CN204177956U - A kind of single-phase intelligent electric energy meter verifying attachment - Google Patents
A kind of single-phase intelligent electric energy meter verifying attachment Download PDFInfo
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- CN204177956U CN204177956U CN201420568326.XU CN201420568326U CN204177956U CN 204177956 U CN204177956 U CN 204177956U CN 201420568326 U CN201420568326 U CN 201420568326U CN 204177956 U CN204177956 U CN 204177956U
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Abstract
The utility model discloses a kind of single-phase intelligent ammeter verifying attachment, comprise control system, control system output terminal is connected with power source, power source output terminal is connected to standard scale, table to be measured, standard scale is connected Error Calculator with the output terminal of table to be measured, the input end of control system is also connected with power consumption tester, GPS controller, encryption equipment, PC management system, and PC management system is connected with Error Calculator.PC management software is by network interface connection control system control criterion table and power source, and GPS controller receive clock signal is also wirelessly transmitted to control system, adopts RS485 communication between control system and multiple Error Calculator and power consumption tester; The utility model is efficient in time to be verified single-phase intelligent ammeter, and meanwhile, this device adopts independent modular structure, ensure that the stability of plant running.
Description
Technical field
The utility model belongs to electrical management field, is specifically related to a kind of single-phase intelligent electric energy meter verifying attachment.
Background technology
Along with expanding economy, the demand of all trades and professions to electricity is increasing, the application of intelligent electric meter is more and more extensive, but intelligent electric meter in use, and various accident all may have influence on stability and the security of intelligent electric meter, simultaneously, in use, may error in dipping be there is not in time owing to calibrating in intelligent electric meter, or due to some manual operations, intelligent electric meter metering is inaccurate, has had a strong impact on electrical management work.
Utility model content
The utility model, for the defect of single-phase intelligent ammeter itself and the potential safety hazard that in use may exist, proposes a kind of single-phase intelligent ammeter verifying attachment.
The technical scheme that the utility model adopts is as follows:
A kind of single-phase intelligent ammeter verifying attachment, comprise control system, it is characterized in that: described control system output terminal is connected with power source, described power source output terminal is connected to standard scale, table to be measured, described standard scale is connected Error Calculator with the output terminal of table to be measured, the input end of described control system is also connected with power consumption tester, GPS controller, encryption equipment, PC management system, RS485 both-way communication between described control system and power consumption tester, connected by network interface between described control system and PC management system, described PC management system is connected with Error Calculator.
Described power source produces voltage, current signal, and the magnitude of voltage of output is added to the voltage circuit of standard scale and each tested table through isolated voltage transformer, and the current value of output adopts series system to be added to standard scale and each tested table; Standard scale verify table to be measured error, measure and show the voltage, electric current, power, power factor, load impedance angle, frequency etc. of table to be measured simultaneously, to monitor the output state of power source, described power source and standard scale work all under control of the computer, described GPS controller receives gps clock and is also wirelessly sent to clock signal to control system, clock signal that what described GPS controller received have have full sized pules and time disjunction mark accurate pulse signal; The 500K time clock of control system outputting standard and the time clock of tested table are sent into Error Calculator and are carried out error calculation, and are shown by error display, and computing machine controls the carrying out of whole verification process, and process calibrating data and manage; Described power source and standard scale work all under control of the computer;
Independently RS485 tunneling traffic is adopted between described controller system and power consumption tester; Described encryption equipment ensure that the confidentiality that control system operates.
The beneficial effects of the utility model are:
The utility model is adopted, can ensure the accurately reliable and stable of operation; Meanwhile, hardware adopts multiple Error Calculator, add measuring accuracy and accuracy, reach the revision of the convention and judgement that automatically carry out detecting data.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of single-phase intelligent ammeter verifying attachment, comprise control system, it is characterized in that: described control system output terminal is connected with power source, described power source output terminal is connected to standard scale, table to be measured, described standard scale is connected Error Calculator with the output terminal of table to be measured, the input end of described control system is also connected with power consumption tester, GPS controller, encryption equipment, PC management system, RS485 both-way communication between described control system and power consumption tester, connected by network interface between described control system and PC management system, described PC management system is connected with Error Calculator.
Described power source produces voltage, current signal, and the magnitude of voltage of output is added to the voltage circuit of standard scale and each tested table through isolated voltage transformer, and the current value of output adopts series system to be added to standard scale and each table to be measured, standard scale verifies the error of table to be measured, measure simultaneously and show the voltage of table to be measured, electric current, power, power factor, load impedance angle, frequency etc., to monitor the output state of power source, described power source and standard scale work all under control of the computer, described GPS controller receives gps clock and is wirelessly sent to clock signal to control system, the 500K time clock of control system outputting standard and the time clock of tested table are sent into Error Calculator and are carried out error calculation, and shown by error display, computing machine controls the carrying out of whole verification process, and calibrating data are processed and managed, described power source and standard scale work all under control of the computer, independently RS485 tunneling traffic is adopted between described manual controller and power consumption tester and Error Calculator, clock signal that what described GPS controller received have have full sized pules and time disjunction mark accurate pulse signal, described encryption equipment ensure that the confidentiality that control system operates.
When using computing machine calibrating electric energy meter, the operation of standard scale is all managed by programmed control, does not need staff to operate.
Claims (3)
1. a single-phase intelligent ammeter verifying attachment, comprise control system, it is characterized in that: described control system output terminal is connected with power source, described power source output terminal is connected to standard scale, table to be measured, described standard scale is connected Error Calculator with the output terminal of table to be measured, the input end of described control system is also connected with power consumption tester, GPS controller, encryption equipment, PC management system, and described PC management system is connected with Error Calculator.
2. a kind of single-phase intelligent ammeter verifying attachment according to claim 1, it is characterized in that: RS485 both-way communication between described control system and power consumption tester, connected by network interface between described control system and PC management system, described GPS controller receives GPS clock signal and is wirelessly sent to control system.
3. a kind of single-phase intelligent ammeter verifying attachment according to claim 2, is characterized in that: described GPS clock signal comprise full sized pules and time disjunction mark accurate pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568326.XU CN204177956U (en) | 2014-09-29 | 2014-09-29 | A kind of single-phase intelligent electric energy meter verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568326.XU CN204177956U (en) | 2014-09-29 | 2014-09-29 | A kind of single-phase intelligent electric energy meter verifying attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204177956U true CN204177956U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568326.XU Expired - Fee Related CN204177956U (en) | 2014-09-29 | 2014-09-29 | A kind of single-phase intelligent electric energy meter verifying attachment |
Country Status (1)
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| CN (1) | CN204177956U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487042A (en) * | 2015-12-28 | 2016-04-13 | 云南电网有限责任公司电力科学研究院 | Electric energy metering device function detection system |
| CN105938186A (en) * | 2015-03-04 | 2016-09-14 | 西门子工业公司 | Apparatus and method for field testing electrical panel meter system |
| CN106501762A (en) * | 2016-12-30 | 2017-03-15 | 国网山东省电力公司电力科学研究院 | The device and method of through type or jaw type calibrating is carried out to on-site calibrator |
| CN107907850A (en) * | 2017-11-02 | 2018-04-13 | 华立科技股份有限公司 | Three-phase electric energy meter clock alignment and error calibrating method |
| CN112147566A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Online repair tool and method for field inspection errors of electric energy metering device |
| CN112881968A (en) * | 2021-01-12 | 2021-06-01 | 国网上海市电力公司 | Ammeter calibrating device and method |
-
2014
- 2014-09-29 CN CN201420568326.XU patent/CN204177956U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938186A (en) * | 2015-03-04 | 2016-09-14 | 西门子工业公司 | Apparatus and method for field testing electrical panel meter system |
| CN105938186B (en) * | 2015-03-04 | 2020-01-14 | 西门子工业公司 | Apparatus and method for field testing of electrical panel instrumentation systems |
| CN105487042A (en) * | 2015-12-28 | 2016-04-13 | 云南电网有限责任公司电力科学研究院 | Electric energy metering device function detection system |
| CN106501762A (en) * | 2016-12-30 | 2017-03-15 | 国网山东省电力公司电力科学研究院 | The device and method of through type or jaw type calibrating is carried out to on-site calibrator |
| CN106501762B (en) * | 2016-12-30 | 2019-04-09 | 国网山东省电力公司电力科学研究院 | The device and method of through type or jaw type calibrating is carried out to on-site calibrator |
| CN107907850A (en) * | 2017-11-02 | 2018-04-13 | 华立科技股份有限公司 | Three-phase electric energy meter clock alignment and error calibrating method |
| CN107907850B (en) * | 2017-11-02 | 2020-11-17 | 华立科技股份有限公司 | Three-phase electric energy meter clock calibration and error calibration method |
| CN112147566A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Online repair tool and method for field inspection errors of electric energy metering device |
| CN112881968A (en) * | 2021-01-12 | 2021-06-01 | 国网上海市电力公司 | Ammeter calibrating device and method |
| CN112881968B (en) * | 2021-01-12 | 2023-03-07 | 国网上海市电力公司 | Ammeter calibrating device and method |
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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 |
Granted publication date: 20150225 Termination date: 20210929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |