecting unit b, collecting unit b one end is electrically connected by RS485 and electronic electric energy meter C, the other end is electrically connected with standard electric energy meter a, collecting unit b is multi pass acquisition channel unit.
Operation principle: electronic electric energy meter remote online automatic checkout system mainly includes verification terminal A and remote server B two parts, wherein verification terminal A comprises: standard electric energy meter unit a, collecting unit b, Main Processor Unit c and communication unit d；The standard electric energy meter a concatenation of verification terminal A accesses the secondary circuit of current transformer D corresponding for electronic electric energy meter C, thus obtaining the standard current value of electronic electric energy meter C place electric current secondary loop；Standard electric energy meter a is connected in parallel on the secondary circuit of voltage transformer E corresponding for electronic electric energy meter C simultaneously, thus obtaining the standard voltage value of electronic electric energy meter C place voltage secondary circuit；Standard electric energy meter a calculates calibration power according to obtained normalized current, magnitude of voltage, the collecting unit b of verification terminal A is connected with electronic electric energy meter C by RS485 line, gather the mean power of electronic electric energy meter C, and collection gained power is delivered to standard electric energy meter a, and then draw the error amount of electronic electric energy meter C；Remote server B sends checking command by network to the communication unit d of verification terminal A, after communication unit d receives checking command, instruction is sent to Main Processor Unit c, Main Processor Unit c is after adding and receiving instruction, control signal is sent respectively to standard electric energy meter a and collecting unit b, standard electric energy meter a and collecting unit b is upon the reception of control signals, at once data acquisition is carried out, power calculation and error checking, after error checking completes, error amount is returned to Main Processor Unit c by standard electric energy meter a, error amount back pass to remote server B is carried out error by communication unit d by Main Processor Unit c to be checked；If verification error amount exceedes the error preset value of Main Processor Unit c, overproof for error warning signal back pass in the lump to remote server B, remote server B is then sent warning according to warning signal by Main Processor Unit c, reminds relevant staff；This electronic electric energy meter remote online automatic checking system, the online fast automatic verification of electronic electric energy meter can be realized on the one hand by collecting unit and standard scale electric energy meter, remote real-time data can be realized by communication unit and remote server again on the one hand check and report to the police, thus this utility model can realize the remote online automatic Verification of electronic electric energy meter, substantially increase accuracy and the reliability of electronic electric energy meter.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; it is not limited to this utility model; although this utility model being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent replacement; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (3)
1. an electronic electric energy meter remote online automatic checking system, including verification terminal (A), remote server (B), electronic electric energy meter (C), current transformer (D) and voltage transformer (E), it is characterized in that: described verification terminal (A) is by standard electric energy meter (a), collecting unit (b), Main Processor Unit (c) and communication unit (d) composition, described Main Processor Unit (c) one end is electrically connected standard electric energy meter (a) and collecting unit (b), other end signal connecting communication unit (d), between described communication unit (d) with remote server (B), signal is connected, described current transformer (D) one end is electrically connected with electronic electric energy meter (C) and standard electric energy meter (a), one end of described voltage transformer (E) is electrically connected electronic electric energy meter (C), described electronic electric energy meter (C) is electrically connected standard electric energy meter (a) and collecting unit (b).
2. a kind of electronic electric energy meter remote online automatic checking system as claimed in claim 1, it is characterized in that, described verification terminal (A) is at least 1, and each verification terminal (A) is equipped with collecting unit (b), collecting unit (b) one end is electrically connected with electronic electric energy meter (C) by RS485, and the other end is electrically connected with standard electric energy meter (a).
3. a kind of electronic electric energy meter remote online automatic checking system as claimed in claim 1, it is characterised in that: described collecting unit (b) is multi pass acquisition channel unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999028.0U CN205353344U (en) | 2015-12-07 | 2015-12-07 | Long -range online automatic check -out system of electronic electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999028.0U CN205353344U (en) | 2015-12-07 | 2015-12-07 | Long -range online automatic check -out system of electronic electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353344U true CN205353344U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520999028.0U Expired - Fee Related CN205353344U (en) | 2015-12-07 | 2015-12-07 | Long -range online automatic check -out system of electronic electric energy meter |
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| CN (1) | CN205353344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589394A (en) * | 2017-09-19 | 2018-01-16 | 国网江西省电力公司电力科学研究院 | A kind of electric energy meter direct current and even-order harmonic pilot system and method |
| CN109655781A (en) * | 2019-01-21 | 2019-04-19 | 北京振中电子技术有限公司 | Detection device of electric energy meter, system and power grid maintenance equipment |
-
2015
- 2015-12-07 CN CN201520999028.0U patent/CN205353344U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589394A (en) * | 2017-09-19 | 2018-01-16 | 国网江西省电力公司电力科学研究院 | A kind of electric energy meter direct current and even-order harmonic pilot system and method |
| CN107589394B (en) * | 2017-09-19 | 2020-06-23 | 国网江西省电力公司电力科学研究院 | Direct current and even harmonic test system and method for electric energy meter |
| CN109655781A (en) * | 2019-01-21 | 2019-04-19 | 北京振中电子技术有限公司 | Detection device of electric energy meter, system and power grid maintenance equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20161207 |