CN206818859U - A kind of high-voltage electric energy meter error checking arrangement - Google Patents
A kind of high-voltage electric energy meter error checking arrangement Download PDFInfo
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- CN206818859U CN206818859U CN201720629097.1U CN201720629097U CN206818859U CN 206818859 U CN206818859 U CN 206818859U CN 201720629097 U CN201720629097 U CN 201720629097U CN 206818859 U CN206818859 U CN 206818859U
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
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- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 238000012795 verification Methods 0.000 claims abstract description 6
- 230000006870 function Effects 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a kind of high-voltage electric energy meter error checking arrangement, including high-voltage electric energy meter, tested pulse collection unit, standard scale, calibration pulse generation unit, Error Calculator and error checking system, the error checking system includes master controller, display module and gsm communication module, and the master controller is connected with pulse input interface, verification pulse output end mouth and communication interface；The tested pulse collection unit includes optical fiber, photoelectric conversion module and electric pulse capture module；The calibration pulse generation unit includes voltage/current process circuit, A/D convertor circuit, sample circuit and computation chip, the voltage/current process circuit includes current transformer and resitstance voltage divider, the output end of the high-voltage electric energy meter and standard electric energy meter is connected with Error Calculator, and the output end of the Error Calculator is connected with master controller.The utility model realizes the accurate verification to high-voltage electric energy meter, has reached the error checking automatically to high-voltage electric energy meter.
Description
Technical field
It the utility model is related to a kind of high-voltage electric energy meter error checking arrangement.
Background technology
Core of the electric energy metrical as electric power enterprise operation, the value of electric energy are embodied by metering device.And electric energy
The accuracy of metering device metering, directly influences confession, the economic interests of electricity consumption both sides.Therefore, power supply enterprise is universal at this stage
The cycle field-checking to electric power meter error in dipping is carried out.Electric energy meter error calibration equipment generally include be used for give by
Try electric energy meter provide rated operational voltage, rated operational current standard source, for measurement standard source power output standard
Table, the collector for gathering light pulse signal caused by tested electric energy meter, and it is tested according to the calculating of the light pulse number of collection
The device of the error of electric energy meter.Because electric energy meter error producing cause is many, such as：Electric energy meter light running, secondary voltage drop be excessive,
Electric energy meter inclination, wiring error etc., and whether relative error magnitudes can only illustrate electric energy meter accurate measurement, existing field-checking system
The system initial data that record electric energy meter is not run, to instructing electric energy meter operating maintenance to lack actual directive significance.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of high-voltage electric energy meter error checking dress
Put.
Technical scheme is used by the utility model：
A kind of high-voltage electric energy meter error checking arrangement, including high-voltage electric energy meter, tested pulse collection unit, standard scale, mark
Quasi- pulse generation unit, Error Calculator and error checking system, the error checking system include master controller, display module
And gsm communication module, the display module and gsm communication module are connected with master controller respectively, the master controller is connected with
Pulse input interface, verification pulse output end mouth and communication interface, communication interface are used for master controller and PC control system
System communication connection；Tested pulse collection unit includes optical fiber, photoelectric conversion module and electric pulse capture module, and the one of the optical fiber
End is connected with high-voltage electric energy meter, and the other end is connected with photoelectric conversion module, the output end and electric pulse of the photoelectric conversion module
Capture module is connected, and the output end of the electric pulse capture module is connected with pulse input interface；The calibration pulse generation is single
Member includes voltage/current process circuit, A/D convertor circuit, sample circuit and computation chip, the voltage/current process circuit bag
Current transformer and resitstance voltage divider are included, to gather three-phase voltage signal and current signal, the voltage/current process circuit
It is connected by A/D convertor circuit with the input of sample circuit, the output end of the sample circuit and the input of electric energy computation chip
End be connected, the output end of the electric energy computation chip is connected with master controller, the high-voltage electric energy meter and standard electric energy meter it is defeated
Go out end with Error Calculator to be connected, the output end of the Error Calculator is connected with master controller.
Further, the master controller is also associated with printer and memory.
Further, the electric energy computation chip uses the electric energy computation chip of RN8302 models.
Further, the input of the master controller is also associated with power consumption tester.
Further, RS485 serial ports both-way communications are passed through between the master controller and power consumption tester.
Further, the master controller is also associated with function button.
Compared with prior art, the beneficial effects of the utility model are：
The utility model gathers electrical energy impulse signals to be detected using tested pulse collection unit, is given birth to using calibration pulse
Standard electrical energy impulse signals are produced into unit, electrical energy impulse signals to be detected and calibration pulse are given birth to using error checking system
Contrasted into unit, realize the accurate verification to high-voltage electric energy meter, reached the error checking automatically to high-voltage electric energy meter；Adopt
With collecting fiber and the light pulse signal of transferring high voltage electric energy meter, light pulse signal is converted into error with reference to photoelectric conversion module
The electric impulse signal of check system identification, avoids electromagnetic interference, adds measurement accuracy and the degree of accuracy, ensure that error checking
The normal work of device.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Wherein, 1, high-voltage electric energy meter, 2, tested pulse collection unit, 3, standard scale, 4, calibration pulse generation unit, 5, by mistake
Poor calculator, 6, error checking system, 7, master controller, 8, display module, 9, gsm communication module, 10, pulse input interface,
11st, pulse output end mouth is verified, 12, communication interface, 13, upper computer control system, 14, printer, 15, memory, 16, power consumption
Tester, 17, function button, 18, photoelectric conversion module, 19, electric pulse capture module, 20, voltage/current process circuit, 21,
A/D convertor circuit, 22, sample circuit, 23, computation chip, 24, current transformer, 25, resitstance voltage divider.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of high-voltage electric energy meter error checking arrangement, including high-voltage electric energy meter 1, tested pulse collection unit
2nd, standard scale 3, calibration pulse generation unit 4, Error Calculator 5 and error checking system 6.
The error checking system 6 includes master controller 7, display module 8 and gsm communication module 9, the display module 8
Be connected respectively with master controller 7 with gsm communication module 9, the acquiring touch screen of display module 8, for show Real-time Error with
And receive the checking parameter of verifier input；The gsm communication module 9 is used to send error letter to relevant departments administrative staff
Breath；The master controller 7 is connected with pulse input interface 10, verification pulse output end mouth 11 and communication interface 12, communication interface
For master controller and upper computer control system 13 to be communicated to connect, the master controller is also associated with printer 14 and memory
15, the input of master controller is also associated with power consumption tester 16, passes through between the master controller and power consumption tester 16
RS485 serial ports both-way communications；The master controller is also associated with function button 17.
The tested pulse collection unit 2 includes optical fiber, photoelectric conversion module 18 and electric pulse capture module 19, the light
Fine one end is connected with high-voltage electric energy meter 1, and the other end is connected with photoelectric conversion module 18, by collecting fiber and transmits to be measured
Light pulse signal to be measured on high pressure ammeter, light pulse signal is converted to by suitable electric pulse by photoelectric conversion module and catches mould
The electrical energy impulse signals to be measured that block receives, electrical energy impulse signals to be measured are transmitted into electric pulse capture module 19, electric pulse is caught
After module 19 is caught to electrical energy impulse signals to be measured processing, the electrical energy impulse signals are transmitted to pulse input interface, master controller 7
The electrical energy impulse signals to be measured of tested high-voltage electric energy meter are obtained by pulse input interface.
The calibration pulse generation unit 4 includes voltage/current process circuit 20, A/D convertor circuit 21, sample circuit 22
With computation chip 23, the voltage/current process circuit 20 includes current transformer 24 and resitstance voltage divider 25, current transformer
24 are used to gather three-phase current signal and input in A/D convertor circuit 21, and resitstance voltage divider 25 is used to gather three-phase voltage signal simultaneously
Input in A/D convertor circuit 21, after carrying out analog-to-digital conversion by A/D convertor circuit 21, be transported in sample circuit 22, the sampling
The output end of circuit is connected with the input of electric energy computation chip 23, and the electric energy computation chip 23 uses the electricity of RN8302 models
Energy computation chip, electric energy computation chip 23 carry out process for producing standard electrical energy impulse signals, institute to voltage signal and current signal
State electric energy computation chip 23 standard electrical energy impulse signals are transferred in master controller 7, master controller 7 by pulse signal to be measured with
Standard electrical energy impulse signals carry out contrast generation error amount, and error amount is carried out into keeping records.The high-voltage electric energy meter 1 and mark
The output end of quasi- table 3 is connected with Error Calculator, and the output end of the Error Calculator is connected with master controller.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (6)
1. a kind of high-voltage electric energy meter error checking arrangement, it is characterized in that, including high-voltage electric energy meter, tested pulse collection unit, mark
Quasi- table, calibration pulse generation unit, Error Calculator and error checking system, the error checking system include master controller,
Display module and gsm communication module, the display module and gsm communication module are connected with master controller respectively, the main control
Device is connected with pulse input interface, verification pulse output end mouth and communication interface, communication interface be used for by master controller with it is upper
Machine control system communicates to connect；Tested pulse collection unit includes optical fiber, photoelectric conversion module and electric pulse capture module, described
One end of optical fiber is connected with high-voltage electric energy meter, and the other end is connected with photoelectric conversion module, the output end of the photoelectric conversion module
It is connected with electric pulse capture module, the output end of the electric pulse capture module is connected with pulse input interface；The standard arteries and veins
Rushing generation unit includes voltage/current process circuit, A/D convertor circuit, sample circuit and computation chip, at the voltage/current
Reason circuit includes current transformer and resitstance voltage divider, to gather three-phase voltage signal and current signal, the voltage/current
Process circuit is connected by A/D convertor circuit with the input of sample circuit, output end and the electric energy metrical core of the sample circuit
The input of piece is connected, and the output end of the electric energy computation chip is connected with master controller, the high-voltage electric energy meter and standard electric
The output end of energy table is connected with Error Calculator, and the output end of the Error Calculator is connected with master controller.
2. a kind of high-voltage electric energy meter error checking arrangement according to claim 1, it is characterized in that, the master controller also connects
It is connected to printer and memory.
3. a kind of high-voltage electric energy meter error checking arrangement according to claim 1, it is characterized in that, the electric energy computation chip
Using the electric energy computation chip of RN8302 models.
4. a kind of high-voltage electric energy meter error checking arrangement according to claim 1, it is characterized in that, the master controller it is defeated
Enter end and be also associated with power consumption tester.
5. a kind of high-voltage electric energy meter error checking arrangement according to claim 1, it is characterized in that, the master controller and work(
Pass through RS485 serial ports both-way communications between consumption tester.
6. a kind of high-voltage electric energy meter error checking arrangement according to claim 1, it is characterized in that, the master controller also connects
It is connected to function button.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629097.1U CN206818859U (en) | 2017-06-01 | 2017-06-01 | A kind of high-voltage electric energy meter error checking arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720629097.1U CN206818859U (en) | 2017-06-01 | 2017-06-01 | A kind of high-voltage electric energy meter error checking arrangement |
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| CN206818859U true CN206818859U (en) | 2017-12-29 |
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| CN201720629097.1U Active CN206818859U (en) | 2017-06-01 | 2017-06-01 | A kind of high-voltage electric energy meter error checking arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683015A (en) * | 2019-01-15 | 2019-04-26 | 广州供电局有限公司 | Intelligent electric energy meter |
| CN110174574A (en) * | 2019-06-20 | 2019-08-27 | 江苏方天电力技术有限公司 | Integrated protection and monitoring device electrical measurement calibrating installation and electric flux calibration method |
| CN111537942A (en) * | 2020-04-23 | 2020-08-14 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Detection system suitable for real-time calibration of electric energy meter |
| CN113050021A (en) * | 2021-06-01 | 2021-06-29 | 杭州炬华科技股份有限公司 | System and method for calibrating metering error and daily timing error based on same LED lamp |
| CN113985343A (en) * | 2021-12-30 | 2022-01-28 | 南京市计量监督检测院 | Online sampling inspection device for electric energy meter and application method thereof |
| CN117907924A (en) * | 2024-01-24 | 2024-04-19 | 国网山西省电力公司阳泉供电公司 | Wide area metering device with self-calibration function and measurement method thereof |
-
2017
- 2017-06-01 CN CN201720629097.1U patent/CN206818859U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683015A (en) * | 2019-01-15 | 2019-04-26 | 广州供电局有限公司 | Intelligent electric energy meter |
| CN110174574A (en) * | 2019-06-20 | 2019-08-27 | 江苏方天电力技术有限公司 | Integrated protection and monitoring device electrical measurement calibrating installation and electric flux calibration method |
| CN111537942A (en) * | 2020-04-23 | 2020-08-14 | 中国大唐集团科学技术研究院有限公司西北电力试验研究院 | Detection system suitable for real-time calibration of electric energy meter |
| CN113050021A (en) * | 2021-06-01 | 2021-06-29 | 杭州炬华科技股份有限公司 | System and method for calibrating metering error and daily timing error based on same LED lamp |
| CN113050021B (en) * | 2021-06-01 | 2021-08-17 | 杭州炬华科技股份有限公司 | System and method for calibrating metering error and daily timing error based on same LED lamp |
| CN113985343A (en) * | 2021-12-30 | 2022-01-28 | 南京市计量监督检测院 | Online sampling inspection device for electric energy meter and application method thereof |
| CN113985343B (en) * | 2021-12-30 | 2022-03-22 | 南京市计量监督检测院 | Online sampling inspection device for electric energy meter and application method thereof |
| CN117907924A (en) * | 2024-01-24 | 2024-04-19 | 国网山西省电力公司阳泉供电公司 | Wide area metering device with self-calibration function and measurement method thereof |
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